CN214145438U - Oil gas field well head logging cable hanger - Google Patents
Oil gas field well head logging cable hanger Download PDFInfo
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- CN214145438U CN214145438U CN202023058746.8U CN202023058746U CN214145438U CN 214145438 U CN214145438 U CN 214145438U CN 202023058746 U CN202023058746 U CN 202023058746U CN 214145438 U CN214145438 U CN 214145438U
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Abstract
The utility model discloses a well head logging cable hanger of an oil and gas field, which comprises a bottom flange of the cable hanger and an upper sealing flange of the cable hanger, wherein a cable sealing cylinder is arranged at the top of the upper sealing flange of the cable hanger; the center of the bottom flange of the cable hanger is provided with a through slip groove, a conical suspension slip is arranged in the slip groove, the top of the conical suspension slip is fixed by a suspension slip pressing cap, the suspension slip pressing cap is in threaded connection with the slip groove, and a plurality of bottom flange bolt holes are further formed in the bottom flange of the cable hanger. Compared with the prior art, the utility model the advantage lie in: simple structure, convenient to use can hang logging hawser such as logging cable, optical cable, and its hanging cable degree of depth can reach more than 4000m, hangs load weight and reaches more than 2 tons, can seal well head pressure simultaneously and reach more than 35MPa, can hang cable, optical cable long-term logging in the pit, has saved and has taken a series of problems that winch resource and human cost brought for a long time, has fine practical value.
Description
Technical Field
The utility model relates to an oil and gas field has cable logging technical field, specifically indicates the device that oil and gas field well head cable logging hung, well head cable hanger promptly.
Background
In the cable logging operation of an oil and gas field, the traditional cable logging is that a ground logging winch lowers a logging instrument to the target depth of the oil and gas well for traction logging, the logging instrument can be lifted and lowered at any time in short-term logging operation, and the target depth of logging is adjusted; according to the method, when the logging operation is carried out for a long time at a fixed depth, the logging winch needs to be pulled for a long time, and logging operators need to be attended in the whole process, so that the problem of wasting logging winch resources is solved, and meanwhile, the problem of expenditure on attendance of the operators is solved. Therefore oil gas field well head logging cable hanger is urgent to wait for the research, and after the cable is gone into in the well to the well with the logging winch in intention, utilize the hanger to hang the cable to the well head, ground logging winch and operating personnel can withdraw, saving equipment resource and human cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem mentioned in the background art, providing oil gas field well head logging cable hanger.
In order to solve the technical problem, the utility model provides a technical scheme does: the oil and gas field wellhead logging cable hanger comprises a cable hanger bottom flange and a cable hanger upper sealing flange, wherein a cable sealing cylinder is arranged at the top of the cable hanger upper sealing flange;
the center of the bottom flange of the cable hanger is provided with a communicated slip groove, a conical hanging slip is arranged in the slip groove, the top of the conical hanging slip is fixed by a hanging slip pressing cap, the hanging slip pressing cap is in threaded connection with the slip groove, the bottom flange of the cable hanger is also provided with a plurality of bottom flange bolt holes, the bottom flange bolt holes are distributed in a central symmetrical regular octagonal shape by taking the slip groove as the center,
a sealing cylinder groove is formed in the center of a sealing flange at the upper part of the cable hanger, a plurality of upper flange bolt holes are further formed in the sealing flange at the upper part of the cable hanger, and the upper flange bolt holes are distributed in a centrosymmetric regular octagonal manner by taking the sealing cylinder groove as the center;
the cable hanger bottom flange is connected with the cable hanger upper sealing flange through a bolt;
the cable sealing cylinder is fixedly connected with the sealing cylinder groove in a threaded manner, a sealing ring is arranged between the cable sealing cylinder and the sealing cylinder groove, a cylinder cavity is arranged in the cable sealing cylinder, polyurethane sealing packing is arranged at the top and the bottom in the cylinder cavity, a grease injection sealing grease storage ring is arranged between the two polyurethane sealing packing, a grease injection interface is arranged on the side surface of the cable sealing cylinder, a sealing packing pressing cap is arranged above the inner wall of the cable sealing cylinder, the sealing packing pressing cap comprises a lead screw capable of penetrating through a cable and a top hexagonal nut, and the sealing packing pressing cap is in threaded connection with the cable sealing cylinder;
and threading holes are vertically arranged in the sealing packing pressing cap, the grease injection sealing grease storage ring, the polyurethane sealing packing, the hanging slip pressing cap and the conical hanging slip.
As a preferred scheme, the sealing ring is annular and is made of nitrile rubber.
Compared with the prior art, the utility model the advantage lie in: the structure is simple, the use is convenient, and logging cables such as logging cables, optical cables and the like can be hung; the depth of a suspension cable can reach more than 4000m, the weight of the suspension load reaches more than 2 tons, the pressure of a sealable well mouth can reach more than 35MPa, the suspension cable and the optical cable can be used for logging in a well for a long time, a series of problems caused by long-time occupation of winch resources and labor cost are eliminated, and the suspension cable has good practical value.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a schematic structural diagram of the bottom flange of the cable hanger of the present invention.
Fig. 4 is a schematic structural view of the upper sealing flange of the cable hanger of the present invention.
Fig. 5 is a schematic structural diagram of the cable sealing cylinder of the present invention.
Fig. 6 is a schematic structural view of the sealing packing gland of the present invention.
As shown in the figure: 1. the cable hanger bottom flange, 2, cable hanger upper portion sealing flange, 3, the sealed section of thick bamboo of cable, 4, sealed packing pressure cap, 5, slip groove, 6, the toper slips that hangs, 7, the hanging slips pressure cap, 8, bottom flange bolt hole, 9, sealed cylinder groove, 10, upper portion flange bolt hole, 11, sealing washer, 12, the sealed packing of polyurethane, 13, annotate sealed storage alicyclic ring of fat, 301, the barrel cavity, 302, annotate the fat interface, 401, the lead screw, 402, top hexagonal nut.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "back" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the resulting manner or original must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or point connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
With the attached drawings, the oil and gas field wellhead logging cable hanger comprises a cable hanger bottom flange 1 and a cable hanger upper sealing flange 2, wherein a cable sealing cylinder 3 is arranged at the top of the cable hanger upper sealing flange 2;
the center of the cable hanger bottom flange 1 is provided with a through slip groove 5, a conical hanging slip 6 is arranged in the slip groove 5, the top of the conical hanging slip 6 is fixed by a hanging slip pressing cap 7, the hanging slip pressing cap 7 is in threaded connection with the slip groove 5, the cable hanger bottom flange 1 is also provided with a plurality of bottom flange bolt holes 8, the bottom flange bolt holes 8 are distributed in a centrosymmetric regular octagonal manner by taking the slip groove 5 as the center,
a sealing cylinder groove 9 is formed in the center of the sealing flange 2 at the upper part of the cable hanger, a plurality of upper flange bolt holes 10 are further formed in the sealing flange 2 at the upper part of the cable hanger, and the upper flange bolt holes 10 are distributed in a centrosymmetric regular octagonal manner by taking the sealing cylinder groove 9 as the center;
the cable hanger bottom flange 1 is connected with the cable hanger upper sealing flange 2 through bolts and connected to the wellhead of the oil and gas field;
the cable sealing cylinder 3 is fixedly connected with the sealing cylinder groove 9 in a threaded manner, an annular rubber sealing ring 11 is arranged between the cable sealing cylinder 3 and the sealing cylinder groove 9, a cylinder cavity 301 is arranged inside the cable sealing cylinder 3, polyurethane sealing packings 12 are arranged at the top and the bottom in the cylinder cavity 301, a grease injection sealing grease storage ring 13 is arranged between the two polyurethane sealing packings 12, a grease injection interface 302 is arranged on the side surface of the cable sealing cylinder 3, a sealing packing pressing cap 4 is arranged above the inner wall of the cable sealing cylinder 3, the sealing packing pressing cap 4 comprises a lead screw 401 and a top hexagonal nut 402, and the sealing packing pressing cap 4 is in threaded connection with the cable sealing cylinder 3;
and threading holes are vertically arranged in the sealing packing pressing cap 4, the grease injection sealing grease storage ring 13, the polyurethane sealing packing 12, the hanging slip pressing cap 7 and the conical hanging slip 6.
The number of the bottom flange bolt holes 8 and the number of the upper flange bolt holes 10 are 8.
The utility model discloses when concrete implementation, after the logging cable goes into the well, well head hanger installation operation includes following several steps:
1) removing a pressure gauge and a overlock on a wellhead flange of the oil-gas well;
2) removing a wellhead flange of the oil and gas well;
3) installing a reducing flange and a wellhead blowout preventer;
4) mounting a cable hanger bottom flange;
5) installing a blowout prevention pipe and a control head of a wellhead of the logging cable;
6) lowering the logging cable and the logging instrument to a specified depth by using a logging winch;
7) closing the wellhead blowout preventer;
8) disassembling the blowout prevention pipe and the control head at the wellhead of the logging cable, and installing a conical cable suspension slip;
9) opening a wellhead blowout preventer, lowering a cable, and hanging a conical cable hanging slip on a cable hanger bottom flange along with a cable seat; the purpose of hanging the cable for a long time is achieved;
10) removing the blowout prevention pipe and the control head of the wellhead of the logging cable, and pumping out the residual cable on the logging winch;
11) penetrating a cable through a hanger slip anti-ejection cap to the top of a cable hanger bottom flange, tightening, and pressing a conical cable hanging slip;
12) sequentially enabling the cable to penetrate through a sealing ring, a cable suspension upper sealing flange, a cable sealing cylinder, a polyurethane sealing packing, a grease injection sealing grease storage ring and a sealing packing pressing cap;
13) and tightening the screw thread of the cable sealing barrel and the screw thread of the sealing disc root pressing cap to seal the cable and the shaft.
14) And connecting the ground logging cabinet and logging for a long time.
Logging cables such as logging cables, optical cables and the like can be hung; the depth of the suspension cable can reach more than 4000m, the weight of the suspension load reaches more than 2 tons, the pressure of a sealable well mouth can reach more than 35MPa, the suspension cable and the optical cable can be used for logging in a well for a long time, and a series of problems caused by long-time occupation of winch resources and labor cost are solved.
The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.
Claims (2)
1. Oil gas field well head logging cable hanger, including cable hanger bottom flange and cable hanger upper portion sealing flange, its characterized in that: a cable sealing cylinder is arranged at the top of the sealing flange at the upper part of the cable hanger;
the center of the bottom flange of the cable hanger is provided with a communicated slip groove, a conical hanging slip is arranged in the slip groove, the top of the conical hanging slip is fixed by a hanging slip pressing cap, the hanging slip pressing cap is in threaded connection with the slip groove, the bottom flange of the cable hanger is also provided with a plurality of bottom flange bolt holes, the bottom flange bolt holes are distributed in a central symmetrical regular octagonal shape by taking the slip groove as the center,
a sealing cylinder groove is formed in the center of a sealing flange at the upper part of the cable hanger, a plurality of upper flange bolt holes are further formed in the sealing flange at the upper part of the cable hanger, and the upper flange bolt holes are distributed in a centrosymmetric regular octagonal manner by taking the sealing cylinder groove as the center;
the cable hanger bottom flange is connected with the cable hanger upper sealing flange through a bolt;
the cable sealing cylinder is fixedly connected with the sealing cylinder groove in a threaded manner, a sealing ring is arranged between the cable sealing cylinder and the sealing cylinder groove, a cylinder cavity is arranged in the cable sealing cylinder, polyurethane sealing packing is arranged at the top and the bottom in the cylinder cavity, a grease injection sealing grease storage ring is arranged between the two polyurethane sealing packing, a grease injection interface is arranged on the side surface of the cable sealing cylinder, a sealing packing pressing cap is arranged above the inner wall of the cable sealing cylinder, the sealing packing pressing cap comprises a lead screw capable of penetrating through a cable and a top hexagonal nut, and the sealing packing pressing cap is in threaded connection with the cable sealing cylinder;
and threading holes are vertically arranged in the sealing packing pressing cap, the grease injection sealing grease storage ring, the polyurethane sealing packing, the hanging slip pressing cap and the conical hanging slip.
2. The oil and gas field wellhead logging cable hanger of claim 1, wherein: the sealing ring is annular and is made of nitrile rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023058746.8U CN214145438U (en) | 2020-12-18 | 2020-12-18 | Oil gas field well head logging cable hanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023058746.8U CN214145438U (en) | 2020-12-18 | 2020-12-18 | Oil gas field well head logging cable hanger |
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| Publication Number | Publication Date |
|---|---|
| CN214145438U true CN214145438U (en) | 2021-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023058746.8U Active CN214145438U (en) | 2020-12-18 | 2020-12-18 | Oil gas field well head logging cable hanger |
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| CN (1) | CN214145438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961626A (en) * | 2022-04-27 | 2022-08-30 | 中国石油天然气集团有限公司 | Electric pump oil production wellhead well completion process using steel continuous pipe built-in cable |
-
2020
- 2020-12-18 CN CN202023058746.8U patent/CN214145438U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114961626A (en) * | 2022-04-27 | 2022-08-30 | 中国石油天然气集团有限公司 | Electric pump oil production wellhead well completion process using steel continuous pipe built-in cable |
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