CN2739347Y - Step type hydraulic booster release device - Google Patents
Step type hydraulic booster release device Download PDFInfo
- Publication number
- CN2739347Y CN2739347Y CN 200420097532 CN200420097532U CN2739347Y CN 2739347 Y CN2739347 Y CN 2739347Y CN 200420097532 CN200420097532 CN 200420097532 CN 200420097532 U CN200420097532 U CN 200420097532U CN 2739347 Y CN2739347 Y CN 2739347Y
- Authority
- CN
- China
- Prior art keywords
- hydraulic cylinder
- inner central
- central tube
- release device
- hydraulic
- 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
Landscapes
- Actuator (AREA)
Abstract
The utility model discloses step type hydraulic booster release device, comprising an upper joint, a lifting liquid cylinder, a hydraulic anchor and a throttle valve which are connected in order. The lifting liquid cylinder has two stages or more stages, and comprises an upper hydraulic cylinder joint, an upper hydraulic cylinder inner central tube, an upper hydraulic cylinder outer tube, an upper hydraulic cylinder piston, a middle portion inner central tube, a middle joint, a lower hydraulic cylinder outer tube, a lower hydraulic cylinder piston and a lower portion inner central tube which are arranged in order. The throttle valve comprises a lower joint, an adjusting ring, a pressure adjusting spring and a blocking ball. The step type hydraulic booster release device has the advantages of large hydraulic booster, strong release performance, high success ratio, etc.; the step type hydraulic booster release device can increase and supplement lifting force 200kn; the step type hydraulic booster release device is used in the underground working process of oil extraction.
Description
One, technical field
The utility model relates to release device under the oil well, particularly a kind of stepping hydraulic booster release device.
Two, technical background
In the underground work process, normal occur because shake out, problems such as fouling, burn into casing deformation, and oil pipe is blocked phenomenon, the way of unfreezing is normally dragged for top of fish, put on energetically with working rig and to let live moving unfreezing, or carry on hydraulic lifting, but often pull off oil pipe or separate card crash on ground.If separate card crash, then need change large-tonnage derrick and drilling rod, the waste great amount of manpower and material resources prolongs duty cycle, improves operating cost.
Three, summary of the invention
The purpose of this utility model provides a kind of improved stepping hydraulic booster release device, shortcoming or deficiency that it can overcome effectively or avoid existing in the above-mentioned prior art, increase extra lifting force, utilize ground light maintenance derrick, can finish the unfreezing fishing workover treatment that big workover frame just can be finished, thereby shorten duty cycle, reduce operating cost.
Stepping hydraulic booster release device described in the utility model comprises the top connection, lifting fluid cylinder, hydraulic pressure anchor and the choke valve that connect in turn, and the hydraulic pressure anchor comprises anchor body, press strip screw, stage clip, anchor fluke, the press strip of installing in turn.Described lifting fluid cylinder is a two-stage or multistage, comprises the last hydraulic cylinder joint installed in turn, goes up the hydraulic cylinder inner central tube, goes up the hydraulic cylinder outer tube, goes up hydraulic cylinder piston, middle part inner central tube, transition joint, hydraulic cylinder outer tube, hydraulic cylinder piston, bottom inner central tube down down; Described choke valve comprises lower contact, adjustable ring, the pressure spring of installing in turn and blocks.
Wherein, described lower contact upper end links to each other with the bottom inner central tube, and the lower end is provided with Internal Spherical Surface, be installed on it block, regulating spring and adjustable ring.Described upward hydraulic cylinder inner central tube and bottom inner central tube are provided with pressure transmission hole.The described hydraulic cylinder piston of going up is installed in the annular space between last hydraulic cylinder inner central tube and last hydraulic cylinder outer tube, and its inwall is connected with last hydraulic cylinder inner central tube, and outer wall and last hydraulic cylinder outer tube form and be slidingly matched.Described hydraulic cylinder piston is down installed in the annular space between bottom inner central tube and following hydraulic cylinder outer tube, and its inwall is connected with the bottom inner central tube, and outer wall forms with following hydraulic cylinder outer tube and is slidingly matched.
