CN2720093Y - Hydraulic moving slips operated with pressure for high-pressure oil-gas water well - Google Patents
Hydraulic moving slips operated with pressure for high-pressure oil-gas water well Download PDFInfo
- Publication number
- CN2720093Y CN2720093Y CN 200420069634 CN200420069634U CN2720093Y CN 2720093 Y CN2720093 Y CN 2720093Y CN 200420069634 CN200420069634 CN 200420069634 CN 200420069634 U CN200420069634 U CN 200420069634U CN 2720093 Y CN2720093 Y CN 2720093Y
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- CN
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- Prior art keywords
- movable
- slip
- pressure
- slips
- 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
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model discloses a hydraulic moving slip operated with pressure for high-pressure oil-gas water well used for hydraulic oil, gas, water well water well belt press operation construction, comprising a cylinder cap 1, a hydraulic cylinder 2, a side door 3, a plunger 4, a bottom board 5, a movable slips body 6, a movable slip seat 7, a slip tooth 8 and a slip casing 9. The hydraulic slip has the advantages of simple structure, easy operation and control, safe work. The defect that when the existing hydraulic moving slip operated with pressure constructs, the hydraulic moving slip operated with pressure can not clamp a column jacket is overcome by making use of the utility model, and the safety and the high efficiency of the operation is ensured.
Description
Technical field:
The utility model relates to a kind of wellhead assembly that is used for hydraulic oil, gas, well Operating Pressure.
Background technology:
Along with the development of oilfield downhole operation technology and perfect, hydraulic oil, gas, well Operating Pressure well increase day by day.When implementing Operating Pressure, must hydraulic oil, gas, not kill-job of well, open flow, keep not playing lower tubular column under the former borehole pressure situation.Yet when playing lower tubular column to certain load, tubing string is scurried on will be voluntarily under power effect in top on the borehole pressure, and is accidents caused easily.In the case, if the elevator that uses when using existing common low pressure oil well to play lower tubular column then often is difficult to overcome top power, can not guarantee with on the tubing string of scurrying tightly block, thereby can not guarantee normally carrying out and keeping the safety in production of underground work construction.
Summary of the invention:
The purpose of this utility model is to provide a kind of can satisfy the movable slips of high-pressure oil gas well Operating Pressure hydraulic pressure that hydraulic oil air water Operating Pressure required, can guarantee that the underground work construction is normally carried out and kept the safety in production.
The utility model is to realize like this.The movable slips of this kind hydraulic pressure is made up of slips housing, movable slips body, slip insert, movable slip spider, base plate, piston, side door, oil cylinder and cylinder cap, slips housing both sides are connected with side door by bolt respectively, the both sides outer side of door has been hinged with oil cylinder respectively, and cylinder cap is equipped with in the oil cylinder outside; Both sides are respectively equipped with movable slip spider relatively symmetrically in the slips housing, and two movable slip spider belows are respectively equipped with base plate, and the inboard is respectively equipped with movable slips body, and two movable slips body inboards are respectively equipped with slip insert; Be respectively equipped with piston in two oil cylinders, two-piston the inner is passed the side door mesopore respectively and is entered in the slips housing, and is connected with movable slip spider.It is as follows that process is made in this hydraulic pressure active card bricklayer: when playing lower tubular column this slips with the cooperation of hydraulic cylinder, stationary slip under, hydraulic oil enters oil cylinder from the fuel feed hole on the cylinder cap of both sides, promoting piston drive activity slip spider and movable slips body moves to the center, slip insert blocks the tube wall of tubing string in the well, utilizes up, descending the reaching of hydraulic cylinder to overcome hydraulic oil, gas, well borehole pressure to the last top power of tubing string, the purpose that realization safety plays lower tubular column.During unfreezing, hydraulic oil enters oil cylinder from the spill port on two side doors, promotes piston drive activity slip spider and movable slips body to two side shiftings, and slip insert unclamps tube wall, can realize the purpose of unfreezing.
The utlity model has the control of simple in structure, easy operating, advantage such as safe and reliable, utilize it can overcome existing slips and execute the disadvantage that time card does not live tubing string, guarantee that job execution is safe and efficient, be suitable for and apply in high-pressure oil gas well Operating Pressure.
Description of drawings:
Accompanying drawing is a structural representation of the present utility model.
The specific embodiment:
The utility model is provided by following examples, is illustrated below in conjunction with accompanying drawing.
