CN112174025B - Double-platform hydraulic lifting casing device - Google Patents
Double-platform hydraulic lifting casing device Download PDFInfo
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- CN112174025B CN112174025B CN202011044037.6A CN202011044037A CN112174025B CN 112174025 B CN112174025 B CN 112174025B CN 202011044037 A CN202011044037 A CN 202011044037A CN 112174025 B CN112174025 B CN 112174025B
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- hydraulic
- platform
- lifting
- main frame
- sleeve
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/08—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a double-platform hydraulic lifting casing device, which belongs to the technical field of operation equipment and comprises a base platform, an upper lifting platform, a lifting hydraulic system and a lifting hydraulic cylinder arranged between the base platform and the upper lifting platform, wherein upright main frame upright posts are fixed above the base platform, and the top ends of the adjacent main frame upright posts are connected with a fixed cross beam; lifting hydraulic cylinders are fixedly connected on the base platform and inside the main frame upright posts, hydraulic cylinder push rods of the lifting hydraulic cylinders are connected with the bottom of the upper lifting platform, a double-wellhead platform is adopted, the occupied space is small, and the offshore operation platform is suitable for offshore operation environments; the hydraulic system is adopted to push the hydraulic cylinder to lift the top platform to replace a traveling system of the drilling rig for driving, the equipment is convenient to set, the construction procedure is effectively simplified, the operation success rate is improved, the defects of the prior art are effectively overcome, and the requirements of actual conditions are met.
Description
Technical Field
The invention belongs to the technical field of operation equipment, and particularly relates to a double-platform hydraulic lifting casing device.
Background
The development of the application of petroleum and natural gas has become the most major source of energy and production living materials in the world to date. Therefore, the exploitation of oil and gas is a fundamental well-developed industry all over the world, but how well the exploitation is, becomes a serious problem. In the prior art, after a well is abandoned, a workover rig or a drilling rig is generally used for lifting a casing to recover the casing, but the space of the offshore platform is limited, the occupied space is large when the drilling rig or the workover rig is used for carrying out operation, the processes are complex and various, and the operation efficiency is influenced, so that a double-platform hydraulic lifting casing device is needed to solve the problems.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a double-platform hydraulic lifting casing device.
The double-platform hydraulic lifting casing device comprises a base platform, an upper lifting platform, a lifting hydraulic system and a lifting hydraulic cylinder arranged between the base platform and the upper lifting platform, wherein upright main frame upright posts are fixed above the base platform, and the top ends of the adjacent main frame upright posts are connected with fixed cross beams; lifting hydraulic cylinders are fixedly connected on the base platform and inside the main frame upright posts, hydraulic cylinder push rods of the lifting hydraulic cylinders are connected with the bottom of the upper lifting platform, guide wheels which slide up and down are installed at positions of the upper lifting platform corresponding to the main frame upright posts, and an upper platform hydraulic slip and a lower platform hydraulic slip are respectively installed in the middle of the base platform and the upper lifting platform; the hydraulic system that lifts includes hydraulic pressure variable pump P, hydraulic pressure station diesel engine, hydraulic pressure cartridge formula check valve, electric hydraulic control servo valve, oil return filter and oil return radiator, hydraulic pressure station diesel engine passes through hydraulic pressure variable pump P or hydraulic pressure variable pump P and hydraulic pressure cartridge formula check valve one end intercommunication, the hydraulic pressure cartridge formula check valve other end and electric hydraulic control servo valve's one end intercommunication, the electric hydraulic control servo valve other end and the hydraulic cylinder intercommunication that lifts.
As a further improvement of the invention, the periphery of the outer part of the upper lifting platform is provided with a guardrail and a movable door.
As a further improvement of the invention, a lower limiting block of the upper lifting platform is arranged on the upright post of the main frame.
As a further improvement of the invention, the upper lifting platform is connected with the guide wheel through a fixing bolt III.
As a further improvement of the invention, the lifting hydraulic cylinder is connected with the base platform and the upper lifting platform through ear plates.
As a further improvement of the invention, the main frame upright post is fixedly connected with the fixed cross beam through a bolt I and fixedly connected with the base platform through a bolt II.
As a further improvement of the invention, an annular corridor is arranged outside the main frame upright post of the upper lifting platform, a guardrail is arranged on the annular corridor, and a support rod connected with the main frame upright post is arranged at the bottom of the annular corridor.
