CN205370488U - Oil well hydraulic pressure is carried and is drawn fishing device - Google Patents
Oil well hydraulic pressure is carried and is drawn fishing device Download PDFInfo
- Publication number
- CN205370488U CN205370488U CN201521038506.8U CN201521038506U CN205370488U CN 205370488 U CN205370488 U CN 205370488U CN 201521038506 U CN201521038506 U CN 201521038506U CN 205370488 U CN205370488 U CN 205370488U
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- China
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- hydraulic cylinder
- pneumatic cylinder
- joint
- hydraulic
- oil well
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Abstract
The utility model relates to an oil well hydraulic pressure is carried and is drawn fishing device, by first pneumatic cylinder, second pneumatic cylinder, third pneumatic cylinder series connection one -tenth multistage hydraulic, the piston that the hydraulic pressure intracavity of first pneumatic cylinder, second pneumatic cylinder, third pneumatic cylinder all was equipped with the piston rod and was connected with the piston rod, the both ends of second pneumatic cylinder are equipped with the two -way sealing joint who is connected with first pneumatic cylinder, third pneumatic cylinder, the other end of third pneumatic cylinder is connected to through the one -way sealing end cap salvages the anchor joint, the other end of first pneumatic cylinder is connected with the pressure release ware through two -way sealing connection head, the end of pressure release ware is connected the anchor through sealed end cap and is connected, the utility model is used for carry energetically and draw the unfreezing, salvage junk in the pit, can solve junk card pipe problem in the pit, use the utility model discloses but reduce cost 40 -5%, 40 -50% reduces work hours.
Description
Technical field
This utility model relates to the field in oil gas field with "nine squares", particularly relates to a kind of oil well hydraulic pressure lift fishing device.
Background technology
In oilfield prospecting developing well workover technology services, petroleum well workover hardships are complicated, and cost is high, has and many times has to process little down-hole problem with main equipment.What current workover major part adopted is 450 vehicle-mounted operation locomotives, adds complicated ground equipment, and removal of home installation strength is big, and cost long in time limit is high.
In oil well repairing operation, trouble of lost tool in hole, screen casing etc., it is stuck in well because many factors can shine into, it is necessary to lift solves energetically.60 tons of conservative lift power 30-40 tons of light maintenance working rig, minor repair well is met card and is had to proceed to overhaul solution, and overhaul operating machine also just can lift 70-80 ton, uses this device can lift 80-120 ton, and overhaul removal of home installation strength is big, and cost long in time limit is high.
Utility model content
The purpose of this utility model is in that to overcome above-mentioned deficiency, it is provided that a kind of oil well hydraulic pressure lift fishing device.
nullFor achieving the above object，Technical solution of the present utility model is: oil well hydraulic pressure lift fishing device，By the first hydraulic cylinder、Second hydraulic cylinder、3rd hydraulic cylinder is serially connected in multistage hydraulic，Described first hydraulic cylinder、Second hydraulic cylinder、Piston rod and the piston being connected with piston rod it is equipped with in the hydraulic cavities of the 3rd hydraulic cylinder，The two ends of described second hydraulic cylinder are provided with and the first hydraulic cylinder、The two way seal joint that 3rd hydraulic cylinder connects，The other end of described 3rd hydraulic cylinder connects plug joint by one-way sealing plug，Described plug joint is connected to salvaging and is anchored head，The other end of described first hydraulic cylinder is connected to pressure releasing device by two way seal union joint，The keyway preventing piston rod rotation it is provided with inside described pressure releasing device，The both sides of described keyway are provided with locking key，Described keyway is connected to piston rod sliding cavity，Described piston rod sliding cavity connects sealing member by sliding cavity and is connected to feed flow tubing string，Feed flow tubing string is provided with compression relief cock，The end of described pressure releasing device connects anchor joint by seal plug.
Further, the inner side of described two way seal joint and two way seal union joint is equipped with fixed piston step and enters groove.
Further, the inner side of described piston is provided with fixed piston step.
Further, the outer surface of described pressure releasing device is provided with outage.
Further, described anchor joint is connected to anchor body, described anchor body is connected to form by four anchors, described four anchors connect either directly through seal nipple, described four anchors are equipped with several grappling anchor fluke, sap cavity, the other end connected pipes of described anchor body it was equipped with inside described four anchors.
By adopting above-mentioned technical scheme, the beneficial effects of the utility model are: this utility model is for lifting unfreezing energetically, salvage trouble of lost tool in hole, trouble of lost tool in hole card pipe problem can be solved, using this utility model can reduce cost 40-5%, reduce work hours 40-50%, it is ensured that construction safety, energy-conserving and environment-protective, obtain better economic benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of this utility model anchor body.
Detailed description of the invention
This utility model is further illustrated below in conjunction with the drawings and specific embodiments.
nullAs shown in Figure 1，Of the present utility model by the first hydraulic cylinder 4、Second hydraulic cylinder 5、3rd hydraulic cylinder 6 is serially connected in multistage hydraulic，Described first hydraulic cylinder 4、Second hydraulic cylinder 5、Piston rod 10 and the piston 8 being connected with piston rod 10 it is equipped with in the hydraulic cavities of the 3rd hydraulic cylinder 6，The inner side of described piston 8 is provided with fixed piston step 9，The two ends of described second hydraulic cylinder 5 are provided with and the first hydraulic cylinder 4、The two way seal joint 7 that 3rd hydraulic cylinder 6 connects，The other end of described 3rd hydraulic cylinder 6 connects plug joint 2 by one-way sealing plug 3，Described plug joint 2 is connected to salvaging anchor 1，The other end of described first hydraulic cylinder 4 is connected to pressure releasing device 14 by two way seal union joint 12，The inner side of described two way seal joint 7 and two way seal union joint 12 is equipped with fixed piston step and enters groove 11，Described pressure releasing device 14 is internal is provided with the keyway 15 preventing piston rod rotation，The both sides of described keyway 15 are provided with locking key 13，Described keyway 15 is connected to piston rod sliding cavity 16，Described piston rod sliding cavity 16 connects sealing member 17 by sliding cavity and is connected to feed flow tubing string 18，Feed flow tubing string 18 is provided with compression relief cock 19，The end of described pressure releasing device 14 connects anchor joint 22 by seal plug 21，The outer surface of described pressure releasing device 14 is provided with outage 20.
