CN2835537Y - Apparatus for stripping sucker rod under pressure for oil well - Google Patents
Apparatus for stripping sucker rod under pressure for oil well Download PDFInfo
- Publication number
- CN2835537Y CN2835537Y CN 200520092170 CN200520092170U CN2835537Y CN 2835537 Y CN2835537 Y CN 2835537Y CN 200520092170 CN200520092170 CN 200520092170 CN 200520092170 U CN200520092170 U CN 200520092170U CN 2835537 Y CN2835537 Y CN 2835537Y
- Authority
- CN
- China
- Prior art keywords
- sucker rod
- hydraulic
- oil
- slip
- lubricator
- 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
Links
Images
Landscapes
- Earth Drilling (AREA)
Abstract
The utility model relates to a sucker rod stripping device for the pressure work of an oil well, which is used for the workover job of oil wells in oil fields. The upper end of a single ram-type blowout preventer is connected with a lubricator through a slip; the upper end of the lubricator is connected with a hydraulic sealer through a slip; an oil recovery pup joint, a sucker rod self seal and a fixed slip are arranged above the hydraulic sealer and mutually and orderly connected through slips; a lower cross beam is arranged between the hydraulic sealer and the oil recovery pup joint; the lower end of a sliding slip is connected with a sliding cross beam. The utility model has the advantages of reasonable design and reliable operation; the utility model can be used for guaranteeing the safety of the sucker rod stripping operation of oil wells, avoiding the occurrence of accidents such as the ejection of the sucker rod, etc. and the pollution to the oil layer and the ground surface when well killing hydraulic wells are used, protecting the productivity of the oil and gas layers and providing technical and substance guarantee to the pressure work of the oil wells.
Description
Technical field:
The utility model relates to a kind of wellhead assembly that is used for the oilfield workover treatment.
Background technology:
Playing sucker rod is one of the operation that must carry out in the pumpingh well workover operation construction process.At present, owing to lack the isolated plant that Operating Pressure plays sucker rod, the on-the-spot needs usually when the pumpingh well operation plays sucker rod uses the well killing fluid kill-job to spray well head to prevent sucker rod under the down-hole pressure effect, avoids security incident.Though do the purpose that can reach safety work like this, can cause well killing fluid to oil layer pollution, cause reservoir productivity and oil well output to reduce.
Summary of the invention:
The purpose of this utility model is to provide a kind of oil well that can guarantee to play that the sucker rod job safety is carried out and the oil well Operating Pressure that can avoid oil reservoir is polluted plays the sucker rod device.
The utility model is to realize like this.This kind band has pressed the sucker rod device to comprise well control sealing system, pressurization dynamical system and hydraulic control system three parts, self-styled by traveling slip, the crossbeam that moves about, top rail, stationary slip, sucker rod, receive oily pipe nipple, swab case, lower transverse beam, hydraulic packing device, hydraulic cylinder, lubricator, single disc blowout preventer and hydraulic control system and form, single disc blowout preventer upper end is connected with lubricator with slips, and the lubricator upper end is connected with the hydraulic packing device with slips; Hydraulic packing device top is provided with receives oily pipe nipple, self-styled, the stationary slip of sucker rod, is connected with slips successively each other, is provided with lower transverse beam between hydraulic packing device and the oily pipe nipple of receipts; The stationary slip upper end is connected with top rail, and the traveling slip lower end is connected with the crossbeam that moves about; Move about crossbeam, top rail both sides has been hinged with vertical hydraulic cylinder respectively by set bolt, receives the oily pipe nipple outside and is set with swab case; Hydraulic cylinder is connected with hydraulic control system by fluid pressure line.Wherein, the well control sealing system comprises half ram preventer (also claiming " half envelope "), lubricator, the hydraulic packing device, it is self-styled to receive oily pipe nipple and sucker rod, its effect is the annular space that has sealed when the oil well band has been pressed sucker rod between sucker rod and the oil pipe, (hereinafter to be referred as " rod tube annular space "), prevent liquid ejection well head contaminated environment in the oil pipe, closed rod pipe ring sky when single ram type perventer is mainly used to other seals above changing it, rise in the sucker rod process and generally need not, the effect of hydraulic packing device is a seal bar pipe ring sky in playing the sucker rod work progress, the self-styled effect of oily pipe nipple and sucker rod of receiving be when gathering up the lower sucker rod box cupling because of the poorly sealed liquid that sprays of hydraulic packing device, be discharged in the swab case then and drain in the fixed equipment again.The pressurization dynamical system comprises top rail, lower transverse beam, the crossbeam that moves about, hydraulic cylinder, stationary slip, traveling slip rely on hydraulic cylinder, stationary slip, traveling slip promote or transfer sucker rod, lower transverse beam plays the stabilizing solution cylinder pressure, the hydraulic cylinder upper end cover is connected with top rail, the middle and lower part is connected with lower transverse beam, the chamber inner piston rod is connected with the crossbeam that moves about, and its stability is strengthened.Hydraulic control system mainly is a hydraulic control panel, because the well head control section requires fluid control pressure not high, thereby hydraulic power adopts workover rig hydraulic tongs hydraulic power to satisfy, hydraulic control panel is drawn out to operating desk with down-hole pressure from well head, is convenient to the variation that the operator observes oil well pressure at any time.This kind band has pressed the use of sucker rod device, the course of work as follows: after the oil well job execution is ready, at first a gate is installed at well head, then, the integral installation band has been pressed the sucker rod device, well head install order for single ram type perventer, lubricator, hydraulic packing device be installed, received oily pipe nipple, sucker rod is self-styled, stationary slip and traveling slip; Then, use hydraulic cylinder, stationary slip, traveling slip and the hydraulic packing device handling sucker rod of exerting pressure, and then implement other technological measure.
The utility model compactness reasonable in design; reliable operation; utilize it both can guarantee oil well rise the sucker rod job execution safely, avoid the generation of accidents such as sucker rod ejection; can avoid adopting the pollution of well killing fluid kill-job again to oil reservoir and ground; the production capacity of protection oil-gas Layer provides technology and material guarantee for the oil well Operating Pressure.
Description of drawings:
Accompanying drawing is a structural representation of the present utility model.
The specific embodiment:
Below in conjunction with accompanying drawing enforcement of the present utility model is illustrated.
As shown in the figure, the utility model is self-styled 5 by traveling slip 1, the crossbeam 2 that moves about, top rail 3, stationary slip 4, sucker rod, receive oily pipe nipple 6, swab case 7, lower transverse beam 8, hydraulic packing device 9, hydraulic cylinder 10, lubricator 11, single disc blowout preventer 12 and hydraulic control system 13 (not drawing among the figure) forms, its structure, assembled relation are as follows: single disc blowout preventer 12 upper ends are connected with lubricator 11 with slips, and lubricator 11 upper ends are connected with hydraulic packing device 9 with slips; Hydraulic packing device 9 tops are provided with receives self-styled 5, the stationary slip 4 of oily pipe nipple 6, sucker rod, is connected with slips successively each other, is provided with lower transverse beam 8 between hydraulic packing device 9 and the oily pipe nipple 6 of receipts; Stationary slip 4 upper ends are connected with top rail 3, and traveling slip 1 lower end is connected with the crossbeam 2 that moves about; Move about crossbeam 2, top rail 3 both sides has been hinged with vertical hydraulic cylinder 10 respectively by set bolt, receives oily pipe nipple 6 outsides and is set with swab case 7; Hydraulic cylinder 10 is connected with hydraulic control system 13 by fluid pressure line.Wherein, hydraulic cylinder 10 is for being provided with the cylinder block of piston rod in the chamber, and its upper end cover is connected for flange with top rail 3, and inner piston rod upper end in chamber is connected with the crossbeam 2 that moves about, and the cylinder body middle and lower part is connected with lower transverse beam 8.Hydraulic control system 13 mainly is a hydraulic control panel, hydraulic power adopts workover rig hydraulic tongs hydraulic power, pressure rating is 21MPa, if 6 groups of control valves, and the outfit total capacity is the accumulator of 16L * 4, accumulator can provide the high-pressure and hydraulic oil of lifting fluid cylinder, and can gear pump stop the worker and or system leak, pressure reduction etc. in emergency circumstances in time open the accumulator stop valve, close the generation that well head prevents accident.
Claims (1)
1, a kind of oil well Operating Pressure plays the sucker rod device, it by traveling slip (1), the crossbeam that moves about (2), top rail (3), stationary slip (4), sucker rod self-styled (5), receive oily pipe nipple (6), swab case (7), lower transverse beam (8), hydraulic packing device (9), hydraulic cylinder (10), lubricator (11), single disc blowout preventer (12) and hydraulic control system (13) and form, it is characterized in that: single disc blowout preventer (12) upper end is connected with lubricator (11) with slips, and lubricator (11) upper end is connected with hydraulic packing device (9) with slips; Hydraulic packing device (9) top is provided with receives oily pipe nipple (6), sucker rod self-styled (5), stationary slip (4), is connected with slips successively each other, is provided with lower transverse beam (8) between hydraulic packing device (9) and the oily pipe nipples of receipts (6); Stationary slip (4) upper end is connected with top rail (3), and traveling slip (1) lower end is connected with the crossbeam that moves about (2); Move about crossbeam (2), top rail (3) both sides has been hinged with vertical hydraulic cylinder (10) respectively by set bolt, receives oily pipe nipple (6) outside and is set with swab case (7); Hydraulic cylinder (10) is connected with hydraulic control system (13) by fluid pressure line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520092170 CN2835537Y (en) | 2005-08-11 | 2005-08-11 | Apparatus for stripping sucker rod under pressure for oil well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520092170 CN2835537Y (en) | 2005-08-11 | 2005-08-11 | Apparatus for stripping sucker rod under pressure for oil well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2835537Y true CN2835537Y (en) | 2006-11-08 |
Family
ID=37300193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520092170 Expired - Fee Related CN2835537Y (en) | 2005-08-11 | 2005-08-11 | Apparatus for stripping sucker rod under pressure for oil well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2835537Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864904A (en) * | 2010-06-09 | 2010-10-20 | 李呈祥 | Operation device for stripping sucker rod at pressure |
| WO2014056409A1 (en) * | 2012-10-10 | 2014-04-17 | 松原市前进石油工程机械有限公司 | Method of continuously raising and lowering oilfield shaft drillstring and twin travelling slips apparatus |
| CN108590616A (en) * | 2018-05-07 | 2018-09-28 | 中石化石油工程技术服务有限公司 | Underground fracture tubing string drags pressure method and its pressue device and application method |
| CN110005361A (en) * | 2019-05-09 | 2019-07-12 | 刘希明 | Coal bed gas well repairing device with pressure and method for well fixing |
| CN111255388A (en) * | 2020-01-10 | 2020-06-09 | 中国石油化工股份有限公司 | Opening clamping control device and method |
| CN113250627A (en) * | 2021-06-29 | 2021-08-13 | 四川圣诺油气工程技术服务有限公司 | Oil pipe centering device for operation under pressure |
-
2005
- 2005-08-11 CN CN 200520092170 patent/CN2835537Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101864904A (en) * | 2010-06-09 | 2010-10-20 | 李呈祥 | Operation device for stripping sucker rod at pressure |
| CN101864904B (en) * | 2010-06-09 | 2013-09-04 | 李呈祥 | Operation device for stripping sucker rod at pressure |
| WO2014056409A1 (en) * | 2012-10-10 | 2014-04-17 | 松原市前进石油工程机械有限公司 | Method of continuously raising and lowering oilfield shaft drillstring and twin travelling slips apparatus |
| CN108590616A (en) * | 2018-05-07 | 2018-09-28 | 中石化石油工程技术服务有限公司 | Underground fracture tubing string drags pressure method and its pressue device and application method |
| CN110005361A (en) * | 2019-05-09 | 2019-07-12 | 刘希明 | Coal bed gas well repairing device with pressure and method for well fixing |
| CN110005361B (en) * | 2019-05-09 | 2024-01-12 | 刘希明 | Pressurized coal bed methane well repairing device and well repairing method |
| CN111255388A (en) * | 2020-01-10 | 2020-06-09 | 中国石油化工股份有限公司 | Opening clamping control device and method |
| CN113250627A (en) * | 2021-06-29 | 2021-08-13 | 四川圣诺油气工程技术服务有限公司 | Oil pipe centering device for operation under pressure |
| CN113250627B (en) * | 2021-06-29 | 2021-09-10 | 四川圣诺油气工程技术服务有限公司 | Oil pipe centering device for operation under pressure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP1907664B1 (en) | System and method for dynamic sealing around a drill stem | |
| CN2835537Y (en) | Apparatus for stripping sucker rod under pressure for oil well | |
| CN1325753C (en) | Apparatus for work under pressure for oil-water well | |
| US11187054B2 (en) | BOP booster piston assembly and method | |
| US5372202A (en) | Wellhead isolation tool and method of use | |
| CN201087716Y (en) | Top-fixed slip expansion joint type operation device under pressure | |
| US10081999B2 (en) | Downhole occluder, pressurized sucker rod and operation technique to repair oil pipes | |
| CN108019178B (en) | Construction method for plugging production pipe column under pressure in pipe | |
| CA2421348A1 (en) | Apparatus for controlling a tool having a mandrel that must be stroked into or out of a well | |
| CN103993852A (en) | Blowout prevention system for snubbing liquid seal gas well mouth of gas well | |
| US5332044A (en) | Wellhead isolation tool and method of use | |
| CN104863538B (en) | Band pressure blocks setting blowout preventer | |
| CN205823229U (en) | A kind of continuous oil pipe anti-blow-out box | |
| CN203161116U (en) | Well killing free under-pressure working device | |
| CN206571459U (en) | Integral type operation device under pressure for oil-water well | |
| CN202467747U (en) | Anti-spraying device of continuous oil pipe working wellhead | |
| CN105239953A (en) | Blowout-preventive operation device for lifting and lowering rod pipe under pressure | |
| CN204646137U (en) | A kind of low-pressure gas well operation device under pressure | |
| CN208057080U (en) | A kind of controllable apparatus for work of no killing well | |
| CN203321365U (en) | Controllable sucker rod tripping device | |
| CN104775764A (en) | Under-pressure operating device for low-pressure gas well | |
| CN202745769U (en) | Under-pressure tripping-in device of continuous tube overlong drilling tool | |
| CN113404458B (en) | Floating sealing device and pressurized workover treatment method for starting openable tool | |
| CN200985766Y (en) | Hollow oil cylinder type no-killing well repairing well head device | |
| CN104895521B (en) | Coal bed gas well Operating Pressure is equipped |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061108 Termination date: 20090911 |