CN111456662B - Auxiliary device for dismounting hydraulic main valve of oil extraction tree - Google Patents
Auxiliary device for dismounting hydraulic main valve of oil extraction tree Download PDFInfo
- Publication number
- CN111456662B CN111456662B CN202010295922.5A CN202010295922A CN111456662B CN 111456662 B CN111456662 B CN 111456662B CN 202010295922 A CN202010295922 A CN 202010295922A CN 111456662 B CN111456662 B CN 111456662B
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- base
- lifting nut
- main valve
- auxiliary device
- bracket
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- 238000000605 extraction Methods 0.000 title claims abstract description 14
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 241000191291 Abies alba Species 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 10
- 239000007789 gas Substances 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
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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)
- Valve Housings (AREA)
- Load-Engaging Elements For Cranes (AREA)
Abstract
The invention relates to an auxiliary device for dismounting and mounting a hydraulic main valve of an oil extraction tree, which comprises a base and a lifting nut; the middle part of the base is provided with a screw hole, the lifting nut is arranged in the screw hole in a penetrating way so as to be arranged in the base, and the lifting nut can perform lifting movement along the base; the bracket is arranged at the top of the lifting nut; the bracket comprises a bottom plate connected with the lifting nut, and two side plates which are vertically arranged on the bottom plate and extend upwards; the top edge of the side plate is provided with a support bearing assembly for supporting the main hydraulic valve of the gas production tree; compared with the traditional method, the hydraulic main valve of the oil extraction tree can be assembled and disassembled by at least 3 persons in one day, and the assembly and disassembly operation can be completed by one person in 2 hours by using the auxiliary device, so that the time and the labor are saved, and the operation efficiency is improved; the operation cost is reduced; the safety is improved, overhead operation and hoisting operation are not needed, and cross operation is reduced.
Description
Technical Field
The invention relates to the technical field of petroleum and natural gas equipment, in particular to an auxiliary device for dismounting a hydraulic main valve of an oil extraction tree.
Background
A christmas tree is an assembly located at the opening to the top of a well and includes valves, safety systems and a series of monitoring equipment for measurement and maintenance. The tree connects production and production lines from downhole and acts as an important barrier to the outside environment at the top of the well. It includes a number of valves that can be used to regulate or prevent the flow of produced crude oil vapors, natural gas and liquids out of the well. The offshore tree is connected to the production manifold system by a subsea pipeline.
The offshore oil and gas production platform has higher failure rate of the main hydraulic valve of the oil extraction tree due to factors such as the nature of the exploitation medium, the flow rate of the fluid, the components of the fluid, the temperature and the pressure of the fluid, the running environment and the like, wherein the disassembly and the installation of the main hydraulic valve of the oil extraction tree become a main difficult problem. At present, no auxiliary tool and device for efficiently disassembling and installing the pneumatic main valve of the gas production tree are found in domestic and foreign markets, and the traditional method is adopted for disassembling and installing, so that the operation efficiency is low, the time is long, the cost is high, and the safety risk is high.
Disclosure of Invention
The invention aims to solve the technical problem of providing an auxiliary device for dismounting and mounting a hydraulic main valve of a christmas tree.
The technical scheme adopted for solving the technical problems is as follows: an auxiliary device for assembling and disassembling a hydraulic main valve of an oil extraction tree is constructed, comprising
A base and a lifting nut;
The middle part of the base is provided with a screw hole, the lifting nut is arranged in the screw hole in a penetrating way so as to be arranged in the base, and the lifting nut can perform lifting movement along the base; and
The bracket is arranged at the top of the lifting nut; the bracket comprises a bottom plate connected with the lifting nut, and two side plates which are vertically arranged on the bottom plate and extend upwards; the top edge of the side plate is provided with a support bearing assembly for supporting the main hydraulic valve of the gas production tree; and the supporting piece is arranged at the bottom of the base and used for positioning and supporting the whole device.
Preferably, the base is in a circular flat plate structure;
The screw hole is arranged at the center of the base.
Preferably, the lifting nut comprises an adjusting piece sleeved on the periphery of a section of the lifting nut between the base and the bracket.
Preferably, the adjusting member includes a sleeve welded to the outer circumference of the lifting nut; and
And a handle arranged on the periphery of the sleeve.
Preferably, the handle comprises three handle units which are uniformly distributed on the same plane and are adjacently spaced at 120 degrees.
Preferably, a thrust bearing is arranged between the adjusting piece and the base.
Preferably, the corners of the two side plates are provided with mounting holes;
The support bearing assembly comprises a rotating shaft and support bearings arranged on two sides of the rotating shaft;
The rotating shaft penetrates through the mounting hole to mount the support bearing assembly on the bracket, and the support bearing is close to the inner side surfaces of the two side plates, which are opposite.
Preferably, the side plate is provided with a yielding groove;
the abdication groove is of a U-shaped structure, a V-shaped structure or an arc-shaped structure.
Preferably, the supporting piece comprises three supporting rods which are uniformly distributed at intervals.
Preferably, the support rod is an electronic telescopic rod or a folding rod.
The implementation of the invention has the following beneficial effects: compared with the traditional method, the auxiliary device can support the hydraulic main valve actuating mechanism of the oil extraction tree, and can be assembled and disassembled by at least 3 persons in one day, so that the assembly and disassembly operations can be completed within 2 hours by one person, the time and the labor are saved, and the operation efficiency is improved by times; the operation cost is greatly reduced, the rate is very high when the offshore operation is carried out manually, and the operation cost is reduced when the manual operation is reduced; the safety is improved, hanging straps and chain blocks do not need to be hung at hanging points, overhead operation and hoisting operation are not needed, and cross operation is reduced.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of the auxiliary device for assembling and disassembling the hydraulic main valve of the Christmas tree;
Fig. 2 is a schematic structural view of a rotary shaft 41 according to the present invention;
FIG. 3 is a schematic diagram of the operation of the auxiliary device for assembling and disassembling the hydraulic main valve of the Christmas tree.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "rear", "upper", "lower", "left", "right", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail", etc. are configured and operated in specific directions based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention, and do not indicate that the apparatus or element to be referred to must have specific directions, and thus should not be construed as limiting the present invention.
It should also be noted that unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured," "disposed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. The terms "first," "second," "third," and the like are used merely for convenience in describing the present invention and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defining "first," "second," "third," etc. may explicitly or implicitly include one or more such features. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
As shown in fig. 1, the auxiliary device for dismounting the main hydraulic valve of the oil extraction tree comprises a base 1, a lifting nut 2, a bracket 3, a support bearing assembly 4, a support piece 5 and an adjusting piece 6.
The base 1 is generally in a circular flat plate structure, but may be in a square plate structure or a shaped plate structure, and its structural form and size can be appropriately adjusted according to the needs, and the present invention is not limited thereto.
The middle part of the base 1 is provided with a screw hole, the lifting nut 2 is penetrated in the screw hole to be installed in the base 1, and the lifting nut 2 can perform lifting motion along the base 1.
The adjusting piece 6 is sleeved on the periphery of the lifting nut 2, which is located between the base 1 and the bracket 3, and comprises a sleeve 61 welded on the periphery of the lifting nut 2 and a handle 62 arranged on the periphery of the sleeve 61, wherein the handle 62 can be a round rod, and a section or whole section of the periphery of the round rod is provided with lines, so that the lifting nut is convenient for operators to hold. The end of the round rod can be provided with external threads or thread grooves, and can be externally connected with a rod body so as to prolong the length of the whole handle and facilitate force application. Of course, the handle 62 may also be a telescoping rod.
Further, the handle 62 includes three handle units uniformly distributed on the same plane at adjacent intervals of 120 °. Of course, there may be one or two, and the number is not limited.
Further, a thrust bearing is arranged between the adjusting member 6 and the base 1, specifically, the thrust bearing is located between the sleeve 61 and the upper side of the base 1, which is convenient for the handle 62 to apply thrust in the vertical direction when rotating, so that the operation is more labor-saving. Of course, a spring may be provided between the adjustment member 6 and the base 1.
The bracket 3 is disposed at the top of the lifting nut 2, and comprises a bottom plate 31 connected with the lifting nut 2, two side plates which are vertically disposed on the bottom plate 31 and extend upwards, such as a first side plate 32 and a second side plate 33, and each side plate is provided with a yielding groove, wherein the yielding groove is in a U-shaped structure, a V-shaped structure or an arc-shaped structure.
The support bearing assembly 4 is arranged at the top edges of two sides of the side plate abdication groove and is used for supporting the hydraulic main valve of the gas production tree.
Further, the corners of the two side plates are provided with mounting holes, and the support bearing assembly 4 comprises a rotating shaft 41 and support bearings 42 arranged on two sides of the rotating shaft 41.
The shaft 41 is threaded through the mounting holes to mount the support bearing assembly 4 to the bracket 3, with the support bearings 42 adjacent the opposite inner sides of the two side plates.
In some embodiments, the bottom plate 31 is provided with a pair of parallel sliding grooves/guide rails, and each side plate includes two side plate units, and the two side plate units can relatively move along the sliding grooves/guide rails to adjust the relative positions of the support bearings 42 to adapt to the hydraulic main valves of the christmas tree with different sizes.
Further, as shown in fig. 2, the diameter of the middle part of the rotating shaft 41 is larger than that of the two ends, so as to axially limit the support bearing 6. Of course, in some embodiments, the support bearing 42 may be axially movable along the shaft 41 to adjust the relative distance of the support bearing 42 on the same shaft. It will be appreciated that in practical implementations, the support bearing wheelbase may be designed as an adjustable movable mechanism in order to accommodate various sizes of gas production trees.
In some embodiments, the lifting nut 2 can be replaced by a lifting mechanism controlled pneumatically, electrically or hydraulically for easy and labor-saving operation of the bracket 3.
Further, the supporting piece 5 is arranged at the bottom of the base 1 and is used for positioning and supporting the whole device. The supporting piece 5 comprises three supporting rods which are uniformly distributed at intervals. Furthermore, the supporting rod can be an electronic telescopic rod or a folding rod, so that the auxiliary device can be stored and carried conveniently. Further, the bottom of the supporting piece 5 can be provided with a movable bearing universal roller mechanism, so that the whole device can be conveniently moved.
In this embodiment, the replacement device may be made of a material with high light weight and strength, such as stainless steel, titanium alloy, and the like.
As shown in fig. 3, the hydraulic cylinder 10 of the hydraulic main valve actuator of the christmas tree has a substantially cylindrical structure and a substantially circular structure in cross section, and the auxiliary device has the working process that: the auxiliary device is arranged below the hydraulic main valve of the tree to be maintained, the handle 62 is rotated to enable the bracket 3 to slowly ascend until the support bearing 42 contacts with and bears force on the hydraulic cylinder 10 of the hydraulic main valve actuator, and at the moment, the hydraulic cylinder 10 of the hydraulic main valve actuator is rotated to detach the hydraulic main valve actuator of the tree; conversely, the tree hydraulic main valve actuator can be mounted to the tree.
The device has the following advantages: compared with the traditional method, the hydraulic main valve of the oil extraction tree can be assembled and disassembled only by 3 persons in one day, and the auxiliary device can be used for assembling and disassembling the hydraulic main valve of the oil extraction tree in 2 hours, so that time and labor are saved, and the operation efficiency is improved by times; the operation cost is greatly reduced, the rate is very high when the offshore operation is carried out manually, and the operation cost is reduced when the manual operation is reduced; the safety is improved, hanging straps and chain blocks do not need to be hung at hanging points, overhead operation and hoisting operation are not needed, and cross operation is reduced.
It is to be understood that the above examples only represent preferred embodiments of the present invention, which are described in more detail and are not to be construed as limiting the scope of the invention; it should be noted that, for a person skilled in the art, the above technical features can be freely combined, and several variations and modifications can be made without departing from the scope of the invention; therefore, all changes and modifications that come within the meaning and range of equivalency of the claims are to be embraced within their scope.
Claims (2)
1. An auxiliary device for disassembling and assembling a hydraulic main valve of an oil extraction tree, which is characterized by comprising
A base and a lifting nut;
The middle part of the base is provided with a screw hole, the lifting nut is arranged in the screw hole in a penetrating way so as to be arranged in the base, and the lifting nut can perform lifting movement along the base; and
The bracket is arranged at the top of the lifting nut; the bracket comprises a bottom plate connected with the lifting nut, and two side plates which are vertically arranged on the bottom plate relatively and extend upwards; the top edge of the side plate is provided with a supporting bearing assembly for supporting the hydraulic main valve of the oil extraction tree; the support piece is arranged at the bottom of the base and used for positioning and supporting the whole device; mounting holes are formed in the corners of the two side plates; the support bearing assembly comprises a rotating shaft and support bearings arranged on two sides of the rotating shaft; the rotating shaft penetrates through the mounting hole to mount the support bearing assembly on the bracket, and the support bearing is close to the inner side surfaces of the two side plates opposite to each other; the diameter of the middle part of the rotating shaft is larger than the diameters of the two ends so as to axially limit the support bearing; the side plate is provided with a relief groove; the abdication groove is in a U-shaped structure, a V-shaped structure or an arc-shaped structure;
the adjusting piece is sleeved on the periphery of the lifting nut, which is positioned between the base and the bracket, and comprises a sleeve welded on the periphery of the lifting nut; the handle is arranged on the periphery of the sleeve and comprises three handle units which are uniformly distributed on the same plane and are adjacent at 120-degree intervals, and a thrust bearing is arranged between the adjusting piece and the base;
the support piece comprises three support rods which are uniformly distributed at intervals, and the support rods are electronic telescopic rods or folding rods.
2. The auxiliary device for dismounting and mounting the hydraulic main valve of the christmas tree according to claim 1, wherein the base is in a circular flat plate structure;
The screw hole is arranged at the center of the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295922.5A CN111456662B (en) | 2020-04-15 | 2020-04-15 | Auxiliary device for dismounting hydraulic main valve of oil extraction tree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010295922.5A CN111456662B (en) | 2020-04-15 | 2020-04-15 | Auxiliary device for dismounting hydraulic main valve of oil extraction tree |
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| Publication Number | Publication Date |
|---|---|
| CN111456662A CN111456662A (en) | 2020-07-28 |
| CN111456662B true CN111456662B (en) | 2024-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010295922.5A Active CN111456662B (en) | 2020-04-15 | 2020-04-15 | Auxiliary device for dismounting hydraulic main valve of oil extraction tree |
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| CN (1) | CN111456662B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111980607B (en) * | 2020-08-28 | 2023-03-10 | 广西桂冠电力股份有限公司大化水力发电总厂 | Method for removing water pipe of deep well pump |
| CN113524116A (en) * | 2021-08-19 | 2021-10-22 | 上海康恒环境股份有限公司 | Hydraulic cylinder extracting tool |
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| CN107503696A (en) * | 2017-08-15 | 2017-12-22 | 中国海洋石油总公司 | Shackle device and upper shackle method in auxiliary |
| CN108311847A (en) * | 2018-02-05 | 2018-07-24 | 中国石油天然气股份有限公司西南油气田分公司安全环保与技术监督研究院 | A kind of natural gas line supporting device for welding |
| CN212642648U (en) * | 2020-04-15 | 2021-03-02 | 中海石油深海开发有限公司 | Auxiliary device for dismounting and mounting hydraulic main valve of Christmas tree |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203703539U (en) * | 2014-01-07 | 2014-07-09 | 中国石油集团测井有限公司生产测井中心 | Adjustable support special for decentralized wellhead |
| CN204321520U (en) * | 2014-11-10 | 2015-05-13 | 上海宝钢工业技术服务有限公司 | For the quick-replaceable bracing or strutting arrangement of large_sized hydraulic cylinder |
| CN104790889B (en) * | 2015-04-22 | 2017-05-31 | 青岛江汉石油机械有限公司 | A kind of high-torque underground rod tube tool ejector erecting device |
| CN205243450U (en) * | 2015-12-24 | 2016-05-18 | 中国地质大学（北京） | Drill rod holding device |
| CN206373566U (en) * | 2016-12-30 | 2017-08-04 | 日照港集团岚山港务有限公司 | Hydraulic jack Assembly And Disassembly servicing unit |
| CN206952941U (en) * | 2017-06-27 | 2018-02-02 | 诸暨越博企业管理咨询有限公司 | The frame supporting structure of timber processing |
| CN109267950A (en) * | 2018-11-29 | 2019-01-25 | 美钻深海能源科技研发（上海）有限公司 | It is a kind of scene on detain tooling |
| CN209762442U (en) * | 2019-03-01 | 2019-12-10 | 中国石油大学(华东) | A multifunctional support device for pipeline installation |
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2020
- 2020-04-15 CN CN202010295922.5A patent/CN111456662B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107503696A (en) * | 2017-08-15 | 2017-12-22 | 中国海洋石油总公司 | Shackle device and upper shackle method in auxiliary |
| CN108311847A (en) * | 2018-02-05 | 2018-07-24 | 中国石油天然气股份有限公司西南油气田分公司安全环保与技术监督研究院 | A kind of natural gas line supporting device for welding |
| CN212642648U (en) * | 2020-04-15 | 2021-03-02 | 中海石油深海开发有限公司 | Auxiliary device for dismounting and mounting hydraulic main valve of Christmas tree |
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