CN107218000B - Multi-cylinder lifting and rotation integrated form ocean hydraulic workover unit - Google Patents

Multi-cylinder lifting and rotation integrated form ocean hydraulic workover unit Download PDF

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Publication number
CN107218000B
CN107218000B CN201710623443.XA CN201710623443A CN107218000B CN 107218000 B CN107218000 B CN 107218000B CN 201710623443 A CN201710623443 A CN 201710623443A CN 107218000 B CN107218000 B CN 107218000B
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China
Prior art keywords
lifting
platform
sliding
base
module
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Active
Application number
CN201710623443.XA
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Chinese (zh)
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CN107218000A (en
Inventor
王炜
于大伟
曹立明
鲁献
安绍敏
赵国强
刘孝强
邾启孟
石喜军
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Sinopec Oilfield Equipment Corp
Sinopec Siji Petroleum Machinery Co Ltd
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Sinopec Oilfield Equipment Corp
SJ Petroleum Machinery Co
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Priority to CN201710623443.XA priority Critical patent/CN107218000B/en
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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
    • E21B19/002Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables specially adapted for underwater drilling
    • 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
    • E21B19/10Slips; Spiders ; Catching devices
    • 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
    • E21B19/16Connecting or disconnecting pipe couplings or joints
    • 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
    • E21B19/24Guiding or centralising devices for drilling rods or pipes

Abstract

The present invention provides a kind of lifting of Multi-cylinder and rotation integrated form ocean hydraulic workover units.The workover rig is equipped with sliding base module on jacket platform, preventer group is housed among the sliding lower bottom base of sliding base module, equipped with vertical type platform, hydraulic power mechanism and lifting module on the sliding upper bed-plate of sliding base module, it lifts module top and operating platform is housed, tong rotating arm is connected with erection support and operating platform, flexible dead man is connected with sliding upper bed-plate and operating platform, and hydraulic power mechanism is connected with master operating station, secondary station and the open flow device driller station on operating platform respectively by pipeline and conducting wire.The workover rig adapts to ocean engineering well workover and completion practice field, support platform cooperation under be able to satisfy ocean production platform without workover rig module or support platform rear suspension beam stroke limiting in place can not overwrite job well group in the case where, to production platform oil/gas well provide underground work service.