The utility model has following advantage compared with prior art:
1, the lifting fluid cylinder can multistagely use, repeatedly lifting step by step, and hydraulic booster is big, with less hydraulic coupling, can increase extra lifting force greatly;
2, unfreezing performance is strong, utilizes ground light maintenance derrick, can finish the unfreezing fishing workover treatment engineering that big workover frame just can be finished, thereby shortens duty cycle, reduces operating cost.
3, success rate height, according to 10 mouthfuls of well test statistics, success rate 100% is economized on the use of funds nearly 1,500,000 yuan.
Four, description of drawings
Accompanying drawing is the utility model structural representation
Five, the specific embodiment
Referring to accompanying drawing, a kind of stepping hydraulic booster release device comprises the top connection 1, lifting fluid cylinder, hydraulic pressure anchor and the choke valve that connect in turn, and the hydraulic pressure anchor comprises anchor body 17, press strip screw 18, stage clip 19, anchor fluke 20, the press strip of installing in turn 22.The lifting fluid cylinder is a two-stage or multistage, comprises the last hydraulic cylinder joint 3 installed in turn, goes up hydraulic cylinder inner central tube 4, goes up hydraulic cylinder outer tube 5, goes up hydraulic cylinder piston 7, middle part inner central tube 8, transition joint 10, hydraulic cylinder outer tube 12, hydraulic cylinder piston 14, bottom inner central tube 15 down down; Choke valve comprises lower contact 24, adjustable ring 25, the pressure spring of installing in turn 26 and blocks 27.Last hydraulic cylinder joint 3 is fixed by pin 2 and top connection 1.On last hydraulic cylinder piston 7, transition joint 10, following hydraulic cylinder piston 14 and the anchor body 17 seal 6,9,11,13,16,21 and 23 is installed respectively.
Lower contact 24 upper ends link to each other with bottom inner central tube 15, and the lower end is provided with Internal Spherical Surface, are installed on it and block 27, pressure spring 26 and adjustable ring 25.Last hydraulic cylinder inner central tube 4 and bottom inner central tube 15 are provided with pressure transmission hole.Last hydraulic cylinder piston 7 is installed in the annular space between last hydraulic cylinder inner central tube 4 and last hydraulic cylinder outer tube 5, and its inwall is connected with last hydraulic cylinder inner central tube 4, and outer wall and last hydraulic cylinder outer tube 5 form and be slidingly matched.Following hydraulic cylinder piston 14 is installed in the annular space between bottom inner central tube 15 and following hydraulic cylinder outer tube 12, and inwall is connected with bottom inner central tube 15, and outer wall is slidingly matched with following hydraulic cylinder outer tube 12 formation.During operation, the lifting fluid cylinder can multistagely use, repeatedly lifting step by step, when inner central tube 4,8,15 goes upward to the stroke after top dead center, suppress by reverse well-flushing, under the choke valve differential pressure action, anchor fluke 20 is withdrawn automatically, outer tube 5,12 forms a up power, when outer tube goes upward to top dead centre, just suppress, reply action for the first time, so many stepping lifting, the unfreezing tubing string.
Claims (5)
1, a kind of stepping hydraulic booster release device, comprise the top connection, lifting fluid cylinder, hydraulic pressure anchor and the choke valve that connect in turn, the hydraulic pressure anchor comprises anchor body, press strip screw, stage clip, anchor fluke, the press strip of installing in turn, it is characterized in that described lifting fluid cylinder is a two-stage or multistage, comprise the last hydraulic cylinder joint installed in turn, go up the hydraulic cylinder inner central tube, go up the hydraulic cylinder outer tube, go up hydraulic cylinder piston, middle part inner central tube, transition joint, hydraulic cylinder outer tube, hydraulic cylinder piston, bottom inner central tube down down; Described choke valve comprises lower contact, adjustable ring, the pressure spring of installing in turn and blocks.