As shown in Figure 2, described anchor joint 22 is connected to anchor body 23, described anchor body 23 is connected to form by four anchors, described four anchors connect either directly through seal nipple 24, described four anchors are equipped with several grappling anchor fluke 25, sap cavity 26, the other end connected pipes 27 of described anchor body 23 it was equipped with inside described four anchors.
Operation principle: sling by workover rig and connect this device into well oil pipe, this device bottom connects under the fishing tool corresponding with trouble of lost tool in hole to mining face under mine.It is solid internal equipped with keyway 15 at pressure releasing device 14 that some salvaging needs outstanding turn of instrument to be connected with junk, and locking key 13 is fixed and prevented piston rod 10 from rotating.Ground pump truck connects high pressure line to entering well oil pipe 27 upper end feed flow, and liquid supply pressure exports power to bottom piston bar 10 and is directly proportional, and anchor body 23 is fixed pivot, and the more high grappling of liquid supply pressure is more firm, and anchor body 23 first works, and 1.5mpa becomes and can work.The hydraulic cylinder of series connection is such as hydraulic jack principle, liquid supply pressure 30mpa, and power output can reach 150 tons.Piston 8 drives bottom fishing tool lift to rise 0.5 meter.The sliding plunger bar of pressure releasing device 14 rises 0.5 meter simultaneously and touches compression relief cock and open, and anchor body 23 is disanchored simultaneously, and oil pipe 27 lifts up 0.5 meter of repeated work.
Above-described, it is only a preferred embodiment of the present utility model, it is impossible to limiting the scope that this utility model is implemented, every equalization made according to this utility model claim changes and decoration, all should still fall within the scope that this utility model is contained.
Claims (5)
- null1. oil well hydraulic pressure lift fishing device，It is characterized in that: by the first hydraulic cylinder (4)、Second hydraulic cylinder (5)、3rd hydraulic cylinder (6) is serially connected in multistage hydraulic，Described first hydraulic cylinder (4)、Second hydraulic cylinder (5)、Piston rod (10) and the piston (8) being connected with piston rod (10) it is equipped with in the hydraulic cavities of the 3rd hydraulic cylinder (6)，The two ends of described second hydraulic cylinder (5) are provided with and the first hydraulic cylinder (4)、The two way seal joint (7) that 3rd hydraulic cylinder (6) connects，The other end of described 3rd hydraulic cylinder (6) connects plug joint (2) by one-way sealing plug (3)，Described plug joint (2) is connected to salvaging and is anchored head (1)，The other end of described first hydraulic cylinder (4) is connected to pressure releasing device (14) by two way seal union joint (12)，Described pressure releasing device (14) is internal is provided with the keyway (15) preventing piston rod rotation，The both sides of described keyway (15) are provided with locking key (13)，Described keyway (15) is connected to piston rod sliding cavity (16)，Described piston rod sliding cavity (16) connects sealing member (17) by sliding cavity and is connected to feed flow tubing string (18)，Feed flow tubing string (18) is provided with compression relief cock (19)，The end of described pressure releasing device (14) connects anchor joint (22) by seal plug (21).
- 2. oil well hydraulic pressure according to claim 1 lift fishing device, it is characterised in that: the inner side of described two way seal joint (7) and two way seal union joint (12) is equipped with fixed piston step and enters groove (11).
- 3. oil well hydraulic pressure according to claim 1 lift fishing device, it is characterised in that: the inner side of described piston (8) is provided with fixed piston step (9).
- 4. oil well hydraulic pressure according to claim 1 lift fishing device, it is characterised in that: the outer surface of described pressure releasing device (14) is provided with outage (20).
- 5. the oil well hydraulic pressure lift fishing device according to any one of Claims 1-4, it is characterized in that: described anchor joint (22) is connected to anchor body (23), described anchor body (23) is connected to form by four anchors, described four anchors connect either directly through seal nipple (24), described four anchors are equipped with several grappling anchor fluke (25), sap cavity (26), the other end connected pipes (27) of described anchor body (23) it was equipped with inside described four anchors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038506.8U CN205370488U (en) | 2015-12-15 | 2015-12-15 | Oil well hydraulic pressure is carried and is drawn fishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521038506.8U CN205370488U (en) | 2015-12-15 | 2015-12-15 | Oil well hydraulic pressure is carried and is drawn fishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205370488U true CN205370488U (en) | 2016-07-06 |
Family
ID=56280548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521038506.8U Expired - Fee Related CN205370488U (en) | 2015-12-15 | 2015-12-15 | Oil well hydraulic pressure is carried and is drawn fishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205370488U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196484A (en) * | 2020-09-08 | 2021-01-08 | 中国石油天然气股份有限公司 | Hydraulic anchor releasing tool |
-
2015
- 2015-12-15 CN CN201521038506.8U patent/CN205370488U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196484A (en) * | 2020-09-08 | 2021-01-08 | 中国石油天然气股份有限公司 | Hydraulic anchor releasing tool |
| CN112196484B (en) * | 2020-09-08 | 2022-04-26 | 中国石油天然气股份有限公司 | Hydraulic anchor releasing tool |
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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 |
Granted publication date: 20160706 Termination date: 20211215 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |