CN112049583A - Hydraulic well repairing device - Google Patents

Hydraulic well repairing device Download PDF

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Publication number
CN112049583A
CN112049583A CN202011061929.7A CN202011061929A CN112049583A CN 112049583 A CN112049583 A CN 112049583A CN 202011061929 A CN202011061929 A CN 202011061929A CN 112049583 A CN112049583 A CN 112049583A
Authority
CN
China
Prior art keywords
hydraulic
supporting seat
lifting cylinder
basket
working basket
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011061929.7A
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Chinese (zh)
Inventor
王学文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Shuozhita Petroleum Technology Co ltd
Original Assignee
Sichuan Shuozhita Petroleum Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Shuozhita Petroleum Technology Co ltd filed Critical Sichuan Shuozhita Petroleum Technology Co ltd
Priority to CN202011061929.7A priority Critical patent/CN112049583A/en
Publication of CN112049583A publication Critical patent/CN112049583A/en
Pending legal-status Critical Current

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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B19/00Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables

Abstract

The invention discloses a hydraulic workover rig, which comprises a lower working basket, a hydraulic lifting cylinder, a fixed slip, a hydraulic rotary table, a movable slip, an upper working basket, a power tong boom, a mast and a power tong, wherein the bottoms of the mast and the power tong are both arranged on the lower working basket, the upper end of the mast and the power tong penetrates through the upper working basket and extends upwards, the lower end of the hydraulic lifting cylinder is arranged in the lower working basket, the upper end of a hydraulic lifting cylinder 2 is connected with the hydraulic rotary table positioned below the upper working basket, the movable slip is positioned at the upper end of the hydraulic rotary table, and the fixed slip is positioned below the hydraulic rotary table; the top end of the power tong is connected with the top end of the mast through a power tong boom. Set up hydraulic pressure workover rig, hydraulic pressure lifts the jar conveying oil pipe pole to appointed operating position, and upper portion work basket, lower part work basket are in the lifting and directly connect the oil pipe pole of sending of drilling in-process, realize that mechanical drive replaces artifical work such as lifting, come and go to connect and send, very big reduction workman's intensity of labour and improvement borehole operation work efficiency.

Description

Hydraulic well repairing device
Technical Field
The invention relates to the technical field of non-normal pressure operation, in particular to a hydraulic well repairing device.
Background
At present, when the oil field workover operation is carried out, a wellhead operation platform is very high away from the ground due to the fact that wellhead devices such as a blowout preventer are installed on a wellhead, and the pulling and feeding of an oil pipe are completed by matching a workover rig suspension system with manpower when the oil pipe is pulled out and drilled down. The labor intensity of post workers is high, the working efficiency is low, and the safety of personnel is poor. The machine replaces manpower, improves the current working situation that the current operation workers are dirty and tired, ensures safe production, and is a requirement for the development of the underground operation of the oil field.
Based on the defects, the hydraulic well repairing device is provided.
Disclosure of Invention
The invention provides a hydraulic workover rig, aiming at one of the defects, the hydraulic rig is utilized, a mechanical mechanism is used for lifting, an oil pipe rod is conveyed to a designated working position, a working table surface is used as a movable slideway of the oil pipe rod, and the oil pipe rod is directly conveyed in the tripping process, so that the technical problems that the existing workover rig needs to be manually matched with a suspension system to finish the drawing and feeding of the oil pipe, the strength of old sons is high, the safety is low and the like are solved.
The invention is realized by the following technical scheme:
a hydraulic workover rig comprises a lower working basket, a hydraulic lifting cylinder, a fixed slip, a hydraulic rotary table, a movable slip, an upper working basket, a power tong lifting arm, a mast and a power tong, wherein the bottoms of the mast and the power tong are both arranged on the lower working basket, the upper end of the mast and the upper end of the power tong penetrate through the upper working basket and extend upwards, the lower end of the hydraulic lifting cylinder is arranged in the lower working basket, the upper end of the hydraulic lifting cylinder is connected with the hydraulic rotary table positioned below the upper working basket, the movable slip is positioned at the upper end of the hydraulic rotary table, and the fixed slip is positioned below the hydraulic rotary table; the top end of the power tong is connected with the top end of the mast through a power tong boom.
Further, the lower end of the hydraulic lifting cylinder is installed on the lower working basket through a first supporting seat.
Furthermore, a second supporting seat is installed at the middle end of the hydraulic lifting cylinder, the fixed slip is installed above the second supporting seat, and a lever arm of the hydraulic lifting cylinder penetrates through four corners of the second supporting seat to be connected with the hydraulic rotary table.
Furthermore, the top end of the hydraulic lifting cylinder is connected with four corners of a third supporting seat, and the hydraulic rotary table is installed above the third supporting seat.
Furthermore, the periphery of the connecting end of the top end of the hydraulic lifting cylinder and the third supporting seat is sleeved with a quadrilateral frame structure, and the hydraulic lifting cylinder is connected with the upper working basket through the quadrilateral frame structure.
Furthermore, the quadrilateral frame structure comprises an upper quadrilateral support, a lower quadrilateral support and a supporting arm, the lower quadrilateral frame is sleeved in a connecting area between the hydraulic lifting cylinder and the hydraulic turntable, the lower quadrilateral frame is connected with the upper quadrilateral frame through the supporting arm, and the upper quadrilateral frame is positioned on the lower surface of the upper working basket.
Furthermore, the first supporting seat, the second supporting seat and the third supporting seat are all of the same structure, and the cross section of the first supporting seat is of a quadrilateral plate-shaped structure with four corners and a through hole in the center.
Furthermore, the centers of the central through holes of the first supporting seat, the second supporting seat and the third supporting seat are on a vertical line.
Further, a central through hole in the first support base passes through the lower work basket.
Furthermore, a side ladder is arranged between the upper working basket and the lower working basket.
Compared with the prior art, the invention has the following advantages and beneficial effects:
this technical scheme is through setting up hydraulic pressure workover rig, as oil pipe hydraulic pressure lift auxiliary machinery, utilize hydraulic means, lift the cylinder conveying oil pipe pole to appointed operating position through hydraulic pressure, upper portion work basket simultaneously, the activity slide region of oil pipe pole is regarded as to lower part work basket, directly connect and send the oil pipe pole at the in-process of tripping, realize that mechanical drive replaces artifical the lifting, work such as round trip connect and send, very big reduction workman's intensity of labour, improve the dirty, tired work current situation of present operation, eliminate the unsafe factor of tripping in-process, borehole operation work efficiency is improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
wherein: 1-lower part working basket, 2-hydraulic lifting cylinder, 3-fixed slip, 4-hydraulic rotary table, 5-movable slip, 6-upper part working basket, 7-power clamp suspension arm and 8-mast.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not used as limitations of the present invention.
Example 1:
as shown in fig. 1, a hydraulic workover rig comprises a lower working basket 1, a hydraulic lifting cylinder 2, a fixed slip 3, a hydraulic rotary table 4, a movable slip 5, an upper working basket 6, a power tong boom 7, a mast 8 and a power tong, wherein the bottoms of the mast 8 and the power tong are both mounted on the lower working basket 1, the upper end of the mast 8 and the upper end of the power tong penetrate through the upper working basket 6 and extend upwards, the lower end of the hydraulic lifting cylinder 2 is mounted in the lower working basket 1, the upper end of the hydraulic lifting cylinder 2 is connected with the hydraulic rotary table 4 positioned below the upper working basket 2, the movable slip 5 is positioned at the upper end of the hydraulic rotary table 4, and the fixed slip 3 is positioned below the hydraulic rotary table; the top end of the power tong is connected with the top end of the mast 8 through a power tong boom 7.
In this embodiment, the specific working process is as follows: in the process of tripping a drill on an oil pipe or a casing pipe, the lower working flat basket 1 is connected with a BOP (blow-off preventer) system through a converter, after the oil pipe or the casing pipe comes out of the blowout preventer, the oil pipe or the casing pipe sequentially passes through a movable slip 5, a hydraulic rotary table 4, a fixed slip 3, the fixed slip 3 is disconnected when the oil pipe reaches the movable slip 5, the movable slip 5 is tightly held, the movable slip 5 moves upwards through a hydraulic lifting cylinder 2 and the hydraulic rotary table 4, meanwhile, the oil pipe also moves upwards, when the specified position is reached, the fixed slip 3 is tightly held, the movable slip 5 is loosened, the hydraulic lifting cylinder 2 retracts to the original position, and the oil pipe can. After lifting is completed, a worker of the upper working basket 6 extends a steel wire sling with enough length on the mast 8 by controlling the winch, the worker connects the connecting device to the oil pipe head, and the power clamp suspension arm 7 moves the jaw of the hydraulic power clamp to the joint of the oil pipe to perform unthreading.
In the specific operation, an oil pipe or a casing pipe passes through a central through hole of the movable slips 5, the hydraulic rotary disc 4 and the fixed slips 3 in sequence. And other structures such as moving slips 5, hydraulic rotary table 4, and fixed slips 3 are known.
After the tubing or drill pipe is removed, the mast 8 lifts the drill pipe or tubing by wire rope and then moves into the tubing basket. The whole process greatly reduces the labor intensity of workers. In addition, the whole equipment is installed on the BOP system, the riser is lifted, the casing head is lifted, and finally the whole equipment is transferred to a marine riser, and the working basket deck cannot bear the working load.
Wherein, the lower end of the hydraulic lifting cylinder 2 is arranged on the lower working basket 1 through a first supporting seat.
The middle end of the hydraulic lifting cylinder 2 is provided with a second supporting seat, the fixed slip 3 is arranged above the second supporting seat, and the lever arm of the hydraulic lifting cylinder 2 penetrates through four corners of the second supporting seat to be connected with the hydraulic turntable 4.
The top end of the hydraulic lifting cylinder 2 is connected with four corners of a third supporting seat, and the hydraulic rotary table 4 is installed above the third supporting seat.
Wherein, the top of hydraulic pressure lift cylinder 2 and the link periphery cover of third supporting seat are equipped with quadrilateral frame structure, and hydraulic pressure lifts cylinder 2 and is connected with upper portion work basket 1 through quadrilateral frame structure.
The quadrilateral frame structure comprises an upper quadrilateral support, a lower quadrilateral support and a supporting arm, the lower quadrilateral frame is sleeved in a connecting area between the hydraulic lifting cylinder 2 and the hydraulic turntable 4, the lower quadrilateral frame is connected with the upper quadrilateral frame through the supporting arm, and the upper quadrilateral frame is positioned on the lower surface of the upper working basket 1.
The first supporting seat, the second supporting seat and the third supporting seat are all of the same structure, and the cross section of the first supporting seat is of a quadrilateral plate-shaped structure with four corners and a through hole in the center.
The centers of the central through holes of the first supporting seat, the second supporting seat and the third supporting seat are on a vertical line, the structures of the first supporting seat, the second supporting seat and the third supporting seat are the same, only the installation positions are different, and the through holes at the four corners of the first supporting seat facilitate the penetration of the lifting rod in the hydraulic lifting cylinder 2.
Wherein the central through hole on the first support seat passes through the lower work basket 1.
Wherein, a side ladder is arranged between the upper working basket 6 and the lower working basket 1.
In the embodiment, the hydraulic lifting cylinder 2 adopts four hydraulic cylinders, the power source is from a hydraulic power station, and two working modes are provided.
The upper portion work basket 6, the lower part work basket 1 all are the position that the staff controlled equipment, specifically can be for upper portion work platform 6, the lower part work platform 1 that correspond for control slips, equipment such as pneumatic cylinder are the control center of whole equipment, and degree of automation is high, and operating panel is simple and clear, very big reduction the required amount of labour of staff and operation staff's quantity.
The main function of the mast 8 is to lift the drilling tool, completion string from the pipe rack to the work basket or vice versa, thus having a high lifting load strength, strength check. And the power tongs are also called as hydraulic power tongs and are positioned above the upper working basket, and the power tongs are arranged at the lifting eye of the power tongs and are used for screwing on and unscrewing the well completion pipe string. The size and the torque of the power tongs are configured according to the pipe column to be tripped up, and the power of the power tongs is a power station of the hydraulic lifting device.
The power tong arm 7 is used for hanging the power tong, so that an operator can conveniently and flexibly change the position of the power tong, and the power tong is used for putting on and taking off a well completion pipe string. The design is the same as the mast, the root of the power tong arm is directly arranged on the bottom workbench, so that the tong arm has enough strength to hang a large-size power tong and provide enough reaction torque during the screwing and unscrewing operation.
The fixed slips 3 and the movable slips 5 are all in a conical joggle structure, the specific structure is well known to those skilled in the art, and the specific function is to exert downward pressure on the completion string. If the opening sizes of the fixed slips and the movable slips need to be increased, the opening sizes can be realized through a large-size completion pipe string such as a Y-shaped joint of an electric submersible pump, and only one fixed preset lock pin on the slip seat needs to be removed. The fixed slips and the movable slips are opened and closed by hydraulic pressure, and slip teeth of different models are required to be configured for different pipe column sizes.