Description

Multi-cylinder lifting and rotation integrated form ocean hydraulic workover unit
Technical field
The present invention relates to sea oil drilling and production well workover and completion practice apparatus field, be related specifically to Multi-cylinder lifting and Rotate integrated form ocean hydraulic workover unit.
Background technique
The more production platform in existing ocean engineering well workover field due to platform load and working area are limited etc. without Method provides workover rig for oneself, and large size supports platform or ocean module workover rig volume is big and resettlement and hoisting cost are high.Ocean module is repaired Well machine it is bulky or part support platform on fill workover rig cantilever beam stroke limiting, support platform cannot close to production platform into Row operation.Operation is carried out using drilling platforms or large-scale support platform, expense expenditure is higher, and available resources is limited, causes Oily company's development cost is excessively high or even influences field output.
Currently, carry out ocean platform workover treatment hydraulic workover unit equipment or operation mode, mainly there are several types of:
One, such as early stage is with No.4 Machinery Plant of Jianghan Petroleum Administration, Baoji Petroleum Machinery Factory and Nanyang Petroleum Machinery Plant Based on the ocean workover rig of common land workover rig tactic pattern that produces, structure composition is complicated, shape is huge, flat in ocean In the case that platform working area or bearing capacity are limited, can not just march into the arena and implement operation, and manufacture, carry, installation cost it is opposite It is higher.
Two, such as module assembled of the Patent No. CN101725326A of Shengli Oilfield Shanyou Petroleum Technology Co., Ltd.'s invention Formula offshore platform hydraulic energy-storing workover rig is equipped with horse head using single main fluid cylinder upper end, horse head front end two sides are symmetrically pacified There are two fixed pulleys for intermediate installation there are two overhead traveling crane fixed pulley, in tripod for dress, and crown sheave and fixed pulley pass through wirerope Removing for tubing string is realized with the operation form of big hook connects, but can not carry out rotary operation, and job area is limited.
Three, Tianjin science and technology 2011(5): the research for the ocean hydraulic pressure lift workover rig that 31-33 article proposes, one kind of design Ocean hydraulic pressure lift workover rig cooperates real using 2 groups or multiple groups synchronous hydraulic cylinder jacking travelling beam and multiple groups fixed pulley The raising of existing hook block, for rotary system still using power swivel, rotation function module integrated level is low.
Summary of the invention
The purpose of the present invention is to provide a kind of lifting of Multi-cylinder and rotation integrated form ocean hydraulic workover units.Its purpose one Are as follows: the workover rig is lifted using hydraulic control, module movement, and operating efficiency is high, input cost is low, can be carried out well workover and complete well is made Industry solves the problems, such as that ocean production platform operating load and platform area are limited;Purpose two are as follows: a kind of support job platform is provided Combine work pattern, repaired for sea and adopt platform, jacket platform operation provides equipment solution, realized lower tubular column, salvaging, The job services such as well workovers and formation testing pilot production, permanent abandoned well such as plug are bored in milling, support offshore oilfield high efficiency, low cost development, Good economic benefit is created for oily company.
To achieve the above object, the technical solution of the present invention is as follows:
A kind of lifting of Multi-cylinder and rotation integrated form ocean hydraulic workover unit, including hydraulic power mechanism 1, lifting module, Hydraulic control module, sliding base module, elevating ram 6, stationary slip 7, hydraulic power turntable 8, rotating seal seat 9, travelling Slips 10, rotation slips 11, lifting window 13, tong rotating arm 15, flexible dead man 16, auxiliary hydraulic pressure puffer 17, twin-roll are flat Weigh winch 18, vertical type platform 19, operating platform 20, master operating station 21, secondary station 22, preventer driller station 23, jacket Platform 24, preventer hoisting mechanism 29, crawl device 30, mobile control cabinet 31 and preventer group 32, the hydraulic well workover in the ocean Machine is equipped with sliding base module on jacket platform 24, and open flow device is housed among the sliding lower bottom base 26 of sliding base module 32 are organized, vertical type platform 19, hydraulic power mechanism 1 and lifting module are housed on the sliding upper bed-plate 27 of sliding base module, lifted Rising mould block top is equipped with operating platform 20, and tong rotating arm 15 is connected with the erection support 14 on vertical type platform 19, wherein Portion is packed on the bottom plate of operating platform 20, and flexible dead man 16 makes its bottom be fixed on sliding upper bed-plate 27 by pin shaft connection On, outer tube middle and upper part is fixed with 20 side of operating platform using pin shaft, hydraulic power mechanism 1 by pipeline and conducting wire respectively with Master operating station 21, secondary station 22 on operating platform 20 are connected with preventer driller station 23.
The lifting module is held for attachment base 3, lifting upper connecting base 4 in lifting lower connecting base 2, lifting with four liftings It carries 5 groups of supporting leg and is welded into a set of integral lifting frame, 6 lower part of elevating ram is packed on lifting lower connecting base 2, and top is packed in top Portion is braked on platform board 12, is respectively provided with stationary slip 7 in lifting lower connecting base 2 and lifting on attachment base 3, and elevating ram 6 pushes up Portion is equipped with erection support 14, lifting window 13 is housed, lifting window 13 is provided with hydraulic power turntable 8, hydraulic dynamic on erection support 14 Rotating seal seat 9 is housed above power turntable 8, traveling slip 10 is housed above rotating seal seat 9, rotation is housed above traveling slip 10 Turn slips 11, auxiliary hydraulic pressure trolley 17 and twin-roll balance winch 18, auxiliary hydraulic pressure trolley 17 are respectively provided on flexible dead man 16 It is connected respectively by wirerope with suspension hook with twin-roll balance winch 18, flexible dead man 16 is fixed on its bottom by pin shaft It slides on upper bed-plate 27,15 one end of tong rotating arm is connected with flexible dead man 16, and the other end is connected with operating platform 20.
The hydraulic control module is that master operating station 21, secondary station 22 and blowout prevention are respectively provided on operating platform 20 Device driller station 23 is equipped with sliding control case 31 in the side of 26 supporting leg of sliding base.
The sliding base module is that platform rail pedestal 25 is fixed on to the structure of jacket platform 24 by pin shaft On girder, the four legs support of sliding lower bottom base 26 is fixed on the guide rail for being mounted on sliding lower bottom base 26 by pawl, in sliding 27 girder lower part of pedestal is equipped with hoisting beam 28, and preventer hoisting mechanism 29 is housed on hoisting beam 28, slides on lower bottom base 26 respectively It is provided with a pair of of crawl device 30.
The lifting module uses two elevating rams 6 or four 6 synchronous liftings of elevating ram.
It is provided in the rotating seal seat 9 persistently to the sealing oil circuit of slips fuel feeding.
The tong rotating arm 15 uses hydraulic cylinder boosting, and rotation angle is 0-180 degree.
The positive effect of the present invention are as follows:
1, the workover rig adapts to ocean engineering well workover and completion practice field, and it is raw to be able to satisfy ocean in the case where supporting platform cooperation Platform is produced without workover rig module or supports platform rear suspension beam stroke limiting in place can not be in the case where overwrite job well group, to life It produces platform oil/gas well and underground work service is provided;
2, the high pressure rotary sealing seat of workover rig configuration is equipped with built-in sealing oil circuit, can be realized and persistently supplies to slips Oil improves rotary operation efficiency;
3, the workover rig configures the rotation slips of radial bearing torque, and cooperation hydraulic power turntable clamping tubing string carries out rotation work Industry, good clamping effect and does not hurt tubing string;
4, winch is single in operation process removes tube rod, twin-roll independent operation for the twin-roll balance of workover rig configuration And can any position hovering do not fall, setting overload protection realize equipment damage caused by card pipe is avoided in operation process;
5, the tong rotating arm of workover rig configuration, is rotated using hydraulic cylinder boosting 0-180 degree, easy to operate, effectively Labor intensity is reduced, can be realized the accurate centering shaft mouth operation of the tools such as hydraulic tongs;
6, the workover rig devises transverse and longitudinal sliding base module, integrated using Corner Strapped attachment device and host, can be with Meet the mobile operation of the more well heads of jacket platform, operation is adaptable between well;
7, the workover rig is compact-sized, weight is relatively light, easy to operate, safe and reliable, can cover production platform institute There is well head and have Multi-cylinder lifting and rotation integrated form ocean hydraulic workover unit that rotation is sent into working condition, is offshore oil Production platform operation provides equipment solution, supports marine oil field high efficiency, low cost development, fills the domestic gaps.
Detailed description of the invention
The structural schematic diagram of Fig. 1, Multi-cylinder lifting and rotation integrated form ocean hydraulic workover unit;
The left view of Fig. 2, Multi-cylinder lifting and rotation integrated form ocean hydraulic workover unit;
Fig. 3, lifting modular structure schematic diagram;
Fig. 4, hydraulic control module floor plan;
Fig. 5, sliding base modular structure schematic diagram.
In figure: 1, hydraulic power mechanism, 2, lifting lower connecting base, 3, lifting in attachment base, 4, lifting upper connecting base, 5, Lifting load-bearing supporting leg, 6, elevating ram, 7, stationary slip, 8, hydraulic power turntable, 9, rotating seal seat, 10, traveling slip, 11, rotate slips, 12, braking platform base, 13, lifting window, 14, erection support, 15, tong rotating arm, 16, flexible dead man, 17, Auxiliary hydraulic pressure puffer, 18, twin-roll balance winch, 19, vertical type platform, 20, operating platform, 21, master operating station, 22, pair Station, 23, preventer driller station, 24, jacket platform, 25, platform rail pedestal, 26, sliding lower bottom base, 27, in sliding Pedestal, 28, hoisting beam, 29, preventer hoisting mechanism, 30, crawl device, 31, sliding control case, 32, preventer group.
Specific embodiment
For further sufficiently open technical solution of the present invention, technical solution of the present invention is carried out with reference to the accompanying drawing clear Chu, complete description.
Referring to attached drawing 1-5, hydraulic power mechanism 1(Fig. 1, Fig. 2) its entirety by close or semiclosed sledge frame in the form of integrate peace Mounted in sliding 27 deck plane of upper bed-plate, use one goes out the pump driving of formula transfer case band into four, and respectively four groups of vane pumps provide power, One group of blade triplet oil pump feed is to hydraulic tongs, radiator motor and auxiliary oil way;One group of blade triplet oil pump feed balances strand Vehicle and slips dispatch control system;Remaining two groups of pair vane pump fuel feeding gives lifting module elevating ram.
Lift module (Fig. 1, Fig. 2 and Fig. 3) include lifting lower connecting base 2, lifting in attachment base 3, lifting upper connecting base 4, Lifting load-bearing supporting leg 5, elevating ram 6, stationary slip 7, hydraulic power turntable 8, rotating seal seat 9, traveling slip 10, revotating card Watts 11, top braking platform board 12 and lifting window 13.Attachment base 3, lifting upper connecting base 4 and four in lifting lower connecting base 2, lifting 5 groups of root lifting load-bearing supporting leg is welded into a set of integral lifting frame;6 lower part of elevating ram, which is mounted by means of bolts under lifting, to be connected On joint chair 2, top is mounted by means of bolts on top braking platform board 12, and platform is braked at lifting upper connecting base 4 and top It is connected by screw bolts between plate 12 and plays fine tuning centralizing function;Hydraulic power turntable 8 and 6 top bar of two or four elevating ram End is connected and fixed using nut, and rotating seal seat 9, traveling slip 10 and rotation slips are successively installed in 8 top of hydraulic power turntable 11, it is all made of and is bolted fixation, rotating seal seat 9 is equipped with built-in sealing oil circuit, can be realized persistently to slips fuel feeding, improves Rotary operation efficiency;Top brakes 12 top of platform board and installs lifting window 13, and connection type is tight using pin shaft connection, bolt Gu;13 lower part corner of lifting window is provided with 15 erection support 14 of tong rotating arm, is connected in the middle part of tong rotating arm 15 by pin shaft It is fixed on 20 bottom plate of operating platform;Two stationary slips 7 are respectively bolted to plane and lifting on attachment base 3 in lifting On lower connecting base 2 in plane.Flexible dead man 16 is fixed on its bottom by pin shaft connection to slide upper bed-plate 27, in exterior tube The ears seat that top setting connection ear mount is arranged with 20 side opening of operating platform is fixed using pin shaft, and in operating platform 20 Regulating device is set and realizes that flexible 16 left-right and front-back of dead man adjusts centering well head;Flexible 16 exterior tube of dead man is equipped with auxiliary hydraulic pressure Puffer 17 and twin-roll balance winch 18, and twin-roll balance winch 18, which is realized, single in operation process removes tube rod, twin-roll Independent operation and can any position hovering do not fall, setting overload protection realize avoids setting caused by card pipe in operation process Standby damage, auxiliary hydraulic pressure puffer 17 help out.The straight of operating personnel or more is set on sliding 27 deck plane of upper bed-plate Vertical platform 19, top are fixed on 20 flat surface side bar of operating platform by pin shaft, meanwhile, it can easily be right in operation process Stationary slip 7 repairs, and carries out the replacement of vulnerable part.
Hydraulic control module (Fig. 1, Fig. 2 and Fig. 4) uses subregion integrated control, and top control unit is arranged in operating platform On 20, including master operating station 21, secondary station 22, preventer driller station 23;21 control unit of master operating station includes elevating ram Control, Differential Control, slips control, turntable control, power unit remotely controls that (wherein power unit control is achievable to starting The remote flameout of machine, urgent flame-out and throttle adjusting), refer to display again, turntable torque, rotary speed, standpipe pressure show, Well head pressure is shown, engine parameter instrument, air horn control, air pressure and related pressure are shown;Secondary 22 control unit of station Including balance winch bigeminy valve, left-right balance winch pressure regulator valve, left-right balance winch brake control valve, hydraulic wireline winch control valve, The control of tong rotating arm oil cylinder and related pressure are shown;Preventer driller station 23 is that the long-range driller of preventer group 32 controls Unit, setting preventer controls handle and corresponding pressure is shown;Jack mounts are arranged by escape apparatus in 20 4 jiaos of guardrails of operating platform It is led to platform safety area;20 surrounding of operating platform is provided with guardrail and skirting board, and platform base is anti-skidding bed board;Operating platform 20 Lower oil tube perforation channels are being set close to pipe stockyard side guard rail position, and tourelle is installed, are being managed when playing lower tubular column operation Column is moved along tourelle.The setting of sliding control case 31 is lower part control unit in sliding 26 supporting leg side of lower bottom base, main to control Pedestal sliding processed and bop position are mobile.
Platform rail pedestal 25 is fastened on jacket by pin shaft and puts down in sliding base module (Fig. 1, Fig. 2 and Fig. 5) On 24 structure girder of platform, and gripping mechanism, which is arranged, makes its clamping fixed on 24 well head girder interior plate of jacket platform, prevents Displacement;Sliding 26 4 leg of lower bottom base support is fixedly mounted on 25 guide rail of platform rail pedestal by pawl;Slide upper bed-plate 27 The support of four legs is fixedly mounted on sliding 26 guide rail of lower bottom base by pawl;Sliding 27 girder lower part of upper bed-plate is provided with hoisting beam 28 guide rail as preventer hoisting mechanism 29;A pair of of crawl device 30 is respectively set in platform rail pedestal 25, sliding lower bottom base 26; By operating sliding control case 31, sliding lower bottom base 26 realizes vertical/horizontal movement between well, sliding upper bed-plate 27 realize it is horizontal between well/ Longitudinal movement, preventer hoisting mechanism 29 realize preventer group 32 cross/longitudinal movement and vertical direction lifting above well head.
All features disclosed in this specification or it is disclosed it is all during the step of, in addition to mutually exclusive feature And/or other than step, it can combine in any way.Any spy disclosed in this specification (including claim, abstract) Sign, unless specifically stated, can be replaced by other alternative features that are equivalent or have similar purpose.It removes and non-specifically chats It states, each feature is an example in a series of equivalent or similar characteristics.
The above is only non-limiting embodiment of the invention, a large amount of embodiment can also be derived, for ability It, can be with not departing from the invention design and under the premise of do not make creative work for the those of ordinary skill in domain The embodiment of several modifications and improvements is made, these are all within the scope of protection of the present invention.

Claims (7)

1. a kind of lifting of Multi-cylinder and rotation integrated form ocean hydraulic workover unit, including hydraulic power mechanism (1), lifting module, Hydraulic control module, sliding base module, vertical type platform (19), jacket platform (24), preventer group (32), wherein lifting Module include: elevating ram (6), stationary slip (7), hydraulic power turntable (8), rotating seal seat (9), traveling slip (10), Rotate slips (11), lifting window (13), tong rotating arm (15), flexible dead man (16), auxiliary hydraulic pressure puffer (17), twin-roll It balances winch (18), hydraulic control module includes: operating platform (20), master operating station (21), secondary station (22), preventer department Rig floor (23) and movement control cabinet (31), sliding base module include: preventer hoisting mechanism (29) and crawl device (30), spy Sign is: the ocean hydraulic workover unit is equipped with sliding base module on jacket platform (24), in sliding base module Sliding lower bottom base (26) among preventer group (32) are housed, vertical type is housed on the sliding upper bed-plate (27) of sliding base module Platform (19), hydraulic power mechanism (1) and lifting module, lifting module top are equipped with operating platform (20), tong rotating arm (15) it is connected with the erection support (14) on vertical type platform (19), middle part is packed on the bottom plate of operating platform (20), Flexible dead man (16) are fixed on its bottom in sliding upper bed-plate (27) by pin shaft connection, outer tube middle and upper part and operating platform (20) side is fixed using pin shaft, hydraulic power mechanism (1) by pipeline and conducting wire respectively with the main behaviour on operating platform (20) Make platform (21), secondary station (22) is connected with preventer driller station (23).
2. a kind of Multi-cylinder lifting according to claim 1 and rotation integrated form ocean hydraulic workover unit, it is characterised in that: The lifting module is attachment base (3), lifting upper connecting base (4) and four lifting load-bearings in lifting lower connecting base (2), lifting Supporting leg (5) group is welded into a set of integral lifting frame, and elevating ram (6) lower part is packed in lifting lower connecting base (2), and top is fixedly mounted with In top braking platform board (12), lifts in lower connecting base (2) and lifting and is respectively provided with stationary slip (7) on attachment base (3), Erection support (14) are housed at the top of elevating ram (6), lifting window (13) are housed on erection support (14), lifting window (13) is provided with Hydraulic power turntable (8), hydraulic power turntable (8) top is equipped with rotating seal seat (9), equipped with trip above rotating seal seat (9) Dynamic slips (10), equipped with slips (11) are rotated, it is small to be respectively provided with auxiliary hydraulic pressure on flexible dead man (16) for traveling slip (10) top Vehicle (17) and twin-roll balance winch (18), auxiliary hydraulic pressure trolley (17) and twin-roll balance winch (18) pass through wirerope respectively It is connected with suspension hook, flexible dead man (16) are fixed on its bottom in sliding upper bed-plate (27) by pin shaft, tong rotating arm (15) one end is connected with flexible dead man (16), and the other end is connected with operating platform (20).
3. a kind of Multi-cylinder lifting according to claim 1 and rotation integrated form ocean hydraulic workover unit, it is characterised in that: The hydraulic control module by operating platform (20), master operating station (21), secondary station (22), preventer driller station (23) and Mobile control cabinet (31) are constituted, and master operating station (21), secondary station (22) and blowout prevention are respectively provided on operating platform (20) Device driller station (23) is equipped with sliding control case (31) in the side of sliding lower bottom base (26) supporting leg.
4. a kind of Multi-cylinder lifting according to claim 1 and rotation integrated form ocean hydraulic workover unit, it is characterised in that: The sliding base module is by platform rail pedestal (25), sliding lower bottom base (26), sliding upper bed-plate (27), hoisting beam (28), preventer hoisting mechanism (29) and crawl device (30) are constituted, and platform rail pedestal (25) is fixed on conduit by pin shaft On the structure girder of body panel (24), the four legs support of sliding lower bottom base (26) is fixed on by pawl is mounted on sliding lower bottom base (26) on guide rail, sliding upper bed-plate (27) girder lower part is equipped with hoisting beam (28), lifts on hoisting beam (28) equipped with preventer Mechanism (29) slides and is respectively arranged with a pair of of crawl device (30) on lower bottom base (26).
5. a kind of Multi-cylinder lifting according to claim 1 or 2 and rotation integrated form ocean hydraulic workover unit, feature exist In: the lifting module uses two elevating rams (6) or four elevating ram (6) synchronous liftings.
6. a kind of Multi-cylinder lifting according to claim 1 or 2 and rotation integrated form ocean hydraulic workover unit, feature exist In: it is provided in the rotating seal seat (9) persistently to the sealing oil circuit of slips fuel feeding.
7. a kind of Multi-cylinder lifting according to claim 1 or 2 and rotation integrated form ocean hydraulic workover unit, feature exist In: the tong rotating arm (15) uses hydraulic cylinder boosting, and rotation angle is 0-180 degree.
CN201710623443.XA 2017-07-27 2017-07-27 Multi-cylinder lifting and rotation integrated form ocean hydraulic workover unit Active CN107218000B (en)

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CN107558940B (en) * 2017-10-12 2019-08-09 中国海洋石油集团有限公司 A kind of light-duty well repairing device in deep water hydrocarbon field and method
CN107605439B (en) * 2017-10-16 2019-08-23 东北石油大学 A kind of crude oil bailing platform

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NL1029961C2 (en) * 2005-09-15 2007-03-16 Balance Point Control B V Derrick and method for bringing one or more drill pipes into a wellbore with enclosed pressure.
US20080243365A1 (en) * 2007-03-30 2008-10-02 Remedial (Cyprus) Pcl Methods of holding station and mooring and elevating support vessel
CN101725326A (en) * 2009-07-24 2010-06-09 胜利油田山友石油技术有限公司 Modular assembly type offshore platform hydraulic energy-storing workover rig
CN201794516U (en) * 2010-06-23 2011-04-13 中国海洋石油总公司 Light-weight removable 90-ton workover rig in sea
CN204532126U (en) * 2015-03-13 2015-08-05 宝鸡石油机械有限责任公司 Supporting platform module drilling machine

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Effective date of registration: 20200424

Address after: 434020 No. 1 Longshan Temple Street, Jingzhou District, Jingzhou, Hubei

Co-patentee after: SINOPEC OILFIELD EQUIPMENT Corp.

Patentee after: SINOPEC SIJI PETROLEUM MACHINERY Co.,Ltd.

Address before: 434020 Jingzhou city of Hubei province Jingzhou district four Road No. 1

Co-patentee before: SINOPEC OILFIELD EQUIPMENT Corp.

Patentee before: SJ PETROLEUM MACHINERY CO., LTD. SINOPEC