CN106194029B - Rock burst drilling rig and rock breaking method based on booster - Google Patents
Rock burst drilling rig and rock breaking method based on booster Download PDFInfo
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- CN106194029B CN106194029B CN201610847198.6A CN201610847198A CN106194029B CN 106194029 B CN106194029 B CN 106194029B CN 201610847198 A CN201610847198 A CN 201610847198A CN 106194029 B CN106194029 B CN 106194029B
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- 238000005553 drilling Methods 0.000 title claims abstract description 125
- 239000011435 rock Substances 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000012530 fluid Substances 0.000 claims description 48
- 230000006835 compression Effects 0.000 claims description 20
- 238000007906 compression Methods 0.000 claims description 20
- 238000003860 storage Methods 0.000 claims description 14
- 239000007788 liquid Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 238000002347 injection Methods 0.000 abstract description 9
- 239000007924 injection Substances 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 7
- 230000001939 inductive effect Effects 0.000 abstract 1
- 241001074085 Scophthalmus aquosus Species 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B7/00—Special methods or apparatus for drilling
- E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention relates to drilling engineering technology, a kind of rock burst drilling rig based on booster is provided, including pressurizer shell and upper connection, there are normal pressure pipe and high-voltage tube in pressurizer shell, in the upper valve block of setting in pressurizer shell, lower disc and actuator, first through hole is vertically arranged with upper valve block, the second through hole and third through-hole are provided with lower disc, piston and piston rod are additionally provided with pressurizer shell, first chamber is formed between piston and lower disc, second chamber is formed between piston and pressurizer shell, the 3rd chamber is formed between piston rod high-voltage tube, and in being provided with the first control valve in high-voltage tube, 3rd chamber is connected by the second control valve with the outside of pressurizer shell；A kind of rock breaking method, including above-mentioned rock burst drilling rig are also provided.Present invention periodicity injection water at high-voltage tube is bombarded and hits rock, and efficiency of breaking rock is improved by way of inducing rock burst, can reach the purpose of high speed drilling, and ensure the reliability and service life of drill bit.
Description
Technical field
The present invention relates to drilling engineering technology in petroleum natural gas exploration, more particularly to a kind of rock based on booster
Quick-fried drilling rig and rock breaking method.
Background technology
Drilling engineering accounts for more than the 50% of oil and gas development cost, and investment is big and risk is high, and it is to reduce to survey to improve drilling efficiency
The optimal path of development cost is visited, is also the important goal that oily company, drilling contractor and technical service company are always pursued.Closely
2 years, international oil price was greatly lowered, and competition is also increasingly fierce, oil company only more focus on efficient drilling well, cost efficiency,
Possess core technology, competitive advantage could be obtained, tide over " severe winter ".Obviously, it is current oil to improve drilling speed, reduce drilling cost
One of technology that engineering field is badly in need of.
At present, oil and gas well drilling method mainly has：Rotary drilling, rotating drilling and under balance pressure drilling；Other brills
Well method, such as laser drill, plasma drilling well and superhigh pressure jetting boring method are also in the exploratory development stage.With depth
Well, ultradeep well, easy inclined shaft, hard formation, horizontal well and the shared ratio in oil drilling of extended reach well are increasing, in deep-well
The hard formation and firm hard formation that run into are using conventional rotary drilling method rock breaking efficiency is poor, drilling efficiency is low, the well in deep-well
Oblique problem also becomes increasingly conspicuous；In horizontal well and extended reach well drilling, with the increase of horizontal displacement, the pressurization of horizontal well is more tired
Difficulty, the damage of drilling tool is also even more serious.
The utility model patent of China Patent No. CN203742436U discloses a kind of energetic disturbance broken rock drilling tool, and its is specific
Scheme includes：In outer barrel, outer barrel passes through spline connection to mandrel with mandrel；Turbine sleeve in the outer barrel, its upper end with lead
Stream device is linked by screw thread, and rubber seal is provided with the annular groove in the middle part of it, and its lower end passes through screw thread with the upper end of mandrel
Connection；Turbine is located at turbine sleeve inner, and turbine is fixed in the shaft core of air deflector, and lower end and the rotating eccentricity valve block of turbine lead to
Cross threaded connection；The lower surface of rotating eccentricity valve block is in close contact with the upper surface of fixed bias valve block, fixed bias valve block with
The upper end of mandrel is connected through a screw thread.In drilling process, drilling fluid rotates turbine, then is revolved by turbine drives moving valve plate
Turn, make the valid circulation area cyclically-varying between moving valve plate and fixed valve block, so as to produce Water Hammer, form periodically soft
With change dynamic loading, with drilling tool deadweight produce dead load, collective effect in rock, realize high stress disturb broken rock.
