CN213516118U

CN213516118U - Rotary tension nipple

Info

Publication number: CN213516118U
Application number: CN202022695300.XU
Authority: CN
Inventors: 付升; 杜俊伯; 王晓伟
Original assignee: Chengdu Maisiwei Energy Technology Co ltd
Current assignee: Sichuan Maxwei Petroleum Drilling And Production Tools Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-06-22
Anticipated expiration: 2030-11-19

Abstract

The utility model discloses a rotary tension nipple joint, which comprises an upper joint, a middle joint, a lower joint and an electronic joint, wherein the upper joint is connected with the middle joint, a plug assembly is arranged in the upper joint, and the plug assembly is connected with a contact pin assembly; a tension sensor assembly and a single-core slip ring are arranged in the middle joint, one end of the tension sensor assembly is connected with the contact pin assembly through the single-core slip ring, and the other end of the tension sensor assembly is connected with the lower joint; the lower joint is connected with the electronic joint, an electromagnetic induction assembly is arranged in the electronic joint, a sealing seat is arranged between the electronic joint and the lower joint, a first double-head sealing contact pin is arranged on the sealing seat, one end of the first double-head sealing contact pin is connected with the tension sensor assembly, and the other end of the first double-head sealing contact pin is connected with the electromagnetic induction assembly. The utility model discloses can effectively detect the tension of pit shaft, realize the real-time passback of data in the pit, improve logging success rate and logging efficiency greatly, reduce the logging cost.

Description

Rotary tension nipple

Technical Field

The utility model belongs to the technical field of the well logging, concretely relates to rotatory tension nipple joint.

Background

The coiled tubing operation technology is a comprehensive technology relating to the integrated operation of oil-gas field development perforation, fracturing reformation, well workover, well completion and well logging. At present, a cable belt logging instrument carries out logging, and due to the fact that the well depth, the horizontal section is long, and the well track is complex, a conventional cable is often difficult to be lowered to the required operation well depth, and logging operation can be achieved only by penetrating the cable through a coiled tubing. Through penetrating the logging cable in the coiled tubing, be connected with real-time supervision logging instrument in the pit, data such as can effectively real-time supervision underground stratum, pit shaft, atress know the real condition in the pit effectively, avoid mistake and invalid operation, can deal with various unusual change condition better, effectively reduce construction safety risk, improve construction operating efficiency. At present, a logging and underground data monitoring instrument adopts a cable connection mode, so that the cable is easy to break, the logging success rate is reduced, and the logging cost is also improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems existing in the prior art, the utility model aims to provide a rotary tension nipple.

The utility model discloses the technical scheme who adopts does: a rotary tension nipple comprises an upper joint, a middle joint, a lower joint and an electronic joint, wherein the upper joint is connected with the middle joint, a plug assembly is arranged in the upper joint, and the plug assembly is connected with a contact pin assembly; a tension sensor assembly and a single-core slip ring are arranged in the middle joint, one end of the tension sensor assembly is connected with the contact pin assembly through the single-core slip ring, and the other end of the tension sensor assembly is connected with the lower joint; the lower joint is connected with the electronic joint, be equipped with the electromagnetic induction subassembly in the electronic joint, be equipped with the seal receptacle between electronic joint and the lower joint, be equipped with the sealed contact pin of first double-end on the seal receptacle, the one end and the tension sensor subassembly of the sealed contact pin of first double-end are connected, the other end of the sealed contact pin of first double-end with the electromagnetic induction subassembly is connected.

Optionally, the intermediate joint includes an upper sleeve head and a lower sleeve head, and a balance bin assembly is connected between the upper sleeve head and the lower sleeve head.

As an optional mode, the upper sleeve head and the upper joint are mutually sleeved, a jackscrew is connected between the upper sleeve head and the upper joint, and a first sealing ring is arranged between the upper sleeve head and the upper joint.

As an optional mode, the contact pin assembly comprises a connecting sleeve, a second double-head sealing contact pin and a third double-head sealing contact pin, two ends of the connecting sleeve are respectively connected with one ends of the second double-head sealing contact pin and the third double-head sealing contact pin, the other end of the second double-head sealing contact pin is connected with the plug assembly, and the other end of the third double-head sealing contact pin is connected with the single-core slip ring.

Optionally, the surface of the connecting sleeve is provided with a first insulating sleeve.

As an optional mode, the plug assembly comprises a plug hole, a second insulating sleeve and a sealing ring are arranged in the plug hole, the second insulating sleeve is sleeved outside the sealing ring, and the second double-head sealing contact pin extends into the sealing ring.

As an optional mode, the sealing seat is embedded inside the lower joint, and a second sealing ring is arranged between the sealing seat and the lower joint.

Optionally, the upper joint is provided with a groove, and the groove is provided with an upper protective cap.

Optionally, the end of the electronic joint is provided with a threaded sleeve, and the threaded sleeve is connected with a lower protective cap.

The utility model has the advantages that:

the utility model provides a rotatory tension nipple joint, including the top connection, the intermediate head, lower clutch and electron festival, be equipped with tension sensor subassembly and single core sliding ring in the intermediate head, the friction resistance of survey and lower survey in-process on the longitudinal force that whole cluster of instrument upwards (tensile) or downwards (compression) born and whole cluster of instrument can be confirmed to the tension sensor subassembly, the smooth going on of logging work has been guaranteed, single core sliding ring can realize the rotatory power supply of top connection and tension sensor subassembly, satisfy the power supply function of going on when horse dragon head or upper portion instrument and crawl device or lower part instrument rotation each other. The utility model discloses can effectively detect the tension of pit shaft, realize the real-time passback of data in the pit, improve logging success rate and logging efficiency greatly, reduce the logging cost.

Drawings

Fig. 1 is a schematic structural view of a rotary tension nipple provided by the present invention;

fig. 2 is a schematic structural view of an insertion pin assembly in a rotary tension nipple provided by the present invention;

fig. 3 is a schematic structural diagram of an intermediate joint in a rotary tension nipple provided by the present invention;

fig. 4 is a schematic structural diagram of a sealing seat in a rotary tension nipple provided by the present invention;

fig. 5 is a schematic structural diagram of an electronic joint in a rotary tension nipple provided by the present invention;

in the figure: 1-upper joint; 2-lower joint; 3-electronic section; 4-a tension sensor assembly; 5-single core slip ring; 6-an electromagnetic induction component; 7-a sealing seat; 8-first double-ended sealing pin; 9-sleeving a sleeve head; 10-lower sleeve head; 11-a surge bin assembly; 12-top thread; 13-a first sealing ring; 14-connecting sleeves; 15-second double-ended sealing pin; 16-a third double-ended sealing pin; 17-a first insulating sleeve; 18-a plug hole; 19-a second insulating sleeve; 20-a sealing ring; 21-a second seal ring; 22-upper protective cap; 23-a threaded sleeve; 24-lower protective cap.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be noted that the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship that the utility model is usually placed when using, or the position or the positional relationship that the skilled person conventionally understands, or the position or the positional relationship that the utility model is usually placed when using, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The drawings in the embodiments clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, not all embodiments.

As shown in fig. 1-5, this embodiment provides a rotary tension nipple joint, including top connection 1, intermediate head, lower clutch 2 and electron festival 3, top connection 1 is connected with the intermediate head, is equipped with plug assembly in the top connection 1, plug assembly is connected with the contact pin subassembly, and plug assembly and contact pin subassembly all set up inside top connection 1, and plug assembly and contact pin subassembly extend to the both ends of top connection 1 respectively. Be equipped with tension sensor subassembly 4 and single core sliding ring 5 in the intermediate head, the one end of tension sensor subassembly 4 is passed through single core sliding ring 5 is connected with the contact pin subassembly, and tension sensor subassembly 4's the other end extends the intermediate head outside and is connected with lower clutch 2, and tension sensor subassembly 4's one end stretches into 2 insides of lower clutch and adopts jackscrew 12 fixed.

Lower clutch

2 and 3 threaded connection of electron festival, be equipped with electromagnetic induction subassembly 6 in the electron festival 3, be equipped with seal receptacle 7 between electron festival 3 and the lower clutch 2, seal receptacle 7 is fixed inside lower clutch 2, and seal receptacle 7 can realize the sealed function between lower clutch 2 and the electron festival 3. And a first double-head sealing contact pin 8 is arranged on the sealing seat 7, one end of the first double-head sealing contact pin 8 is connected with the tension sensor assembly 4, and the other end of the first double-head sealing contact pin 8 is connected with the electromagnetic induction assembly 6.

The utility model discloses a rotatory tension nipple joint uses with crawler electron festival 3 is supporting usually, it is installed and is formed whole cluster of instrument between horse tap bottom and crawler, top connection 1 is used for being connected with horse tap or upper portion instrument, electron festival 3 mainly is connected with crawler or lower part instrument, tension sensor subassembly 4 can confirm whole cluster of instrument upwards (tensile) or down (compression) borne vertical force and whole cluster of instrument go up survey with survey the frictional resistance in-process down, the smooth going on of logging work has been guaranteed, single core sliding ring 5 can realize top connection 1 and tension sensor subassembly 4's rotatory power supply, satisfy horse tap or upper portion instrument and crawler or lower part instrument when rotatory each other and carry out the power supply function. The utility model discloses can effectively detect the tension of pit shaft, realize the real-time passback of data in the pit, improve logging success rate and logging efficiency greatly, reduce the logging cost.

In some embodiments, as shown in fig. 3, the middle joint comprises an upper sleeve head 9 and a lower sleeve head 10, a balance chamber assembly 11 is connected between the upper sleeve head 9 and the lower sleeve head 10, and the balance chamber assembly 11 can equalize the internal pressure and the external pressure of the whole string of instruments, thereby protecting the internal instruments.

In some embodiments, the upper sleeve head 9 and the upper joint 1 are sleeved with each other, a jackscrew 12 is connected between the upper sleeve head 9 and the upper joint 1 to ensure the connection stability between the upper sleeve head 9 and the upper joint 1, and a first sealing ring 13 is arranged between the upper sleeve head 9 and the upper joint 1.

In some embodiments, as shown in fig. 2, the pin assembly includes a connecting sleeve 14, a second double-ended sealing pin 15 and a third double-ended sealing pin 16, two ends of the connecting sleeve 14 are respectively connected with one ends of the second double-ended sealing pin 15 and the third double-ended sealing pin 16, the other end of the second double-ended sealing pin 15 is connected with the plug assembly, and the other end of the third double-ended sealing pin 16 is connected with the single-core slip ring 5. A connecting sleeve 14 is fixed inside the upper joint 1, and a second double-ended sealing pin 15 and a third double-ended sealing pin 16 are connected by the connecting sleeve 14. Preferably, the surface of the connecting sleeve 14 is provided with a first insulating sleeve 17.

In some embodiments, the plug assembly includes a plug hole 18, a second insulating sleeve 19 and a sealing ring 20 are disposed in the plug hole 18, the second insulating sleeve 19 is sleeved on the outer side of the sealing ring 20, and the second double-ended sealing pin 15 extends to the inside of the sealing ring 20. The plug of the cockhead or the upper instrument is inserted into the plug hole 18, and the plug is contacted with the second double-head sealing contact pin 15, so that the electrification between the cockhead or the upper instrument and the rotary tension short joint can be realized.

In some embodiments, as shown in fig. 4, the sealing seat 7 is embedded inside the lower joint 2 and fixed by a locking bolt, and a second sealing ring 21 is disposed between the sealing seat 7 and the lower joint 2.

In some embodiments, the upper joint 1 is provided with a groove, the groove is provided with an upper protective cap 22, the upper protective cap 22 is provided with an external thread, the inner wall of the groove is provided with an internal thread, and the upper protective cap 22 is in threaded connection with the upper joint 1 to provide a protection function for the upper joint 1. As shown in fig. 5, a threaded sleeve 23 is arranged at an end of the electronic joint 3, the threaded sleeve 23 is connected with a lower protective cap 24, a sealing ring is arranged between the lower protective cap 24 and the electronic joint 3, and the lower protective cap 24 is in threaded connection with the threaded sleeve 23 of the electronic joint 3 to provide a protection function for the electronic joint 3.

The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims

1. A rotary tension short section is characterized by comprising an upper joint (1), a middle joint, a lower joint (2) and an electronic joint (3), wherein the upper joint (1) is connected with the middle joint, a plug assembly is arranged in the upper joint (1), and the plug assembly is connected with a contact pin assembly; a tension sensor assembly (4) and a single-core sliding ring (5) are arranged in the middle joint, one end of the tension sensor assembly (4) is connected with the contact pin assembly through the single-core sliding ring (5), and the other end of the tension sensor assembly (4) is connected with the lower joint (2); lower clutch (2) and electron festival (3) are connected, be equipped with electromagnetic induction subassembly (6) in electron festival (3), be equipped with seal receptacle (7) between electron festival (3) and lower clutch (2), be equipped with first double-ended sealing contact pin (8) on seal receptacle (7), the one end and the tension sensor subassembly (4) of first double-ended sealing contact pin (8) are connected, the other end of first double-ended sealing contact pin (8) with electromagnetic induction subassembly (6) are connected.

2. The rotary tension sub according to claim 1, characterized in that the intermediate joint comprises an upper socket (9) and a lower socket (10), a surge bin assembly (11) being connected between the upper socket (9) and the lower socket (10).

3. The rotary tension nipple according to claim 2, characterized in that the upper socket (9) and the upper joint (1) are mutually sleeved, a jackscrew (12) is connected between the upper socket (9) and the upper joint (1), and a first sealing ring (13) is arranged between the upper socket (9) and the upper joint (1).

4. The rotary tension sub according to claim 1, characterized in that the pin assembly comprises a connecting sleeve (14), a second double-ended sealing pin (15) and a third double-ended sealing pin (16), two ends of the connecting sleeve (14) are respectively connected with one ends of the second double-ended sealing pin (15) and the third double-ended sealing pin (16), the other end of the second double-ended sealing pin (15) is connected with the plug assembly, and the other end of the third double-ended sealing pin (16) is connected with the single core slip ring (5).

5. The rotary tension sub according to claim 4, characterized in that the surface of the connection sleeve (14) is provided with a first insulating sleeve (17).

6. The rotary tension sub according to claim 4, characterized in that the plug assembly comprises a plug hole (18), a second insulating sleeve (19) and a sealing ring (20) are arranged in the plug hole (18), the second insulating sleeve (19) is sleeved on the outer side of the sealing ring (20), and the second double-ended sealing pin (15) extends to the inside of the sealing ring (20).

7. The rotary tension sub according to claim 1, characterized in that the sealing seat (7) is embedded inside the lower joint (2), and a second sealing ring (21) is arranged between the sealing seat (7) and the lower joint (2).

8. The rotary tension sub according to claim 1, characterized in that the upper joint (1) is provided with a groove provided with an upper cap (22).

9. The rotary tension sub according to claim 1, characterized in that the end of the electronic joint (3) is provided with a threaded sleeve (23), said threaded sleeve (23) being connected with a lower protective cap (24).