CN201024915Y - Jet preventive connecting-tripping device - Google Patents
Jet preventive connecting-tripping device Download PDFInfo
- Publication number
- CN201024915Y CN201024915Y CNU2007201411800U CN200720141180U CN201024915Y CN 201024915 Y CN201024915 Y CN 201024915Y CN U2007201411800 U CNU2007201411800 U CN U2007201411800U CN 200720141180 U CN200720141180 U CN 200720141180U CN 201024915 Y CN201024915 Y CN 201024915Y
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- CN
- China
- Prior art keywords
- sealing
- plug
- tripping device
- pole
- model
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- Expired - Fee Related
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- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The utility model relates to a spraying proof connecting tripping device which can solve the problem of the prior connecting tripping device which has no spraying proof effect. The utility model is characterized in that the lock sleeve(2) is sleeved with a working tube(5); the inner wall of the working tube(5) is provided with a ring shape groove(7) and a step(13); the lower end of the central pole(1) is connected with a sealing plug (6) with a connector(11); the outer wall of the sealing plug(6) is provided with a positioning ring(12) and a O shape sealing ring(9); the lower end of the sealing plug (6) is provided with a pressure discharge valve(8); and the pressure discharge valve(8) is connected with the sealing plug (6) on the O shape sealing ring(9) through the hole of the sealing plug (6). The utility model can prevent the spraying while connecting and separating the oil pump pole with the oil pump piston; and the utility model has the advantages of simple structure, convenient to be used, safe and reliable.
Description
Technical field:
The utility model relates to a kind of oil well pump piston down-hole uncoupling instrument, especially blowout-prevention connecting-tripping device used in the oil recovery field, oil field.
Background technology:
In oil recovery field, oil field, when the construction oil well was carried out underground work, the well that bottom pressure is bigger can spray profit, pollute the well site environment, in order to prevent that this phenomenon from taking place, when operation, need adopt mud lubrication, like this can be to the very big oil recovery amount that influences oil well of formation influence.The on-off connector that the uses butt joint that is mainly used to oil pump plunger piston at present with separate, when underground work, do not have the blowout prevention effect.
The utility model content:
There is not the deficiency of blowout prevention effect in order to overcome existing on-off connector, the utility model provides a kind of blowout-prevention connecting-tripping device, this blowout-prevention connecting-tripping device has also played the blowout prevention effect during in operation when normally finishing the butt joint of sucker rod and oil well pump piston and separating, have simple in structure, easy to use and safe and reliable characteristics.
The technical solution of the utility model is: this blowout-prevention connecting-tripping device comprises center-pole, lock tube, spring and butt joint pawl, lock tube is with seating nipple outward, cannelure that the seating nipple inwall has and step, the lower end of center-pole is connected with the sealing-plug that has joint, locating ring and " O " RunddichtringO are housed on the sealing-plug outer wall, relief valve is equipped with in the sealing-plug lower end, and relief valve communicates with the plug sidewall of " O " RunddichtringO top by the duct of sealing-plug inside.
The two ends of above-mentioned seating nipple have external screw thread; Center-pole is connected with plug thread; On the top center-pole of sealing-plug locking cap is arranged, spring places between locking cap and the lock tube.
The utlity model has following beneficial effect: owing to take such scheme, when underground work is constructed, on carry sucker rod, after lock tube enters seating nipple, be stuck in and discharge the step place, the butt joint pawl is deviate from, and locating ring enters in the cannelure, and locating ring tangles sealing-plug, sealing-plug enters in the seating nipple, sealing-plug seals up the oil pipe passage, has also played the blowout prevention effect during in operation when normally finishing the butt joint of sucker rod and oil well pump piston and separating, and is simple in structure, easy to use, safe and reliable.
Description of drawings:
Accompanying drawing 1 is a structure sectional view of the present utility model.
1-center-pole among the figure, the 2-lock tube, the 3-spring, 4-docks pawl, 5-seating nipple, 6-sealing-plug, 7-cannelure, 8-relief valve, 9-" O " RunddichtringO, 10-locking cap, 11-joint, 12-locating ring, 13-step.
