CN203603818U - Low snubbing operation device - Google Patents

Low snubbing operation device Download PDF

Info

Publication number
CN203603818U
CN203603818U CN201320800456.7U CN201320800456U CN203603818U CN 203603818 U CN203603818 U CN 203603818U CN 201320800456 U CN201320800456 U CN 201320800456U CN 203603818 U CN203603818 U CN 203603818U
Authority
CN
China
Prior art keywords
preventer
clamping device
pipe clamping
sealing
pressure self
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.)
Expired - Fee Related
Application number
CN201320800456.7U
Other languages
Chinese (zh)
Inventor
岳振玉
罗文莉
张方圆
金鑫
付增
郝丽伟
孟庆鹏
张艳君
汤金虎
王伟琳
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.)
China Petroleum and Chemical Corp
Oil Production Technology Research Institute of Sinopec Shengli Oilfield Co
Original Assignee
China Petroleum and Chemical Corp
Oil Production Technology Research Institute of Sinopec Shengli Oilfield Co
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 China Petroleum and Chemical Corp, Oil Production Technology Research Institute of Sinopec Shengli Oilfield Co filed Critical China Petroleum and Chemical Corp
Priority to CN201320800456.7U priority Critical patent/CN203603818U/en
Application granted granted Critical
Publication of CN203603818U publication Critical patent/CN203603818U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

  • Earth Drilling (AREA)

Abstract

The utility model discloses a low snubbing operation device which comprises a moving pipe clamping device, a lower beam, a hydraulic cylinder, an annular spraying-prevention device and a spraying-prevention device assembly. The lower beam is arranged on a well opening and the bottom end of the hydraulic cylinder is connected to the lower beam. The upper end of the hydraulic cylinder is connected below the moving pipe clamping device. The lower end of the spraying-prevention device assembly is connected with a well opening oil pipe in a butt mode through a flange and the upper end of the spraying-prevention device assembly is connected with the annular spraying-prevention device through a flange. The upper end of the annular spraying-prevention device is connected with a high-pressure self seal. The moving pipe clamping device is higher than the high-pressure self seal. The low snubbing operation device further comprises a workbench. The workbench is seated above the periphery of the well opening through a supporting frame. The low snubbing operation device can meet the application requirements of snubbing operation and is high in operability, capable of being matched with a 18-m small well repairing frame, high in working efficiency and capable of obviously lowering operation cost.

Description

A kind of short snubbing serving device
Technical field
The utility model relates to oil exploitation well operations equipment, specifically a kind of short snubbing serving device.
Background technology
At present, oil-water well snubbing serving is under well head has certain pressure, and not open flow, not kill-job and the construction operation that carries out can successfully solve environment pollution and oil layer pollution problem in operation process, enjoys favor.And to realize snubbing serving, must use snubbing serving equipment to realize the Loading Control of wellhead sealing blowout prevention and tubing string.The snubbing serving device that patent is announced has at present been brought into play effect in enforcement oil-water well snubbing serving process, and but existence is highly higher, is generally 4-5m, operability is bad, can not realize with light maintenance operation supportingly, operating efficiency is low, the shortcoming that operating cost is higher.
Summary of the invention
The purpose of this utility model is to provide a kind of short snubbing serving device, meets the needs of snubbing serving application, workable, can realize with 18m light maintenance derrick supportingly, and operating efficiency is higher, and operating cost significantly reduces.
In order to reach above-mentioned purpose, the utility model has adopted following technical scheme, a kind of short snubbing serving device, comprise the pipe clamping device that moves about, lower transverse beam, hydraulic cylinder, ring-like preventer, preventer assembly, described lower transverse beam is placed on well head, and described hydraulic cylinder bottom is connected on lower transverse beam, and the upper end of hydraulic cylinder is connected to the below of the pipe clamping device that moves about, well mouth oil pipe is docked by flange in described preventer assembly lower end, and upper end connects ring-like preventer by flange; Described ring-like preventer upper end is connected with high-pressure self-sealing, described in move about the height of pipe clamping device higher than the height of high-pressure self-sealing.
Also comprise working platform, this working platform is seated in well head week side top by support frame, the bottom of described support frame is provided with stands on ground base, above described working platform, periphery upwards arranges railing, be connected on support frame by bearing diagonal to next, described working platform upper surface will be lower than the height of high-pressure self-sealing.
Described preventer assembly comprises and is connected with successively that full envelope blowout preventer, 31/2 " partly seal blowout preventer, 27/8 " partly seals blowout preventer, fixing pipe clamping device from top to bottom, is integrated fabricated structure.
The slips of pipe clamping device and fixing pipe clamping device of moving about is as reducing slips, under the prerequisite of not changing slips, can carry out mounting board to 27/8 diameter oil pipe, also can carry out mounting board to 31/2 " diameter oil pipe.
Described high-pressure self-sealing is made up of housing and glue core, and wherein glue core bottom is built in the housing of annular preventer, and high-pressure self-sealing housing, for flange form designs, is connected with annular preventer upper press cover by bolt.
Compared to prior art, the utlity model has following beneficial effect:
1, utilize this device can effectively realize the sealing blowout prevention of oil jacket annular space in oil-water well snubbing serving process and the Loading Control to tubing string.
2, in device, fix pipe clamping device and the pipe clamping device slips that moves about is reducing slips, the mounting board that can realize 31/2 " diameter oil pipe also can be realized the mounting board of 27/8 diameter oil pipe, removes the trouble of changing slips in use procedure from, saves the activity duration.
3, in device, ring-like preventer designs for short, and more conventional annular preventer height is low, and high-pressure self-sealing is built in annular preventer inside, makes snubbing serving device height lower.
4, device operating platform only has 1.8m, workable, can realize with 18m light maintenance derrick supportingly, and operating efficiency is higher, and operating cost significantly reduces.
Accompanying drawing explanation
Fig. 1 is a kind of short snubbing serving apparatus structure schematic diagram of the present utility model.
In figure: the pipe clamping device 1 that moves about, high-pressure self-sealing 2, ring-like preventer 3, blowout preventer set 4, lower transverse beam 5, base 6, hydraulic cylinder 7, support frame 8, working platform 9.
The specific embodiment
Relevant detailed description of the present utility model and technology contents, coordinate accompanying drawing to be described as follows, but accompanying drawing only provides the use of reference with explanation, is not used for the utility model to be limited.
With reference to accompanying drawing 1, a kind of short snubbing serving device, comprise the pipe clamping device 1 that moves about, lower transverse beam 5, hydraulic cylinder 7, ring-like preventer 3, preventer assembly 4, described lower transverse beam is placed on well head, described hydraulic cylinder bottom is connected on lower transverse beam, the upper end of hydraulic cylinder 7 is connected to the below of the pipe clamping device 1 that moves about, and well mouth oil pipe is docked by flange in described preventer assembly 4 lower ends, and upper end connects ring-like preventer 3 by flange; Described ring-like preventer upper end is connected with high-pressure self-sealing 2, described in move about the height of pipe clamping device higher than the height of high-pressure self-sealing.Also comprise working platform 9, this working platform is seated in well head week side top by support frame, the bottom of described support frame 8 is provided with stands on ground base 6, above described working platform, periphery upwards arranges railing, be connected on support frame by bearing diagonal to next, described working platform upper surface will be lower than the height of high-pressure self-sealing.
Described preventer assembly comprises and is connected with successively that full envelope blowout preventer, 31/2 " partly seal blowout preventer, 27/8 " partly seals blowout preventer, fixing pipe clamping device from top to bottom, is integrated fabricated structure.The slips of pipe clamping device and fixing pipe clamping device of moving about is as reducing slips, under the prerequisite of not changing slips, can carry out mounting board to 27/8 diameter oil pipe, also can carry out mounting board to 31/2 " diameter oil pipe.Described high-pressure self-sealing is made up of housing and glue core, and wherein glue core bottom is built in the housing of annular preventer, and high-pressure self-sealing housing, for flange form designs, is connected with annular preventer upper press cover by bolt.The slips of pipe clamping device and fixing pipe clamping device of moving about is as reducing slips, under the prerequisite of not changing slips, can carry out mounting board to 27/8 diameter oil pipe, also can carry out mounting board to 31/2 " diameter oil pipe.
While implementing snubbing serving, snubbing serving device is lifted to well in operation well head.Dock with wellhead flange by flange blowout preventer set lower end, and the well head of finishing device is installed.Play the movable sealing of guaranteeing tubing string when lower tubular column by high-pressure self-sealing 2 and annular preventer 3, when stopping work while maybe needing to change high-pressure self-sealing glue core 2 in centre, partly seal blowout preventer, 27/8 " and partly seal blowout preventer and realize the static seal of tubing string by 31/2 " in blowout preventer set 4.In the time there is no tubing string in well, the full envelope blowout preventer in blowout preventer set 4 is realized shut-in well.In the time that top power is greater than tubing string weight on tubing string, need to coordinate the mounting board of realizing tubing string to remove with hydraulic cylinder 7 and fixing pipe clamping device by the pipe clamping device 1 that moves about.
The specific embodiment is divided lifting tubing string and is transferred two processes of tubing string.In snubbing serving, owing to there being pressure in well, in the time that tubing string weight is less than borehole pressure to the upper top power of tubing string, occur top situation on tubing string, tubing string must load and remove.When lifting tubing string, first start fixed pipe clamping device, fixing pipe clamping device slips is clamped oil pipe, afterwards, start the pipe clamping device that moves about, the pipe clamping device slips that moves about is clamped after oil pipe, fixing pipe clamping device slips unclamps, the pipe clamping device lifting oil pipe together with hydraulic cylinder that moves about, is lifted to after fluid cylinder range, again closes fixing pipe clamping device, unclamp the pipe clamping device that moves about, the pipe clamping device that moves about is descending together with hydraulic cylinder, repeats above step, completes lift pipe string operation; While transferring tubing string, first utilize fixing pipe clamping device slips to clamp oil pipe, start afterwards the pipe clamping device that moves about, hydraulic cylinder drives the pipe clamping device that moves about to go upward to together the range of fluid cylinder, clamps oil pipe, and fixing pipe clamping device slips unclamps oil pipe, the Loading Control power of utilizing hydraulic cylinder, is lowered to oil pipe.Repeat above step, complete lower tubular column operation.
The foregoing is only preferred embodiment of the present utility model, non-in order to limit the scope of the claims of the present utility model, other use the equivalence of patent spirit of the present utility model to change, and all should all belong to the scope of the claims of the present utility model.

Claims (5)

1. a short snubbing serving device, it is characterized in that, comprise the pipe clamping device that moves about, lower transverse beam, hydraulic cylinder, ring-like preventer, preventer assembly, described lower transverse beam is placed on well head, described hydraulic cylinder bottom is connected on lower transverse beam, the upper end of hydraulic cylinder is connected to the below of the pipe clamping device that moves about, and well mouth oil pipe is docked by flange in described preventer assembly lower end, and upper end connects ring-like preventer by flange; Described ring-like preventer upper end is connected with high-pressure self-sealing, described in move about the height of pipe clamping device higher than the height of high-pressure self-sealing.
2. a kind of short snubbing serving device according to claim 1, it is characterized in that, also comprise working platform, this working platform is seated in well head week side top by support frame, the bottom of described support frame is provided with stands on ground base, above described working platform, periphery upwards arranges railing, is connected on support frame by bearing diagonal to next, and described working platform upper surface will be lower than the height of high-pressure self-sealing.
3. a kind of short snubbing serving device according to claim 1, it is characterized in that, described preventer assembly comprises and is connected with successively that full envelope blowout preventer, 31/2 " partly seal blowout preventer, 27/8 " partly seals blowout preventer, fixing pipe clamping device from top to bottom, is integrated fabricated structure.
4. a kind of short snubbing serving device according to claim 3, it is characterized in that, the slips of pipe clamping device and fixing pipe clamping device of moving about is as reducing slips, under the prerequisite of not changing slips, can carry out mounting board to 27/8 diameter oil pipe, also can carry out mounting board to 31/2 " diameter oil pipe.
5. a kind of short snubbing serving device according to claim 1, it is characterized in that, described high-pressure self-sealing is made up of housing and glue core, wherein glue core bottom is built in the housing of annular preventer, high-pressure self-sealing housing, for flange form designs, is connected with annular preventer upper press cover by bolt.
CN201320800456.7U 2013-12-09 2013-12-09 Low snubbing operation device Expired - Fee Related CN203603818U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320800456.7U CN203603818U (en) 2013-12-09 2013-12-09 Low snubbing operation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320800456.7U CN203603818U (en) 2013-12-09 2013-12-09 Low snubbing operation device

Publications (1)

Publication Number Publication Date
CN203603818U true CN203603818U (en) 2014-05-21

Family

ID=50716495

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320800456.7U Expired - Fee Related CN203603818U (en) 2013-12-09 2013-12-09 Low snubbing operation device

Country Status (1)

Country Link
CN (1) CN203603818U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104481424A (en) * 2014-11-07 2015-04-01 中国石油集团长城钻探工程有限公司 Sectional cutting tubing string lifting process of no-killing operation
CN109415928A (en) * 2016-05-02 2019-03-01 卡梅伦技术有限公司 Preventer with wide body flange
CN111911095A (en) * 2020-08-18 2020-11-10 中国石油化工股份有限公司 Pressurized workover device and pressurized workover method for low-pressure oil-water well

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104481424A (en) * 2014-11-07 2015-04-01 中国石油集团长城钻探工程有限公司 Sectional cutting tubing string lifting process of no-killing operation
CN109415928A (en) * 2016-05-02 2019-03-01 卡梅伦技术有限公司 Preventer with wide body flange
US11098550B2 (en) 2016-05-02 2021-08-24 Schlumberger Technology Corporation Blowout preventer with wide flange body
CN109415928B (en) * 2016-05-02 2021-10-08 斯伦贝谢技术有限公司 Blowout preventer with wide flange body
US11174696B2 (en) 2016-05-02 2021-11-16 Schlumberger Technology Corporation Blowout preventer with choke and kill line pass through conduits
CN111911095A (en) * 2020-08-18 2020-11-10 中国石油化工股份有限公司 Pressurized workover device and pressurized workover method for low-pressure oil-water well

Similar Documents

Publication Publication Date Title
CN201778687U (en) Workover rig under pressure for wellhead
CN202467739U (en) Snubbing work-over rig
CN201087717Y (en) Integral high-pressure oil water well operation device under pressure
CN203603818U (en) Low snubbing operation device
CN107965281B (en) Offshore module drilling rig blowout preventer moving device and moving method
GB2603408A (en) Hydraulic workover unit for live well workover
CN203547635U (en) Integrated under-pressure operation device for oil well rods/tubes
CN202946089U (en) Wellhead-rotatable type snubbing device
CN203603819U (en) High-pressure type non-well-kill operation device
CN218780327U (en) Oil pipe pressurized operation equipment with hydraulic control pipe
CN201982029U (en) Working device of well-drilling and repairing rig
CN208057080U (en) A kind of controllable apparatus for work of no killing well
CN217055061U (en) Equipment suitable for operation is pressed in shallow low pressure oil well area
CN202946088U (en) Snubbing device of heavy oil thermal recovery well
CN113250627B (en) Oil pipe centering device for operation under pressure
CN114673461A (en) Equipment suitable for operation is pressed in shallow low pressure oil well area
CN201982035U (en) Independent type high pressure oil-water-gas well snubbing service device
CN103939047B (en) A kind of annular preventer packing unit more changing device
NL2024928B1 (en) Offshore drilling vessel and installation for performing subsea wellbore related activities.
CN210968733U (en) Sea pipe leaking stoppage pipe clamp installation device
CN210221415U (en) Tightness detection device for intermediate body of turbocharger
CN104555833B (en) Method for hoisting steel inner cylinder of chimney
CN218595872U (en) Oil-well rig preventer hoist and mount move fortune system
CN111140183A (en) Self-balancing under-pressure operation device adopting directional slips
CN209127937U (en) A kind of crane rotation support replacement device

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140521

Termination date: 20151209

EXPY Termination of patent right or utility model