CN212480529U - Connecting sleeve for petroleum well completion - Google Patents
Connecting sleeve for petroleum well completion Download PDFInfo
- Publication number
- CN212480529U CN212480529U CN202021143419.XU CN202021143419U CN212480529U CN 212480529 U CN212480529 U CN 212480529U CN 202021143419 U CN202021143419 U CN 202021143419U CN 212480529 U CN212480529 U CN 212480529U
- Authority
- CN
- China
- Prior art keywords
- center tube
- tube
- wall
- wear
- recess
- 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
- 239000003208 petroleum Substances 0.000 title description 4
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000000919 ceramic Substances 0.000 claims abstract description 13
- 239000003129 oil well Substances 0.000 claims abstract description 9
- 238000007789 sealing Methods 0.000 claims abstract description 8
- 230000007797 corrosion Effects 0.000 abstract description 4
- 238000005260 corrosion Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004642 transportation engineering Methods 0.000 description 1
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- Compositions Of Oxide Ceramics (AREA)
Abstract
The utility model belongs to the technical field of oil well completion instrument technique and specifically relates to a adapter sleeve for oil well completion, including the adapter sleeve, the adapter sleeve left end is provided with flange joint, the adapter sleeve includes the center tube, the inside zirconia ceramic inner tube that is provided with of center tube, the outside cover of center tube is equipped with the wear-resisting cover of subtract button, subtract the wear-resisting cover both ends of button and all fix on the center tube through the clamp, center tube right-hand member inner wall is provided with the recess, be provided with the notch that corresponds the recess on the zirconia ceramic inner tube right-hand member outer wall, it is provided with the sealing ring to fill between recess and the notch, be provided with. The utility model discloses in, through set up zirconia ceramic inner tube in the center tube, intensity is high, and is stand wear and tear, and corrosion resistance is good, through setting up the wear-resisting cover of subtract button, can effectively protect the center tube, avoids its friction that receives the well inner wall to lead to the center tube damaged, suitable using widely.
Description
Technical Field
The utility model relates to an oil well completion instrument technical field specifically is a adapter sleeve for oil well completion.
Background
The oil pipeline connecting sleeve is oil pipeline connecting equipment for connecting petroleum or petroleum products, plays an important role in line turning or pipe connection, and is an indispensable important link in petroleum transportation engineering.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a connecting sleeve for oil well completion, through set up zirconia ceramic inner tube in the center tube, intensity is high, and is stand wear and tear, and corrosion resistance is good, through setting up the wear-resisting cover of subtract button, can effectively protect the center tube, avoids its friction that receives inner wall in the well to lead to the center tube damaged to solve the problem of proposing in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a connecting sleeve for oil well completion, includes the connecting sleeve, the connecting sleeve left end is provided with flange joint, the connecting sleeve includes the center tube, the inside zirconia ceramic inner tube that is provided with of center tube, the outside cover of center tube is equipped with the wear-resisting cover of subtracting the button, subtract the wear-resisting cover both ends of button and all fix on the center tube through the clamp, center tube right-hand member inner wall is provided with the recess, be provided with the notch that corresponds the recess on the zirconia ceramic inner tube right-hand member outer wall, it is provided with the sealing ring to fill between recess and the notch, be provided with the internal thread on the flange joint left end inner wall.
Preferably, the clamp is fixedly connected with the central tube through a fixing screw.
Preferably, the diameter of the inner wall of the flange joint is the same as the diameter of the outer wall of the central tube.
Preferably, the surfaces of the internal thread and the external thread are both sleeved with sealing rubber layers.
Compared with the prior art, the beneficial effects of the utility model are that: through set up zirconia ceramic inner tube in the center tube, intensity is high, and is stand wear and tear, and corrosion resistance is good, through setting up the wear-resisting cover of knob that subtracts, can effectively protect the center tube, avoids it to receive the friction of inner wall in the well to lead to the center tube damage, suitable using widely.
Drawings
Fig. 1 is the utility model relates to a connecting sleeve overall structure sketch map for oil well completion.
In the figure: 1. connecting sleeves; 2. a flange joint; 3. a zirconia ceramic inner tube; 4. a central tube; 5. a wear-resistant sleeve of the reducing button; 6. clamping a hoop; 7. a set screw; 8. internally connecting a thread; 9. externally connecting a thread; 10. and (4) a sealing ring.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
the utility model provides a adapter sleeve for oil well completion, including adapter sleeve 1, 1 left end of adapter sleeve is provided with flange joint 2, adapter sleeve 1 includes center tube 4, 4 inside zirconia ceramic inner tubes 3 that are provided with of center tube, 4 outside covers of center tube are equipped with subtract wear-resisting cover 5 of button, subtract 5 both ends of wear-resisting cover of button and all fix on center tube 4 through clamp 6, 4 right-hand member inner walls of center tube are provided with the recess, be provided with the notch that corresponds the recess on 3 right-hand member outer walls of zirconia ceramic inner tube, it is provided with sealing ring 10 to fill between recess and the notch, be provided with internal thread 8 on 2 left end inner walls of flange joint, be.
Wherein, the clamp 6 is fixedly connected with the central tube 4 through a fixing screw 7.
Wherein the diameter of the inner wall of the flange joint 2 is the same as the diameter of the outer wall of the central tube 4.
Wherein, the surfaces of the internal thread 8 and the external thread 9 are both sleeved with sealing rubber layers.
The working principle is as follows: through set up zirconia ceramic inner tube in the center tube, intensity is high, and is stand wear and tear, and corrosion resistance is good, through setting up the wear-resisting cover of knob that subtracts, can effectively protect the center tube, avoids it to receive the friction of inner wall in the well to lead to the center tube damage, suitable using widely.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. The utility model provides a connecting sleeve for oil well completion, includes connecting sleeve (1), its characterized in that: adapter sleeve (1) left end is provided with flange joint (2), adapter sleeve (1) includes center tube (4), the inside zirconia ceramic inner tube (3) that is provided with of center tube (4), the outside cover of center tube (4) is equipped with subtracts wear-resisting cover of button (5), subtract wear-resisting cover of button (5) both ends and all fix on center tube (4) through clamp (6), center tube (4) right-hand member inner wall is provided with the recess, be provided with the notch that corresponds the recess on zirconia ceramic inner tube (3) right-hand member outer wall, it is provided with sealing ring (10) to fill between recess and the notch, be provided with inscription screw thread (8) on flange joint (2) left end inner wall, be provided with external screw thread (9) on center tube (4) right-hand member.
2. The connecting sleeve for oil completion according to claim 1, wherein: the clamp (6) is fixedly connected with the central tube (4) through a fixing screw (7).
3. The connecting sleeve for oil completion according to claim 1, wherein: the diameter of the inner wall of the flange joint (2) is the same as that of the outer wall of the central pipe (4).
4. The connecting sleeve for oil completion according to claim 1, wherein: and sealing rubber layers are sleeved on the surfaces of the internal connection thread (8) and the external connection thread (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021143419.XU CN212480529U (en) | 2020-06-19 | 2020-06-19 | Connecting sleeve for petroleum well completion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021143419.XU CN212480529U (en) | 2020-06-19 | 2020-06-19 | Connecting sleeve for petroleum well completion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212480529U true CN212480529U (en) | 2021-02-05 |
Family
ID=74413026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021143419.XU Expired - Fee Related CN212480529U (en) | 2020-06-19 | 2020-06-19 | Connecting sleeve for petroleum well completion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212480529U (en) |
-
2020
- 2020-06-19 CN CN202021143419.XU patent/CN212480529U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210205 |