The hydraulic rotary table 4 is an independent component, and the specific structure is well known to those skilled in the art, and is used for providing torque output for the hydraulic lifting device when milling, salvaging, drilling and the like are required. At present, the hydraulic turntable with the oil duct sliding ring is mainly adopted, so that the operation of repeatedly disassembling an oil pipe in the actual operation process is avoided, and the leakage and the pollution of equipment are greatly avoided.
The hydraulic power source provides power for the hydraulic lifting device and is the heart of the whole set of device. The power required by the lifting system, BOP, hydraulic rotary table, slips, power tongs, winch and the like comes from the hydraulic station. In order to ensure continuous operation, an external fuel tank is specially configured for the diesel engine, and the capacity of the fuel tank is required to be capable of supplying 24 hours of fuel. The operating principle of the hydraulic power source is well known to those skilled in the art and will not be described in detail.
The hydraulic well repairing device in the embodiment can be mainly applied to well completion or re-well completion, replacement and installation of an electric submersible pump, oil pipe transmission perforation TCP, sand control operation, small-sized well drilling operation such as sidetracking, salvaging operation such as casing pipe and oil pipe passing, grinding and milling, casing and milling, drilling of cement plugs and bridge plugs, acidification, fracturing, yield increasing measures, well abandoning, cement squeezing and the like. Therefore, the device of the embodiment has a wide application range and has strong application and popularization values in practical application.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. A hydraulic well workover device which characterized in that: the hydraulic clamping device comprises a lower working basket (1), a hydraulic lifting cylinder (2), a fixed slip (3), a hydraulic rotary table (4), a movable slip (5), an upper working basket (6), a power clamp suspension arm (7), a mast (8) and a power clamp, wherein the bottoms of the mast (8) and the power clamp are both mounted on the lower working basket (1), the upper end of the mast (8) and the upper end of the power clamp penetrate through the upper working basket (6) and extend upwards, the lower end of the hydraulic lifting cylinder (2) is mounted in the lower working basket (1), the upper end of the hydraulic lifting cylinder (2) is connected with the hydraulic rotary table (4) positioned below the upper working basket (2), the movable slip (5) is positioned at the upper end of the hydraulic rotary table (4), and the fixed slip (3) is positioned below the; the top end of the power tong is connected with the top end part of the mast (8) through a power tong boom (7).
2. A hydraulic well servicing device according to claim 1, characterized in that: the lower end of the hydraulic lifting cylinder (2) is arranged on the lower working basket (1) through a first supporting seat.
3. A hydraulic well servicing device according to claim 2, characterized in that: the hydraulic lifting device is characterized in that a second supporting seat is installed at the middle end of the hydraulic lifting cylinder (2), a fixed slip (3) is installed above the second supporting seat, and lever arms of the hydraulic lifting cylinder (2) penetrate through four corners of the second supporting seat and are connected with a hydraulic turntable (4).
4. A hydraulic well servicing device according to claim 3, wherein: the top end of the hydraulic lifting cylinder (2) is connected with four corners of a third supporting seat, and a hydraulic turntable (4) is installed above the third supporting seat.
5. A hydraulic well servicing device according to claim 4, characterized in that: the top of hydraulic pressure lifting cylinder (2) is equipped with quadrilateral frame structure with the link periphery cover of third supporting seat, and hydraulic pressure lifting cylinder (2) is connected with upper portion work basket (1) through quadrilateral frame structure.
6. A hydraulic well servicing device according to claim 5, characterized in that: the quadrilateral frame structure comprises an upper quadrilateral support, a lower quadrilateral support and a supporting arm, wherein the lower quadrilateral frame is sleeved at a connecting area between the hydraulic lifting cylinder (2) and the hydraulic turntable (4), the lower quadrilateral frame is connected with the upper quadrilateral frame through the supporting arm, and the upper quadrilateral frame is positioned on the lower surface of the upper working basket (1).
7. A hydraulic well servicing device according to claim 6, characterized in that: the first supporting seat, the second supporting seat and the third supporting seat are all of the same structure, and the cross section of the first supporting seat is of a quadrilateral plate-shaped structure with four corners and a through hole in the center.
8. A hydraulic well servicing device according to claim 7, characterized in that: the centers of the central through holes of the first supporting seat, the second supporting seat and the third supporting seat are on a vertical line.
9. A hydraulic well servicing device according to claim 7, characterized in that: the central through hole on the first supporting seat passes through the lower working basket (1).
10. A hydraulic well servicing device according to claim 1, characterized in that: a side ladder is arranged between the upper working basket (6) and the lower working basket (1).
CN202011061929.7A 2020-09-30 2020-09-30 Hydraulic well repairing device Pending CN112049583A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011061929.7A CN112049583A (en) 2020-09-30 2020-09-30 Hydraulic well repairing device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011061929.7A CN112049583A (en) 2020-09-30 2020-09-30 Hydraulic well repairing device

Publications (1)

Publication Number Publication Date
CN112049583A true CN112049583A (en) 2020-12-08

Family

ID=73605621

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011061929.7A Pending CN112049583A (en) 2020-09-30 2020-09-30 Hydraulic well repairing device

Country Status (1)

Country Link
CN (1) CN112049583A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112174025A (en) * 2020-09-28 2021-01-05 深蓝(天津)智能制造有限责任公司 Double-platform hydraulic lifting casing device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112174025A (en) * 2020-09-28 2021-01-05 深蓝(天津)智能制造有限责任公司 Double-platform hydraulic lifting casing device

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