CN211370312U - Bypass nipple with large-aperture cable leading-in hole - Google Patents
Bypass nipple with large-aperture cable leading-in hole Download PDFInfo
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- CN211370312U CN211370312U CN201922458608.XU CN201922458608U CN211370312U CN 211370312 U CN211370312 U CN 211370312U CN 201922458608 U CN201922458608 U CN 201922458608U CN 211370312 U CN211370312 U CN 211370312U
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- cable
- hole
- bypass
- main body
- leading
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- 210000002445 nipple Anatomy 0.000 title abstract description 8
- 210000004907 gland Anatomy 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006698 induction Effects 0.000 abstract 3
- 238000007789 sealing Methods 0.000 description 5
- 238000005553 drilling Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002411 adverse Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Abstract
A bypass short section with a large-aperture cable leading-in hole comprises a bypass main body which is integrally of a cylindrical structure, wherein the side wall of the bypass main body is provided with a cable leading-in hole communicated with a cylindrical inner hole, the diameter of the cable leading-in hole is larger than the maximum diameter of a correspondingly used torpedo joint, the cylindrical inner hole is provided with an eccentric diameter which is opposite to the radial direction of the other side of the cable leading-in hole at the position of the cable leading-in hole opening area, the wall thickness of a cylinder body at the cable leading-in hole opening area is increased, and a pressure pad, a rubber pad and a pressure cap are arranged at the outer opening; the utility model discloses to prior art problem, improve bypass nipple joint structure, increase logging cable induction hole aperture makes the torpedo that is connected with the logging cable connect can directly pass in the middle of the leading-in bypass main part of cable induction hole, improves the installation effectiveness that the torpedo connects, guarantees the connection quality, simultaneously, installation cable positioner still can guarantee the sealed effect of cable induction hole in the bypass main part to play the guard action to the logging cable.
Description
Technical Field
The utility model relates to a bypass nipple joint, in particular to bypass nipple joint with large aperture cable inlet hole.
Background
The cable bypass short section is a general tool in oil field drilling production, and is used for guiding a cable into a horizontal well downhole instrument and assisting a slurry pump to butt joint a torpedo joint so as to realize the conduction of the downhole instrument and a ground power supply; the existing cable bypass short section is limited by the integral pipe diameter and the wall thickness of the side wall, the design aperture of a cable lead-in hole is usually smaller, the diameter is generally about 14 mm, the smaller aperture range ensures that a torpedo joint cannot be led in from the cable lead-in hole and cannot pass through, in actual production, the cable firstly passes through the cable leading-in hole, the cable is led into the bypass short section from the outside, then the cable is led out from the lower part of the bypass short section, then a torpedo joint is arranged at the end of the cable, because the installation operation of the torpedo joint needs to be carried out after the bypass short joint is connected, namely the whole operation process is limited to be carried out on the placement site of the bypass short joint and even the oil production site, therefore, the installation work efficiency of the torpedo connector is reduced, and the connection quality and the connection precision of the torpedo connector and the cable are adversely affected. Therefore, there is a need to improve the structure of the bypass joint in the prior art to overcome the adverse effect of the bypass joint on the connection and installation process of the torpedo joint, ensure the connection quality and connection precision of the torpedo joint and improve the installation efficiency of the torpedo joint.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bypass nipple joint with large aperture cable inlet hole makes the torpedo joint directly import from the cable inlet, improves the installation effectiveness and the connection precision that the torpedo connects.
A bypass sub having a large bore cable entry port, comprising: a bypass body having an overall cylindrical configuration; the upper end of the bypass main body is provided with an internal thread for connecting with a slurry pump or a kelly bar, and the lower end of the bypass main body is provided with an external thread for connecting with a downhole drilling tool; the side wall of the bypass main body is provided with a cable leading-in hole communicated with a cylindrical inner hole in the bypass main body, the diameter of the cable leading-in hole is larger than the maximum diameter of a correspondingly used torpedo connector, and in order to enable the wall thickness of the opening part of the cable leading-in hole to meet the requirements of aperture expansion and sealing structure design, the cylindrical inner hole is provided with an eccentric diameter shrinkage towards the other side of the radial direction of the opening part of the cable leading-in hole at the opening part of the cable leading-in hole, so that the wall thickness of a cylinder body of the opening part of the cable leading-in; the cable lead-in hole sealing device is characterized in that an expanding section is arranged at the outer opening end of the cable lead-in hole, an internal thread is arranged at the end head, a pressing pad, a rubber pad and a pressing cap are sequentially arranged in the expanding section of the cable lead-in hole, the pressing cap is provided with an external thread and is matched and connected with the internal thread at the end head of the cable lead-in hole to seal the cable lead-in hole.
Furthermore, a cable positioning device is arranged on the upper part of the corresponding opening area of the cable leading-in hole and the side wall of the bypass main body, the cable positioning device consists of a bypass main body surface structure and a gland which is correspondingly matched with the bypass main body surface structure, the surface structure of the bypass main body comprises a cable guide groove and a positioning pin, the gland is provided with a cable matching guide groove correspondingly matched with the cable guide groove and a positioning hole matched with the positioning pin, after the gland is fixedly arranged on the surface of the bypass main body by matching and positioning the positioning pin and the positioning pin, the logging cable pre-positioned in the cable guide groove is pressed and fastened in the cable guide groove and the cable matching guide groove, the cable is fixed and positioned, and the damage or influence on the sealing effect of the cable lead-in hole due to the swinging and winding of the logging cable is avoided; meanwhile, preferably, the cable guide groove and the cable matching guide groove are correspondingly provided with protective copper tiles which are clamped on the logging cable, so that the stability and reliability of fixing and positioning the logging cable are improved, and the logging cable is protected.
Still further, on the upper portion of the cable positioning device and the side wall of the bypass main body, the cable guide groove extends to the upper end edge of the bypass main body, so as to protect the logging cable from being damaged or broken possibly caused by the extrusion of the bypass main body in the working state.
The utility model has the advantages that: aiming at the problems in the prior art, the bypass short section structure is improved, the hole diameter of a logging cable leading-in hole is increased, and after the torpedo connector and the logging cable are connected and installed, the torpedo connector can directly penetrate through the cable leading-in hole and be led into an inner hole of a bypass main body, so that the problems that the torpedo connector is installed after penetrating through the logging cable on site and then being connected are solved, the installation efficiency is low, the connection quality and the connection precision are easily influenced, the installation efficiency of the torpedo connector is improved, and the connection quality is ensured; meanwhile, the cable positioning device is arranged on the bypass main body, so that damage or influence on the sealing effect of the cable lead-in hole due to the swinging and winding of the logging cable can be avoided, and the logging cable is protected.
Drawings
Fig. 1 is a main view of a bypass nipple structure with a large-aperture cable introduction hole.
Fig. 2 and a sectional view taken along line a-a in fig. 1.
Fig. 3 is a side view of a bypass sub structure having a large-diameter cable introduction hole.
Fig. 4, a schematic view of a gland structure.
Detailed Description
The technical solution claimed by the present invention is further explained below with reference to the specific embodiments and the accompanying drawings.
A bypass sub having a large bore cable entry port, as shown in figures 1 and 3, comprising: the bypass device comprises a bypass main body 1, wherein the upper end of the bypass main body is provided with an internal thread, and the lower end of the bypass main body is provided with an external thread; a cable lead-in hole 2 communicated with a cylindrical inner hole 10 of the bypass main body 1 is formed in the side wall of the bypass main body 1, the diameter of the cable lead-in hole 2 is 43.3 mm, and the cylindrical inner hole 10 is provided with an eccentric diameter reduction facing the other side of the radial direction of the position where the cable lead-in hole 2 is formed in the region of the position above the position, as shown in fig. 2; and a pressure pad 3, a rubber pad 4 and a pressure cap 5 are sequentially arranged at the end of the cable leading-in hole 2 to seal the cable leading-in hole 2.
Meanwhile, a cable positioning device is arranged on the upper part of the cable guide hole 2 and the side wall of the bypass main body 1, the cable positioning device is composed of a bypass main body surface structure and a gland 20, the bypass main body surface structure comprises a cable guide groove 6 and a positioning pin 7, the gland 20 is provided with a cable matching guide groove 11 correspondingly matched with the cable guide groove 6 and a positioning hole 12 matched with the positioning pin 7, a protection copper tile 8 is correspondingly arranged in the cable guide groove 6 and the cable matching guide groove 11, the gland 20 is fixedly arranged on the surface of the bypass main body 1 through a screw fastening mode by matching the positioning pin 7 and the positioning hole 12 and clamping a logging cable 9 in the protection copper tile 8 through a bolt hole 13a of the bypass main body 1 and a matching bolt hole 13b on the gland 20 respectively, and the logging cable 9 is fixed and positioned.
The bypass nipple with the large-aperture cable guide hole is used for oil field logging operation, and comprises the following steps:
and 4, disconnecting the drill rod from the mud pump, connecting the wellhead end of the drill rod to a drilling kelly bar, and starting to perform underground detection.
Due to the logging operation process, the connection between the torpedo female joint and the logging cable is not particularly limited to the placement site of the bypass short section or even the oil extraction site, so that the connection process is not influenced by the oil extraction site environment, the connection quality and the connection precision of the torpedo female joint can be fully ensured, and the connection and installation working efficiency is higher.
Claims (4)
1. A bypass sub with a large-aperture cable introduction hole, comprising: a bypass body (1) of generally cylindrical configuration; the upper end of the bypass main body (1) is provided with an internal thread, and the lower end of the bypass main body is provided with an external thread; a cable leading-in hole (2) communicated with a cylindrical inner hole (10) in the bypass main body (1) is formed in the side wall of the bypass main body (1), the cylindrical inner hole (10) is provided with an eccentric diameter reduction facing the other side of the radial direction of the formed part of the cable leading-in hole (2) at the formed part of the cable leading-in hole (2), and the wall thickness of a cylinder body in the formed part of the cable leading-in hole (2) is increased; an expanding section is arranged at the outer opening end of the cable leading-in hole (2), an internal thread is arranged at the end head, and a pressing pad (3), a rubber pad (4) and a pressing cap (5) are sequentially arranged in the expanding section of the cable leading-in hole (2).
2. The bypass sub having a large-bore cable entry port as claimed in claim 1, wherein: the cable positioning device is arranged on the upper portion of the corresponding opening area of the cable leading-in hole (2) and on the side wall of the bypass main body (1), the cable positioning device is composed of a bypass main body surface structure and a gland (20) correspondingly matched with the bypass main body surface structure, the bypass main body surface structure comprises a cable guide groove (6) and a positioning pin (7), and the gland (20) is provided with a cable matching guide groove (11) correspondingly matched with the cable guide groove (6) and a positioning hole (12) matched with the positioning pin (7).
3. The bypass sub having a large-bore cable entry port as claimed in claim 2, wherein: and protective copper tiles (8) are correspondingly arranged in the cable guide groove (6) and the cable matching guide groove (11).
4. A bypass sub having a large bore cable entry port according to claim 2 or 3, wherein: on the upper part of the cable positioning device and the side wall of the bypass main body (1), the cable guide groove (6) extends to the upper end edge of the bypass main body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922458608.XU CN211370312U (en) | 2019-12-31 | 2019-12-31 | Bypass nipple with large-aperture cable leading-in hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922458608.XU CN211370312U (en) | 2019-12-31 | 2019-12-31 | Bypass nipple with large-aperture cable leading-in hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211370312U true CN211370312U (en) | 2020-08-28 |
Family
ID=72165597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922458608.XU Active CN211370312U (en) | 2019-12-31 | 2019-12-31 | Bypass nipple with large-aperture cable leading-in hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211370312U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417579A (en) * | 2021-07-22 | 2021-09-21 | 上海勘察设计研究院(集团)有限公司 | Cabled light in-situ test while drilling system opening reducer union |
-
2019
- 2019-12-31 CN CN201922458608.XU patent/CN211370312U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113417579A (en) * | 2021-07-22 | 2021-09-21 | 上海勘察设计研究院(集团)有限公司 | Cabled light in-situ test while drilling system opening reducer union |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210616 Address after: 157000 1st floor, No.5 workshop, area 1, accelerator, Sino Russian Information Industrial Park, Jiangnan New Town, Dong'an District, Mudanjiang City, Heilongjiang Province Patentee after: Mudanjiang Aotai Refining Technology Co.,Ltd. Address before: 157000 1st floor, No.5 workshop, area 1, accelerator, Sino Russian Information Industrial Park, Jiangnan New Town, Dong'an District, Mudanjiang City, Heilongjiang Province Patentee before: MUDANJIANG TIANQING TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240124 Address after: 101102 1b, No. 13, Jingsheng South 4th Street, Jinqiao Science and technology industrial base, Zhongguancun Science and Technology Park, Tongzhou District, Beijing Patentee after: BEIJING TIANQING LIDU TECHNOLOGY CO.,LTD. Country or region after: China Patentee after: Jianghan logging branch of Sinopec Jingwei Co.,Ltd. Address before: 157000 1st floor, No.5 workshop, area 1, accelerator, Sino Russian Information Industrial Park, Jiangnan New Town, Dong'an District, Mudanjiang City, Heilongjiang Province Patentee before: Mudanjiang Aotai Refining Technology Co.,Ltd. Country or region before: China |
|
| TR01 | Transfer of patent right |