CN217602602U - Swift opening type lifts unfreezing device - Google Patents
Swift opening type lifts unfreezing device Download PDFInfo
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- CN217602602U CN217602602U CN202221600851.6U CN202221600851U CN217602602U CN 217602602 U CN217602602 U CN 217602602U CN 202221600851 U CN202221600851 U CN 202221600851U CN 217602602 U CN217602602 U CN 217602602U
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- open type
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Abstract
The utility model discloses a swift opening type lifts unfreezing device relates to oil drilling and workover equipment technical field, lift hydraulic pressure pipe clamp and the fixed hydraulic pressure pipe clamp of opening type including the opening type, the opening type lifts and is equipped with hydraulic cylinder lifting between hydraulic pressure pipe clamp and the fixed hydraulic pressure pipe clamp of opening type, hydraulic cylinder lifting's base and the fixed hydraulic pressure pipe clamp fixed connection of opening type, hydraulic pressure pipe clamp fixed connection is lifted with the opening type to hydraulic cylinder lifting's piston rod, the bottom fixedly connected with fixing support of the fixed hydraulic pressure pipe clamp of opening type. The quick opening type lifting unfreezing device solves the problems that various working conditions are generated after a tubular column is stuck in a well during workover treatment, and a minor workover rig cannot finish the problems.
Description
Technical Field
The utility model relates to an oil bores workover equipment technical field, specifically is a swift opening type lifts unfreezing device.
Background
When the oil well breaks down, the well repairing operation is carried out through the well repairing equipment. The following problems are liable to occur during the well repair process:
1. lifting the tubular column: when the pipe column in the well is stuck, the lifting force of the minor repair operation machine is insufficient, and the blockage releasing operation cannot be carried out; 2. and (3) pressing the pipe column down: when the pipe column in the well is stuck, the pipe column is lifted up, the stuck releasing effect is poor, and when the pipe column needs to be pressed down, the minor repair operation machine cannot be used; 3. and (3) performing anti-jacking operation on the pipe column: when the hanging weight of the pipe column is smaller than the upper jacking force, the pipe column can move upwards due to the upper jacking force, and the minor repair operation can not be carried out; 4. drilling plug anti-jacking operation: when a screw drilling tool is used for drilling and removing a underground cement plug, a certain high pressure is accumulated in a well due to long-term well sealing, and when the cement plug is drilled through, the well pressure can generate an upward jacking force on a drill column to enable the drill column to suddenly move upwards, so that accidents occur.
Therefore, it is necessary to provide a quick-opening type lifting and releasing device to solve the above problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
An object of the utility model is to provide a swift wafer-type lifts unfreezing device to produce various operating modes after the tubular column card well when solving the workover that proposes among the above-mentioned background art, the unable problem of accomplishing of workover rig for a short time.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a quick open type lifting and unfreezing device comprises an open type lifting hydraulic pipe clamping device and an open type fixed hydraulic pipe clamping device, wherein a lifting hydraulic cylinder is arranged between the open type lifting hydraulic pipe clamping device and the open type fixed hydraulic pipe clamping device, a base of the lifting hydraulic cylinder is fixedly connected with the open type fixed hydraulic pipe clamping device, a piston rod of the lifting hydraulic cylinder is fixedly connected with the open type lifting hydraulic pipe clamping device, and the bottom end of the open type fixed hydraulic pipe clamping device is fixedly connected with a fixed support;
the utility model discloses a hydraulic clamping device, including opening type lifting hydraulic clamping device and opening type fixed hydraulic clamping device, the equal fixedly connected with centre gripping pneumatic cylinder in both ends of casing, the inboard symmetrical sliding connection of casing has two grip blocks, be equipped with buffer block and slider between the piston rod of grip block and its adjacent centre gripping pneumatic cylinder, the equal fixedly connected with slips in one side that two grip blocks are adjacent, the business turn over mouth of pipe has all been seted up in one side middle part of fixing support and casing.
Preferably, the clamping block is fixedly connected with the sliding block through a bolt, the buffer block is fixedly connected with a piston rod of the clamping hydraulic cylinder, and the sliding block is fixedly connected with the buffer block.
Preferably, the inside of slips is equipped with non-slip raised, the slips passes through screw and grip block fixed connection.
Preferably, one end of each of the casing and the adjacent lifting hydraulic cylinder is fixedly connected with a C-shaped plate.
Preferably, the slips are arc-shaped, and the radian of the slips is matched with that of the pipeline.
Preferably, the number of the lifting hydraulic cylinders is two, and the two lifting hydraulic cylinders are symmetrically distributed between the open type lifting hydraulic pipe clamping device and the open type fixed hydraulic pipe clamping device.
Preferably, the lifting hydraulic cylinder is fixedly connected with the C-shaped plate through a bolt.
(III) advantageous effects
Compared with the prior art, the utility model provides a swift opening type lifts unfreezing device possesses following beneficial effect:
1. according to the rapid opposite-clamping type lifting unfreezing device, when a tubular column is lifted for operation, the device can be used for forcibly pulling the unfreezing device to complete the pulling of the tubular column; when the pipe column is pressed down, the device is matched with a workover rig to carry out pressing down operation and unfreezing; when the pipe column is in anti-jacking operation, the device is used for being matched with a minor repair operation machine to enable the pipe column to be lifted out in a controlled state, so that the device is safe and reliable; when the drill plug is used for anti-jacking operation, the device is matched with a small maintenance operation machine to perform the drill plug operation, so that the drill stem is driven to drill in a controlled state, and the device is safe and reliable.
2. The quick butt-clamping type lifting unfreezing device has the advantages that the inlet and outlet pipe orifices and the C-shaped plates are arranged, so that the oil pipe short circuit can be placed between the two slips from one side of the device, the oil pipe short circuit does not need to be placed from the top end of the device, the oil pipe short circuit is fixed more quickly, meanwhile, the structure is compact, the dismounting and the use are convenient, and the operation safety can be improved.
Drawings
FIG. 1 is a schematic sectional view of the structure of the present invention;
FIG. 2 is a schematic top sectional view of the structure of the present invention;
fig. 3 is a schematic top view of the C-shaped plate of the present invention.
In the figure: 1. an open type lifting hydraulic pipe clamping device; 2. a lifting hydraulic cylinder; 3. an open type fixed hydraulic pipe clamping device; 4. a fixed support; 5. a clamping hydraulic cylinder; 6. a housing; 7. a C-shaped plate; 8. anti-skid projections; 9. a buffer block; 10. a slider; 11. a clamping block; 12. an inlet and outlet pipe orifice; 13. slips.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a fast open type lifting stuck-releasing device comprises an open type lifting hydraulic pipe clamping device 1 and an open type fixed hydraulic pipe clamping device 3, wherein a lifting hydraulic cylinder 2 is arranged between the open type lifting hydraulic pipe clamping device 1 and the open type fixed hydraulic pipe clamping device 3, a base of the lifting hydraulic cylinder 2 is fixedly connected with the open type fixed hydraulic pipe clamping device 3, a piston rod of the lifting hydraulic cylinder 2 is fixedly connected with the open type lifting hydraulic pipe clamping device 1, the number of the lifting hydraulic cylinders 2 is two, the two lifting hydraulic cylinders 2 are symmetrically distributed between the open type lifting hydraulic pipe clamping device 1 and the open type fixed hydraulic pipe clamping device 3, and a fixed support 4 is fixedly connected with the bottom end of the open type fixed hydraulic pipe clamping device 3.
Hydraulic pressure pipe clamp 1 is lifted to opening type and fixed hydraulic pressure pipe clamp 3 of opening type all includes centre gripping hydraulic cylinder 5, casing 6 and grip block 11, the equal fixedly connected with centre gripping hydraulic cylinder 5 in both ends of casing 6, the inboard symmetrical sliding connection of casing 6 has two grip blocks 11, be equipped with buffer block 9 and slider 10 between the piston rod of grip block 11 and its adjacent centre gripping hydraulic cylinder 5, grip block 11 passes through bolt and slider 10 fixed connection, buffer block 9 and the piston rod fixed connection of centre gripping hydraulic cylinder 5, slider 10 and buffer block 9 fixed connection, the equal fixedly connected with slips 13 in one side that two grip blocks 11 are adjacent, the inboard of slips 13 is equipped with non-slip raised 8, slips 13 passes through screw and grip block 11 fixed connection, slips 13 is the arc, slips 13's radian and the radian looks adaptation of pipeline, business turn over mouth of pipe 12 has all been seted up in one side middle part of fixing support 4 and casing 6.
The shell 6 is fixedly connected with the C-shaped plate 7 at one end of the adjacent lifting hydraulic cylinder 2, the lifting hydraulic cylinder 2 is fixedly connected with the C-shaped plate 7 through bolts, and the structural strength of the lifting hydraulic cylinder can be improved through the arrangement of the C-shaped plate 7.
The working principle is as follows: when the device is used, the fixed support 4 is seated on a well head, the flange bolt is firmly connected, the device is connected with a hydraulic power source through a high-pressure hose, a hydraulic pump is started, actions of the test slips 13 and the lifting hydraulic cylinder 2 are performed, the device is penetrated through an oil pipe short circuit to be butted with a pipe column in a well, an operator operates and controls the device through an operation control valve group at the hydraulic power source, and the slips 13 are pushed to clamp and fix the oil pipe short circuit through the clamping hydraulic cylinder 5.
Lifting the tubular column: closing the open type lifting hydraulic pipe clamping device 1, clamping the short circuit of the oil pipe, lifting the hydraulic lifting cylinder 2 to the upper stop point to stop, lifting the pipe column for one stroke, closing the open type fixing hydraulic pipe clamping device 3, loosening the open type lifting hydraulic pipe clamping device 1, descending the hydraulic lifting cylinder 2 to the lower stop point, and completing one lifting work cycle. The above-mentioned circulation is repeated, and the pipe column can be continuously lifted up until the stuck pipe is removed.
And (3) pressing the pipe column: closing the open type fixed hydraulic pipe clamping device 3, opening the open type lifting hydraulic pipe clamping device 1, and lifting the lifting hydraulic cylinder 2 to an upper stop point; and closing the open type lifting hydraulic pipe clamping device 1, opening the open type fixing hydraulic pipe clamping device 3, descending the lifting hydraulic cylinder 2 to a lower dead point, and pressing the pipe column down for a stroke. The above cycle is repeated to continuously press the pipe column down until the pipe column is released from the stuck pipe.
And (3) preventing the top of the pipe column: closing the open type lifting hydraulic pipe clamping device 1, clamping the short circuit of the oil pipe, lifting the hydraulic lifting cylinder 2 to the upper stop point to stop, lifting the pipe column for one stroke, closing the open type fixing hydraulic pipe clamping device 3, loosening the open type lifting hydraulic pipe clamping device 1, descending the hydraulic lifting cylinder 2 to the lower stop point, and completing one lifting work cycle. The above circulation is repeated to continuously lift the pipe column, and the single oil pipe on the upper part is detached after the coupling is exposed. In the pipe lifting process, the pipe column cannot be jacked up and fly out when the slips 13 are clamped, so that the pipe column can be safely lifted out.
Drilling plug anti-jacking operation: after the screw drill is put into the well, the lifting hydraulic cylinder 2 rises to the upper stop point, the open type lifting hydraulic pipe clamping device 1 is closed, liquid is injected into the oil pipe to drive the screw drill to rotate, the lifting hydraulic cylinder 2 is slowly put down to apply drilling pressure for drilling, the open type fixing hydraulic pipe clamping device 3 is closed after the lifting hydraulic cylinder 2 reaches the lower stop point, the open type lifting hydraulic pipe clamping device 1 is opened, the lifting cylinder rises to the upper stop point, the open type lifting hydraulic pipe clamping device 1 is closed, the open type fixing hydraulic pipe clamping device 3 is opened, and drilling is continued until drilling is completed. In the whole process, the pipe column is always clamped by the open type lifting hydraulic pipe clamping device 1, and the drill column cannot fly out when the drilling pressure generates an upper jacking force on the drill column after drilling.