As shown in the figure, the utility model is made up of cylinder cap 1, oil cylinder 2, side door 3, piston 4, base plate 5, movable slips body 6, movable slip spider 7, slip insert 8 and slips housing 9, its structure, assembled relation are as follows: slips housing 9 both sides are connected with side door 3 by bolt respectively, there is oil cylinder 2 in two side doors, 3 outsides with the screw thread tipping respectively, and there is cylinder cap 1 in oil cylinder 2 outsides with the screw thread tipping; Both sides are respectively equipped with movable slip spider 7, two movable slip spiders 7 belows relatively symmetrically and are respectively equipped with base plate 5 in the slips housing 9, and the inboard is respectively equipped with movable slips body 6, two movable slips bodies 6 inboards and is respectively equipped with slip insert 8; Be respectively equipped with piston 4 in two oil cylinders 2, two-piston 4 the inners are passed side door 3 centre bores respectively and are entered in the slips housing 9, and are connected with movable slip spider 7.Wherein, slips housing 9 is about in the of two, symmetrical hollow semicylinder, the outside with about two side doors back that is connected constitute the hollow cylindrical cavity of a sealing.Movable slip spider 7 inboards are provided with the cone tank that matches with movable slips body 6, and the outside is provided with the dovetail groove of setting-in piston 4 usefulness.Movable slips body 6 is wedge shape, its outside conical surface for matching with movable slip spider 7, and the inboard groove place has been screwed 2～4 slip inserts 8.Cylinder cap 1 is the dome that a shape, size and oil cylinder 2 match, and its top is provided with " L " shape fuel feed hole.Side door 3 shapes, size and slips housing 9 match, and its top is provided with one " L " shape spill port.
Claims (1)
1, the movable slips of a kind of high-pressure oil gas well Operating Pressure hydraulic pressure, form by cylinder cap (1), oil cylinder (2), side door (3), piston (4), base plate (5), movable slips body (6), movable slip spider (7), slip insert (8) and slips housing (9), it is characterized in that: slips housing (9) both sides are connected with side door (3) by bolt respectively, there is oil cylinder (2) in two side doors (3) outside with the screw thread tipping respectively, and there is cylinder cap (1) in oil cylinder (2) outside with the screw thread tipping; The interior both sides of slips housing (9) are respectively equipped with movable slip spider (7) relatively symmetrically, and two movable slip spiders (7) below is respectively equipped with base plate (5), and the inboard is respectively equipped with movable slips body (6), and two movable slips body (6) inboards are respectively equipped with slip insert (8); Be respectively equipped with piston (4) in two oil cylinders (2), two-piston (4) the inner is passed side door (3) centre bore respectively and is entered in the slips housing (9), and is connected with movable slip spider (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420069634 CN2720093Y (en) | 2004-06-30 | 2004-06-30 | Hydraulic moving slips operated with pressure for high-pressure oil-gas water well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420069634 CN2720093Y (en) | 2004-06-30 | 2004-06-30 | Hydraulic moving slips operated with pressure for high-pressure oil-gas water well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2720093Y true CN2720093Y (en) | 2005-08-24 |
Family
ID=35009054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420069634 Expired - Fee Related CN2720093Y (en) | 2004-06-30 | 2004-06-30 | Hydraulic moving slips operated with pressure for high-pressure oil-gas water well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2720093Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606089A (en) * | 2012-03-30 | 2012-07-25 | 中煤科工集团重庆研究院 | Hydraulic clamp holder |
| CN102926684A (en) * | 2012-11-13 | 2013-02-13 | 中国石油集团长城钻探工程有限公司 | Full sealed automatic compensated type slip |
| CN105952394A (en) * | 2016-06-21 | 2016-09-21 | 崔斌 | Special elevator structure for pressurized workover of oil-gas field |
-
2004
- 2004-06-30 CN CN 200420069634 patent/CN2720093Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102606089A (en) * | 2012-03-30 | 2012-07-25 | 中煤科工集团重庆研究院 | Hydraulic clamp holder |
| CN102926684A (en) * | 2012-11-13 | 2013-02-13 | 中国石油集团长城钻探工程有限公司 | Full sealed automatic compensated type slip |
| CN105952394A (en) * | 2016-06-21 | 2016-09-21 | 崔斌 | Special elevator structure for pressurized workover of oil-gas field |
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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: 20050824 |