CN220596866U - Auxiliary device for operation in narrow space of failure of wellhead device - Google Patents
Auxiliary device for operation in narrow space of failure of wellhead device Download PDFInfo
- Publication number
- CN220596866U CN220596866U CN202322332369.XU CN202322332369U CN220596866U CN 220596866 U CN220596866 U CN 220596866U CN 202322332369 U CN202322332369 U CN 202322332369U CN 220596866 U CN220596866 U CN 220596866U
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- Prior art keywords
- wellhead
- small space
- wire rope
- space operation
- clamping part
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- 125000003003 spiro group Chemical group 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 3
- 238000007789 sealing Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model provides a narrow and small space operation auxiliary device of wellhead assembly inefficacy, includes the gripping head, and the gripping head rear end can be dismantled and be connected in the excavator, and the gripping head front end can be dismantled and be connected in the fixing base, and fixing base top spiro union has hydraulic winch, and fixing base front end welding has the arm of encorbelmenting, and the arm front end welding of encorbelmenting has the fixed pulley, twines wire rope in the hydraulic winch, wire rope sliding connection in the fixed pulley, and the wire rope front end is hung and is equipped with the lifting hook. The front end of the device penetrates into the upper part of the wellhead through the ejector rod, the lifting hook is lowered to finish stable moving lifting of wellhead devices such as the flashboard, the flat valve and the like, the problem of high labor intensity of personnel carrying is solved, and the operation requirement of a narrow space under the drill floor is met.
Description
Technical Field
The utility model relates to the technical field of overflow and blowout on-site rescue, in particular to an auxiliary device for operation in a narrow space when a wellhead device fails.
Background
The wellhead device is a key device for controlling blowout, and aims at the problems that after the wellhead device fails, such as overflow shut-in, a sealing cushion of a side door of the blowout preventer is punctured, a semi-sealing flashboard of the blowout preventer is punctured, a manual flat valve is punctured, and the like, the semi-sealing flashboard of the blowout preventer and the sealing cushion of the side door need to be replaced under pressure, and under the fire and explosion protection requirements, the power equipment of a well team is completely stopped.
The space below the drill floor is narrow, the clearance height that can work is very low, the situation of the blowout emergency operation site is changeable, and a practical, simple, flexible and practical tool is manufactured and customized according to the actual requirement of the site situation.
At present, the lifting wellhead device is mainly lifted by an operator through using a high-hanging chain block, and then the wellhead device is replaced in a manual carrying mode, so that the existing replacement mode is dangerous and consumes manpower, and the labor intensity is high and the speed is low.
Disclosure of Invention
The utility model aims to overcome the defects of the conditions, and aims to provide the auxiliary device for the operation in the narrow space, which is used for failure of the wellhead device, and the replacement of the wellhead device can be rapidly completed in a mechanical auxiliary mode.
The utility model provides a well head device inefficacy narrow and small space operation auxiliary device which characterized in that: including the gripping head, the gripping head rear end can be dismantled and be connected in the excavator, the gripping head front end can be dismantled and be connected in the fixing base, fixing base top spiro union has hydraulic winch, fixing base front end rigid coupling has the arm of encorbelmenting, the arm front end rigid coupling of encorbelmenting has the fixed pulley, the winding has wire rope in the hydraulic winch, wire rope sliding connection is in the fixed pulley, the wire rope front end is hung and is equipped with the lifting hook.
Further, the clamping head comprises a front clamping part and two connecting plates, and the front ends of the connecting plates are fixedly connected with the rear ends of the front clamping parts.
Further, the front clamping part is of a square half-opening structure, the front end of the front clamping part is provided with a positioning groove, and a stiffening plate is fixedly connected between the adjacent inner walls of the rear end of the front clamping part.
Further, the side wall of the connecting plate is fixedly connected with a stiffening plate at the rear end of the front clamping part, two first connecting holes are formed in the connecting plate, and the first connecting holes are connected with the excavator through a bucket shaft pin.
Further, the fixing seat is a shell with an opening at the rear end, second connecting holes are formed in two side walls of the fixing seat, and the second connecting holes are connected with the positioning grooves through pins.
Further, the hydraulic winch is connected with the excavator through a hydraulic pipeline.
Further, the cantilever arm is divided into a top rod, a bottom rod and a supporting rod, the supporting rod is fixedly connected between the top rod and the bottom rod, and the cantilever arm is of a diagonal triangle structure.
Further, a wire stroking device is clamped on the ejector rod, a threading hole is formed in the upper end of the wire stroking device, and the steel wire rope penetrates through the threading hole.
Further, the lifting hook is connected with a hanging belt or a hanging chain to hoist the wellhead device.
Compared with the prior art, the utility model has the beneficial effects that:
(1) the front end of the device penetrates into the upper part of the wellhead through the ejector rod, the lifting hook is lowered to finish stable moving lifting of wellhead devices such as the flashboard, the flat valve and the like, the problem of high labor intensity of personnel carrying is solved, and the operation requirement of a narrow space under the drill floor is met.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of a wellhead failure small space operation auxiliary device.
FIG. 2 is a view of the state of use of the wellhead failure small space work auxiliary device.
Fig. 3 is an enlarged view at a in fig. 2.
In the figure: 1. a clamping head; 11. a front clamping part; 111. a positioning groove; 12. a connecting plate; 121. a first connection hole; 13. stiffening plates; 2. an excavator; 21. bucket axle pin; 3. a fixing seat; 31. a second connection hole; 32. a pin; 4. a hydraulic winch; 41. a hydraulic line; 5. a wire rope; 6. a cantilever arm; 61. a push rod; 611. a wire stroking device; 62. a bottom bar; 63. a support rod; 7. a fixed pulley; 8. a lifting hook; 9. a wellhead assembly.
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.
As shown in fig. 1-3, the auxiliary device for the operation in the narrow space with the failure of the wellhead device comprises a clamping head 1, wherein the rear end of the clamping head 1 is detachably connected to an excavator 2, the front end of the clamping head 1 is detachably connected to a fixed seat 3, the top of the fixed seat 3 is in threaded connection with a hydraulic winch 4, the front end of the fixed seat 3 is welded with an overhanging arm 6, the front end of the overhanging arm 6 is welded with a fixed pulley 7, a steel wire rope 5 is wound in the hydraulic winch 4, the steel wire rope 5 is in sliding connection with the fixed pulley 7, and a lifting hook 8 is hung at the front end of the steel wire rope 5.
The clamping head 1 comprises a front clamping part 11 and two connecting plates 12, wherein the front ends of the connecting plates 12 are welded at the rear ends of the front clamping part 11, the distance between the two connecting plates 12 is 450mm, and the materials of the front clamping part 11 and the connecting plates 12 are steel plates with the thickness of 40 mm.
The front clamping part 11 is of a square half-opening structure, the front end of the front clamping part 11 is provided with the positioning groove 111, the positioning groove 111 is downwards formed in the top of the side wall of the front clamping part 11, the bottom of the positioning groove 111 is arc-shaped, the stiffening plate 13 is welded between the adjacent inner walls of the rear end of the front clamping part 11, the stiffening plate 13 is used for reinforcing the connection between the side walls of the front clamping part 11, and the front clamping part 11 is prevented from being deformed due to overlarge stress during operation.
The stiffening plate 13 is welded on the side wall of the connecting plate 12 and the rear end of the front clamping part 11 in the same way, so that the connecting plate 12 is prevented from deforming during operation, the connecting plate 12 is provided with two first connecting holes 121, the first connecting holes 121 are connected with the excavator 2 through the excavator shaft pins 21, the excavator shaft pins 21 are inserted into the first connecting holes 121 and the excavator 2 to complete connection, assembly and disassembly are rapid and convenient, and assembly can be performed rapidly during emergency.
The fixing base 3 is a shell with an opening at the rear end, a cavity is formed in the fixing base 3, second connecting holes 31 are formed in two side walls of the fixing base 3, when the fixing base is assembled, the front clamping part 11 is inserted from the opening at the rear end of the fixing base 3, the positioning groove 111 is aligned with the second connecting holes 31, pins 32 are inserted between the second connecting holes 31 and the positioning groove 111, the fixing base 3 is connected with the front clamping head 1, the side walls of the fixing base 3 limit the movement of the front clamping part 11 in the up-down left-right direction, and the pins 32 limit the front-rear displacement of the front clamping part 11.
Four bolt holes are formed in the top of the fixed seat 3, and the bottom of the hydraulic winch 4 is tightly connected with the top of the fixed seat 3 through bolts.
The hydraulic winch 4 adopts YZS-2.0 type, the output pressure is 16Mpa, the hydraulic winch 4 is connected with the excavator 2 through a hydraulic pipeline 41, the excavator 2 provides power for the hydraulic winch 4 through the hydraulic pipeline 41, and the expansion and contraction of the steel wire rope 5 in the hydraulic winch 4 are regulated, so that the lifting of the wellhead device 9 is completed.
Cantilever arm 6 divide into ejector pin 61, sill bar 62 and bracing piece 63, and the welding has bracing piece 63 between ejector pin 61 and the sill bar 62, and cantilever arm 6 is to one side triangle structure, and triangle structure's bracing piece 63 makes the connection between ejector pin 61 and the sill bar 62 more stable, can bear the demand that weight satisfies the well head hoist and mount, and cantilever arm 6's overall length is 4300mm, and the width is 680mm, can stretch into the narrow and small space of well head top with ejector pin 61 horizontal direction when using and carry out the handling operation.
The wire stroking device 611 is clamped on the ejector rod 61, a threading hole is formed in the upper end of the wire stroking device 611, the steel wire rope 5 passes through the threading hole, and the wire stroking device 611 prevents the steel wire rope 5 from winding the cantilever arm 6 to cause use faults when in use, and the diameter of the steel wire rope 5 is 12mm.
The lifting hook 8 with the effective load of 3.15 tons, the length of 255mm and the weight of 1.71kg is adopted to meet the requirement of automatically lowering the weight, the lifting hook 8 is connected with a hanging belt or a hanging chain to hoist the wellhead device 9, and after the wellhead device 9 is bound and fixed by the hanging belt or the hanging chain, the wellhead device 9 is hoisted by contracting the steel wire rope 5.
Wellhead 9 is typically a blowout preventer side door sealing pad, a blowout preventer half-seal ram, or a manual plate valve.
The device goes deep to the top of the wellhead through the front end of the ejector rod 61, and the lifting hook 8 is lowered to finish stable moving lifting of the wellhead devices 9 such as the flashboard, the flat valve and the like, so that the problem of high labor intensity of personnel carrying is solved, and the operation requirement of a narrow space under a drill floor is met.
Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (9)
1. The utility model provides a well head device inefficacy narrow and small space operation auxiliary device which characterized in that: including clamping head (1), clamping head (1) rear end can be dismantled and be connected in excavator (2), clamping head (1) front end can be dismantled and be connected in fixing base (3), fixing base (3) top spiro union has hydraulic winch (4), fixing base (3) front end rigid coupling has cantilever arm (6), cantilever arm (6) front end rigid coupling has fixed pulley (7), the winding has wire rope (5) in hydraulic winch (4), wire rope (5) sliding connection is in fixed pulley (7), wire rope (5) front end is hung and is equipped with lifting hook (8).
2. The wellhead failure small space operation assisting device as set forth in claim 1, wherein: the clamping head (1) comprises a front clamping part (11) and two connecting plates (12), wherein the front ends of the connecting plates (12) are fixedly connected with the rear ends of the front clamping part (11).
3. The wellhead failure small space operation aid of claim 2, wherein: the front clamping part (11) is of a square half-opening structure, a positioning groove (111) is formed in the front end of the front clamping part (11), and a stiffening plate (13) is fixedly connected between the adjacent inner walls of the rear end of the front clamping part (11).
4. A wellhead failure small space operation aid as claimed in claim 3, wherein: the side wall of the connecting plate (12) is fixedly connected with a stiffening plate (13) at the rear end of the front clamping part (11), two first connecting holes (121) are formed in the connecting plate (12), and the first connecting holes (121) are connected with the excavator (2) through excavator shaft pins (21).
5. The wellhead failure small space operation aid of claim 4, wherein: the fixing seat (3) is a shell with an opening at the rear end, second connecting holes (31) are formed in two side walls of the fixing seat (3), and the second connecting holes (31) are connected with the positioning grooves (111) through pins (32).
6. The wellhead failure small space operation aid of claim 5, wherein: the hydraulic winch (4) is connected with the excavator (2) through a hydraulic pipeline (41).
7. The wellhead failure small space operation aid as claimed in claim 6, wherein: the cantilever arm (6) is divided into a top rod (61), a bottom rod (62) and a supporting rod (63), the supporting rod (63) is fixedly connected between the top rod (61) and the bottom rod (62), and the cantilever arm (6) is of a diagonal triangle structure.
8. The wellhead failure small space operation aid of claim 7, wherein: the wire straightening device (611) is clamped on the ejector rod (61), a threading hole is formed in the upper end of the wire straightening device (611), and the steel wire rope (5) passes through the threading hole.
9. The wellhead failure small space operation aid of claim 8, wherein: the lifting hook (8) is connected with a hanging belt or a hanging chain to hoist the wellhead device (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322332369.XU CN220596866U (en) | 2023-08-30 | 2023-08-30 | Auxiliary device for operation in narrow space of failure of wellhead device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322332369.XU CN220596866U (en) | 2023-08-30 | 2023-08-30 | Auxiliary device for operation in narrow space of failure of wellhead device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220596866U true CN220596866U (en) | 2024-03-15 |
Family
ID=90174171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322332369.XU Active CN220596866U (en) | 2023-08-30 | 2023-08-30 | Auxiliary device for operation in narrow space of failure of wellhead device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220596866U (en) |
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2023
- 2023-08-30 CN CN202322332369.XU patent/CN220596866U/en active Active
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