CN202330176U - Liquid-operated pressure tester for oil pipe - Google Patents
Liquid-operated pressure tester for oil pipe Download PDFInfo
- Publication number
- CN202330176U CN202330176U CN2011204501222U CN201120450122U CN202330176U CN 202330176 U CN202330176 U CN 202330176U CN 2011204501222 U CN2011204501222 U CN 2011204501222U CN 201120450122 U CN201120450122 U CN 201120450122U CN 202330176 U CN202330176 U CN 202330176U
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- plunger
- moving body
- plungers
- valve
- pressure testing
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Abstract
The utility model relates to a liquid-operated pressure tester for an oil pipe. The liquid-operated pressure tester comprises a body, a hydraulic motor, an eccentric shaft, two plungers and two plunger sleeves. The plunger sleeves are symmetrically arranged on the left and right sides of the body. The hydraulic motor is arranged on the rear part of the body. The plungers are arranged in the body, and slide in the plunger sleeves on the left and right sides respectively. A moving body with an inner hole is fixedly connected between the plungers. A piston is arranged in the inner hole of the moving body, and is connected with the eccentric shaft extended into the body. The eccentric shaft drives the piston to move up and down in the inner hole of the moving body, and simultaneously drives the moving body and the two plungers to wholly horizontally move leftwards and rightwards. The plungers reciprocally move in corresponding plunger sleeves to realize water injection pressure testing. The liquid-operated pressure tester has a simple structure, a small volume, a light weight, high displacement of 15 liters per hour, and highest working pressure of 35MPa, is flexibly and conveniently carried, and can be applied to the rapid water injection pressure testing of various underground places in oilfields.
Description
Technical field
The utility model relates to a kind of test pump, specifically a kind of hydraulic oil pressure testing machine that is used for the oil-field flooding pressure testing.
Background technology
We know that the oil field is in exploration and exploitation, and a lot of occasions need the water filling pressure testing.As oil pipe pour water, pressure testing; Oil field well fracturing of separate layers, separate layer acid treatment, water filling when bridging plug is beaten in the formation testing by layer construction, pressure testing; Well-flushing, well workover, water filling when making packer, pressure testing; Completion, play water filling when giving up, pressure testing.Particularly in the workover treatment process, to preventer and well head set-up, the oil pipe internal mechanism will carry out pressure test.
At present, what generally use on the oil field is special-purpose pump truck such as cementing truck, accomplishes the operations in above-mentioned occasion and the well workover process.The cementing truck structure is huge, and cost is high, and maintenance cost is many, very flexible, and transportation, use cost are also big, and some occasion is suitable for, can not uses.Like sleet weather, pump truck (cementing truck) tank car is difficult to operate as normal under the relatively poor situation of road conditions.And use common ram pump to be mostly to pass through linkage assembly at present by excentric shaft at oil field operation, and be converted into the plunger to-and-fro movement in the plunger bushing to rotatablely moving of excentric shaft, suck liquid through suction valve, through the exhaust valve discharged liquid.It is mainly used in oil field operation, and is also inapplicable for the water filling pressure testing of above-mentioned multiple occasion.
Summary of the invention
The utility model technical matters to be solved is the deficiency that overcomes above-mentioned prior art, and a kind of compact conformation is provided, and is easy and simple to handle, safety, and volume is little, and is in light weight, and pressure is high, and carrying is flexibly, and is easy to maintenance, substitutes the hydraulic oil pressure testing machine of existing pump truck function.
The technical scheme that the utility model solves the problems of the technologies described above employing is: a kind of hydraulic oil pressure testing machine; Drainpipe, water tank that it comprises body, oil motor, excentric shaft, plunger bushing and slides on the water inlet pipe that has suction valve of the interior plunger of plunger bushing, joint pin plug sleeve and have exhaust valve; Water tank is rack-mount, and body is installed on the water tank, it is characterized in that: two plunger bushings are installed in the left and right sides of body respectively through orienting sleeve and O-ring seal and holding screw symmetry; Oil motor is installed in After-Body; Through the excentric shaft of Bearing Installation one by the oil motor drive, be provided with two plungers that slide on respectively in the plunger bushing of the left and right sides in the body in the After-Body endoporus, the plunger center fixed connects the moving body of a band endoporus; One piston is housed in the moving body endoporus; The piston excentric shaft interior with stretching into body is connected, and drives piston by excentric shaft and in the moving body endoporus, moves up and down, and drives moving body and two plunger integral level move left and right simultaneously; Plunger to-and-fro movement in corresponding plunger bushing realizes the water filling pressure testing.
