CN211598559U - Coiled tubing well drilling weight bar - Google Patents
Coiled tubing well drilling weight bar Download PDFInfo
- Publication number
- CN211598559U CN211598559U CN202020175892.XU CN202020175892U CN211598559U CN 211598559 U CN211598559 U CN 211598559U CN 202020175892 U CN202020175892 U CN 202020175892U CN 211598559 U CN211598559 U CN 211598559U
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- Prior art keywords
- cable
- wall
- coiled tubing
- hole
- pipe
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- Expired - Fee Related
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- 238000005553 drilling Methods 0.000 title claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 6
- 241001023788 Cyttus traversi Species 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The utility model relates to a continuous oil pipe well drilling weighting rod, which comprises a rod body, wherein both ends of the rod body are respectively provided with an upper joint and a lower joint, a cable protective pipe is arranged in the rod body, a cable socket is arranged at the upper end of the cable protective pipe, a liquid passing hole is arranged in the pipe wall of the end part of the cable protective pipe, a plug is arranged at the lower end of the cable protective pipe, and a righting ring provided with the liquid passing hole is connected outside the pipe wall of the end part of the cable protective pipe; the cable can pass through the cable hole in the cable protection tube, and a liquid passing channel is formed between the rod body and the cable protection tube. The utility model discloses can pass through the cable and through drilling fluid, can a plurality of series connection in the below of operation faucet, show the weight that has increased coiled tubing. Effectively improves the drilling construction efficiency, reduces the production cost, and has remarkable economic benefit and social benefit, good use effect and application value.
Description
Technical Field
The utility model relates to an appurtenance of oil industry coiled tubing well drilling, especially a coiled tubing well drilling weight bar.
Background
In the oil industry, coiled tubing drilling is an emerging drilling construction technology. Because the coiled tubing has thin pipe diameter and light weight, the coiled tubing is difficult to drop into the well at the well head in the initial stage of the coiled tubing drilling construction.
In conventional drilling operations, in order to overcome the problem that the drill pipe is difficult to run into the well at the early stage of drilling, a weight bar is used to increase the weight of the drill pipe during the drilling operation. The weighting rod for weighting the drill rod consists of a weighting rod body, a center hole, an upper joint and a lower joint, wherein the center hole of the weighting rod can only pass through drilling fluid but can not pass through a cable, and only can meet the operation requirement of conventional drilling.
Because a plurality of drilling tools such as hydraulic control, test control and the like need to be connected through cables in the coiled tubing drilling well descending tubular column, the weighting rod in the coiled tubing drilling operation needs to be capable of penetrating through the cables, and therefore the weighting rod for conventional drilling cannot meet the requirements of the coiled tubing drilling operation.
In view of the above, there is a need to develop a weight rod specially used for coiled tubing drilling, which solves the problem that the coiled tubing drilling construction site lacks a weight rod capable of being used.
Disclosure of Invention
The utility model aims at providing a coiled tubing well drilling weight bar lets the weight bar can pass the cable, solves the problem that present coiled tubing well drilling job site lacks the weight bar, improves coiled tubing's well drilling efficiency of construction.
In order to solve the above problem, the utility model discloses a realize like this:
a kind of coiled tubing well drilling weight bar includes the body of rod, both ends of the body of rod have upper joints and lower joints separately, equipped with the cable protective pipe in the body of rod, the upper end of the cable protective pipe is equipped with the cable socket and there are liquid holes in the pipe wall of end of this end, the bottom end of the cable protective pipe is equipped with the plug and this end pipe wall of end is connected with the righting ring equipped with liquid hole outside; the cable can pass through the cable hole in the cable protection tube, and a liquid passing channel is formed between the rod body and the cable protection tube.
The cable passing hole is communicated with two ends of the cable protection pipe, the upper end of the cable protection pipe is arranged below the upper joint, and the lower end of the cable protection pipe is arranged at the lower end of the lower joint.
The outer wall of the upper end of the cable protective pipe is a step outer wall, the liquid passing hole is formed in the step outer wall, and a spring is arranged between the lower part of the outer wall provided with the liquid passing hole and the inner cavity of the rod body; the cable socket is internally provided with a cable jack, and a sealing ring is arranged between the outer wall of the cable socket and the inner wall of the cable protection tube.
The center hole of the centralizing ring is in threaded connection with the outer wall of the lower end of the cable protective pipe, the outer wall of the centralizing ring is in clearance fit with the inner wall of the lower connector, and the liquid passing hole is formed in the body on the periphery of the center hole of the centralizing ring.
The liquid passing holes in the upper end of the cable protection pipe and the liquid passing holes in the righting ring are both arranged at more than two positions.
And a plug base is arranged above the plug and can be inserted into the inner cavity of the lower end of the cable protection tube, and a sealing ring is arranged between the plug base and the inner cavity of the lower end of the cable protection tube.
The outer walls of the cable socket and the plug base are provided with plastic layers, and the plug can be inserted into the cable socket.
The coiled tubing drilling weighting rod can be connected with the operation faucet and is connected below the operation faucet in series.
The utility model discloses a show the effect and be: the utility model discloses can pass through the cable and through drilling fluid, can a plurality of series connection in the below of operation faucet, show the weight that has increased coiled tubing. When the coiled tubing is used for drilling construction, the problems that the coiled tubing is thin in pipe diameter and light in weight, and the coiled tubing is difficult to drop into a well at a well head in the initial stage of dropping the well are solved. Effectively improves the drilling construction efficiency, reduces the production cost, and has remarkable economic benefit and social benefit, good use effect and application value.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The following detailed description of the present invention with reference to the drawings is not intended to limit the scope of the present invention, and all the modifications of the present invention belong to the protection category.
Referring to fig. 1, a coiled tubing drilling weighting rod comprises a rod body 6, wherein an upper joint 1 and a lower joint 8 are respectively arranged at two ends of the rod body 6, a cable protection tube 5 is arranged in the rod body 6, a cable socket 4 is arranged at the upper end of the cable protection tube 5, a liquid passing hole 2 is arranged in the tube wall of the end part, a plug 12 is arranged at the lower end of the cable protection tube 5, and a centralizing ring 9 provided with the liquid passing hole 2 is connected to the outer surface of the tube wall of the end part; the cable can pass through the cable hole 7 in the cable protective tube 5, and a liquid passing channel is formed between the rod body 6 and the cable protective tube 5 and can pass through drilling liquid.
The cable through hole 7 is communicated with two ends of the cable protection tube 5, the upper end of the cable protection tube 5 is arranged below the upper joint 1, and the lower end of the cable protection tube 5 is arranged at the lower end of the lower joint 8.
The outer wall of the upper end of the cable protective pipe 5 is a step outer wall, the liquid passing hole 2 is arranged in the step outer wall, and a spring 3 is arranged between the lower part of the outer wall provided with the liquid passing hole 2 and the inner cavity of the rod body 6; a cable jack is arranged in the cable socket 4, and a sealing ring is arranged between the outer wall of the cable socket and the inner wall of the cable protection tube 5.
The center hole of the righting ring 9 is in threaded connection with the outer wall of the lower end of the cable protective pipe 5, the outer wall of the righting ring 9 is in clearance fit with the inner wall of the lower connector 8, and the liquid passing hole 2 is formed in the body on the periphery of the center hole of the righting ring 9.
The liquid passing holes 2 at the upper end of the cable protection pipe 5 and the liquid passing holes 2 in the righting ring 9 are both arranged more than two.
A plug base 11 is arranged above the plug 12, and the plug base 11 can be inserted into the inner cavity of the lower end of the cable protection tube 5 and is provided with a sealing ring 10 between the plug base 11 and the inner cavity of the lower end of the cable protection tube 5.
The outer walls of the cable socket 4 and the plug base 11 are both provided with plastic layers, and the plug 12 can be inserted into the cable socket 4.
The coiled tubing drilling weighting rod can be connected with the operation faucet and is connected below the operation faucet in series.
The use method of the device comprises the following steps: when coiled tubing drilling construction, be connected cable one end and cable socket 4 or plug base 11 back, pass the other end of cable the utility model discloses a cable hole 7 is connected well with plug base 11 or cable socket 4. Will be connected with the cable the utility model discloses connect the operation horse tap below in the coiled tubing tubular column, the utility model discloses can a plurality of series connection be in the same place. Due to the fact that the weight of the coiled tubing string is increased, when the coiled tubing string is lowered into the well at the initial stage, the problems that the coiled tubing string is thin in pipe diameter and light in weight and cannot be lowered into the well at the well mouth are solved, and the well drilling construction efficiency is improved.
The embodiments described above are merely exemplary embodiments, but the present invention is not limited to these embodiments, and those skilled in the art can make modifications without departing from the spirit and teaching of the present invention. Many variations, combinations, and modifications of the aspects disclosed herein are possible and are within the scope of the invention, which is, therefore, not to be limited by the above description.
Claims (8)
1. A kind of continuous tubing well drilling weight bar, including the body of rod, both ends of the body of rod have upper joints and lower joints separately, its characteristic is, there are cable protective pipes in the body of rod, the upper end of the cable protective pipe is equipped with the cable socket and the end pipe wall of the end has liquid through holes, the lower end of the cable protective pipe is equipped with the plug and the end pipe wall of the end connects and has righting the ring with liquid through hole outside; the cable can pass through the cable hole in the cable protection tube, and a liquid passing channel is formed between the rod body and the cable protection tube.
2. The coiled tubing drilling weighting bar of claim 1, wherein the cable passing hole is communicated with both ends of the cable sheath, an upper end of the cable sheath is installed below the upper joint, and a lower end of the cable sheath is installed at a lower end of the lower joint.
3. The coiled tubing drilling weighting bar of claim 2, wherein the outer wall of the upper end of the cable sheath is a step outer wall, the liquid passing hole is arranged in the step outer wall, and a spring is arranged between the lower part of the outer wall provided with the liquid passing hole and the inner cavity of the bar body; the cable socket is internally provided with a cable jack, and a sealing ring is arranged between the outer wall of the cable socket and the inner wall of the cable protection tube.
4. The coiled tubing drilling weighting bar of claim 1, wherein the central hole of the centralizing ring is in threaded connection with the outer wall of the lower end of the cable protective tube, the outer wall of the centralizing ring is in clearance fit with the inner wall of the lower joint, and the liquid passing hole is formed in the body at the periphery of the central hole of the centralizing ring.
5. The coiled tubing drilling weight bar of claim 4, wherein the fluid passing hole at the upper end of the cable sheath and the fluid passing hole in the centralizing ring are both arranged in more than two.
6. The coiled tubing drilling weight bar of claim 1, wherein the plug base is above the plug, the plug base can be inserted into the lower end inner cavity of the cable sheath and a sealing ring is arranged between the plug base and the lower end inner cavity of the cable sheath.
7. The coiled tubing drilling weighting bar of claim 6, wherein the outer walls of the cable socket and the plug base are provided with plastic layers, and the plug can be inserted into the cable socket.
8. The coiled tubing drilling boom of claim 7, wherein the coiled tubing drilling boom is connectable to and inline below a work horse head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020175892.XU CN211598559U (en) | 2020-02-17 | 2020-02-17 | Coiled tubing well drilling weight bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020175892.XU CN211598559U (en) | 2020-02-17 | 2020-02-17 | Coiled tubing well drilling weight bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211598559U true CN211598559U (en) | 2020-09-29 |
Family
ID=72580801
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020175892.XU Expired - Fee Related CN211598559U (en) | 2020-02-17 | 2020-02-17 | Coiled tubing well drilling weight bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211598559U (en) |
-
2020
- 2020-02-17 CN CN202020175892.XU patent/CN211598559U/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: 20200929 Termination date: 20210217 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |