CN207017955U - A kind of Operating Pressure maintenance of underground device - Google Patents
A kind of Operating Pressure maintenance of underground device Download PDFInfo
- Publication number
- CN207017955U CN207017955U CN201720558066.1U CN201720558066U CN207017955U CN 207017955 U CN207017955 U CN 207017955U CN 201720558066 U CN201720558066 U CN 201720558066U CN 207017955 U CN207017955 U CN 207017955U
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- pressure
- operating platform
- operating
- outer tube
- support frame
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Abstract
The utility model discloses a kind of Operating Pressure maintenance of underground device, including support frame, outer tube, operating platform, erection device, support frame as described above is weldingly fixed on the downside of operating platform, universal blowout preventer is installed with the outer tube, pressure release passage is connected with the outer tube, automatic decompression valve is provided with the right side of pressure gauge；Erection device is installed with the operating platform, interior conduit is slidably connected in erection device, operating platform both sides are provided with lifting hydraulic cylinder, and lifting hydraulic cylinder upper end is installed with crossbeam, and said inner tube road upper end is provided with double ram type preventer.The device is taken out pipeline by way of hydraulic lifting out of well, improve operating efficiency, it can be operated simultaneously in the case of no killing well, avoid formation damage and yield can be improved, releasing pressure automatically passage is set in well simultaneously, prevent borehole pressure is excessive in well-repairing work from causing blowout or other security incidents, improve safety coefficient.
Description
Technical field
It the utility model is related to a kind of maintenance of underground machinery, specifically a kind of Operating Pressure maintenance of underground device.
Background technology
During developing oil fields, such as strata pressure change, down-hole accident, change mining type, technology, adjustment
Situations such as mined bed, generally require to carry out workover treatment, workover treatment mainly comprises the following steps：First, workover rig acts original
Tubing string in well；2nd, the new tubing string of tripping in, instrument and equipment.If carrying out workover treatment using the mode for washing kill-job, well killing fluid is past
It is past to pollute stratum, cause yield to decline, while kill-job operation needs substantial amounts of time and energy consumption are washed, discharge well killing fluid is also required to
Time, also need to carry out extra process, increase cost.
Utility model content
The purpose of this utility model is to provide a kind of energy releasing pressure automatically, the Operating Pressure well of safe and efficient, efficient well workover
Lower maintenance unit, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical scheme：
A kind of Operating Pressure maintenance of underground device, including support frame, outer tube, operating platform, erection device, the support
Frame is weldingly fixed on the downside of operating platform, can adjust the height of operating platform according to the operation height of reality, on the outer tube
Universal blowout preventer is installed with, lower slipses are provided with above universal blowout preventer, lower slipses, which play to block and hang, holds outer tube, described
Triple ram preventer is connected with lower slipses, is bolted to connection between triple ram preventer and lower slipses, the overcoat
Pressure release passage is connected with pipe, pressure release passage is provided with pressure gauge below universal blowout preventer on pressure release passage, pressure gauge can be with
When monitor pressure condition in petroleum pipeline, automatic decompression valve is provided with the right side of pressure gauge, on pressure release passage, when pipe internal pressure
When power is more than automatic decompression valve setting value, automatic decompression valve is opened, and pressure release passage tail end is provided with collecting box, when overpressure is big
When automatic decompression valve setting value, automatic decompression valve is opened, and reduces overpressure, because automatic decompression valve is check valve, is collected
Pressure can not be flowed back in case, and when overpressure is less than automatic decompression valve setting value, automatic decompression valve is closed, pressure leak process knot
Beam；Erection device is installed with the operating platform, interior conduit, the operating platform two are slidably connected in erection device
Side is provided with lifting hydraulic cylinder, and lifting hydraulic cylinder upper end is installed with crossbeam, fastening slips is provided with the downside of crossbeam, fastens slips
Interior conduit is fixed, prevents from dropping, said inner tube road upper end is provided with double ram type preventer, and double ram type preventer is consolidated by bolt
Surely it is connected on interior conduit, when having needed interior conduit, closes double ram type preventer, be fixed on interior conduit by fastening slips
On crossbeam, moved upwards by starting lifting hydraulic cylinder, interior conduit is taken out from outer tube, when interior conduit takes out, closed
Lower section universal blowout preventer and triple ram preventer, oil blowout in pipeline is prevented, staircase is hinged with the left of the operating platform, side
Convenient to operate personnel's down operation platform.
As further program of the utility model：Support frame as described above both sides are symmetrically installed, and support frame is stretching structure.
As the utility model further scheme：The company of being bolted between the lower slipses and universal blowout preventer
Connect.
As the utility model further scheme：The automatic decompression valve is check valve.
As the utility model further scheme：The staircase is obliquely installed, and angle of inclination is 30-40 °.
Compared with prior art, the beneficial effects of the utility model are：The device is by way of hydraulic lifting by pipeline
Taken out out of well, improve operating efficiency, while can be operated in the case of no killing well, avoided formation damage and can improve
Yield, while releasing pressure automatically passage is set in well, prevent in well-repairing work borehole pressure it is excessive cause blowout or other
Security incident, improve safety coefficient.
Brief description of the drawings
Fig. 1 is a kind of structural representation of Operating Pressure maintenance of underground device.
Fig. 2 is the structural representation that lifting hydraulic cylinder moves upwards in a kind of Operating Pressure maintenance of underground device.
In figure：1- support frames, 2- outer tubes, 3- universal blowout preventers, 4- lower slipses, 5- triple ram preventers, 6- pressure releases are led to
Road, 7- pressure gauges, 8- automatic decompression valves, 9- collecting boxs, 10- operating platforms, 11- erection devices, 12- lifting hydraulic cylinders, in 13-
Pipeline, 14- crossbeams, 15- fastenings slips, 16- double ram type preventers, 17- staircases.
Embodiment
The technical scheme of this patent is described in more detail with reference to embodiment.
Fig. 1-2, a kind of Operating Pressure maintenance of underground device, including support frame 1, outer tube 2, operating platform 10 are referred to,
Erection device 11, support frame as described above 1 are weldingly fixed on the downside of operating platform 10, and the both sides of support frame 1 are symmetrically installed, and support frame 1 is
Stretching structure, the height of operating platform 10 can be adjusted according to the operation height of reality, is installed with the outer tube 2 omnipotent
Preventer 3, the top of universal blowout preventer 3 are provided with lower slipses 4, are bolted to connection between lower slipses 4 and universal blowout preventer 3,
Lower slipses 4 play block and it is outstanding holds outer tube 2, be connected with triple ram preventer 5 on the lower slipses 4, triple ram preventer 5 with
It is bolted to connection between lower slipses 4, pressure release passage 6 is connected with the outer tube 2, pressure release passage 6 is in omnipotent blowout prevention
Below device 3, pressure gauge 7 is installed on pressure release passage 6, pressure gauge 7 can monitor the pressure condition in petroleum pipeline, pressure gauge at any time
7 right sides are provided with automatic decompression valve 8, and on pressure release passage 6, automatic decompression valve 8 is check valve, when overpressure is more than automatically
During 8 setting value of relief valve, automatic decompression valve 8 is opened, and the tail end of pressure release passage 6 is provided with collecting box 9, when overpressure is more than automatically
During 8 setting value of relief valve, automatic decompression valve 8 is opened, and reduces overpressure, because automatic decompression valve 8 is check valve, collecting box 9
Interior pressure can not be flowed back, and when overpressure is less than 8 setting value of automatic decompression valve, automatic decompression valve 8 is closed, pressure leak process knot
Beam；Erection device 11 is installed with the operating platform 10, interior conduit 13, the behaviour are slidably connected in erection device 11
Make the both sides of platform 10 and be provided with lifting hydraulic cylinder 12, the upper end of lifting hydraulic cylinder 12 is installed with crossbeam 14, and the downside of crossbeam 14 is installed
There is fastening slips 15, interior conduit 13 is fixed, prevents from dropping, the upper end of said inner tube road 13 is provided with double disc and prevented by fastening slips 15
Spray apparatus 16, double ram type preventer 16 are bolted to connection on interior conduit 13, when having needed interior conduit 13, close double-gate
Plate preventer 16, interior conduit is fixed on crossbeam 14 by fastening slips 15, moved upwards by starting lifting hydraulic cylinder 12,
Interior conduit 13 is taken out from outer tube 2, when interior conduit 13 takes out, closes lower section universal blowout preventer 3 and triple ram preventer
5, oil blowout in pipeline is prevented, the left side of operating platform 10 is hinged with staircase 17, and staircase 17 is obliquely installed, and angle of inclination is
30-40 °, facilitate operating personnel's down operation platform.
Operation principle of the present utility model is：When having needed interior conduit 13, double ram type preventer 16 is closed, by tight
Gu interior conduit is fixed on crossbeam 14 by slips 15, moved upwards by starting lifting hydraulic cylinder 12, by interior conduit 13 from overcoat
Taken out in pipe 2, when interior conduit 13 takes out, close lower section universal blowout preventer 3 and triple ram preventer 5, prevent oil in pipeline
Blowout；When overpressure is more than 8 setting value of automatic decompression valve, automatic decompression valve 8 is opened, and reduces overpressure, due to automatic
Relief valve 8 is check valve, and pressure can not flow back in collecting box 9, when overpressure is less than 8 setting value of automatic decompression valve, automatically
Relief valve 8 is closed, and pressure leak process terminates.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party
Formula, can also be on the premise of this patent objective not be departed from one skilled in the relevant art's possessed knowledge
Make a variety of changes.
Claims (5)
1. a kind of Operating Pressure maintenance of underground device, including support frame (1), outer tube (2), operating platform (10), erection device
(11), it is characterised in that：Support frame as described above (1) is weldingly fixed on the downside of operating platform (10), fixed peace on the outer tube (2)
Equipped with universal blowout preventer (3), lower slipses (4) are provided with above universal blowout preventer (3), three flashboard blowout preventions are connected with lower slipses (4)
Device (5), the outer tube (2) is interior to be connected with pressure release passage (6), and pressure release passage (6) below universal blowout preventer (3), lead to by pressure release
Pressure gauge (7) is installed on road (6), automatic decompression valve (8) is provided with the right side of pressure gauge (7), on pressure release passage (6), lets out
Pressure passageway (6) tail end is provided with collecting box (9)；Erection device (11), righting dress are installed with the operating platform (10)
Put in (11) and slidably connect interior conduit (13), operating platform (10) both sides are provided with lifting hydraulic cylinder (12), lifting hydraulic cylinder
(12) upper end is installed with crossbeam (14), and centre position is provided with fastening slips (15), said inner tube road on the downside of crossbeam (14)
(13) upper end is provided with double ram type preventer (16), and double ram type preventer (16) is bolted to connection in interior conduit (13)
On, staircase (17) is hinged with the left of the operating platform (10), staircase (17) is obliquely installed.
A kind of 2. Operating Pressure maintenance of underground device according to claim 1, it is characterised in that：Support frame as described above (1) two
Side is symmetrically installed, and support frame (1) is stretching structure.
A kind of 3. Operating Pressure maintenance of underground device according to claim 1, it is characterised in that：The lower slipses (4) with
Universal blowout preventer is bolted to connection between (3).
A kind of 4. Operating Pressure maintenance of underground device according to claim 1, it is characterised in that：The automatic decompression valve
(8) it is check valve.
A kind of 5. Operating Pressure maintenance of underground device according to claim 1, it is characterised in that：The staircase (17) tilts
Set, angle of inclination is 30-40 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558066.1U CN207017955U (en) | 2017-05-19 | 2017-05-19 | A kind of Operating Pressure maintenance of underground device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720558066.1U CN207017955U (en) | 2017-05-19 | 2017-05-19 | A kind of Operating Pressure maintenance of underground device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207017955U true CN207017955U (en) | 2018-02-16 |
Family
ID=61476256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720558066.1U Active CN207017955U (en) | 2017-05-19 | 2017-05-19 | A kind of Operating Pressure maintenance of underground device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207017955U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441395A (en) * | 2019-01-08 | 2019-03-08 | 成都百胜野牛科技有限公司 | A kind of preventer and oil/gas well |
| 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 |
-
2017
- 2017-05-19 CN CN201720558066.1U patent/CN207017955U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109441395A (en) * | 2019-01-08 | 2019-03-08 | 成都百胜野牛科技有限公司 | A kind of preventer and oil/gas well |
| 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 |
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