CN109162635A - A kind of new pressure measuring drill hole construction technology - Google Patents
A kind of new pressure measuring drill hole construction technology Download PDFInfo
- Publication number
- CN109162635A CN109162635A CN201811092913.5A CN201811092913A CN109162635A CN 109162635 A CN109162635 A CN 109162635A CN 201811092913 A CN201811092913 A CN 201811092913A CN 109162635 A CN109162635 A CN 109162635A
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- Prior art keywords
- hole
- pressure measuring
- slip casting
- drilling
- slurry
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- 238000010276 construction Methods 0.000 title claims abstract description 36
- 238000005516 engineering process Methods 0.000 title claims abstract description 18
- 238000005553 drilling Methods 0.000 claims abstract description 50
- 239000002002 slurry Substances 0.000 claims abstract description 43
- 238000007569 slipcasting Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 239000004568 cement Substances 0.000 claims abstract description 11
- 238000006073 displacement reaction Methods 0.000 claims abstract description 6
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000003245 coal Substances 0.000 claims description 23
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 9
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000011835 investigation Methods 0.000 claims description 5
- 239000011435 rock Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 241000537371 Fraxinus caroliniana Species 0.000 claims description 3
- 235000010891 Ptelea trifoliata Nutrition 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000001514 detection method Methods 0.000 abstract description 3
- 239000011440 grout Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 abstract description 2
- 239000000243 solution Substances 0.000 description 6
- 201000004569 Blindness Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification 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
-
- 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
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/06—Measuring temperature or pressure
-
- 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
- E21B7/20—Driving or forcing casings or pipes into boreholes, e.g. sinking; Simultaneously drilling and casing boreholes
Landscapes
- 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)
- Geophysics (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The invention discloses a kind of new pressure measuring drill hole construction technologies, comprising the following steps: step 1 preparation of construction；Step 2 determines bore position；Step 3 slip casting；Pressure measuring sleeve part under step 4；Step 5 sealing of hole；Step 6 stops slip casting；Step 7 observes gas pressure, when inspecting hole, with stake anchor point borehole, determine bore position, drilling machine is in place later, ensure that pedestal is steady, not run-off the straight displacement carries out pressure measuring drill hole, convenient for bore operation, wherein the proportion of slurries will meet the requirements, it can stop slip casting after cement slurry returns slurry from return pipe, if hole wall occurs seeping slurry problem, timely use grout off, and slip casting is carried out using intermittent mode, until not permeable slurry, the leakproofness for guaranteeing hole wall can be sent it to, using the new process construction pressure measuring drill hole of grouting behind shaft or drift lining, piezo-effect is fairly obvious, the too low problem of the success rate for the pressure measuring drill hole of avoiding over, it adopts new technology after sealing of hole, substantially increase the success rate of pressure measuring drill hole detection gas pressure.
Description
Technical field
The present invention relates to a kind of drill construction techniques, and in particular to a kind of new pressure measuring drill hole construction technology.
Background technique
Currently, gas accident is one of disaster and security risk of coal mine, in order to avoid in Comprehensive Gas Control
Blindness, accomplishes effective, reliable and proactive, needs to have the gas pressure in coal seam one accurately to grasp, could be to danger
The necessary precautionary measures are taken in danger zone domain in time, avoid Gas Disaster, have the initiative status in gas preventing and control work, according to watt
The needs of this control require construction pressure measuring drill hole every year, and coal core are taken to survey relevant Gas explosion burns.Due to tunnel lithology
Blowing out during being tunneled influences, and palisades generate a large amount of vibration crack, when pressure measuring drill hole slip casting, does not well solve crack leakage
Gas problem causes part drilling not detect gas pressure or the gas pressure inaccuracy surveyed, is not achieved and expected surveys pressure effect
Fruit.
Summary of the invention
The purpose of the present invention is to provide a kind of new pressure measuring drill hole construction technologies to be mentioned with ensure that the leakproofness of hole wall
The success rate of high pressure measuring drill hole detection gas pressure.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
The present invention provides a kind of new pressure measuring drill hole construction technologies, including following construction procedure:
Step 1: preparation of construction carries out pipes investigation, understands 2 meters of place or less barrier, it is ensured that building site leveling, compacting, rationally
Arrange construction machinery etc.,
Step 2: when inspecting hole, with stake anchor point borehole, bore position is determined, drilling machine is in place later, it is ensured that pedestal is steady, does not send out
Raw angular displacements carry out pressure measuring drill hole, creep into bore position using drill bit when drilling, drilling well is first crept into drill bit when creeping into, it is contemplated that
Stop drilling at 2 meters before seeing coal, diffuses into bottom hole with reaming bit；
Step 3: carrying out casing in the drilling of the step 2, and grouting behind shaft or drift lining is carried out after casing, carries out after full hole setting of casing
Grouting behind shaft or drift lining, backward hole in injection expansion hole sealing agent, slip casting can stop slip casting after reaching certain pressure；
Step 4: using drill bit cleaning bottom of hole after slip casting 24 hours, drilling is shown in after coal with pressure air drill into deslagging, drills through drilling machine behind coal seam
Stop drilling and exit coal seam, is rinsed with water rock hole wall, lower pressure measuring sleeve part and sealing of hole；
Step 5: after pressure measuring sleeve part tripping in bottom hole, injection hole sealing is carried out；
Step 6: when drilling grouting behind shaft or drift lining and hole-sealing grouting, scene will have administrative staff's field surveillance of profession；The proportion of slurries
It meets the requirements, slip casting can be stopped after cement slurry returns slurry from return pipe, if hole wall occurs seeping slurry problem, timely use water
Mudding is stifled, and carries out slip casting using intermittent mode, until not permeable slurry；
Step 7: stop slip casting after return pipe outflow in slurries, close Grouting Pipe, upper pressure gauge observes gas pressure after 24 hours
Power.
As a preferred technical solution of the present invention, the drill bit in the step 2 and the step 4 is ￠ 94mm
Drill bit, the reaming bit of the step 2 kind are the reaming bit of ￠ 127mm, and the casing in the step 3 is ￠ 108mm.
As a preferred technical solution of the present invention, the pressure air drill in the step 3 is conventional mechanical, the drilling machine
For conventional mechanical.
As a preferred technical solution of the present invention, the slurries include that cement slurry and water are grey, the cement slurry and institute
Stating water ash proportion is 1:1.
As a preferred technical solution of the present invention, the bit central, which uses, determines stake locator align piles position.
The beneficial effects obtained by the present invention are as follows being: the device is a kind of new pressure measuring drill hole construction technology, using infusing after wall
The new process construction pressure measuring drill hole of slurry, piezo-effect is fairly obvious, the too low problem of the success rate for the pressure measuring drill hole of avoiding over,
It adopts new technology sealing of hole, and to construct in strict accordance with the requirement of technical measures during drilling construction, operation behavior will standardize, each
After a link will be implemented completely out and out, slip casting can be stopped after returning slurry from return pipe by cement slurry, if hole wall
Occur seeping slurry problem, grout off is timely used, and slip casting is carried out using intermittent mode, until not permeable slurry, to ensure that hole
The leakproofness of wall is conducive to the success rate for substantially increasing pressure measuring drill hole detection gas pressure.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below by embodiment, the present invention is described in further detail.
Specific embodiment
Embodiment 1
The present invention provides a kind of new pressure measuring drill hole construction technology, including following construction procedure:
Step 1: preparation of construction carries out pipes investigation, understands 2 meters of place or less barrier, it is ensured that building site leveling, compacting, rationally
Arrange construction machinery etc.,
Step 2: when inspecting hole, with stake anchor point borehole, bore position is determined, drilling machine is in place later, it is ensured that pedestal is steady, does not send out
Raw angular displacements carry out pressure measuring drill hole, creep into bore position using drill bit when drilling, drilling well is first crept into drill bit when creeping into, it is contemplated that
Stop drilling at 2 meters before seeing coal, diffuses into bottom hole with reaming bit；
Step 3: carrying out casing in the drilling of the step 2, and grouting behind shaft or drift lining is carried out after casing, carries out after full hole setting of casing
Grouting behind shaft or drift lining, backward hole in injection expansion hole sealing agent, slip casting can stop slip casting after reaching certain pressure；
Step 4: using drill bit cleaning bottom of hole after slip casting 24 hours, drilling is shown in after coal with pressure air drill into deslagging, drills through drilling machine behind coal seam
Stop drilling and exit coal seam, is rinsed with water rock hole wall, lower pressure measuring sleeve part and sealing of hole；
Step 5: after pressure measuring sleeve part tripping in bottom hole, injection hole sealing is carried out；
Step 6: when drilling grouting behind shaft or drift lining and hole-sealing grouting, scene will have administrative staff's field surveillance of profession；The proportion of slurries
It meets the requirements, slip casting can be stopped after cement slurry returns slurry from return pipe, if hole wall occurs seeping slurry problem, timely use water
Mudding is stifled, and carries out slip casting using intermittent mode, until not permeable slurry；
Step 7: stop slip casting after return pipe outflow in slurries, close Grouting Pipe, upper pressure gauge observes gas pressure after 24 hours
Power.
Embodiment 2
The present invention provides a kind of new pressure measuring drill hole construction technology, including following construction procedure:
Step 1: preparation of construction carries out pipes investigation, understands 2 meters of place or less barrier, it is ensured that building site leveling, compacting, rationally
Arrange construction machinery etc.,
Step 2: when inspecting hole, with stake anchor point borehole, bore position is determined, drilling machine is in place later, it is ensured that pedestal is steady, does not send out
Raw angular displacements carry out pressure measuring drill hole, creep into bore position using drill bit when drilling, drilling well is first crept into drill bit when creeping into, it is contemplated that
Stop drilling at 2 meters before seeing coal, diffuses into bottom hole with reaming bit；
Step 3: carrying out casing in the drilling of the step 2, and grouting behind shaft or drift lining is carried out after casing, carries out after full hole setting of casing
Grouting behind shaft or drift lining, slip casting can stop slip casting after reaching certain pressure；
Step 4: using drill bit cleaning bottom of hole after slip casting 24 hours, drilling is shown in after coal with pressure air drill into deslagging, drills through drilling machine behind coal seam
Stop drilling and exit coal seam, is rinsed with water rock hole wall, lower pressure measuring sleeve part and sealing of hole；
Step 5: after pressure measuring sleeve part tripping in bottom hole, injection hole sealing is carried out；
Step 6: when drilling grouting behind shaft or drift lining and hole-sealing grouting, scene will have administrative staff's field surveillance of profession；The proportion of slurries
It meets the requirements, slip casting can be stopped after cement slurry returns slurry from return pipe；
Step 7: stop slip casting after return pipe outflow in slurries, close Grouting Pipe, upper pressure gauge observes gas pressure after 12 hours
Power.
Embodiment 3
The present invention provides a kind of new pressure measuring drill hole construction technology, including following construction procedure:
Step 1: preparation of construction carries out pipes investigation, understands 2 meters of place or less barrier, it is ensured that building site leveling, compacting, rationally
Arrange construction machinery etc.,
Step 2: when inspecting hole, with stake anchor point borehole, bore position is determined, drilling machine is in place later, it is ensured that pedestal is steady, does not send out
Raw angular displacements carry out pressure measuring drill hole, creep into bore position using drill bit when drilling, drilling well is first crept into drill bit when creeping into, it is contemplated that
Stop drilling at 2 meters before seeing coal, diffuses into bottom hole with reaming bit；
Step 3: carrying out casing in the drilling of the step 2, and grouting behind shaft or drift lining is carried out after casing, carries out after full hole setting of casing
Grouting behind shaft or drift lining, backward hole in injection expansion hole sealing agent, slip casting can stop slip casting after reaching certain pressure；
Step 4: using drill bit cleaning bottom of hole after slip casting 24 hours, drilling is shown in after coal with pressure air drill into deslagging, drills through drilling machine behind coal seam
Stop drilling and exit coal seam, is rinsed with water rock hole wall, lower pressure measuring sleeve part and sealing of hole；
Step 5: after pressure measuring sleeve part tripping in bottom hole, injection hole sealing is carried out；
Step 6: when drilling grouting behind shaft or drift lining and hole-sealing grouting, scene will have administrative staff's field surveillance of profession；The proportion of slurries
It meets the requirements, slip casting can be stopped after cement slurry returns slurry from return pipe, if hole wall occurs seeping slurry problem, sealed using baffle
It is stifled, continue slip casting；
Step 7: stop slip casting after return pipe outflow in slurries, close Grouting Pipe, upper pressure gauge observes gas pressure after 24 hours
Power.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (5)
1. a kind of new pressure measuring drill hole construction technology, which is characterized in that the construction technology the following steps are included:
Step 1: preparation of construction carries out pipes investigation, understands 2 meters of place or less barrier, it is ensured that building site leveling, compacting, rationally
Arrange construction machinery etc.,
Step 2: when inspecting hole, with stake anchor point borehole, bore position is determined, drilling machine is in place later, it is ensured that pedestal is steady, does not send out
Raw angular displacements carry out pressure measuring drill hole, creep into bore position using drill bit when drilling, drilling well is first crept into drill bit when creeping into, it is contemplated that
Stop drilling at 2 meters before seeing coal, diffuses into bottom hole with reaming bit；
Step 3: carrying out casing in the drilling of the step 2, and grouting behind shaft or drift lining is carried out after casing, carries out after full hole setting of casing
Grouting behind shaft or drift lining, backward hole in injection expansion hole sealing agent, slip casting can stop slip casting after reaching certain pressure；
Step 4: using drill bit cleaning bottom of hole after slip casting 24 hours, drilling is shown in after coal with pressure air drill into deslagging, drills through drilling machine behind coal seam
Stop drilling and exit coal seam, is rinsed with water rock hole wall, lower pressure measuring sleeve part and sealing of hole；
Step 5: after pressure measuring sleeve part tripping in bottom hole, injection hole sealing is carried out；
Step 6: when drilling grouting behind shaft or drift lining and hole-sealing grouting, scene will have administrative staff's field surveillance of profession；The proportion of slurries
It meets the requirements, slip casting can be stopped after cement slurry returns slurry from return pipe, if hole wall occurs seeping slurry problem, timely use water
Mudding is stifled, and carries out slip casting using intermittent mode, until not permeable slurry；
Step 7: stop slip casting after return pipe outflow in slurries, close Grouting Pipe, upper pressure gauge observes gas pressure after 24 hours
Power.
2. the new pressure measuring drill hole construction technology of one kind according to claim 1, which is characterized in that the step 2 and described
Drill bit in step 4 is ￠ 94mm drill bit, and the reaming bit of the step 2 kind is the reaming bit of ￠ 127mm, the step
Casing in rapid three is ￠ 108mm.
3. the new pressure measuring drill hole construction technology of one kind according to claim 1, which is characterized in that the pressure in the step 3
Air drill is conventional mechanical, and the drilling machine is conventional mechanical.
4. the new pressure measuring drill hole construction technology of one kind according to claim 1, which is characterized in that the slurries include cement
Slurry and water ash, the cement slurry and water ash proportion are 1:1.
5. the new pressure measuring drill hole construction technology of one kind according to claim 1, which is characterized in that the bit central uses
Determine stake locator align piles position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092913.5A CN109162635A (en) | 2018-09-19 | 2018-09-19 | A kind of new pressure measuring drill hole construction technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811092913.5A CN109162635A (en) | 2018-09-19 | 2018-09-19 | A kind of new pressure measuring drill hole construction technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109162635A true CN109162635A (en) | 2019-01-08 |
Family
ID=64879534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811092913.5A Pending CN109162635A (en) | 2018-09-19 | 2018-09-19 | A kind of new pressure measuring drill hole construction technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109162635A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110513100A (en) * | 2019-09-11 | 2019-11-29 | 华北科技学院 | A field experiment method to improve the success rate of gas pressure measurement |
| CN110541726A (en) * | 2019-06-12 | 2019-12-06 | 义马煤业集团孟津煤矿有限责任公司 | Two-blocking, two-injection and one-return water-through pipe direct connection sealing method for gas drainage in coal mines |
| CN113464122A (en) * | 2021-06-23 | 2021-10-01 | 中国矿业大学 | Method for improving gas pressure determination accuracy through auxiliary drilling |
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| CA2585080C (en) * | 2004-10-26 | 2009-12-22 | Halliburton Energy Services, Inc. | Methods and systems for reverse-circulation cementing in subterranean formations |
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2018
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541726A (en) * | 2019-06-12 | 2019-12-06 | 义马煤业集团孟津煤矿有限责任公司 | Two-blocking, two-injection and one-return water-through pipe direct connection sealing method for gas drainage in coal mines |
| CN110513100A (en) * | 2019-09-11 | 2019-11-29 | 华北科技学院 | A field experiment method to improve the success rate of gas pressure measurement |
| CN113464122A (en) * | 2021-06-23 | 2021-10-01 | 中国矿业大学 | Method for improving gas pressure determination accuracy through auxiliary drilling |
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Application publication date: 20190108 |