CN114575764A - Detachable workover rig multifunctional automatic working platform and working method thereof - Google Patents
Detachable workover rig multifunctional automatic working platform and working method thereof Download PDFInfo
- Publication number
- CN114575764A CN114575764A CN202210181660.9A CN202210181660A CN114575764A CN 114575764 A CN114575764 A CN 114575764A CN 202210181660 A CN202210181660 A CN 202210181660A CN 114575764 A CN114575764 A CN 114575764A
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- platform
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- workover rig
- platform frame
- detachable
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000009434 installation Methods 0.000 claims description 11
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 4
- 238000000926 separation method Methods 0.000 claims description 4
- 238000005086 pumping Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 239000003129 oil well Substances 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Images
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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/10—Slips; Spiders ; Catching devices
-
- 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
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/16—Connecting or disconnecting pipe couplings or joints
- E21B19/161—Connecting or disconnecting pipe couplings or joints using a wrench or a spinner adapted to engage a circular section of pipe
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a multifunctional automatic working platform of a detachable workover rig, which comprises a platform frame, wherein four corners of the lower surface of the platform frame are respectively connected with a supporting leg oil cylinder, a sucker rod power tong and an oil pipe power tong are slidably connected to the upper surface of the platform frame, a grabbing mechanism and a centralizer are arranged on the upper surface of the platform frame, a connecting seat is arranged below the platform frame, slips are arranged on the upper surface of the connecting seat, and the platform frame is detachably connected with a host machine upper vehicle through a connecting pin. The invention also discloses a working method of the multifunctional automatic working platform of the detachable workover rig. The detachable workover rig multifunctional automatic working platform and the working method thereof provided by the invention can realize automatic operation, greatly simplify the manual configuration of workover operation, improve the construction efficiency and simultaneously ensure the positioning precision.
Description
Technical Field
The invention relates to a multifunctional automatic working platform of a detachable workover rig and a working method thereof, belonging to the technical field of full-automatic workover rigs.
Background
In various constructions of oil and natural gas exploration and development, well repair operation is an important link, oil, gas and water wells can break down at any time in the processes of self-blowing, oil pumping, water injection and gas injection, so that the production reduction and even production stop of an oil well are caused, after the faults occur, the normal production of the oil well can be recovered only by performing underground operation, replacing equipment and adjusting the parameters of the oil well, and a well repair machine is used as mechanical equipment for completing the operations and is widely applied to oil and gas well service for a long time.
At present, the well repairing machine widely applied mostly comprises working devices such as a shackle power tong, a slip and an elevator, but the working devices are positioned and used by manpower, various functions are not well integrated, the requirement on the labor workload of the manpower is high, and more personnel are required to be equipped; in the process of locating and centering the working device (centering a wellhead), most working platforms adopt a mode of fixedly connecting the host, so that the locating is carried out by the movement of the host in the process of centering, the locating is carried out by experience, and the precision is difficult to ensure; the part disposes the workover rig that snatchs the mechanism, will snatch the mechanism and place at frame, mast or independent setting more, needs the secondary centering in the use, influences the efficiency of construction greatly.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a multifunctional automatic working platform of a detachable workover rig and a working method thereof, which can realize automatic operation, greatly simplify the manual configuration of workover treatment, improve the construction efficiency and ensure the positioning precision.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
the utility model provides a multi-functional automatic work platform of detachable workover rig, includes the platform frame, four corners department is connected with the landing leg hydro-cylinder respectively below the platform frame, sliding connection has sucker rod power pincers and oil pipe power pincers above the platform frame, be provided with above the platform frame and snatch mechanism and centralizer, platform frame below is provided with the connecting seat, be provided with the slips above the connecting seat, the platform frame is gone up the car through connecting pin and host computer and can be dismantled the connection.
Four positioning plates are arranged on the platform frame, and the positioning plates are connected with the connecting seats through connecting pin shafts.
The oil pipe power tongs are embedded into the first sliding frame and connected with the first sliding frame oil cylinder; and the platform frame is provided with a second sliding frame and a second sliding frame oil cylinder, and the sucker rod power tongs are embedded into the second sliding frame and connected with the second sliding frame oil cylinder.