2, stepping hydraulic booster release device according to claim 1 is characterized in that described lower contact upper end links to each other with the bottom inner central tube, and the lower end is provided with Internal Spherical Surface, be installed on it block, pressure spring and adjustable ring.
3. stepping hydraulic booster release device according to claim 1 and 2 is characterized in that described upward hydraulic cylinder inner central tube and bottom inner central tube are provided with pressure transmission hole.
4. stepping hydraulic booster release device according to claim 1 and 2, it is characterized in that the described hydraulic cylinder piston of going up, install in the annular space between last hydraulic cylinder inner central tube and last hydraulic cylinder outer tube, its inwall is connected with last hydraulic cylinder inner central tube, and outer wall and last hydraulic cylinder outer tube form and be slidingly matched.
5, stepping hydraulic booster release device according to claim 1 and 2, it is characterized in that described hydraulic cylinder piston down, install in the annular space between bottom inner central tube and following hydraulic cylinder outer tube, its inwall is connected with the bottom inner central tube, and outer wall forms with following hydraulic cylinder outer tube and is slidingly matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420097532 CN2739347Y (en) | 2004-11-03 | 2004-11-03 | Step type hydraulic booster release device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420097532 CN2739347Y (en) | 2004-11-03 | 2004-11-03 | Step type hydraulic booster release device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2739347Y true CN2739347Y (en) | 2005-11-09 |
Family
ID=35354413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420097532 Expired - Fee Related CN2739347Y (en) | 2004-11-03 | 2004-11-03 | Step type hydraulic booster release device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2739347Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014086233A1 (en) * | 2012-12-04 | 2014-06-12 | 中国海洋石油总公司 | Pup joint for releasing sidewall contact of stratigraphic test device and apparatus |
-
2004
- 2004-11-03 CN CN 200420097532 patent/CN2739347Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014086233A1 (en) * | 2012-12-04 | 2014-06-12 | 中国海洋石油总公司 | Pup joint for releasing sidewall contact of stratigraphic test device and apparatus |
| US9982816B2 (en) | 2012-12-04 | 2018-05-29 | China National Offshore Oil Corporation | Pup joint for releasing sidewall contact of stratigraphic test device and apparatus |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204782895U (en) | Horizontal well unfreezing jar accelerator | |
| CN2739347Y (en) | Step type hydraulic booster release device | |
| CN201517498U (en) | Rubber bobbin plunger piston | |
| CN201443338U (en) | Swabbing and blowout-prevention device for oil field | |
| CN201778983U (en) | Flexible metal oil-well pump | |
| CN204163964U (en) | Ring valve type hydraulic feedback oil | |
| CN201037387Y (en) | Hydraulic pipe pulling equipment | |
| CN2811594Y (en) | Oil-well pump with double functions of pumping oil and water | |
| CN201321827Y (en) | Anti-sticking hydraulic anchor capable of continuous operation | |
| CN201460779U (en) | Reciprocating hydraulic tube-drawing machine | |
| CN2338511Y (en) | Tubular soft plunger well pump | |
| CN201714351U (en) | Deep-pumping and load-reducing device of sucker rod pump | |
| CN2736529Y (en) | Sand proof packing tool | |
| CN201794557U (en) | Ultrasonic atomization drainer for gas well | |
| CN101109375A (en) | Two-stage down-hole pipe pump oil extracting device | |
| CN2616675Y (en) | Not-well-killing blowout-preventing oil drainage device | |
| CN2742130Y (en) | Ball plug air lift double piston ball feeding hydraulic cylinder | |
| CN200982287Y (en) | Lateral opening type hydraulic feed back oil pump | |
| CN1138667A (en) | Multiple-range oil-well pump | |
| CN200940559Y (en) | Lateral flow type deep production oil pump | |
| CN2374670Y (en) | Plunger anti-leakage device | |
| CN2534360Y (en) | Downhole mechanical fishing spear | |
| CN2402801Y (en) | Oil drain oil pipe anchor | |
| CN2398419Y (en) | Underground fishing booster | |
| CN110318712B (en) | Underground hydraulic motor special for oil extraction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |