CN104632092A - Oil pipe - Google Patents
Oil pipe Download PDFInfo
- Publication number
- CN104632092A CN104632092A CN201510084632.5A CN201510084632A CN104632092A CN 104632092 A CN104632092 A CN 104632092A CN 201510084632 A CN201510084632 A CN 201510084632A CN 104632092 A CN104632092 A CN 104632092A
- Authority
- CN
- China
- Prior art keywords
- oil pipe
- connector
- work plane
- groove
- breach
- 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.)
- Granted
Links
- 230000001154 acute effect Effects 0.000 claims description 3
- 239000003921 oil Substances 0.000 description 113
- 239000003129 oil well Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 230000003993 interaction Effects 0.000 description 5
- 239000010779 crude oil Substances 0.000 description 3
- 241001023788 Cyttus traversi Species 0.000 description 2
- 238000010796 Steam-assisted gravity drainage Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002343 natural gas well Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides an oil pipe. The oil pipe comprises a first oil pipe, a second oil pipe, a connector, a first groove, a projection and an anti-rotation body, wherein the first oil pipe and the second oil pipe longitudinally extend, the connector is provided with a first end and a second end which are opposite, the first end is used for being connected with the first oil pipe, the first groove recessed from the end face of the second end to the first end is formed on the side wall of the connector, the projection protrudes out of the side wall of the second oil pipe and is provided with a first operating surface and a second operating surface which are opposite in the circumference of the second oil pipe, a notch is formed by the first operating surface, the second operating surface and the side wall of the second oil pipe adjacent to the first operating surface and the second operating surface; the anti-rotation body can be received in the first groove and the notch. By the oil pipe, the purpose for preventing rotation of the oil pipe at the joint is achieved.
Description
Technical field
The present invention relates to oil and gas exploitation field, particularly relate to a kind of oil pipe.
Background technology
Oil pipe is the necessary power tool of recover petroleum and natural gas, generally when operation, hundreds of root oil pipe is threaded connection the tubing string being formed and reach thousands of meters, recovers the oil in lower going-into-well cylinder.
When recovering the oil, usually oil well pump being connected to oil pipe lower end, being lowered in pit shaft with oil pipe.In the oil extraction system of rod pumping pump, the sucker rod (go up a joint most and claim polished rod) of oil well pump is connected by hanger with the horse head of ground oil pumper.During work, horse head drives sucker rod to move up and down by wire rope pulling hanger, completes oil pumping operation.Under up-down stroke fluctuating load, there is the reason such as hole deviation, thick, the wax deposition of oil in oil well in addition, and sucker rod can produce twisting in the process of moving up and down.Particularly in the oil well using SAGD technology, because SAGD oil well generally adopts the oil well pump in more than 120mm pump footpath, therefore sucker rod can produce larger twisting in the process of moving up and down, in order to prevent the twisting of sucker rod, plug-in type sucker rod is generally adopted in prior art, but the result done like this is discharged on oil pipe by the moment of torsion that sucker rod twists, torsional interaction is in oil pipe junction, to upper, lower oil pipe forms shackle power, thus the junction of oil pipe occurs to loosen the leakage causing oil pipe Crude Oil under the effect of shackle power, even the dropout of oil pipe is caused in the junction of oil pipe under the effect of moment of torsion, affect the production of oil well.
Summary of the invention
The object of this invention is to provide a kind of oil pipe that can prevent junction from rotating.
Above-mentioned purpose of the present invention can adopt following technical proposal to realize: a kind of oil pipe, and it comprises: the first oil pipe that lengthwise extends and the second oil pipe; Have back to first end and the connector of the second end, described first end is used for being connected with described first oil pipe; The sidewall of described connector is formed with the first groove caved in from the end face of described second end to described first end; Protrude the projection of the sidewall of described second oil pipe; Described projection has opposed facing first work plane and the second work plane in the circumference of described second oil pipe; The breach formed by described first work plane, described second work plane and the sidewall of described second oil pipe that connects with described first work plane and described second work plane Xiang Ling; To be contained in described first groove and described breach anti-simultaneously turns.
Preferably, it comprises: with the described anti-annulus fixed of turning, described annulus can be set on described connector or described projection, thus described anti-rotation physical efficiency is contained in described first groove and described breach simultaneously.
Preferably, described annulus can be set on described first oil pipe or described second oil pipe, thus described anti-rotation physical efficiency is contained in described first groove and described breach simultaneously.
Preferably, in described breach, the sidewall of described second oil pipe and described first work plane and/or described second work plane are formed with the operating angle that is acute angle.
Preferably, it comprises: described second oil pipe has the link near described projection, and described link is used for being connected with the second end of described connector; Be sheathed on the seal on described link, described seal is used for when described second oil pipe is connected with described connector, and described seal is compressed between described connector and described projection.
The beneficial effect of a kind of oil pipe provided by the invention is: the first oil pipe that first the present invention is extended by lengthwise and the second oil pipe; Have back to first end and the connector of the second end, described first end is used for being connected with described first oil pipe; The sidewall of described connector is formed with the first groove caved in from the end face of described second end to described first end; Protrude the projection of the sidewall of described second oil pipe; Described projection has opposed facing first work plane and the second work plane in the circumference of described second oil pipe; The breach formed by described first work plane, described second work plane and the sidewall of described second oil pipe that connects with described first work plane and described second work plane Xiang Ling; To be contained in described first groove and described breach anti-simultaneously turns.The moment of torsion achieved when sucker rod twisting is discharged on the first oil pipe and the second oil pipe, torsional interaction is when the junction of connector and the second oil pipe, when shackle power is formed to this junction, anti-turning stretches into the first groove and breach simultaneously, thus make the phenomenon that the junction of connector and the second oil pipe does not rotate under the effect of shackle power, thus the rotation avoided between the first oil pipe and the second oil pipe, achieve the object that the invention provides a kind of oil pipe that can prevent junction from rotating; Secondly by arranging and the anti-annulus fixed of turning, this annulus can be set on connector or projection, thus make anti-rotation physical efficiency be contained in described first groove and described breach simultaneously, thus avoid when anti-turn be placed in this breach and the first groove time, preventing turns radially drops to the direction away from oil pipe sidewall in the first groove or breach; Finally, second oil pipe has the link of close projection, be sheathed on the seal on link, seal is used for when the second oil pipe is connected with connector, seal is compressed between connector and projection, thus increase the sealing of the junction of connector and the second oil pipe, prevent the leakage of this junction crude oil.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 structural representation of the present invention;
Fig. 2 connection status structural representation of the present invention;
Fig. 3 anti-rotation status architecture of the present invention schematic diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the invention provides a kind of oil pipe, it comprises: the first oil pipe 10 and the second oil pipe 13 that lengthwise extends; Have back to first end 15 and the connector 19 of the second end 17, described first end 15 is for being connected with described first oil pipe 10; The sidewall of described connector 19 is formed with the first groove 21 caved in from the end face 23 of described second end 17 to described first end 15; Protrude the projection 25 of the sidewall of described second oil pipe 13; Described projection 25 has opposed facing first work plane 24 and the second work plane 26 in the circumference of described second oil pipe 13; The breach 27 formed by described first work plane 24, described second work plane 26 and the sidewall of described second oil pipe 13 that connects with described first work plane 24 and described second work plane 26 Xiang Ling; To be contained in described first groove 21 and described breach 27 anti-simultaneously turns 35.
A kind of oil pipe provided by the invention, the moment of torsion achieved when sucker rod twisting is discharged on the first oil pipe 10 and the second oil pipe 13, torsional interaction is when the junction of connector 19 and the second oil pipe 13, when shackle power is formed to this junction, anti-turning 35 can be contained in the first groove 21 and breach 27 simultaneously, thus make the phenomenon that the junction of connector 19 and the second oil pipe 13 does not rotate under the effect of shackle power, thus the rotation avoided between the first oil pipe 10 and the second oil pipe 13, achieve the object that the invention provides a kind of oil pipe that can prevent junction from rotating.
A kind of oil pipe provided by the invention can be applied to oil well, the natural gas well.
As shown in Figure 1, in the present embodiment, lengthwise extend the first oil pipe 10 can be connected by screw thread with the second oil pipe 13 thus form tubing string, under enter in oil well to recover the oil.
As shown in Figure 1, in the present embodiment, have back to first end 15 and the connector 19 of the second end 17, this connector 19 for being connected with the first oil pipe 10, thus is connected on the first oil pipe 10 by first end 15.This annexation comprises: the two is one-body molded makes or the two employing is threaded, or the two welding.This second end 17 is for being connected with the second oil pipe 13.
As shown in Figure 1, in the present embodiment, the second oil pipe 13 has the link 34 of close projection 25, and the first oil pipe 10 and the second oil pipe 13 for being connected with the second end 17 of connector 19, thus couple together by link 34.This annexation comprises: the two is one-body molded makes or the two employing is threaded, or the two welding.
As shown in Figure 1, in the present embodiment, the sidewall of connector 19 is formed with the first groove 21 caved in from the end face 23 of the second end 17 of this connector 19 to this first end 15.This first groove 21 rotates relative to the second oil pipe 13 in the circumferential for preventing the first oil pipe 10.
As shown in Figure 1, in the present embodiment, the projection 25 of the sidewall of this second oil pipe 13 is protruded; This projection 25 has opposed facing first work plane 24 and the second work plane 26 in the circumference of this second oil pipe 13.This first work plane 24, second work plane 26 and the sidewall of the second oil pipe 13 connect with the first work plane 24 and the second work plane 26 Xiang Ling are formed with breach 27.
As shown in Figure 2, in the present embodiment, when the link 34 of the second oil pipe 13 is connected with the second end 17 of connector 19, make this breach 27 corresponding with the first groove 21, thus anti-turn (aftermentioned) can be made to be placed in this breach 27 and the first groove 21, prevent the second oil pipe 13 from rotating in the circumferential relative to the first oil pipe 10.
As shown in Figure 3, in the present embodiment, anti-turning 35 can be contained in the first groove 21 and breach 27 simultaneously, thus when the moment of torsion of sucker rod twisting is discharged on the first oil pipe 10 and the second oil pipe 13, torsional interaction is when the junction of connector 19 and the second oil pipe 13, shackle power is formed to this junction, this is anti-turns and 35 can be contained in the first groove 21 and breach 27 simultaneously, thus the junction of connector 19 and the second oil pipe 13 is not rotated under the effect of shackle power, thus the rotation avoided between the first oil pipe 10 and the second oil pipe 13, achieve the object that the invention provides a kind of oil pipe that can prevent junction from rotating.The Part I 33 that anti-35 tools of turning have phase Ling to connect and Part II 37, this Part I 33 can be contained in the first groove 21, and this Part II can be contained in breach 27, thus this anti-turning 35 can be contained in the first groove 21 and breach 27 simultaneously.
As shown in Figure 3, in the present embodiment, with these anti-35 annulus fixed 31 of turning, this annulus 31 can be set on this connector 19 or projection 25, thus the Part I 33 preventing turning 35 is placed in the first groove 21, and Part II 37 is placed in breach 27.Thus avoid when anti-turn be placed in this breach 27 and the first groove 21 time, anti-ly turn 35 radially from the first groove 21 or breach 27 is interior drops to the direction away from oil pipe sidewall.
In the present embodiment, with these anti-35 annulus fixed 31 of turning, this annulus 31 can be set on the first oil pipe 10 or the second oil pipe 13, thus the Part I 33 preventing turning 35 is placed in the first groove 21, and Part II 37 is placed in breach 27.Thus avoid when anti-turn be placed in this breach 27 and the first groove 21 time, anti-ly turn 35 radially from the first groove 21 or breach 27 is interior drops to the direction away from oil pipe sidewall.
In the present embodiment, in this breach 27, the sidewall of this second oil pipe 13 and this first work plane 24 and/or this second work plane 26 are formed with the operating angle that is acute angle, thus avoid when anti-turn be placed in this breach 27 and the first groove 21 time, anti-ly turn 35 radially from the first groove 21 or breach 27 is interior drops to the direction away from oil pipe sidewall.
As shown in Figure 1, in the present embodiment, be sheathed on the seal 39 on the link 17 of the second oil pipe 13, seal 39 is for when the second oil pipe 13 is connected with connector 19, seal 39 is compressed between connector 19 and projection 25, thus increase the sealing of the junction of connector 19 and the second oil pipe 13, prevent the leakage of this junction crude oil.
As shown in Figure 3, in the present embodiment, the first end 15 of connector 19 is connected with the first oil pipe 10, the link 34 of the second oil pipe 13 is connected with the second end 17 of connector 19, thus the second oil pipe 13 is connected with the first oil pipe 10, and breach 27 on the second oil pipe 13 is corresponding with the first groove 21 on connector 19, thus when the moment of torsion of sucker rod twisting is discharged on oil pipe, torsional interaction is in oil pipe junction, when shackle power is formed to the first oil pipe 10 and the second oil pipe 13, anti-turn 35 Part I 3 be contained in the first groove 21, Part II 37 is contained in breach 27, thus the junction of connector 19 and the second oil pipe 13 is not rotated under the effect of shackle power, thus the rotation avoided between the first oil pipe 10 and the second oil pipe 13, achieve the object that the invention provides a kind of oil pipe that can prevent junction from rotating.
The foregoing is only several embodiments of the present invention, those skilled in the art can carry out various change or modification to the embodiment of the present invention according to content disclosed in application documents and not depart from the spirit and scope of the present invention.
Claims (5)
1. an oil pipe, is characterized in that, it comprises:
The first oil pipe that lengthwise extends and the second oil pipe;
Have back to first end and the connector of the second end, described first end is used for being connected with described first oil pipe;
The sidewall of described connector is formed with the first groove caved in from the end face of described second end to described first end;
Protrude the projection of the sidewall of described second oil pipe; Described projection has opposed facing first work plane and the second work plane in the circumference of described second oil pipe;
The breach formed by described first work plane, described second work plane and the sidewall of described second oil pipe that connects with described first work plane and described second work plane Xiang Ling;
To be contained in described first groove and described breach anti-simultaneously turns.
2. oil pipe according to claim 1, it is characterized in that, it comprises: with the described anti-annulus fixed of turning, described annulus can be set on described connector or described projection, thus described anti-rotation physical efficiency is contained in described first groove and described breach simultaneously.
3. oil pipe according to claim 2, is characterized in that: described annulus can be set on described first oil pipe or described second oil pipe, thus described anti-rotation physical efficiency is contained in described first groove and described breach simultaneously.
4. oil pipe according to claim 1, is characterized in that: in described breach, the sidewall of described second oil pipe and described first work plane and/or described second work plane are formed with the operating angle that is acute angle.
5. oil pipe according to claim 1, is characterized in that, it comprises: described second oil pipe has the link near described projection, and described link is used for being connected with the second end of described connector; Be sheathed on the seal on described link, described seal is used for when described second oil pipe is connected with described connector, and described seal is compressed between described connector and described projection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510084632.5A CN104632092B (en) | 2015-02-16 | 2015-02-16 | Oil pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510084632.5A CN104632092B (en) | 2015-02-16 | 2015-02-16 | Oil pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104632092A true CN104632092A (en) | 2015-05-20 |
| CN104632092B CN104632092B (en) | 2017-05-10 |
Family
ID=53211271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510084632.5A Active CN104632092B (en) | 2015-02-16 | 2015-02-16 | Oil pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104632092B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5069297A (en) * | 1990-01-24 | 1991-12-03 | Rudolph E. Krueger, Inc. | Drill pipe/casing protector and method |
| GB9201929D0 (en) * | 1991-01-29 | 1992-03-18 | Stable Services Ltd | Stabilising tool |
| US5097905A (en) * | 1991-01-28 | 1992-03-24 | Mobil Oil Corporation | Centralizer for well casing |
| US6227313B1 (en) * | 1999-07-23 | 2001-05-08 | Baker Hughes Incorporated | Anti-torque tool |
| US6269879B1 (en) * | 2000-03-20 | 2001-08-07 | Harper Boyd | Sleeve liner for wireline entry sub assembly |
| CN101994484A (en) * | 2009-08-29 | 2011-03-30 | 张建平 | Wind-water dual-purpose inserted outburst-prevention drill rod |
| CN202132012U (en) * | 2011-07-17 | 2012-02-01 | 高鲁亚 | Novel sleeve well plugging device |
| CN202561326U (en) * | 2012-04-13 | 2012-11-28 | 刘堪金 | Self-locking high-pressure hose assembly |
| CN204532129U (en) * | 2015-02-16 | 2015-08-05 | 中国石油天然气股份有限公司 | A kind of oil pipe |
-
2015
- 2015-02-16 CN CN201510084632.5A patent/CN104632092B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5069297A (en) * | 1990-01-24 | 1991-12-03 | Rudolph E. Krueger, Inc. | Drill pipe/casing protector and method |
| US5097905A (en) * | 1991-01-28 | 1992-03-24 | Mobil Oil Corporation | Centralizer for well casing |
| GB9201929D0 (en) * | 1991-01-29 | 1992-03-18 | Stable Services Ltd | Stabilising tool |
| US6227313B1 (en) * | 1999-07-23 | 2001-05-08 | Baker Hughes Incorporated | Anti-torque tool |
| US6269879B1 (en) * | 2000-03-20 | 2001-08-07 | Harper Boyd | Sleeve liner for wireline entry sub assembly |
| CN101994484A (en) * | 2009-08-29 | 2011-03-30 | 张建平 | Wind-water dual-purpose inserted outburst-prevention drill rod |
| CN202132012U (en) * | 2011-07-17 | 2012-02-01 | 高鲁亚 | Novel sleeve well plugging device |
| CN202561326U (en) * | 2012-04-13 | 2012-11-28 | 刘堪金 | Self-locking high-pressure hose assembly |
| CN204532129U (en) * | 2015-02-16 | 2015-08-05 | 中国石油天然气股份有限公司 | A kind of oil pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104632092B (en) | 2017-05-10 |
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