The double-platform hydraulic lifting casing device adopts the double-wellhead platform, occupies small space and is suitable for offshore operation environment; the hydraulic system is adopted to push the hydraulic cylinder to lift the top platform to replace a traveling system of the drilling rig for driving, the equipment is convenient to set, the construction procedure is effectively simplified, the operation success rate is improved, the defects of the prior art are effectively overcome, and the requirements of actual conditions are met.
Drawings
FIGS. 1 and 2 are schematic structural views of a double-platform hydraulic lifting casing device according to the present invention;
FIG. 3 is a schematic view of a high position configuration of the hydraulic slip of the present invention;
FIG. 4 is a schematic view of a low configuration of the hydraulic slip of the present invention;
fig. 5 is a schematic diagram of a hydraulic lift system of the present invention.
Detailed Description
As shown in figures 1 and 2, the double-platform hydraulic lifting sleeve device comprises a base platform 1, an upper lifting platform 2, a lifting hydraulic system and a lifting hydraulic cylinder 3 arranged between the base platform 1 and the upper lifting platform 2, wherein guardrails 10 and movable doors 11 are arranged on the outer periphery of the upper lifting platform 2 so as to facilitate the installation and replacement of the lifting hydraulic cylinder 3 and the upper lifting platform 2 do not need to bear during the sleeve cutting operation, 4 upright main frame columns 4 are fixed above the base platform 1 through bolts II 22, an annular corridor 23 is arranged outside the main frame columns 4 of the upper lifting platform 2, a guardrail 24 is arranged on the annular corridor 23, a lifting hydraulic system control panel and a hydraulic slip control panel are arranged on the annular corridor 23, the control panels are placed on the annular corridor 23 and do not move along with the upper lifting platform 2 during the operation, can ensure personnel's safety, the bottom in annular corridor 23 is equipped with the bracing piece 25 that is connected with main frame stand 4, installs upper portion lift platform 2's low level stopper 18 on main frame stand 4, passes through I21 fixed beam 5 of bolt on the top of adjacent main frame stand 4.
A lifting hydraulic cylinder 3 is fixed on the base platform 1 and inside the main frame upright post 4 through an ear plate 20, a hydraulic cylinder push rod 6 of the lifting hydraulic cylinder 3 is connected with the bottom of the upper lifting platform 2 through the ear plate 20, a guide wheel 7 which slides up and down is installed at the position of the upper lifting platform 2 corresponding to the main frame upright post 4, the guide wheel 7 is connected with the periphery of the upper lifting platform 2 through a fixing bolt III 26, when the deviation between the position of the guide wheel 7 and the position of the main frame upright post 4 is overlarge, the fixing bolt III 26 on the guide wheel 7 can be adjusted to ensure the smoothness of the sliding of the upper lifting platform 2, and an upper platform hydraulic slip 8 and a lower platform hydraulic slip 9 are respectively installed in the middle parts of the base platform 1 and the upper lifting platform 2; the lifting hydraulic system comprises a hydraulic variable pump P112, a hydraulic variable pump P213, a hydraulic station diesel engine 14, a hydraulic plug-in type one-way valve 15, an electro-hydraulic control servo valve 16, an oil return filter 17 and an oil return radiator 19, wherein the hydraulic station diesel engine 14 is communicated with one end of the hydraulic plug-in type one-way valve 15 through the hydraulic variable pump P112 or the hydraulic variable pump P213, the other end of the hydraulic plug-in type one-way valve 15 is communicated with one end of the electro-hydraulic control servo valve 16, and the other end of the electro-hydraulic control servo valve 16 is communicated with a lifting hydraulic cylinder 3; the whole set of system is 456cm long, 456cm wide, 850cm high, the annular corridor is 23 meters wide, the base platform 1 and the upper lifting platform 2 are provided with a base platform 37-1/2 '' through hole I28 and an upper lifting platform 37-1/2 '' through hole II 27, and 0#, 1#, 2# and 3# drilling rotary table bushing can be filled in the through hole I28 and the through hole II 27, so that casings of various specifications can pass through the through hole and can be matched with casing slips of various specifications to clamp the casings.
As shown in fig. 3 and 5, the platform raising process: the hydraulic slip control panel is operated to enable the upper platform hydraulic slip 8 of the upper lifting platform 2 to clamp the sleeve, the lower platform hydraulic slip 9 on the base platform 1 releases the sleeve, then the lifting hydraulic system control panel is operated, hydraulic pressure is evenly distributed to the lifting hydraulic cylinder 3 through the hydraulic plug-in type one-way valve 15 and the electro-hydraulic control servo valve 16 under the driving of the hydraulic station diesel engine 14 by the hydraulic system variable pump P112 or the hydraulic variable pump P213, the upper lifting platform 2 is driven to synchronously move upwards along the four main frame upright posts 4 under the control of the guide wheels 7 at the same speed until the upper lifting platform 2 rises to the upper limit position 150cm of the upper platform under the clamping of the upper platform hydraulic slip 8, at the moment, the hydraulic cylinder push rod 6 stops extending, and the lifting hydraulic system control panel enables the lifting hydraulic cylinder 3 to be in a pressure maintaining state. And simultaneously operating the hydraulic slip control disc to enable the hydraulic slips 9 of the lower platform to close the clamping sleeve.
As shown in fig. 4 and 5, the platform lowering process: the hydraulic slip control panel is operated to release the hydraulic slip 8 of the upper platform, the clamping of the sleeve is loosened, then the lifting hydraulic system control panel is operated to reverse the hydraulic circuit control, the hydraulic cylinder push rod 6 of the lifting hydraulic cylinder 3 retracts, the upper lifting platform 2 descends along with the lifting hydraulic cylinder 3 until the upper lifting platform 2 descends to the lower limiting block 18, the hydraulic system control panel is operated to enable the hydraulic system to be in a pressure maintaining state, and the hydraulic system control panel of the hydraulic slip is operated to enable the hydraulic slip 8 of the upper platform to act and clamp the sleeve. Repeating the above actions, the casing pipe also rises out of the well bottom along with the lifting of the upper lifting platform 2, the casing pipe is cut when the upper lifting platform 2 descends to the lower limiting block 18, the cut casing pipe is thrown away by means of an external machine tool, and the above operations are repeated until the casing pipe in the well is completely thrown away.
Claims (6)
1. A double-platform hydraulic lifting casing device comprises a base platform (1), an upper lifting platform (2), a lifting hydraulic system and a lifting hydraulic cylinder (3) arranged between the base platform (1) and the upper lifting platform (2), and is characterized in that 4 standing main frame upright posts (4) are fixed above the base platform (1), and the top ends of the adjacent main frame upright posts (4) are connected with a fixed cross beam (5); a lifting hydraulic cylinder (3) is fixedly connected on the base platform (1) and inside the main frame upright post (4), a hydraulic cylinder push rod (6) of the lifting hydraulic cylinder (3) is connected with the bottom of the upper lifting platform (2), a guide wheel (7) which slides up and down is installed at the position of the upper lifting platform (2) corresponding to the main frame upright post (4), and an upper platform hydraulic slip (8) and a lower platform hydraulic slip (9) are respectively installed in the middle of the base platform (1) and the upper lifting platform (2); the lifting hydraulic system comprises a hydraulic variable pump P1 (12), a hydraulic variable pump P2 (13), a hydraulic station diesel engine (14), a hydraulic plug-in type one-way valve (15), an electro-hydraulic control servo valve (16), an oil return filter (17) and an oil return radiator (19), wherein the hydraulic station diesel engine (14) is communicated with one end of the hydraulic plug-in type one-way valve (15) through the hydraulic variable pump P1 (12) or the hydraulic variable pump P2 (13), the other end of the hydraulic plug-in type one-way valve (15) is communicated with one end of the electro-hydraulic control servo valve (16), and the other end of the electro-hydraulic control servo valve (16) is communicated with a lifting hydraulic cylinder (3); a low-position limiting block (18) of the upper lifting platform (2) is arranged on the main frame upright post (4);
the lifting process is as follows:
the platform ascending process: operating a hydraulic slip control disc to enable an upper platform hydraulic slip (8) of an upper lifting platform (2) to clamp a sleeve, releasing the sleeve by a lower platform hydraulic slip (9) on a base platform (1), operating a lifting hydraulic system control disc, uniformly distributing hydraulic pressure to a lifting hydraulic cylinder (3) through a hydraulic plug-in type check valve (15) and an electro-hydraulic control servo valve (16) under the driving of a hydraulic station diesel engine (14) by a hydraulic system variable pump P1 (12) or a hydraulic variable pump P2 (13), driving the upper lifting platform (2) to synchronously move upwards along four main frame upright posts (4) under the control of a guide wheel (7) at the same speed by a hydraulic cylinder push rod (6) until the upper lifting platform (2) is lifted to an upper platform by a lower sleeve clamped by the upper platform hydraulic slip (8), simultaneously operating the hydraulic slip control panel to enable the hydraulic slips (9) of the lower platform to close the clamping sleeve;
a platform descending process: operating a hydraulic slip control disc to release a hydraulic slip (8) of an upper platform, loosening the clamping of a sleeve, operating a lifting hydraulic system control disc to reverse the hydraulic path control, retracting a hydraulic cylinder push rod (6) of a lifting hydraulic cylinder (3), descending an upper lifting platform (2) along with the lifting hydraulic cylinder (3) until the upper lifting platform (2) descends to a lower limit block (18), operating the hydraulic system control disc to enable a hydraulic system to be in a pressure maintaining state, and operating the hydraulic system control disc of the hydraulic slip to enable the hydraulic slip (8) of the upper platform to act to clamp the sleeve; repeating the above actions, the sleeve also rises out of the shaft bottom along with the lifting of the upper lifting platform (2), the sleeve is cut when the upper lifting platform (2) descends to the lower limiting block (18), the cut sleeve is thrown away by means of an external machine tool, and the above operations are repeated until the sleeve in the shaft is completely thrown away.
2. A double platform hydraulic lifting casing device according to claim 1, characterized in that the external circumference of the upper lifting platform (2) is provided with guardrails (10) and movable doors (11).
3. A double platform hydraulic lifting casing device according to claim 1 characterised in that the upper lifting platform (2) is connected to the guide wheel (7) by means of a fixing bolt iii (26).
4. A double platform hydraulic lifting sleeve device according to claim 1, characterised in that the lifting hydraulic cylinder (3) is connected to the base platform (1) and the upper lifting platform (2) via ear plates (20).
5. The double-platform hydraulic lifting sleeve device as claimed in claim 1, characterized in that the main frame columns (4) are fixedly connected with the fixed cross beams (5) through bolts I (21) and fixedly connected with the base platform (1) through bolts II (22).
6. A double platform hydraulic lifting casing device according to claim 1, characterized in that the outside of the main frame column (4) of the upper lifting platform (2) is provided with an annular corridor (23), the annular corridor (23) is provided with a guardrail (24), and the bottom of the annular corridor (23) is provided with a support bar (25) connected with the main frame column (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011044037.6A CN112174025B (en) | 2020-09-28 | 2020-09-28 | Double-platform hydraulic lifting casing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011044037.6A CN112174025B (en) | 2020-09-28 | 2020-09-28 | Double-platform hydraulic lifting casing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112174025A CN112174025A (en) | 2021-01-05 |
| CN112174025B true CN112174025B (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011044037.6A Active CN112174025B (en) | 2020-09-28 | 2020-09-28 | Double-platform hydraulic lifting casing device |
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| CN (1) | CN112174025B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201778687U (en) * | 2010-07-19 | 2011-03-30 | 宝鸡石油机械有限责任公司 | Workover rig under pressure for wellhead |
| CN102587825A (en) * | 2012-03-30 | 2012-07-18 | 中煤科工集团重庆研究院 | Linkage hydraulic system for fully hydraulic drilling machine for coal mines |
| CN207144860U (en) * | 2017-07-21 | 2018-03-27 | 松原市前进石油工程机械有限公司 | Free-standing gas well production rig with pressure |
| CN108798558B (en) * | 2018-06-27 | 2019-06-11 | 山东大学 | A kind of passive heave compensator of winch type master and its working method |
| CN109915103A (en) * | 2019-04-03 | 2019-06-21 | 美钻石油钻采系统工程（上海）有限公司 | A kind of continuous handling boring rod set for drilling well |
| CN112049583A (en) * | 2020-09-30 | 2020-12-08 | 四川硕智塔石油技术有限公司 | Hydraulic well repairing device |
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2020
- 2020-09-28 CN CN202011044037.6A patent/CN112174025B/en active Active
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