The operation is carried out according to the process, the problem of unfreezing during well repair is solved, meanwhile, the structure is compact, the disassembly and the use are convenient, the operation safety can be improved, compared with a butt-clamping type hydraulic pipe clamping device, the open type hydraulic pipe clamping device does not need to fix the shell during use, and the operation steps are fewer.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a swift open type lifts unfreezing device, lifts hydraulic pressure pipe clamp (1) and the fixed hydraulic pressure pipe clamp (3) of open type including the open type, its characterized in that: a lifting hydraulic cylinder (2) is arranged between the open type lifting hydraulic pipe clamping device (1) and the open type fixed hydraulic pipe clamping device (3), a base of the lifting hydraulic cylinder (2) is fixedly connected with the open type fixed hydraulic pipe clamping device (3), a piston rod of the lifting hydraulic cylinder (2) is fixedly connected with the open type lifting hydraulic pipe clamping device (1), and the bottom end of the open type fixed hydraulic pipe clamping device (3) is fixedly connected with a fixed support (4);
hydraulic pressure pipe clamp (1) is lifted to opening type and the fixed hydraulic pressure pipe clamp (3) of opening type all include centre gripping hydraulic cylinder (5), casing (6) and grip block (11), the equal fixedly connected with centre gripping hydraulic cylinder (5) in both ends of casing (6), the inboard symmetrical sliding connection of casing (6) has two grip blocks (11), be equipped with buffer block (9) and slider (10) between the piston rod of grip block (11) and its adjacent centre gripping hydraulic cylinder (5), the equal fixedly connected with slips (13) in one side that two grip blocks (11) are adjacent, business turn over mouth of pipe (12) have all been seted up in one side middle part of fixing support (4) and casing (6).
2. The quick-opening type lifting stuck freeing device according to claim 1, characterized in that: the clamping block (11) is fixedly connected with the sliding block (10) through a bolt, the buffer block (9) is fixedly connected with a piston rod of the clamping hydraulic cylinder (5), and the sliding block (10) is fixedly connected with the buffer block (9).
3. The quick-opening type lifting stuck freeing device according to claim 1, characterized in that: the inside of slips (13) is equipped with anti-skidding arch (8), slips (13) pass through screw and grip block (11) fixed connection.
4. The quick-opening type lifting and unfreezing device according to claim 1, characterized in that: the shell (6) and one end of the adjacent lifting hydraulic cylinder (2) are fixedly connected with a C-shaped plate (7).
5. The quick-opening type lifting stuck freeing device according to claim 1, characterized in that: the slips (13) are arc-shaped, and the radian of the slips (13) is matched with that of the pipeline.
6. The quick-opening type lifting stuck freeing device according to claim 1, characterized in that: the two lifting hydraulic cylinders (2) are symmetrically distributed between the open type lifting hydraulic pipe clamping device (1) and the open type fixed hydraulic pipe clamping device (3).
7. The quick-opening type lifting stuck freeing device according to claim 1, characterized in that: the lifting hydraulic cylinder (2) is fixedly connected with the C-shaped plate (7) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221600851.6U CN217602602U (en) | 2022-06-25 | 2022-06-25 | Swift opening type lifts unfreezing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221600851.6U CN217602602U (en) | 2022-06-25 | 2022-06-25 | Swift opening type lifts unfreezing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217602602U true CN217602602U (en) | 2022-10-18 |
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ID=83590098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221600851.6U Active CN217602602U (en) | 2022-06-25 | 2022-06-25 | Swift opening type lifts unfreezing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217602602U (en) |
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2022
- 2022-06-25 CN CN202221600851.6U patent/CN217602602U/en active Active
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