CN105401894A - Positive and negative integrated slips - Google Patents
Positive and negative integrated slips Download PDFInfo
- Publication number
- CN105401894A CN105401894A CN201510979752.1A CN201510979752A CN105401894A CN 105401894 A CN105401894 A CN 105401894A CN 201510979752 A CN201510979752 A CN 201510979752A CN 105401894 A CN105401894 A CN 105401894A
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- CN
- China
- Prior art keywords
- centrum
- described multiple
- groups
- positive
- connecting rod
- 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.)
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
- E21B19/10—Slips; Spiders ; Catching devices
Abstract
The invention provides positive and negative integrated slips, comprising a central axle tube, a plurality of inner vertebral bodies, a plurality of outer vertebral bodies, and a plurality of groups of inner oil cylinders respectively correspondingly connected with one of the plurality of inner vertebral bodies, and plurality of groups of outer oil cylinders respectively correspondingly connected with one of the plurality of outer vertebral bodies. The plurality of inner vertebral bodies and the plurality of outer vertebral bodies are arranged on the periphery of the central axle tube. The plurality of inner vertebral bodies and the plurality of groups of inner oil cylinders are symmetrical with the plurality of outer vertebral bodies and the plurality of groups of outer oil cylinders relative to an intermediate connecting disk. The plurality of inner vertebral bodies are connected with the lower surface of the intermediate connecting disk through the plurality of groups of inner oil cylinders. The plurality of outer vertebral bodies are connected with the upper surface of the intermediate connecting disk through the plurality of groups of outer oil cylinders. One end face of the plurality of inner vertebral bodies is arranged corresponding to a chassis, and one end face of the plurality of outer vertebral bodies is arranged corresponding to a top plate. The chassis and the top plate are connected and fixed through a plurality of vertical connecting rod. The installation position of the vertical connecting rod is corresponding to the position of a connecting position of a blowout preventer, so the vertical connecting rod is directly connected and fixed with the blowout preventer. The positive and negative integrated slips are compact in structure and convenient in maintenance, and device applicability is improved. Compared with original slips, volume and weight of the slips are reduced, and manufacturing cost is reduced.
Description
Technical field
The invention belongs to oil and gas well drilling equipment technical field, be specifically related to a kind of one positive and negative dress integral type slips of Operating Pressure workover process kind.
Background technology
Compared with old-fashioned kill-job workover process, Operating Pressure workover process, because have very large advantage in all many-sides such as economy, speed of application, environmental protection, is more and more paid attention at petroleum-gas fiedl and is applied.
Operating Pressure workover rig, when playing lower tubular column operation, because tubing string weight and well pressure its size and Orientation of making a concerted effort to the upper top power of tubing string is all variable, is therefore usually equipped with formal dress and instead fills two taper slips to clamp tubing string.These two slips are normally fixed on slips basket, and then are connected with the preventer on equipment, and total volume is large, and space opening degree is little, makes troubles to the Miniaturization Design of equipment and maintenance.
As shown in Figure 2, be current use more a kind of positive and negative slips combination on Operating Pressure workover rig, by a formal dress slips 13, counter be installed watts 14 and a slips basket 15 form; Formal dress slips 13 and counter being installed watts 14 are base plate interconnection systems, it is connected by the upper and lower bottom plate 17,18 of bolt 16 respectively at slips basket 15, in order to easy to installation and maintenance, formal dress slips 13 and counter being installed between watts 14 leave installing space, also need excessive flange 19 when slips basket 15 docks with preventer.The shortcoming of this structure is: 1, appearance and size is large, the too many space of the equipment that takies, and device miniaturization design is restricted; 2, slips basket structure has several column, peripheral space openness is little, makes troubles to installation, maintenance; 3, integrally-built amount of parts is many, and processing cost is high.
Summary of the invention
The object of this invention is to provide that a kind of appearance and size is little, structure is simple, be easy to the modular card tile structure safeguarded and applicability is high.
For achieving the above object, the invention provides a kind of positive and negative dress integral type slips, comprise central shaft tube, multiple interior centrum, multiple outer centrum and respectively corresponding with one of in described multiple interior centrum connect many groups inner cylinder, respectively with the outer oil cylinder of corresponding many groups of being connected one of in described multiple outer centrum, it is peripheral that described multiple interior centrum and multiple outer centrum are all arranged on described central shaft tube, it is characterized in that: described multiple interior centrum, described many group inner cylinders and described multiple outer centrum, describedly organize outer oil cylinder about a middle terminal pad symmetry more; And described multiple interior centrum is connected with the soffit of described middle terminal pad by described many group inner cylinders; Described multiple outer centrum is connected with the upper surface of described middle terminal pad by the outer oil cylinder of described many groups; One end face of described multiple interior centrum is corresponding with a chassis respectively to be arranged, and an end face of described multiple outer centrum takes over a business corresponding setting respectively with one; Described chassis is connected and fixed by multiple vertical connecting rod with taking over a business; The installation site of described vertical connecting rod is corresponding with the position of preventer junction, is directly connected and fixed to make described vertical connecting rod and described preventer.
Described multiple interior centrum, multiple outer centrum, organize inner cylinder more, the outer oil cylinder of many groups is respectively two interior centrums, two outer centrums, two groups of inner cylinders, two groups of outer oil cylinders.
One end face of described multiple interior centrum is the narrow end surface of described multiple interior centrum.
One end face of described multiple outer centrum is the narrow end surface of described multiple outer centrum.
The junction of the soffit of described many group inner cylinders and described middle terminal pad is near described multiple vertical connecting rod.
The junction of the upper surface of the outer oil cylinder of described many groups and described middle terminal pad is near described multiple vertical connecting rod.
Described central shaft tube is positioned at the center of described multiple centrum and described multiple outer centrum, and passes perpendicularly through described multiple interior centrum and described multiple outer centrum.
Advantage of the present invention is: two cover cramping bodies, on a housing, complete the function of two parts, improve the applicability of equipment with parts; Mounting structure and size are docked with preventer, decrease intermediate link, and this apparatus structure is compact, easy to maintenance, improve the applicability of equipment, and this kind of slips compares original slips volume, weight reduces all to some extent, and manufacturing cost reduces.
Below in conjunction with drawings and Examples, the present invention is elaborated.
Accompanying drawing explanation
Fig. 1 prior art heavy the positive and negative slips schematic diagram of one.
Fig. 2 is a kind of schematic diagram of positive and negative dress integral type slips.
Description of reference numerals: 1,2, interior centrum; 3,4, outer centrum; 5,6, inner cylinder; 7,8, outer oil cylinder; 9, middle terminal pad; 10, chassis; 11, take over a business; 12, vertical connecting rod; 13, formal dress slips; 14, to be instead installed watt; 15, slips basket; 16, bolt; 17, upper plate; 18, lower shoe; 19, excessive flange; 20, central shaft tube.
Detailed description of the invention
Reaching for setting forth the present invention further the technological means and effect that predetermined object takes, below in conjunction with drawings and Examples to the specific embodiment of the present invention, architectural feature and effect thereof, being described in detail as follows.
Embodiment 1:
A kind of positive and negative dress integral type slips, comprise central shaft tube, multiple interior centrum, multiple outer centrum and respectively with the corresponding many groups inner cylinder connected one of in multiple interior centrum, respectively with the outer oil cylinder of corresponding many groups of connecting one of in multiple outer centrum, multiple interior centrum and multiple outer centrum are all arranged on central shaft tube periphery, multiple interior centrum, many groups inner cylinder and multiple outer centrum, many groups of outer oil cylinders are symmetrical about a middle terminal pad, multiple interior centrum is connected with the soffit of middle terminal pad by many group inner cylinders, multiple outer centrum is connected with the upper surface of middle terminal pad by the outer oil cylinder of many groups, one end face of multiple interior centrum is corresponding with a chassis respectively to be arranged, one end face of multiple outer centrum respectively with take over a business corresponding setting, chassis is connected and fixed by multiple vertical connecting rod with taking over a business, the installation site of vertical connecting rod is corresponding with the position of preventer junction, directly be connected and fixed to make vertical connecting rod and preventer.