The said exhaust valve of the utility model is connected on the plunger bushing through valve pocket, connects a valve seat through middle connecting leg between two valve pockets, connects a water pressure gauge above the valve seat, and the front portion is connected with drainpipe, and the rear portion connects the release handle.
The utility model is owing to adopt oil motor to drive the to-and-fro movement in the plunger bushing of the left and right sides of a pair of plunger, the needs of satisfy the quick water filling of oil pipe, suppressing fast.Against existing technologies, the utility model is simple in structure, and volume is little, in light weight, and carrying is flexible, convenient, and discharge capacity is big, per hour can reach 15 sides, and pressure is high, and maximum working pressure (MOP) 35Mpa is applicable to the quick water filling pressure testing of the multiple occasion in down-hole, oil field.Save and irritate car and manpower and materials, increase and get the well workover time, increase economic efficiency greatly and work efficiency.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further specified.
Fig. 1 is the structural representation of the utility model.
Fig. 2 be among Fig. 1 A-A to cut-away view.
Label among the figure is: 1. drainpipe, 2. water pressure gauge, 3. valve seat, 4. release handle, 5. excentric shaft, 6. oil pressure gauge; 7. hydraulic valve, 8. high-pressure oil pipe, 9. oil motor, 10. water tank, 11. cocks of water drain, 12. valve pockets; 13. exhaust valve, 14. plunger bushings, 15. air releases, 16. suction valves, 17. setting nuts, 18. orienting sleeves; 19. O-ring seal, 20. plungers, 21. moving bodys, 22. pistons, 23. bodies.
Embodiment
From Fig. 1, Fig. 2, can find out; A kind of hydraulic oil pressure testing machine; Drainpipe 1, water tank 10 that it comprises body 23, oil motor 9, excentric shaft 5, plunger bushing 14 and slides on the water inlet pipe that has suction valve 16 of plunger 20 in the plunger bushing 14, joint pin plug sleeve 14 and have exhaust valve 13; Water tank 10 is rack-mount, and body 23 is installed on the water tank 10.Be provided with filter cleaner in the water tank 10, water tank 10 is provided with cock of water drain 11, and plunger bushing 14 is connected with water tank 10 through the water inlet pipe that has suction valve 16.To-and-fro movement in plunger 20 plunger bushings 14, fluid gets in the plunger bushing 14 through suction valve 16 suction backs, and plunger 20 to-and-fro movement compressing and converting are water under high pressure, get into drainpipe 1 through exhaust valve 13.Suction valve 16 is retaining valves with exhaust valve 13, guarantees the unidirectional blocking of pipeline.
Said two plunger bushings 14 of the utility model are installed in the left and right sides of body 23 respectively through orienting sleeve 18 and O-ring seal 19 and holding screw symmetry; Plunger bushing 14 inboards also are provided with setting nut 17, and are fastening through setting nut 17, orienting sleeve 18 and O-ring seal 19 combination sealings; Stable performance, wear-resisting.Also be provided with air release 15 on the plunger bushing 14.Oil motor 9 is installed in body 23 rear portions.Be connected with oil pressure gauge 6, hydraulic valve 7, high-pressure oil pipe 8 on the oil motor 9, its effect is the rotating speed of control oil motor 9.The power resources of oil motor 9 are to utilize the hydraulic system of workover rig or tractor hoist afterbody.
The excentric shaft 5 that drives by oil motor 9 through Bearing Installation one in the utility model body 23 rear portion endoporus, bearing is equipped with in excentric shaft 5 outsides, and excentric shaft 5 endoporus are packed on oil motor 9 splined shafts.Be provided with two plungers 20 that slide on respectively in the left and right sides plunger bushing 14 in the body 23; Plunger 20 center fixed connect the moving body 21 of a band endoporus; One piston 22 is housed in moving body 21 endoporus, and piston 22 excentric shaft 5 one ends interior with stretching into body are connected, and drive pistons 22 by excentric shaft 5 and in moving body 21 endoporus, move up and down; Drive moving body 21 and two plunger 20 integral level move left and right simultaneously; Plunger 20 to-and-fro movement in corresponding plunger bushing 14, the horizontal reciprocating movement of completion moving body 21, piston 22, plunger 20 is realized the water filling pressure testing.
The said exhaust valve 13 of the utility model is connected on the plunger bushing 14 through valve pocket 12, connects a valve seat 3 through middle connecting leg between two valve pockets 12, connects a water pressure gauge above the valve seat 3, and the front portion is connected with drainpipe 1, and the rear portion connects release handle 4.Drainpipe 1 other end is connected with the well head oil pipe.
The utility model adopts oil motor to drive the to-and-fro movement in plunger bushing of a pair of plunger.Oil motor can be done power source with the hydraulic oil pump of workover rig and tractor hoist.The utility model can be installed on workover rig and the tractor hoist, and well workover not electricity consumption of scene guarantees availablely at any time, guarantees job scheduling.The utility model is simple in structure, and volume is little, in light weight, and carrying is flexible, convenient, and discharge capacity is big, per hour can reach 15 sides, and pressure is high, and maximum working pressure (MOP) 35Mpa is applicable to the quick water filling pressure testing of the multiple occasion in down-hole, oil field.
Claims (2)
1. hydraulic oil pressure testing machine, drainpipe, water tank that it comprises body, oil motor, excentric shaft, plunger bushing and slides on the water inlet pipe that has suction valve of plunger in the plunger bushing, joint pin plug sleeve and have exhaust valve, water tank is rack-mount; Body is installed on the water tank; It is characterized in that: two plunger bushings are installed in the left and right sides of body respectively through orienting sleeve and O-ring seal symmetry, oil motor is installed in After-Body, the excentric shaft that is driven by oil motor through Bearing Installation one in the After-Body endoporus; Be provided with two plungers that slide on respectively in the plunger bushing of the left and right sides in the body; The plunger center fixed connects the moving body of a band endoporus, and a piston is housed in the moving body endoporus, and the piston excentric shaft interior with stretching into body is connected; Driving piston by excentric shaft moves up and down in the moving body endoporus; Drive moving body and two plunger integral level move left and right simultaneously, plunger to-and-fro movement in corresponding plunger bushing realizes the water filling pressure testing.
2. hydraulic oil pressure testing machine according to claim 1; It is characterized in that: said exhaust valve is connected on the plunger bushing through valve pocket, connects a valve seat through middle connecting leg between two valve pockets, connects a water pressure gauge above the valve seat; The front portion is connected with drainpipe, and the rear portion connects the release handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204501222U CN202330176U (en) | 2011-11-15 | 2011-11-15 | Liquid-operated pressure tester for oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204501222U CN202330176U (en) | 2011-11-15 | 2011-11-15 | Liquid-operated pressure tester for oil pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202330176U true CN202330176U (en) | 2012-07-11 |
Family
ID=46442154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204501222U Expired - Fee Related CN202330176U (en) | 2011-11-15 | 2011-11-15 | Liquid-operated pressure tester for oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202330176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593451A (en) * | 2018-05-30 | 2018-09-28 | 天津赛瑞创享科技有限公司 | A kind of novel pressure-measuring method of hydraulic press |
-
2011
- 2011-11-15 CN CN2011204501222U patent/CN202330176U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108593451A (en) * | 2018-05-30 | 2018-09-28 | 天津赛瑞创享科技有限公司 | A kind of novel pressure-measuring method of hydraulic press |
| CN108593451B (en) * | 2018-05-30 | 2020-10-09 | 天津赛瑞创享科技有限公司 | Novel pressure testing method for hydraulic press |
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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: 20120711 Termination date: 20121115 |