The patent of China Patent No. CN104594801A discloses a kind of energetic disturbance broken rock on the basis of above-mentioned patent
Drilling tool, its concrete scheme includes：The disturbance broken rock drilling tool includes anti-lost assembly, motor assembly, driving-shaft assembly and disturbance assembly,
It is to be converted to gear using existing screw drive shaft housing and mandrel relative motion to rotate, finally realizes that disturbance assembly produces week
Phase property Water Hammer, and the pressure of the drill is collectively forming with the gravity of top BHA, realize that high stress disturbs broken rock, improve power auger
Speed.
High stress+energetic disturbance rock breaking method is introduced into oil drilling, is that one kind is belonged in itself using deep formation rock
Storage bodies and rock belongs to discontinuous phase, the method that Crack Extension or rock burst occur is lured by outside machinery, is a kind of different
In the very promising new method of conventional drilling broken rock.Technology disclosed in two patents announced at present is all defeated by drilling tool
Go out mechanicals efforts, in drilling process, drill bit is not only subject to the pressure of the drill that drilling tool deadweight in top is provided, and is also produced by tool interior
Raw periodic disturbance power, its force action changes the similar sinusoidal rule of the pressure of the drill in drill bit, disturbs rock, makes the rock cycle
Property unloading, trigger rock burst, so as to improve efficiency of breaking rock.But both mode drilling tools are output mechanicals efforts, rock holds
Damage is easily produced to drilling tool, and then influences the service life of drilling tool.
The content of the invention
It is an object of the invention to provide a kind of rock burst drilling rig based on booster, it is intended to for solving existing brill
The drill bit efficiency of breaking rock of well device is low, the shorter problem of service life.
What the present invention was realized in：
The embodiment of the present invention provides a kind of rock burst drilling rig based on booster, including the pressurizer shell being vertically arranged
And install in the upper connection of the pressurizer shell upper port, it is provided with the pressurizer shell and the upper connection
Connect and extend to the normal pressure pipe of the pressurizer shell lower end and extend downwardly and the lower end by the pressurizer shell is led
The high-voltage tube for going out, in be horizontally disposed with the pressurizer shell have upper valve block, positioned at the upper valve block lower section and with the upper valve
The lower disc of piece laminating and the actuator that the upper valve block is rotated about the axis can be ordered about, the is vertically arranged with the upper valve block
One through hole, is provided with the second through hole and third through-hole on the lower disc, second through hole and the third through-hole are equal
Coaxially isometrical with the first through hole, the pressurizer shell is provided with piston and is slideably positioned in lower disc lower section
Piston rod in the high-voltage tube, the upper end of the piston encloses to be formed and second through hole with the lower surface of the lower disc
Enclose to be formed and the third through-hole between the inwall of the first chamber of connection, the lower end of the piston and the pressurizer shell
The second chamber of connection, encloses to form the 3rd chamber between the lower end of the piston rod and the high-voltage tube, and in the high pressure
The first control valve that controllable 3rd chamber is connected with the lower end of the pressurizer shell, the 3rd chamber are provided with pipe
Room is connected by the second control valve with the outside of the pressurizer shell.
Further, the outer edge surface in the upper valve block is provided with the first groove towards the pressurizer shell inwall,
The pressurizer shell inner side is provided with the first pod apertures, the second pod apertures and the 3rd pod apertures, first pod apertures one
End is connected with the first chamber, and the other end is connected by first groove with the 3rd pod apertures, second water conservancy diversion
The one end in hole is connected with the second chamber, and the other end is connected by first groove with the 3rd pod apertures, and described
Three pod apertures extend to the outside of the pressurizer shell, and first pod apertures are corresponding with the position of second through hole,
Second pod apertures are corresponding with the position of the third through-hole.
Further, in being provided with the connection first chamber and first pod apertures on the outer edge surface of the lower disc
The second groove, the inwall correspondence described second that the wherein Single port of first pod apertures extends to the pressurizer shell is recessed
The position of groove.
Further, in compression spring is provided with the second chamber, the compression spring is sheathed on the piston rod
On.
Further, the actuator is the turbine being arranged in the pressurizer shell, the output shaft of the turbine with
It is connected by TC bearing groups between the rotating shaft of the upper valve block, the TC bearing groups are provided with leading of vertically running through
Fluid apertures.
Further, liquid storage cylinder is formed between the TC bearing groups and the upper valve block, the normal pressure pipe is communicated to described
Liquid storage cylinder.
Further, the port of the 3rd chamber is provided with least one high pressure nozzle in the high-voltage tube.
Further, described first the direction list that valve is the lower end along the 3rd chamber to the pressurizer shell is controlled
To the check valve of conducting, described second control valve be along the unidirectional of the outer lateral described 3rd chamber conducting of the pressurizer shell
Valve.
The embodiment of the present invention also provides a kind of rock breaking method, using the above-mentioned rock burst drilling rig based on booster, will
The rock burst drilling rig based on booster is placed in underground and spuds in, by surface mud pump to the rock burst based on booster
Conveying drilling fluid in drilling rig.
Further, the brill that the actuator is imported in the rock burst drilling rig based on booster by the slush pump
The hydraulic energy of well liquid orders about work.
The invention has the advantages that：
In rock burst drilling rig of the invention, drilling fluid is imported in pressurizer shell through upper connection, and work as actuator
Valve block rotation is ordered about, during so that first through hole being turned on the second through hole, drilling fluid enters in first chamber so that first chamber
Pressure of the pressure more than second chamber, and then order about piston and moved down vertically with piston rod, piston rod the 3rd chamber of compression, and then
So that the pressure increase in the 3rd chamber, forces the drilling fluid in it by the first control valve by high pressure pipe inspection, water cannon is formed
Disturbance immediately below bombardment drill bit is in heavily stressed rock, induces rock burst, and causes the when actuator orders about upper valve block and rotates
When one through hole is connected with third through-hole, then drilling fluid enters in second chamber through first through hole and third through-hole, and now second
Pressure in chamber more than the pressure in first chamber, and then can order about piston and piston rod it is vertical on move to original state,
Certainly the drilling fluid now in first chamber should be exported, and the 3rd chamber can be by pressurizer shell outside by the second control valve
Drilling fluid is imported, for injection next time.In whole process, upper valve block is controlled to rotate by actuator, and then can be by height
Periodicity injection water is bombarded and hits rock at pressure pipe, constantly induces rock burst, the great number of elastic stored using rock burst release rock interior
Strain energy, improves efficiency of breaking rock, so as to reach the purpose of high speed drilling, simultaneously as rock burst release rock mass stress, splits inside it
Line extends, and intensity significantly reduces, and reduces requirement of the broken rock to drill bit material and reduce the drill bit in drilling process acting on
The pressure of the drill on stratum, on the one hand can effectively improve drilling speed, and then improve drilling efficiency, and reduce broken rock difficulty and drilling well energy consumption,
On the other hand, drill bit can be protected, the reliability and service life of bit operation is effectively improved.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation that the rock burst drilling rig based on booster provided in an embodiment of the present invention coordinates with drill bit
Figure；
Fig. 2 is the structural representation of the pressurizer shell of the rock burst drilling rig based on booster of Fig. 1；
Fig. 3 is horizontal cross-section of the pressurizer shell of the rock burst drilling rig based on booster of Fig. 1 at first chamber
Figure；
Fig. 4 is horizontal cross-section of the pressurizer shell of the rock burst drilling rig based on booster of Fig. 1 at the 3rd chamber
Figure；
Fig. 5 is the structural representation of the upper valve block of the rock burst drilling rig based on booster of Fig. 1；