The specific embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing:
By shown in Figure 1, this blowout-prevention connecting-tripping device comprises center-pole 1, lock tube 2, spring 3 and butt joint pawl 4, be with two ends outside the lock tube 2 and have externally threaded seating nipple 5, have step 13 on the inwall of seating nipple 5 tops, the cannelure 7 that seating nipple 5 inwalls have, the lower end screw thread of center-pole 1 is connected with sealing-plug 6, sealing-plug 6 lower ends have joint 11, locating ring 12 and " O " RunddichtringO 9 are housed on sealing-plug 6 outer walls, the relief valve 8 that communicates with sidewall is equipped with in sealing-plug 6 lower ends, and relief valve 8 communicates with sealing-plug 6 sidewalls of " O " RunddichtringO 9 tops by the duct of sealing-plug 6 inside.On the top center-pole 1 of sealing-plug 6 locking cap 10 is arranged, spring 3 places between locking cap 10 and the lock tube 2.
During actual the use, the joint 11 of sealing-plug 6 lower ends is connected with oil pump plunger piston, seating nipple 5 upper and lower sides link to each other with the oil pumping pump barrel with oil pipe respectively, sucker rod with transfer after this device docks, locating ring 12 is moved down, liquid compression, increased pressure in this moment pump barrel, relief valve 8 is opened pressure release, make sealing-plug 6 move up into pump barrel down smoothly, promptly finish butt joint, can normally recover the oil at this moment.When underground work is constructed, on carry sucker rod, after lock tube 2 enters seating nipple 5, be stuck in and discharge step 13 places, butt joint pawl 4 is deviate from, and locating ring 12 enters in the cannelure 7, and locating ring 12 tangles sealing-plug 6, sealing-plug 6 enters in the seating nipple 5, thereby sealing-plug 6 seals up the oil pipe passage, has played the blowout prevention effect when operation, this device is finished snubbing serving with self-styled cooperation of well head oil pipe, simple in structure, easy to use, safe and reliable, guaranteed that liquid is not excessive in the well, accomplished green job execution.
Claims (4)
1. blowout-prevention connecting-tripping device, comprise center-pole (1), lock tube (2), spring (3) and butt joint pawl (4), it is characterized in that: the outer seating nipple (5) that is with of lock tube (2), cannelure (7) that seating nipple (5) inwall has and step (13), the lower end of center-pole (1) is connected with the sealing-plug (6) that has joint (11), locating ring (12) and " O " RunddichtringO (9) are housed on sealing-plug (6) outer wall, relief valve (8) is equipped with in sealing-plug (6) lower end, and relief valve (8) communicates with sealing-plug (6) sidewall of " O " RunddichtringO (9) top by the inner duct of sealing-plug (6).
2. blowout-prevention connecting-tripping device according to claim 1 is characterized in that: the two ends of seating nipple (5) have external screw thread.
3. blowout-prevention connecting-tripping device according to claim 1 is characterized in that: center-pole (1) is threaded with sealing-plug (6).
4. blowout-prevention connecting-tripping device according to claim 3 is characterized in that: on the top center-pole (1) of sealing-plug (6) locking cap (10) is arranged, spring (3) places between locking cap (10) and the lock tube (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201411800U CN201024915Y (en) | 2007-03-29 | 2007-03-29 | Jet preventive connecting-tripping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201411800U CN201024915Y (en) | 2007-03-29 | 2007-03-29 | Jet preventive connecting-tripping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201024915Y true CN201024915Y (en) | 2008-02-20 |
Family
ID=39098772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201411800U Expired - Fee Related CN201024915Y (en) | 2007-03-29 | 2007-03-29 | Jet preventive connecting-tripping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201024915Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677753A (en) * | 2017-02-28 | 2017-05-17 | 曾海江 | Downhole pipe type under-pressure oil extraction device |
| CN117108216A (en) * | 2023-10-23 | 2023-11-24 | 牡丹江市井田石油钻采配件有限公司 | Blowout prevention oil pump disengaging gear convenient for butt joint |
-
2007
- 2007-03-29 CN CNU2007201411800U patent/CN201024915Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106677753A (en) * | 2017-02-28 | 2017-05-17 | 曾海江 | Downhole pipe type under-pressure oil extraction device |
| CN117108216A (en) * | 2023-10-23 | 2023-11-24 | 牡丹江市井田石油钻采配件有限公司 | Blowout prevention oil pump disengaging gear convenient for butt joint |
| CN117108216B (en) * | 2023-10-23 | 2024-01-26 | 牡丹江市井田石油钻采配件有限公司 | Blowout prevention oil pump disengaging gear convenient for butt joint |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080220 Termination date: 20160329 |