The end face that multiple interior centrum is corresponding with chassis to be arranged and multiple outer centrum are all narrow end surface with taking over a business the corresponding end face arranged, and multiple interior centrum and multiple outer centrum with how organize inner cylinder and that to organize the section that outer oil cylinder is connected be wide end surface is more.The junction of the soffit of many groups inner cylinder and middle terminal pad is near multiple vertical connecting rod, thus make the soffit of many group inner cylinders and middle terminal pad be 0 degree-90 spend between angle, preferably 45 degree, 50 degree, 55 degree, 60 degree, 65 degree, 70 degree, 75 degree, 80 degree, 85 degree.The junction of the upper surface of many groups of outer oil cylinders and middle terminal pad is near multiple vertical connecting rod, thus make the upper surface of the outer oil cylinder of many groups and middle terminal pad be 0 degree-90 spend between angle, preferably 45 degree, 50 degree, 55 degree, 60 degree, 65 degree, 70 degree, 75 degree, 80 degree, 85 degree.
Central shaft tube is positioned at the center of multiple centrum and multiple outer centrum, and passes perpendicularly through multiple interior centrum and multiple outer centrum, thus makes multiple interior centrum and multiple outer centrum with it for moving in axle center.
Embodiment 2:
Can by the multiple interior centrum in embodiment 1, multiple outer centrum, organize inner cylinder more, the outer oil cylinder of many groups is set to be two interior centrums, two outer centrums, two groups of inner cylinders, two groups of outer oil cylinders respectively.
Figure 2 shows that the positive and negative dress integral type slips structure that a kind of volume is little, structure is simple and convenient for installation and maintenance, comprise two interior centrums, 1,2, two outer centrums 3,4 and corresponding two groups of inner cylinders 5, two groups of outer oil cylinders 7,8 being connected one of in 6, respectively centrum 3,4 outer with two connected one of in centrum 1,2 interior with two respectively, itself and existing combined type slip mechanism unlike: two interior centrums, 1,2, two groups of inner cylinders, 5,6 and two outer centrums, 3,4, two groups of outer oil cylinders 7,8 are symmetrical about a middle terminal pad 9; And two interior centrums 1,2 are connected with the soffit of middle terminal pad 9 by described two groups of inner cylinders 5,6; Two outer centrums 3,4 are connected with the upper surface of middle terminal pad 9 by described two groups of outer oil cylinders 7,8.One end face of two interior centrums 1,2 is corresponding with a chassis 10 respectively to be arranged, one end face of two outer centrums 3,4 is corresponding with taking over a business 11 respectively to be arranged, the end face that two interior centrums 1,2 are corresponding with chassis to be arranged and two outer centrums 3,4 are all narrow end surface with taking over a business the corresponding end face arranged, and two interior centrums 1,2 are wide end surface with the section be connected with the outer oil cylinder 7,8 of two groups of inner cylinders 5,6 and two groups of two outer centrums 3,4.The junction of the soffit of two groups of inner cylinders 5,6 and middle terminal pad 9 is near multiple vertical connecting rod 12, thus make the soffit of two groups of inner cylinders 5,6 and middle terminal pad 9 be 0 degree-90 spend between angle, be preferably 45 degree, 50 degree, 55 degree, 60 degree, 65 degree, 70 degree, 75 degree, 80 degree, 85 degree.The junction of the upper surface of two groups of outer oil cylinders 7,8 and middle terminal pad 9 is near multiple vertical connecting rod 12, thus make the upper surface of two groups of outer oil cylinders and intermediate connections be 0 degree-90 spend between angle, be preferably 45 degree, 50 degree, 55 degree, 60 degree, 65 degree, 70 degree, 75 degree, 80 degree, 85 degree.Chassis 10 and take over a business 11 and be connected and fixed by multiple vertical connecting rod 12; The installation site of vertical connecting rod 12 is corresponding with the position of preventer junction, is directly connected and fixed with preventer to make described vertical connecting rod 12.
Wherein be not difficult to find out, positive and negative dress integral type slips structure shown in Fig. 2, in the two cover clamping segment sets that it is positive and negative is installed watt on a housing, decreases all too many levels such as being fixedly connected with between two set of shells, concentric locating, modular construction is simple, and installation and maintenance is very convenient.
And the multiple vertical connecting rod 12 on 11 and chassis 10 is taken over a business in the connection wherein related to, by the design to its installation site and size, thus be connected with preventer by vertical connecting rod 12, eliminate excessive flange, not only compact conformation, easy to maintenance, and processing cost is reduced greatly.
Meanwhile, by taking over a business 11, chassis 10, middle terminal pad 9 and vertically connecting rod 12 serve the effect of slips frame, achieve and design without frame, structure simplifies.
As seen from Figure 2, it is peripheral that two interior centrums, 1,2 and two outer centrums 3,4 are all arranged on central shaft tube 20, central shaft tube 20 is positioned at the center of the outer centrum 3,4 of two centrums 1,2 and two, and pass perpendicularly through two interior centrums, 1,2 and two outer centrums 3,4, thus make two interior centrums, 1,2 and two outer centrums 3,4 with it for moving in axle center.
Above-mentioned explanation illustrate and describes the preferred embodiments of the present invention, as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.
Claims (7)
1. a positive and negative dress integral type slips, comprise central shaft tube, multiple interior centrum, multiple outer centrum and respectively corresponding with one of in described multiple interior centrum connect many groups inner cylinder, respectively with the outer oil cylinder of corresponding many groups of being connected one of in described multiple outer centrum, it is peripheral that described multiple interior centrum and multiple outer centrum are all arranged on described central shaft tube, it is characterized in that: described multiple interior centrum, described many group inner cylinders and described multiple outer centrum, describedly organize outer oil cylinder about a middle terminal pad symmetry more;
And described multiple interior centrum is connected with the soffit of described middle terminal pad by described many group inner cylinders;
Described multiple outer centrum is connected with the upper surface of described middle terminal pad by the outer oil cylinder of described many groups;
One end face of described multiple interior centrum is corresponding with a chassis respectively to be arranged, and an end face of described multiple outer centrum takes over a business corresponding setting respectively with one;
Described chassis is connected and fixed by multiple vertical connecting rod with taking over a business;
The installation site of described vertical connecting rod is corresponding with the position of preventer junction, is directly connected and fixed to make described vertical connecting rod and described preventer.
2. positive and negative dress integral type slips as claimed in claim 1, is characterized in that: described multiple interior centrum, multiple outer centrum, organize inner cylinder more, the outer oil cylinder of many groups is respectively two interior centrums, two outer centrums, two groups of inner cylinders, two groups of outer oil cylinders.
3. positive and negative dress integral type slips as claimed in claim 1, is characterized in that: an end face of described multiple interior centrum is the narrow end surface of described multiple interior centrum.
4. positive and negative dress integral type slips as claimed in claim 1, is characterized in that: an end face of described multiple outer centrum is the narrow end surface of described multiple outer centrum.
5. positive and negative dress integral type slips as claimed in claim 1, is characterized in that: the junction of the soffit of described many group inner cylinders and described middle terminal pad is near described multiple vertical connecting rod.
6. positive and negative dress integral type slips as claimed in claim 1, is characterized in that: the junction of the upper surface of the outer oil cylinder of described many groups and described middle terminal pad is near described multiple vertical connecting rod.
7. the positive and negative dress integral type slips as described in any one of claim 1-8 claim, it is characterized in that: described central shaft tube is positioned at the center of described multiple centrum and described multiple outer centrum, and pass perpendicularly through described multiple interior centrum and described multiple outer centrum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510979752.1A CN105401894B (en) | 2015-12-23 | 2015-12-23 | A kind of positive and negative dress integral type slips |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510979752.1A CN105401894B (en) | 2015-12-23 | 2015-12-23 | A kind of positive and negative dress integral type slips |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105401894A true CN105401894A (en) | 2016-03-16 |
| CN105401894B CN105401894B (en) | 2019-01-01 |
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ID=55467609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510979752.1A Expired - Fee Related CN105401894B (en) | 2015-12-23 | 2015-12-23 | A kind of positive and negative dress integral type slips |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105401894B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927344A (en) * | 2020-10-14 | 2020-11-13 | 胜利油田康贝石油工程装备有限公司 | Double-petal jacking type sucker rod workover power slip and operation process |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US935764A (en) * | 1908-09-04 | 1909-10-05 | John C Martin | Pump-rod-pulling device. |
| US1037560A (en) * | 1910-03-14 | 1912-09-03 | Frederick Thomas | Double-jaw friction-grip clamp. |
| CA691340A (en) * | 1964-07-28 | C. Brown Cicero | Hydraulic pipe snubber for oil wells | |
| US3797570A (en) * | 1972-05-08 | 1974-03-19 | Baker Oil Tools Inc | Snubbing apparatus |
| US4715456A (en) * | 1986-02-24 | 1987-12-29 | Bowen Tools, Inc. | Slips for well pipe |
| JPH0238694A (en) * | 1988-07-26 | 1990-02-08 | Akiba Sangyo Kk | Gripper for boring rod |
| US5732909A (en) * | 1996-06-26 | 1998-03-31 | Carlos A. Torres | Pipe gripping system and method |
| DE19721635A1 (en) * | 1997-05-23 | 1998-11-26 | Preussag Wasser Und Rohrtechni | Hydraulic lifting unit raising large diameter casing tubes from shaft |
| US6378399B1 (en) * | 1997-09-15 | 2002-04-30 | Daniel S. Bangert | Granular particle gripping surface |
| CN201851013U (en) * | 2010-11-18 | 2011-06-01 | 中国石油集团长城钻探工程有限公司井下作业公司 | Location slips type solid oblique guide device |
| CN205259972U (en) * | 2015-12-23 | 2016-05-25 | 西安秦森科技有限公司 | Positive and negative dress integral type slips |
-
2015
- 2015-12-23 CN CN201510979752.1A patent/CN105401894B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA691340A (en) * | 1964-07-28 | C. Brown Cicero | Hydraulic pipe snubber for oil wells | |
| US935764A (en) * | 1908-09-04 | 1909-10-05 | John C Martin | Pump-rod-pulling device. |
| US1037560A (en) * | 1910-03-14 | 1912-09-03 | Frederick Thomas | Double-jaw friction-grip clamp. |
| US3797570A (en) * | 1972-05-08 | 1974-03-19 | Baker Oil Tools Inc | Snubbing apparatus |
| US4715456A (en) * | 1986-02-24 | 1987-12-29 | Bowen Tools, Inc. | Slips for well pipe |
| JPH0238694A (en) * | 1988-07-26 | 1990-02-08 | Akiba Sangyo Kk | Gripper for boring rod |
| US5732909A (en) * | 1996-06-26 | 1998-03-31 | Carlos A. Torres | Pipe gripping system and method |
| DE19721635A1 (en) * | 1997-05-23 | 1998-11-26 | Preussag Wasser Und Rohrtechni | Hydraulic lifting unit raising large diameter casing tubes from shaft |
| US6378399B1 (en) * | 1997-09-15 | 2002-04-30 | Daniel S. Bangert | Granular particle gripping surface |
| CN201851013U (en) * | 2010-11-18 | 2011-06-01 | 中国石油集团长城钻探工程有限公司井下作业公司 | Location slips type solid oblique guide device |
| CN205259972U (en) * | 2015-12-23 | 2016-05-25 | 西安秦森科技有限公司 | Positive and negative dress integral type slips |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111927344A (en) * | 2020-10-14 | 2020-11-13 | 胜利油田康贝石油工程装备有限公司 | Double-petal jacking type sucker rod workover power slip and operation process |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105401894B (en) | 2019-01-01 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20190101 Termination date: 20201223 |