Fig. 6 is the structural representation of the lower disc of the rock burst drilling rig based on booster of Fig. 1；
Fig. 7 shows for the structure when first through hole of the rock burst drilling rig based on booster of Fig. 1 is connected with the second through hole
It is intended to；
Fig. 8 is the top view of valve block position on Fig. 7；
Fig. 9 shows for the structure when first through hole of the rock burst drilling rig based on booster of Fig. 1 is connected with third through-hole
It is intended to；
Figure 10 is the top view of valve block position on Fig. 9.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
Referring to Fig. 1-Figure 10, the embodiment of the present invention provides a kind of rock burst drilling rig 1 based on booster, generally and drill bit
2 use cooperatively, and to play the purpose of drilling well, including the pressurizer shell 11 that is vertically arranged and install in pressurizer shell 11
The upper connection 12 of port, using being threadedly coupled between usual upper connection 12 and the upper port of pressurizer shell 11, dismounting is compared
More convenient, wherein pressurizer shell 11 is predominantly located at underground when in use, and upper connection 12 is then mainly used for and ground
Slush pump is connected, and by slush pump to drilling fluid is imported in pressurizer shell 11, is provided with pressurizer shell 11 and is connect with top
First 12 connection and extend to the normal pressure pipe 111 of the lower end of pressurizer shell 11 and extend downwardly and by the lower end of pressurizer shell 11
Derived high-voltage tube 112, the drilling fluid entered in pressurizer shell 11 by upper connection 12, the frequent normal pressure of pressure pipe 111 of a part
Derive to the lower end of pressurizer shell 11, while the supercharging then in pressurizer shell 11 of drilling fluid at high-voltage tube 112 is made
Lower high-pressure injection is used, generally above-mentioned drill bit 2 is threadedly connected to the lower end of pressurizer shell 11, the drilling fluid of high-pressure injection can be with
Rock immediately below bombardment drill bit 2.Structure in refinement pressurizer shell 11, being horizontally disposed with pressurizer shell 11 has upper valve
Piece 13, positioned at the lower section of upper valve block 13 and the lower disc 14 fitted with upper valve block 13 and can order about what upper valve block 13 was rotated about the axis
Actuator 15, section of the upper valve block 13 with lower disc 14 with the correspondence position of pressurizer shell 11 is similar, is erected on upper valve block 13
Straight to be provided with first through hole 131, first through hole 131 runs through upper valve block 13, the second through hole 141 is provided with lower disc 14 vertically
And third through-hole 142, the second through hole 141 vertically run through lower disc 14, and third through-hole 142 then be in L-shaped, its by
The upper surface of lower disc 14 extends straight down, then extends horizontally to the outer edge surface of lower disc 14, the second through hole 141 and
Three through holes 142 are coaxial with first through hole 131 isometrical, i.e., when actuator 15 orders about upper valve block 13 to be rotated, can cause first
Through hole 131 is located along the same line with the second through hole 141, turns between the two, and rotatable certain angle so that first through hole
131 are located along the same line with the part-structure of third through-hole 142, and first through hole 131 is connected with third through-hole 142, is increased in addition
The piston rod 161 that depressor housing 11 is provided with piston 16 and is slideably positioned in high-voltage tube 112 in the lower section of lower disc 14, it is living
Plug 16 can be slided along the inwall of pressurizer shell 11, and install the inwall of the scientific research high-voltage tube 112 of piston rod 161 in the lower section of piston 16
Slide, the space below the corresponding lower disc 14 of pressurizer shell 11 be divided into by three parts by piston 16 and piston rod 161,
Wherein enclose to form first chamber 17 between the lower surface of the upper end of piston 16 and lower disc 14, the first chamber 17 and second is led to
Hole 141 connects, the lower end of piston 16, the inwall of pressurizer shell 11 and high-voltage tube 112 is self-built encloses to form second chamber 18, and
Two chambers 18 are connected with third through-hole 142, and then enclose to form between the lower end of piston rod 161 and the inwall of high-voltage tube 112
Three chambers 19, are provided with the first control that controllable 3rd chamber 19 is connected with the lower end of pressurizer shell 11 in high-voltage tube 112
Valve processed 191, and the 3rd chamber 19 controls valve 192 to be connected with the outside of pressurizer shell 11 by second.
In the present embodiment, drilling fluid is imported in pressurizer shell 11 by upper connection 12, a portion drilling fluid warp
Normal pressure pipe 111 is directly directed at the lower end of pressurizer shell 11, and another part is then directed at the upper surface of valve block 13, and is driving
Under part 15 is acted on, upper valve block 13 rotates relative to lower disc 14, after first through hole 131 is connected with the second through hole 141, positioned at upper valve
Drilling fluid on piece 13 enters in first chamber 17 through 131 and second through hole of first through hole 141, pressure increase in first chamber 17
And more than second chamber 18, and then piston 16 can be ordered about and piston rod 161 is moved down vertically, piston rod 161 compresses the 3rd chamber
Room 19, and generally in drilling well, the outside of pressurizer shell 11 is full of drilling fluid, and the drilling fluid can enter through the second control valve 192
Enter in the 3rd chamber 19, when the compression of the 3rd chamber 19 forms high pressure, its interior drilling fluid can only be through the first control valve 191 by high pressure
Pipe 112 sprays, and forms the disturbance immediately below water cannon bombardment drill bit 2 and is in heavily stressed rock, induces rock burst；Continue to rotate upper valve
Piece 13, first through hole 131 is connected with third through-hole 142, and the drilling fluid on upper valve block 13 is through first through hole 131 and third through-hole
142 enter second chambers 18 in, in second chamber 18 pressure increase and more than first chamber 17, and then can drive piston 16 with
And piston rod 161 vertically on move to original state, now the part drilling fluid in first chamber 17 drains into the outside of pressurizer shell 11,
The pressure of 3rd chamber 19 reduction simultaneously, outside drilling fluid is supplemented in the 3rd chamber 19 through the second control valve 192, for next time
Injection.In the above-mentioned course of work, the periodic compression of the 3rd chamber 19 in rock burst drilling rig 1 resets, and high-voltage tube 112 can
With periodicity jet drilling well liquid, and then continuation water cannon bombardment rock, rock burst is constantly induced, deposited using rock burst release rock interior
The great number of elastic strain energy of storage, improves efficiency of breaking rock, so as to reach the purpose of high speed drilling, simultaneously as rock burst release rock mass
Stress, its propagation of internal cracks, intensity significantly reduces, and reduces requirement of the broken rock to the material of drill bit 2 and reduces in drilling well
Drill bit 2 acts on the pressure of the drill on stratum in journey, on the one hand can effectively improve drilling speed, and then improves drilling efficiency, and reduces broken rock
Difficulty and drilling well energy consumption, on the other hand, can protect drill bit 2, effectively improve the reliability and service life of the work of drill bit 2.For
The first control control of valve 191 and second valve 192 can use check valve, and the first control corresponding check valve of valve 191 along the 3rd
Chamber 19 to outside direction one-way conduction, and second control the corresponding check valve of valve 192 along outside to the side of the 3rd chamber 19
To one-way conduction, to this during the 3rd chamber 19 compresses, its interior drilling fluid is only sprayed by high-voltage tube 112, and the
During three chamber 19 resets, the drilling fluid in outside can be then automatically replenished to the 3rd chamber 19 through the second control valve 192, nothing
Both need to be carried out with independent circuit control, it is very convenient.Generally it is provided with away from the port of the 3rd chamber 19 in high-voltage tube 112
At least one high pressure nozzle 113, can cause that the water cannon that high-voltage tube 112 sprays has stronger bombardment effect to rock, typically
Water cannon after injection is supercharged to more than 20MPa.High pressure nozzle 113 can be provided with multiple, and each high pressure nozzle 113 direction
Stagger, the drilling fluid in high-voltage tube 112 has larger spray regime.
Referring to Fig. 7-Figure 10, optimize above-described embodiment, be provided with towards pressurizer shell 11 in the outer edge surface of upper valve block 13
First groove 132 of inwall, the inner side of pressurizer shell 11 is provided with the first pod apertures 114, the second pod apertures 115 and the 3rd and leads
Discharge orifice 116, the Single port of the first pod apertures 114 is connected with first chamber 17, and another port is led by the first groove 132 with the 3rd
Discharge orifice 116 is connected, and the Single port of the second pod apertures 115 is connected with second chamber 18, another port also by the first groove 132 with
3rd pod apertures 116 are connected, and the 3rd pod apertures 116 extend to the outside of pressurizer shell 11, and the first pod apertures 114 and second
The position correspondence of through hole 141, and the second pod apertures 115 are corresponding with the position of third through-hole 142.In the present embodiment, operationally,
Drilling fluid is retained in first chamber 17 and second chamber 18, and first through hole 131 and second has been caused when upper valve block 13 rotates
When through hole 141 is connected, the first groove 132 connection the 3rd pod apertures 116 and the second pod apertures 115, the first pod apertures 114 are by upper valve
The outer edge surface of piece 13 is blocked, and drilling fluid enters in first chamber 17 through 131 and second through hole of first through hole 141, first chamber 17
Pressure moves down compression second chamber 18, second chamber vertically more than the pressure in second chamber 18, piston 16 and piston rod 161
Drilling fluid in 18 flow to pressurizer shell 11 through the second pod apertures 115, the first groove 132 and the 3rd pod apertures 116 successively
Outside, and when upper valve block 13 continues to rotate and connected with the 3rd pod apertures 116 to the first pod apertures 114, the first groove 132 is connected
Second pod apertures 115 and the 3rd pod apertures 116, the first pod apertures 114 are blocked by the outer edge surface of upper valve block 13, and drilling fluid is logical through first
Hole 131 and third through-hole 142 are flow in second chamber 18, and piston 16 and piston rod are ordered about in the pressure rise of second chamber 18
161 upper shiftings vertically, now the drilling fluid in first chamber 17 is led through the first pod apertures 114, the first groove 132 and the 3rd successively
Discharge orifice 116 drains into outside.To this by above-mentioned each mechanical structure, can cause in pressurizer shell 11 in dynamic equilibrium shape
State, the requirement to each part in it is not very high, and cost of manufacture need not be controlled individually than relatively low, easy to operate.
Referring to Fig. 1, Fig. 2, Fig. 7 and Fig. 9, continue to optimize above-described embodiment, be provided with the outer edge surface of lower disc 14
The second groove 143 of the pod apertures 114 of first chamber 17 and first is connected, the wherein Single port of the first pod apertures 114 extends to increasing
The position of inwall second groove 143 of correspondence of depressor housing 11.In the present embodiment, is provided with the outer edge surface of lower disc 14
Two grooves 143, near the lower end position of lower disc 14, i.e., the second groove 143 is positioned at the top of first chamber 17 for the second groove 143
Portion, during the compression of first chamber 17 recovers to original state, the drilling fluid in it directly enters first through the second groove 143
In pod apertures 114.Compression spring 162 is provided with second chamber 18 in addition, compression spring 162 is sheathed on piston rod 161.
Due to the radial dimension of the radial dimension more than high-voltage tube 112 of second chamber 18, this is formed with vertically in both junctions
Upward cascaded surface, one end of compression spring 162 is resisted against on the lower surface of piston 16, and the other end is supported to the cascaded surface, when
When one through hole 131 is connected with the second through hole 141, second chamber 18 and the synchronous compression of compression spring 162, and work as first through hole 131
When being connected with third through-hole 142, piston 16 is upper vertically to be moved, and compression spring 162 stretches, and when compression spring 162 extends to original state
During state, piston 16 stops movement, can effectively control first chamber 17, the chamber 19 of second chamber 18 and the 3rd to be in original state
State, plays preferable balanced action.
Referring to Fig. 1, further, actuator 15 is using the turbine being arranged in pressurizer shell 11, the output shaft of turbine
It is connected by TC bearing groups 20 between rotating shaft with upper valve block 13, TC bearing groups 20 are provided with leading of vertically running through
Fluid apertures 201.In the present embodiment, turbine without driven by power, when slush pump imports drilling fluid to upper connection 12, in drilling fluid
Hydraulic energy drive under, turbine can horizontally rotate around its output shaft, and then drive the synchronous rotation of the rotating shaft of upper valve block 13 by output shaft
Turn.For TC bearing groups 20, outer radial TC bearings 202 and the interior radial direction TC bearings 203 coordinated with it are included, will be above-mentioned
Delivery hole 201 is arranged on outer radial TC bearings 202, and interior radial direction TC bearings 203 are mainly used between turbine and upper valve block 13
Drive connection.Typically, liquid storage cylinder 21 is formed between TC bearing groups 20 and upper valve block 13, normal pressure pipe 111 is communicated to the liquid storage
Chamber 21.In this regard, drilling fluid enters in liquid storage cylinder 21 through delivery hole 201, the frequent pressure pipe 111 of a drilling fluid part in liquid storage cylinder 21
It is directed at outside so that the outside of pressurizer shell 11 is formed with normal pressure drilling fluid, and another part can then enter through first through hole 131
Enter in first chamber 17 or second chamber 18 so that high-voltage tube 112 can spray water cannon.
Referring to Fig. 1, Fig. 7-Figure 10, the embodiment of the present invention also provides a kind of rock breaking method, is mainly bored using above-mentioned rock burst
Well device 1, during broken rock, drill bit 2 is threadingly attached to the lower end of pressurizer shell 11, and both then are integrally placed at into brill
In well, by surface mud pump to conveying drilling fluid in rock burst drilling rig 1.In the present embodiment, by the hydraulic energy of drilling fluid
Order about actuator 15 to work, actuator 15 drives upper valve block 13 to rotate, while drilling fluid enters in liquid storage cylinder 21, the liquid storage in it
Often pressure pipe 111 is derived the part of chamber 21, and when upper valve block 13 rotates to first through hole 131 and connected with the second through hole 141, storage
In sap cavity 21 another part drilling fluid through 131 and second through hole of first through hole 141 enter first chamber 17 in, force piston 16 with
Piston rod 161 is moved down vertically, the 3rd chamber 19 and the synchronous compression of compression spring 162, the part drilling fluid in second chamber 18 according to
It is secondary to drain into the outside of pressurizer shell 11 through the second pod apertures 115, the first groove 132 and the 3rd pod apertures 116, while the 3rd chamber
High pressure is formed in room 19, its interior drilling fluid forms water cannon, water cannon bombardment through the first control valve 191 by the injection of each high pressure nozzle 113
Rock immediately below drill bit 2；Actuator 15 continues to order about valve block 13 and rotates, and connects with third through-hole 142 to first through hole 131
When logical, the part drilling fluid in liquid storage cylinder 21 enters in second chamber 18 through first through hole 131 and third through-hole 142, and second
Pressure increase in chamber 18, orders about the upper shifting vertically of piston 16 and piston rod 161, and pressure reduces in the 3rd chamber 19, and outside is normal
Pressure drilling fluid enters in the 3rd chamber 19 through the second control valve 192, while moving compression first chamber 17, its interior part on piston 16
Drilling fluid drains into outside through the second groove 143, the first pod apertures 114, the first groove 132 and the 3rd pod apertures 116 successively, and
When compression spring 162 recover to it is former long when, piston 16 and piston rod 161 stop on moving, now first chamber 17, second chamber 18
And the 3rd chamber 19 recover to original state, continue to rotate upper valve block 13, each high pressure nozzle 113 again bombard and hit rock by injection water
Stone, the like, periodicity constant bombardment rock is not only able to effectively improve drilling efficiency, and ensure that making for drill bit 2
Use the life-span.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (9)
1. a kind of rock burst drilling rig based on booster, including the pressurizer shell that is vertically arranged and install in the supercharging
The upper connection of device housing upper port, is provided with the pressurizer shell and connected with the upper connection and extend to the increasing
The normal pressure pipe of depressor housing lower end and extend downwardly and the high-voltage tube as derived from the lower end of the pressurizer shell, its feature exists
In：There is a upper valve block, fitted positioned at the upper valve block lower section and with the upper valve block in being horizontally disposed with the pressurizer shell
Lower disc and the actuator that the upper valve block is rotated about the axis can be ordered about, first through hole is vertically arranged with the upper valve block,
It is provided with the second through hole and third through-hole on the lower disc, second through hole and the third through-hole are with described
One through hole is coaxially isometrical, and the pressurizer shell is provided with piston and is slideably positioned in the high pressure in lower disc lower section
Piston rod in pipe, the upper end of the piston encloses to be formed and be connected with second through hole with the lower surface of the lower disc
One chamber, encloses to be formed and be connected with the third through-hole between the lower end of the piston and the inwall of the pressurizer shell
Two chambers, enclose to form the 3rd chamber between the lower end of the piston rod and the high-voltage tube, and in setting in the high-voltage tube
There is the first control valve that controllable 3rd chamber connects with the lower end of the pressurizer shell, the 3rd chamber is by the
Two control valves are connected with the outside of the pressurizer shell, are provided with towards the booster shell in the outer edge surface of the upper valve block
First groove of internal wall, the pressurizer shell inner side is provided with the first pod apertures, the second pod apertures and the 3rd pod apertures,
Described first pod apertures one end is connected with the first chamber, and the other end is connected by first groove with the 3rd pod apertures
Logical, one end of second pod apertures is connected with the second chamber, and the other end is led by first groove with the described 3rd
Discharge orifice is connected, and the 3rd pod apertures extend to the outside of the pressurizer shell, and first pod apertures and described second
The position correspondence of through hole, second pod apertures are corresponding with the position of the third through-hole.
2. the rock burst drilling rig of booster is based on as claimed in claim 1, it is characterised in that：In the outer rim of the lower disc
The second groove of the connection first chamber and first pod apertures, wherein one end of first pod apertures are provided with face
Mouth extends to the position of inwall correspondence second groove of the pressurizer shell.
3. the rock burst drilling rig of booster is based on as claimed in claim 1, it is characterised in that：Set in the second chamber
Compression spring is equipped with, the compression spring is sheathed on the piston rod.
4. the rock burst drilling rig of booster is based on as claimed in claim 1, it is characterised in that：The actuator is to be arranged at
Turbine in the pressurizer shell, is driven between the rotating shaft of the output shaft of the turbine and the upper valve block by TC bearing groups
Connection, the TC bearing groups are provided with the delivery hole for vertically running through.
5. the rock burst drilling rig of booster is based on as claimed in claim 4, it is characterised in that：The TC bearing groups with it is described
Liquid storage cylinder is formed between upper valve block, the normal pressure pipe is communicated to the liquid storage cylinder.
6. the rock burst drilling rig of booster is based on as claimed in claim 1, it is characterised in that：In the high-voltage tube away from institute
The port for stating the 3rd chamber is provided with least one high pressure nozzle.
7. the rock burst drilling rig of booster is based on as claimed in claim 1, it is characterised in that：Described first to control valve be edge
The check valve of the direction one-way conduction of lower end of the 3rd chamber to the pressurizer shell, described second to control valve be along institute
State the check valve of the outer lateral described 3rd chamber conducting of pressurizer shell.
8. a kind of rock breaking method, it is characterised in that：Bored using the rock burst based on booster as described in claim any one of 1-7
Well device, is placed in the rock burst drilling rig based on booster underground and spuds in, by surface mud pump to described based on increasing
Conveying drilling fluid in the rock burst drilling rig of depressor.
9. rock breaking method as claimed in claim 8, it is characterised in that：The actuator is based on described in the slush pump is imported
The hydraulic energy of the drilling fluid in the rock burst drilling rig of booster orders about work.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610847198.6A CN106194029B (en) | 2016-09-21 | 2016-09-21 | Rock burst drilling rig and rock breaking method based on booster |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610847198.6A CN106194029B (en) | 2016-09-21 | 2016-09-21 | Rock burst drilling rig and rock breaking method based on booster |
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| CN106194029B true CN106194029B (en) | 2017-05-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019226505A1 (en) * | 2018-05-21 | 2019-11-28 | Smith International, Inc. | Drill bit for use with intensified fluid pressures |
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| US11566475B2 (en) | 2018-07-07 | 2023-01-31 | Schlumberger Technology Corporation | Fixed cutter drill bit with high fluid pressures |
| CN114184502B (en) * | 2022-02-15 | 2022-05-20 | 西南石油大学 | A PDC micro-drill, rock drillability testing device and method |
| CN114876396B (en) * | 2022-04-24 | 2024-02-09 | 中国石油天然气股份有限公司 | Old well casing out-windowing method, old well treatment method and related tools |
| CN119393053B (en) * | 2024-09-25 | 2025-07-04 | 海斯比得（武汉）石油科技有限公司 | Rock burst drilling tool and rock burst rock breaking method |
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| CN106194029A (en) | 2016-12-07 |
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Effective date of registration: 20210223 Address after: No. 1801, 18 / F, building 1, No. 69, Tianfu Third Street, Chengdu hi tech Zone, China (Sichuan) pilot Free Trade Zone, Chengdu, Sichuan 610094 Patentee after: Chengdu oweenbo Petroleum Technology Co.,Ltd. Address before: 430070 Room 201, room 03, 1-2 / F, building B4, phase II construction project of financial backstage service center base, 77 Guanggu Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee before: HAISI BIDE (WUHAN) PETROLEUM TECHNOLOGY Co.,Ltd. |