CN220705649U - Surface layer well wall anti-collapse sleeve structure for tight oil drilling - Google Patents
Surface layer well wall anti-collapse sleeve structure for tight oil drilling Download PDFInfo
- Publication number
- CN220705649U CN220705649U CN202322172578.2U CN202322172578U CN220705649U CN 220705649 U CN220705649 U CN 220705649U CN 202322172578 U CN202322172578 U CN 202322172578U CN 220705649 U CN220705649 U CN 220705649U
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- clamping
- clamping tube
- group
- pipe
- sleeve
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- 238000005553 drilling Methods 0.000 title claims abstract description 31
- 239000002344 surface layer Substances 0.000 title claims abstract description 17
- 239000000945 filler Substances 0.000 claims description 32
- 239000006260 foam Substances 0.000 claims description 32
- 230000007246 mechanism Effects 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 7
- 230000002265 prevention Effects 0.000 claims 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 3
- 235000017491 Bambusa tulda Nutrition 0.000 claims 3
- 241001330002 Bambuseae Species 0.000 claims 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 3
- 239000011425 bamboo Substances 0.000 claims 3
- 238000000034 method Methods 0.000 abstract description 15
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Earth Drilling (AREA)
Abstract
The utility model relates to the technical field of anti-collapse casings for tight oil drilling, and discloses a surface layer well wall anti-collapse casing structure for tight oil drilling, which comprises the following components: the casing group is used for protecting a drilling surface well wall, the clamping pipe A is arranged on the right side of the casing group, the connecting component is used for assembling the casing group, the clamping groove is arranged on the outer portion of the clamping pipe A and used for connecting and assembling the clamping pipe A, and the clamping pipe B is arranged on the left side of the casing group. This compact oil is surface layer wall of a well casing anti-collapse sleeve structure for well drilling to need not external instrument and can carry out quick equipment to the sleeve pipe group, improve its equipment speed, can not lead to the sleeve pipe group to be damaged by excessive centre gripping again because of outside excessively fixed, thereby seal fast between clamp pipe A and clamp pipe B, increase the intensity between clamp pipe A and the clamp pipe B simultaneously, improve the intensity of sleeve pipe group then, avoid its in-process drilling collapse at fixed well drilling, improve its result of use.
Description
Technical Field
The utility model relates to the technical field of anti-collapse casings for tight oil drilling, in particular to a surface layer well wall anti-collapse casing structure for tight oil drilling.
Background
The compact oil drilling casing pipe is used for supporting the well wall, so that a drill rod enters the casing pipe to drill a bottom layer, the length of the casing pipe is up to hundred meters, and the compact oil drilling casing pipe is of an integrated structure, is extremely easy to corrode or is extruded and broken by hard stones in the well wall under a severe underground environment, which is a root cause that a drill bit cannot drill downwards any more, and the whole replacement cost is high.
The quick-dismantling type oil-gas field drilling sleeve provided by the Chinese patent 2022233302731 can be dismantled and separated from the sleeve a and the sleeve b in a short time without tools, has higher practicability and is more convenient for operators to operate.
The contrast case is connected the sleeve pipe through the clamp, but compact oil well drilling is at the in-process of installing the sleeve pipe, needs once only to install a large amount of sleeve pipes to lead to need endless through outside instrument drive clamp restriction sleeve pipe, then reduce sheathed tube installation rate, simultaneously the clamp is at the in-process of installing the sleeve pipe, thereby leads to sheathed tube outside damage because of excessive fixed easily, then reduces telescopic life.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a surface layer well wall collapse-preventing sleeve structure for compact oil drilling so as to solve the technical problems.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: a surface layer well wall anti-collapse sleeve structure for tight oil drilling comprises:
and the sleeve group is used for protecting the surface well wall of the well.
And the clamping pipe A is arranged on the right side of the sleeve group and used for assembling the sleeve group by the connecting component.
And the clamping groove is arranged outside the clamping tube A and used for connecting and assembling the clamping tube A.
And the clamping tube B is arranged at the left side of the sleeve group and used for being connected with the clamping tube A.
And the locking mechanism is arranged outside the clamping tube B and is used for connecting the clamping tube B with the clamping tube A.
The locking mechanism comprises a hollow column, the hollow column is connected with the clamping tube B, one end, away from the clamping tube B, of the hollow column is connected with a sliding plate through a spring, and one end, away from the spring, of the sliding plate is fixedly connected with a clamping block.
And the sealing mechanisms are arranged on two sides of the outer part of the hollow column and are used for sealing the clamping tube B and the clamping tube A.
The sealing mechanism comprises a hollow cylinder, the hollow cylinder is connected with a hollow column, one end, away from the clamping tube B, of the hollow cylinder is fixedly connected with a foam filler bottle, the foam filler bottle is connected with the clamping tube B through a spray head group, a pressing plate is sleeved on the outer portion of the foam filler bottle, and the pressing plate is connected with a sliding plate.
Preferably, the clamping grooves are formed in the outer portion of the clamping tube A at equal intervals, the shape of each clamping groove is matched with that of each clamping block, and the clamping grooves can be locked with the clamping tube A through the clamping grooves in cooperation with the springs.
Preferably, the front of fixture block is close to the design that sliding plate one end is high, is close to the design that clamping tube B's one end is low, the top and the bottom of fixture block are slope design, and the positive slope design of fixture block makes clamping tube A can drive the fixture block to retract at the in-process that descends, and the planar design at the fixture block back can restrict clamping tube A's motion again simultaneously.
Preferably, the two sides of the hollow column and one end of the hollow cylinder, which is close to the hollow column, are provided with vertical grooves, the inner parts of the vertical grooves are in sliding connection with the outer parts of the pressing plates, and the hollow cylinder and the vertical grooves of the hollow column facilitate the pressing plates to drive.
Preferably, the depth of the inside of the clamping tube B is smaller than the length of the outside of the clamping block, and the depth of the clamping tube B is smaller than the length of the clamping block, so that the clamping block can slightly descend at the bottom of the hollow column, and the spray head group is extruded to fully discharge the foam filling agent in the foam filling agent bottle.
Preferably, the nozzle group comprises a nozzle, the nozzle is communicated with the foam filler bottle, one end of the nozzle, which is close to the clamping pipe B, is communicated with the clamping pipe B through a hose, and the nozzle is matched with the hose to discharge foam filler in the foam filler bottle.
(III) beneficial effects
Compared with the prior art, the utility model provides a surface layer well wall collapse-preventing sleeve structure for compact oil drilling, which has the following beneficial effects:
1. according to the surface layer well wall anti-collapse sleeve structure for tight oil drilling, in the using process, one end of a sleeve group mounting clamping tube A is inserted into one end of a mounting clamping tube B, the clamping tube A is inserted into the clamping tube B, the clamping tube A is extruded into the hollow column through the slope design of the front face of the clamping block, meanwhile, the clamping tube A continues to move until the clamping block is inserted into the clamping groove and returns, in the process of disassembly, the locking mechanism is driven to rapidly unlock the sleeve group through the slope design of the top and the bottom of the clamping block, and the sleeve group is rapidly disassembled through rotating the sleeve group, so that the sleeve group can be rapidly assembled without an external tool, the assembling speed is improved, and the sleeve group is prevented from being excessively clamped to cause damage due to excessive clamping;
2. this compact oil is surface layer wall of a well casing structure that collapses for well drilling, the fixture block can descend through sliding plate drive clamp plate simultaneously by the extrusion in-process that descends, thereby the clamp plate that descends extrudees the shower nozzle group and makes the inside foam filler of foam filler bottle pour into between clamp pipe A and the clamp pipe B, thereby carry out quick seal between clamp pipe A and the clamp pipe B, increase the intensity between clamp pipe A and the clamp pipe B simultaneously, then improve the intensity of cover pipe group, avoid its in-process drilling collapse at fixed well drilling, improve its result of use.
Drawings
FIG. 1 is a schematic front view of the present utility model;
FIG. 2 is a schematic front view of a card tube B according to the present utility model;
fig. 3 is a front cross-sectional view of the locking mechanism of the present utility model.
In the figure: 1. a sleeve group; 2. a clamping pipe A; 3. a clamping groove; 4. a clamping pipe B; 5. a locking mechanism; 51. a hollow column; 52. a spring; 53. a sliding plate; 54. a clamping block; 6. a sealing mechanism; 61. a hollow cylinder; 62. a foam filler bottle; 63. a nozzle group; 64. and (5) pressing plates.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a technical scheme, a surface layer well wall collapse-preventing sleeve structure for tight oil drilling, which comprises the following components:
referring to fig. 1, a casing assembly 1 is provided for protecting a borehole wall in a drilling surface.
And the clamping tube A2 is arranged on the right side of the sleeve group 1 and used for assembling the sleeve group 1 by the connecting assembly, the clamping tube A2 is welded with the sleeve group 1, and the diameter of the clamping tube A2 is smaller than the inner diameter of the Yu Kaguan B4, so that the clamping tube A2 can be inserted into the clamping tube B4.
Referring to fig. 1, a clamping groove 3 is installed outside a clamping tube A2, and is used for connecting and assembling the clamping tube A2, the clamping groove 3 is equally spaced outside the clamping tube A2, the shape of the clamping groove 3 is matched with the shape of a clamping block 54, and the clamping groove 3 can be matched with a spring 52 to lock the clamping groove 3 and the clamping tube A2.
Referring to fig. 2, a clamping tube B4 is installed at the left side of the sleeve set 1 and is used for being connected with the clamping tube A2, and the clamping tube B4 is welded with the sleeve set 1.
And a locking mechanism 5 installed outside the clamp pipe B4 for connecting the clamp pipe B4 with the clamp pipe A2.
Referring to fig. 3, the locking mechanism 5 includes a hollow column 51, the hollow column 51 is equally spaced apart from the outside of the clamping tube B4, the outside of the clamping tube B4 is equally spaced apart from the outside of the clamping tube B4 to form notches for facilitating sliding of the clamping block 54, two sides of the hollow column 51 and one end of the hollow cylinder 61, which is close to the hollow column 51, are respectively provided with a vertical slot, the inside of the vertical slot is slidably connected with the outside of the pressing plate 64, and the hollow cylinder 61 and the vertical slot of the hollow column 51 facilitate driving of the pressing plate 64.
Referring to fig. 3, the hollow column 51 is connected to the clamping tube B4, one end of the hollow column 51, far away from the clamping tube B4, is connected to a driving sliding plate 53 through a spring 52, one end of the sliding plate 53, far away from the spring 52, is fixedly connected to a clamping block 54, the front surface of the clamping block 54 is close to the design that one end of the sliding plate 53 is high, one end of the clamping block 54 is close to the clamping tube B4 is low, and the top and the bottom of the clamping block 54 are in slope design.
Referring to fig. 3, the slope design on the front surface of the clamping block 54 makes the clamping block 54 retract during the descending process of the clamping block A2, meanwhile, the planar design on the back surface of the clamping block 54 can limit the movement of the clamping block A2, the depth of the inside of the clamping pipe B4 is smaller than the length of the outside of the clamping block 54, the depth of the clamping pipe B4 is smaller than the length of the clamping block 54, the clamping block 54 slightly descends at the bottom of the hollow column 51, so that the foam filling agent in the foam filling agent bottle 62 is completely discharged by the extrusion nozzle group 63, and the foam filling agent bottle 62 extrudes the foam filling agent through the internal pressure after extruding the nozzle group 63.
Referring to fig. 3, sealing mechanisms 6 are installed at both sides of the outside of the hollow column 51 for sealing between the clamping tube B4 and the clamping tube A2.
Referring to fig. 3, the sealing mechanism 6 includes a hollow cylinder 61, the hollow cylinder 61 is connected with the hollow column 51, one end of the hollow cylinder 61 far away from the clamping tube B4 is fixedly connected with a foam filler bottle 62 with foam filler inside, the structure of the non-electronic component part is improved based on the foam filler in the prior art, the foam filler bottle 62 is a common foam filler product popularized in the prior art, and the foam filler bottle 62 is connected with the clamping tube B4 through a spray head group 63.
Referring to fig. 3, the nozzle set 63 includes a nozzle capable of discharging foam filler, the nozzle is communicated with the foam filler bottle 62, one end of the nozzle close to the clamping tube B4 is communicated with the clamping tube B4 through a hose, the nozzle cooperates with the hose to discharge foam filler in the foam filler bottle 62, the outer part of the foam filler bottle 62 is sleeved with a platen 64 for driving the nozzle set 63 to move, and the platen 64 is connected with the sliding plate 53.
The working principle of the device is as follows: during the use, one end of the sleeve group 1 is inserted into the inside of one end of the mounting clamping tube B4, the clamping tube A2 is inserted into the inside of the clamping tube B4, the clamping block 54 is extruded to the inside of the hollow column 51 through the positive slope design of the clamping block 54, meanwhile, the clamping tube A2 continues to move until the clamping block 54 is inserted into the inside of the clamping groove 3 and returns, and simultaneously, the locking of the sleeve group 1 is rapidly released through the slope design of the top and the bottom of the clamping block 54 through the rotation of the sleeve group 1 and then the driving of the locking mechanism 5, and then the sleeve group 1 is rapidly disassembled, so that the sleeve group 1 can be rapidly assembled without an external tool, the assembly speed of the sleeve group 1 is improved, and the sleeve group 1 cannot be damaged due to excessive clamping of the outside.
The fixture block 54 can drive the clamp plate 64 to descend through the sliding plate 53 simultaneously by the extrusion in-process that descends, thereby the clamp plate 64 that descends extrudes shower nozzle group 63 and makes the inside foam filler of foam filler bottle 62 pour into between card pipe A2 and the card pipe B4 to carry out quick seal between card pipe A2 and the card pipe B4, increase the intensity between card pipe A2 and the card pipe B4 simultaneously, then improve the intensity of cover tube group 1, avoid its in-process drilling collapse at fixed well drilling, improve its result of use.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a compact oil is surface layer wall of a well anti-collapse sleeve pipe structure for well drilling which characterized in that includes:
the sleeve group (1) is used for protecting the surface well wall of the well;
the clamping tube A (2) is arranged on the right side of the sleeve group (1) and is used for assembling the sleeve group (1) by the connecting component;
the clamping groove (3) is arranged outside the clamping tube A (2) and is used for connecting and assembling the clamping tube A (2);
the clamping tube B (4) is arranged at the left side of the sleeve group (1) and is used for being connected with the clamping tube A (2);
the locking mechanism (5) is arranged outside the clamping tube B (4) and is used for connecting the clamping tube B (4) with the clamping tube A (2);
the locking mechanism (5) comprises a hollow column (51), the hollow column (51) is connected with the clamping tube B (4), one end, away from the clamping tube B (4), of the hollow column (51) is connected with a sliding plate (53) through a spring (52), and one end, away from the spring (52), of the sliding plate (53) is fixedly connected with a clamping block (54);
the sealing mechanisms (6) are arranged at two sides of the outer part of the hollow column (51) and are used for sealing between the clamping tube B (4) and the clamping tube A (2);
sealing mechanism (6) are including hollow section of thick bamboo (61), be connected between hollow section of thick bamboo (61) and hollow post (51), the inside one end fixedly connected with foam filler bottle (62) of keeping away from card pipe B (4) of hollow section of thick bamboo (61), be connected through shower nozzle group (63) between foam filler bottle (62) and card pipe B (4), clamp plate (64) have been cup jointed to the outside of foam filler bottle (62), be connected between clamp plate (64) and slide plate (53).
2. The surface layer well wall collapse prevention sleeve structure for tight oil drilling according to claim 1, wherein the sleeve structure is characterized in that: the clamping grooves (3) are formed in the outer portion of the clamping tube A (2) at equal intervals, and the shape of the clamping grooves (3) is matched with the shape of the clamping blocks (54).
3. The surface layer well wall collapse prevention sleeve structure for tight oil drilling according to claim 1, wherein the sleeve structure is characterized in that: the front of the clamping block (54) is close to the design that one end of the sliding plate (53) is high, and is close to the design that one end of the clamping tube B (4) is low, and the top and the bottom of the clamping block (54) are in slope design.
4. The surface layer well wall collapse prevention sleeve structure for tight oil drilling according to claim 1, wherein the sleeve structure is characterized in that: both sides of the hollow column (51) and one end of the hollow cylinder (61) close to the hollow column (51) are provided with vertical grooves, and the inside of each vertical groove is in sliding connection with the outside of the pressing plate (64).
5. The surface layer well wall collapse prevention sleeve structure for tight oil drilling according to claim 4, wherein the sleeve structure is characterized in that: the depth inside the clamping tube B (4) is smaller than the length outside the clamping block (54).
6. The surface layer well wall collapse prevention sleeve structure for tight oil drilling according to claim 1, wherein the sleeve structure is characterized in that: the spray head group (63) comprises spray heads, the spray heads are communicated with the foam filler bottles (62), and one end, close to the clamping tube B (4), of each spray head is communicated with the clamping tube B (4) through a hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322172578.2U CN220705649U (en) | 2023-08-11 | 2023-08-11 | Surface layer well wall anti-collapse sleeve structure for tight oil drilling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322172578.2U CN220705649U (en) | 2023-08-11 | 2023-08-11 | Surface layer well wall anti-collapse sleeve structure for tight oil drilling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220705649U true CN220705649U (en) | 2024-04-02 |
Family
ID=90450776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322172578.2U Active CN220705649U (en) | 2023-08-11 | 2023-08-11 | Surface layer well wall anti-collapse sleeve structure for tight oil drilling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220705649U (en) |
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2023
- 2023-08-11 CN CN202322172578.2U patent/CN220705649U/en active Active
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