The platform frame is provided with a grabbing structure mounting seat used for mounting the grabbing mechanism, and the grabbing mechanism is mounted on the grabbing structure mounting seat through bolts.
The platform frame is provided with a lifting lug.
The slips are fixed on the connecting seat through bolts.
The connecting seat is connected with the wellhead blowout preventer through a bolt, and the connecting seat is positioned with the wellhead frame positioning plate through a pin shaft.
The supporting leg oil cylinder is installed below the platform frame through a pin shaft.
The centralizer is installed on the platform frame through bolts.
A working method of a multifunctional automatic working platform of a detachable workover rig comprises the following steps:
when the equipment is transferred, the platform frame is fixed at the tail part of the self-propelled workover rig through the connecting pin and transported together, and when the equipment reaches a workover well site, the workover rig is placed near a well head with the working platform by the self-propelled function of the workover rig, and coarse adjustment and positioning are carried out;
after coarse adjustment and positioning, hoisting the connecting seat, and installing the connecting seat on a wellhead blowout preventer stack to realize positioning and installation of the connecting seat;
then the connecting pin is pulled out to realize the separation of the platform frame and the workover rig main body;
the platform frame is hoisted, the platform frame and the connecting seat are centered, the platform frame and the connecting seat are connected and fixed, the platform frame is positioned and installed, and the supporting leg oil cylinder is used for fixing, so that centering work is completed;
after positioning is finished, the slips are hoisted and placed on the connecting seat, and positioning and installation of the slips are completed;
when the oil pipe and the sucker rod are hoisted, the slips are started to be gripped, the grabbing mechanism grabs and places the slips in the drill rod box after the slips are completely disassembled by the shackle tongs, and when the sucker rod is lowered, the slips are grabbed by the grabbing mechanism and then positioned at a well mouth, and the slips and the shackle tongs are respectively used for installation;
when the sucker rod is pulled out and put down, the oil pipe power tongs translate to realize accurate centering and then complete the operation of tripping or connecting.
The invention has the beneficial effects that: according to the detachable workover rig multifunctional automatic working platform and the working method thereof, the working platform, the modularized connecting seat and the positioning pin are detachably connected, so that the working platform can be independently and accurately positioned, and efficient and accurate centering positioning operation is realized; the breakout power tongs adopt an oil cylinder sliding frame type structure to realize one-key switching of working devices when an oil pipe and an oil pumping rod are hoisted, so that efficient, simple and convenient centering of the diagonal tongs is realized; the grabbing mechanism is arranged on the working platform, secondary centering is not needed, and the drilling rod is more convenient and faster to pull up and put down; and the oil drain cylinder is lifted and lowered through the centralizer to be supported, so that the shaking amount is reduced, and the operation is easier. To sum up, all the functions are integrated on the platform, all the procedures of the whole platform only need to be centered once, and the automatic operation can be realized by the subsequent shackle and drill rod lifting, so that the manpower configuration of the well repair operation is greatly simplified, and the construction efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of a detachable workover rig multifunctional automatic work platform according to the present invention;
FIG. 2 is a schematic structural view of a platform shelf according to the present invention;
FIG. 3 is a schematic view of a connecting socket according to the present invention;
FIG. 4 is a schematic structural view of a grasping mechanism according to the present invention;
fig. 5 is a schematic structural view of the centralizer of the present invention.
The reference numbers in the figures are as follows: 1-a platform frame; 2-slips; 3-a connecting seat; 4-sucker rod power tongs; 5-oil pipe power tongs; 6-connecting pin; 7-a support oil cylinder; 8-a gripping mechanism; 9-a centralizer; 11-connecting a pin shaft; 12-a first carriage; 13-a second carriage; 14-a first carriage cylinder; 15-a second carriage cylinder; 16-a grasping structure mount; 17-a lifting lug; and 18, positioning the plate.
Detailed Description
The present invention is further described with reference to the accompanying drawings, and the following examples are only for clearly illustrating the technical solutions of the present invention, and should not be taken as limiting the scope of the present invention.
As shown in fig. 1 to 5, the invention provides a multifunctional automatic working platform of a detachable workover rig, which comprises a platform frame 1, wherein a lifting lug 17 is arranged on the platform frame 1. The four corners below the platform frame 1 are respectively connected with a supporting leg oil cylinder 7, the supporting leg oil cylinder 7 is installed at the lower part of the platform frame 1 through a pin shaft, after the platform frame 1 is positioned with the connecting seat 3 through the positioning plate 18, the supporting leg oil cylinder 7 is stretched out and fixed, and the working load is transmitted to the ground through the supporting leg oil cylinder 7. Four positioning plates 18 are arranged on the platform frame 1, and the positioning plates 18 are connected with the connecting base 3 through connecting pin shafts 11. After the platform frame is separated from the host platform 1, the platform is lifted to fall on the connecting seat 3, and the positioning plate 18 and the connecting seat 3 are positioned and inserted through the connecting pin shaft 11.
The sucker rod power tong 4 and the oil pipe power tong 5 are connected to the upper surface of the platform frame 1 in a sliding manner, and the grabbing mechanism 8 and the centralizer 9 are arranged on the upper surface of the platform frame 1. The platform frame 1 is provided with a grabbing structure mounting seat 16 for mounting the grabbing mechanism 8, and the grabbing mechanism 8 is mounted on the grabbing structure mounting seat 16 through bolts. The centralizer 9 is mounted on the platform frame 1 by bolts.
Connecting seat 3 is provided with below the platform frame 1, and connecting seat 3 passes through bolted connection together with the well head preventer, and connecting seat 3 fixes a position through round pin axle and well head frame locating plate. Slips 2 are arranged on the connecting base 3, and the slips 2 are fixed on the connecting base 3 through bolts. The slips 2 and the connecting seat 3 are detached in a modularized mode and are respectively installed and connected during working. Platform frame 1 can dismantle with the last rear of a vehicle portion of host computer through connecting pin 6 and be connected, the dismantlement and the separation of getting on the bus on the realization and the host computer. When the working platform works, after the host is positioned, the working platform is separated from the host frame by pulling down the connecting pin 6; when the device is transferred, the connection with the host machine is realized by installing the connecting pin 6, and the device is transferred together.
The platform frame 1 is provided with a first sliding frame 12 and a first sliding frame oil cylinder 14, the oil pipe power tongs 5 are embedded in the first sliding frame 12 and connected with the first sliding frame oil cylinder 14, and the oil pipe power tongs 5 are pushed to move along the first sliding frame 12 through the first sliding frame oil cylinder 14. The platform frame 1 is provided with a second sliding frame 13 and a second sliding frame oil cylinder 15, the sucker rod power tong 4 is embedded in the second sliding frame 13 and connected with the second sliding frame oil cylinder 15, and the sucker rod power tong 4 is pushed to move along the second sliding frame 13 through the second sliding frame oil cylinder 15.
The working process of the invention is as follows: when the equipment is transferred, the platform frame 1 is fixed at the tail part of the self-propelled workover rig through the connecting pin 6 and transported together. When the workover rig arrives at a workover well site, the workover rig carries a working platform to be placed near a wellhead through the self-propelled function of the workover rig, and coarse adjustment and positioning are carried out;
after coarse adjustment and positioning, hoisting the connecting seat 3, and installing the connecting seat 3 on a wellhead blowout preventer stack by adopting bolts to realize positioning and installation of the connecting seat 3;
then the connecting pin 6 is pulled out to realize the separation of the platform frame 1 and the workover rig main body;
After the positioning is finished, the slips 2 are lifted and placed on the connecting seat 3, and installation connection is carried out through the reserved bolt holes, so that the positioning and installation of the slips 2 are completed.
When the oil pipe and the sucker rod are hoisted, the slip 2 is started to be tightly gripped, and the grabbing mechanism 8 grabs and places the slip in the drill rod box after the slip is completely dismantled by using the shackle tongs; when the sucker rod is lowered, the grabbing mechanism 8 grabs the well head and then positions the well head and installs the well head by using the tripping pliers and the slips 2 respectively.
When the oil pipe is pulled out and put in, the oil pipe power tongs 5 are pushed out to the large sliding frame limit position along the large sliding frame 12 by using the large sliding frame oil cylinder 14, so that accurate centering is realized, and then the tripping or connecting work is completed. When the sucker rod is pulled up and put down, the oil pipe power tong 6 is pushed out to the position of the second sliding frame 13 to realize accurate centering by using the small sliding frame oil cylinder 15 along the small sliding frame 13, and then the operation of shackle or connection is completed.
When grabbing oil pipe or sucker rod, owing to snatch 8 integration on work platform of mechanism, need not the secondary centering, through predetermineeing, the location that a key operation can realize snatching the mechanism snatchs.
When the oil drain pipe or the sucker rod is lifted, the centering is carried out through the centering device 9, the shaking amount is reduced, and the grabbing efficiency is improved.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (10)
1. The utility model provides a multi-functional automatic work platform of detachable workover rig which characterized in that: including platform frame (1), four corners department is connected with landing leg hydro-cylinder (7) respectively below platform frame (1), sliding connection has sucker rod power pincers (4) and oil pipe power pincers (5) above platform frame (1), be provided with above platform frame (1) and snatch mechanism (8) and centralizer (9), platform frame (1) below is provided with connecting seat (3), be provided with slips (2) above connecting seat (3), platform frame (1) can be dismantled with the host computer upper truck through connecting pin (6) and is connected.
2. The multifunctional automatic working platform of the detachable workover rig according to claim 1, wherein: four positioning plates (18) are arranged on the platform frame (1), and the positioning plates (18) are connected with the connecting seats (3) through connecting pin shafts (11).
3. The multifunctional automatic working platform of the detachable workover rig according to claim 1, wherein: the oil pipe power tongs are characterized in that a first sliding frame (12) and a first sliding frame oil cylinder (14) are arranged on the platform frame (1), and the oil pipe power tongs (5) are embedded in the first sliding frame (12) and connected with the first sliding frame oil cylinder (14); the platform frame (1) is provided with a second sliding frame (13) and a second sliding frame oil cylinder (15), and the sucker rod power tongs (4) are embedded in the second sliding frame (13) and connected with the second sliding frame oil cylinder (15).
4. The multifunctional automatic working platform of the detachable workover rig according to claim 1, wherein: be provided with on platform frame (1) and be used for the installation snatch structure mount pad (16) snatching of mechanism (8), it installs on snatching structure mount pad (16) through the bolt to snatch mechanism (8).
5. The multifunctional automatic working platform of the detachable workover rig according to claim 1, wherein: lifting lugs (17) are arranged on the platform frame (1).
6. The multifunctional automatic working platform of the detachable workover rig according to claim 1, wherein: the slips (2) are fixed on the connecting seat (3) through bolts.
7. The multifunctional automatic working platform of the detachable workover rig according to claim 1, wherein: the connecting seat (3) is connected with the wellhead blowout preventer through a bolt, and the connecting seat (3) is positioned with the wellhead frame positioning plate through a pin shaft.
8. The multifunctional automatic working platform of the detachable workover rig according to claim 1, wherein: the supporting leg oil cylinder (7) is installed below the platform frame (1) through a pin shaft.
9. The multifunctional automatic working platform of the detachable workover rig according to claim 1, wherein: the centralizer (9) is installed on the platform frame (1) through bolts.
10. A method of operating a multifunctional automatic working platform of a detachable workover rig according to any one of claims 1 to 9, comprising: the method comprises the following steps:
when the equipment is transferred, the platform frame (1) is fixed at the tail part of the self-propelled workover rig through a connecting pin (6) and transported together, and when the equipment reaches a workover well site, the workover rig is placed near a wellhead with a working platform through the self-propelled function of the workover rig, and coarse adjustment and positioning are carried out;
after coarse adjustment and positioning, hoisting the connecting seat (3), and installing the connecting seat (3) on a wellhead blowout preventer stack to realize positioning and installation of the connecting seat (3);
then the connecting pin (6) is pulled out to realize the separation of the platform frame (1) and the workover rig main body;
the platform frame (1) is lifted, the platform frame (1) and the connecting seat (3) are centered, the platform frame (1) and the connecting seat (3) are connected and fixed, positioning and installation of the platform frame (1) are achieved, a supporting leg oil cylinder (7) is used for fixing, and centering work is completed;
after positioning is finished, the slips (2) are lifted and placed on the connecting seat (3), and positioning and installation of the slips (2) are completed;
when the oil pipe and the sucker rod are lifted, the slips (2) are started to be tightly gripped, the grabbing mechanism (8) grabs and places the slips in a drill rod box after the dismounting by the shackle tongs is finished, and when the sucker rod is lowered, the grabbing mechanism (8) grabs and then positions the slips and a well head, and the shackle tongs and the slips (2) are respectively used for mounting;
when the oil pipe is pulled out and put down, the oil pipe power tongs (5) translate to realize accurate centering, and then the work of tripping or connecting is completed, and when the oil pumping rod is pulled out and put down, the oil pipe power tongs (6) translate to realize accurate centering, and then the work of tripping or connecting is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210181660.9A CN114575764A (en) | 2022-02-25 | 2022-02-25 | Detachable workover rig multifunctional automatic working platform and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210181660.9A CN114575764A (en) | 2022-02-25 | 2022-02-25 | Detachable workover rig multifunctional automatic working platform and working method thereof |
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| Publication Number | Publication Date |
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| CN114575764A true CN114575764A (en) | 2022-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210181660.9A Pending CN114575764A (en) | 2022-02-25 | 2022-02-25 | Detachable workover rig multifunctional automatic working platform and working method thereof |
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| US20160097245A1 (en) * | 2013-05-17 | 2016-04-07 | Sandvik Intellectual Property Ab | Method of disconnecting a drill string at a drill rig |
| CN107178326A (en) * | 2017-07-24 | 2017-09-19 | 中国石油集团渤海石油装备制造有限公司 | One kind is used for well workover lower oil tube, sucker rod integrative machine and its application method |
| US20170314346A1 (en) * | 2014-10-27 | 2017-11-02 | Tong Ri Industrial Robot Co.,Ltd. | Automatic auxiliary workover rig |
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| CN109322628A (en) * | 2018-10-24 | 2019-02-12 | 青岛杰瑞工控技术有限公司 | The unmanned working equipment of light maintenance well head |
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| CN112502641A (en) * | 2020-11-25 | 2021-03-16 | 中国石油天然气股份有限公司 | Device for pulling down sucker rod |
| CN113638702A (en) * | 2021-08-24 | 2021-11-12 | 无锡智瀚智能机器技术有限公司 | Wellhead operation device shared by pipe and rod |
-
2022
- 2022-02-25 CN CN202210181660.9A patent/CN114575764A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160097245A1 (en) * | 2013-05-17 | 2016-04-07 | Sandvik Intellectual Property Ab | Method of disconnecting a drill string at a drill rig |
| CN203321338U (en) * | 2013-05-28 | 2013-12-04 | 徐州徐工基础工程机械有限公司 | Lifting working platform for vehicle-mounted deep well drilling machine |
| US20170314346A1 (en) * | 2014-10-27 | 2017-11-02 | Tong Ri Industrial Robot Co.,Ltd. | Automatic auxiliary workover rig |
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| CN107178326A (en) * | 2017-07-24 | 2017-09-19 | 中国石油集团渤海石油装备制造有限公司 | One kind is used for well workover lower oil tube, sucker rod integrative machine and its application method |
| CN109322628A (en) * | 2018-10-24 | 2019-02-12 | 青岛杰瑞工控技术有限公司 | The unmanned working equipment of light maintenance well head |
| CN112065306A (en) * | 2020-09-30 | 2020-12-11 | 中国石油天然气集团有限公司 | Automatic centering platform for lifting and lowering oil pipe and centering method thereof |
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| CN112502641A (en) * | 2020-11-25 | 2021-03-16 | 中国石油天然气股份有限公司 | Device for pulling down sucker rod |
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