CN113969780A

CN113969780A - Oil pipe coupling detection device

Info

Publication number: CN113969780A
Application number: CN202010725121.8A
Authority: CN
Inventors: 王坤; 李春旺; 匙志强; 刘春友; 付文强; 王旭东; 姬长志
Original assignee: Langfang Jinglong Heavy Machinery Co ltd
Current assignee: Langfang Jinglong Heavy Machinery Co ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2022-01-25

Abstract

The invention provides a tubing coupling detection device, which comprises: a central tube; electromagnetic detection subassembly, electromagnetic detection subassembly include power, control module, spiral coil and gauss measuring equipment, and the spiral coil is installed in the circumference outside of center tube, and the power passes through interconnecting link and links to each other with spiral coil, and control module sets up on the interconnecting link, and gauss measuring equipment's gauss probe sets up between spiral coil and center tube. The technical scheme of the invention effectively solves the problem that the tubing coupling in the prior art cannot be effectively, accurately and intelligently identified.

Description

Oil pipe coupling detection device

Technical Field

The invention relates to the technical field of well repair and drilling equipment, in particular to a tubing coupling detection device.

Background

At present, when most of drilling and repairing equipment works in China, professionals with operation experience need to manually operate or assist the equipment on site, the steps are complex, the labor intensity of workers is high, the environmental conditions are severe, the safety is poor, the production efficiency is low and other factors, the automation and intelligent processes of the drilling and repairing equipment are accelerated in the industry, and the identification and detection of tubing couplings are key points of the automation operation of the drilling and repairing equipment. In the prior art, no equipment and device capable of effectively, accurately and intelligently identifying the tubing coupling exist.

Disclosure of Invention

The invention mainly aims to provide a tubing coupling detection device, which solves the problem that the tubing coupling in the prior art cannot be effectively, accurately and intelligently identified.

In order to achieve the above object, the present invention provides a tubing coupling detecting device comprising: a central tube; electromagnetic detection subassembly, electromagnetic detection subassembly include power, control module, spiral coil and gauss measuring equipment, and the spiral coil is installed in the circumference outside of center tube, and the power passes through interconnecting link and links to each other with spiral coil, and control module sets up on the interconnecting link, and gauss measuring equipment's gauss probe sets up between spiral coil and center tube.

Furthermore, the tubing coupling detection device also comprises a shield, wherein the shield is connected with the central pipe and is covered on the circumferential outer side of the spiral coil.

Further, a sealing structure is arranged between the protective cover and the central tube, so that the spiral coil is positioned in a sealing cavity defined by the protective cover and the central tube.

Further, the shield and the center tube are connected by a fastener.

Further, the outer wall of the central tube is provided with an annular groove, and the spiral coil is embedded in the annular groove.

Further, the shield is made of steel to form a shielding effect on the sealed cavity.

Further, the center tube is made of non-magnetic steel.

Further, the gauss probe comprises a plurality of gauss probes, and the plurality of gauss probes are arranged between the central tube and the spiral coil at intervals.

Further, the tubing coupling detection device also comprises a blowout preventer, and the blowout preventer is arranged at two ends of the central tube and is matched with the tubing to form sealing.

Further, the blowout preventer is connected with the base pipe by fasteners.

By applying the technical scheme of the invention, an oil pipe to be detected is sleeved in the central pipe to pass through, when the position of the oil pipe coupling passes through the central pipe, the magnetic field intensity of the oil pipe coupling detection device can change due to the change of the diameter of the oil pipe, and the control module receives the change of the magnetic field intensity collected by the Gaussian measurement equipment to calculate the position information of the oil pipe coupling. The technical scheme of the invention effectively solves the problem that the tubing coupling in the prior art cannot be effectively, accurately and intelligently identified.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 shows a schematic diagram of an embodiment of a tubing coupling testing apparatus according to the present invention;

FIG. 2 shows a schematic of the construction of the base pipe of the tubing collar testing apparatus of FIG. 1; and

figure 3 shows a schematic diagram of the mating arrangement of the tubing collar sensing device of figure 1 and tubing.

Wherein the figures include the following reference numerals:

10. a central tube; 20. an electromagnetic detection assembly; 21. a power source; 22. a control module; 23. a helical coil; 30. a Gaussian measuring device; 31. a Gaussian probe; 40. a shield; 100. and (4) an oil pipe.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, the thicknesses of layers and regions are exaggerated for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.

As shown in fig. 1 to 3, a tubing coupling detecting apparatus of the present embodiment includes: a base pipe 10 and an electromagnetic sensing assembly 20. The electromagnetic detection assembly 20 comprises a power supply 21, a control module 22, a spiral coil 23 and a Gaussian measuring device 30, wherein the spiral coil 23 is installed on the circumferential outer side of the central tube 10, the power supply 21 is connected with the spiral coil 23 through a connecting line, the control module 22 is arranged on the connecting line, and a Gaussian probe 31 of the Gaussian measuring device 30 is arranged between the spiral coil 23 and the central tube 10.

By applying the technical scheme of the embodiment, the oil pipe 100 to be detected is sleeved in the central pipe 10 to pass through, when the coupling position of the oil pipe 100 passes through the central pipe 10, the diameter of the oil pipe 100 changes, the magnetic field of the oil pipe coupling detection device changes, and the control module 22 receives the change of the magnetic field intensity collected by the Gaussian measurement device to calculate the position information of the oil pipe coupling. The technical scheme of this embodiment has solved the problem that the tubing coupling among the prior art can't be effectively, accurate, intelligent discernment effectively.

As shown in fig. 1 to 3, in the solution of the present embodiment, the tubing coupling detection apparatus further includes a shield 40, and the shield 40 is connected to the central pipe 10 and is disposed outside the spiral coil 23 in the circumferential direction. The shield 40 is provided to protect the spiral coil 23 from external force and to shield external magnetic field interference.

As shown in fig. 1 to 3, in the solution of the present embodiment, a sealing structure is provided between the shield 40 and the central tube 10, so that the helical coil 23 is located in a sealed cavity enclosed by the shield 40 and the central tube 10. The arrangement of the sealing structure ensures that the tubing coupling detection device has an explosion-proof function.

As shown in fig. 1 to 3, in the present embodiment, the shield 40 and the center tube 10 are connected by a fastener. The structure has lower processing cost.

As shown in fig. 1 to 3, in the present embodiment, the outer wall of the center tube 10 has an annular groove, and the spiral coil 23 is embedded in the annular groove. The structure is compact, and the interference of an external magnetic field is avoided.

As shown in fig. 1 to 3, in the solution of the present embodiment, the shield 40 is made of steel to form a shielding effect for the sealed cavity. The shield 40 made of the above material has a function of shielding an external magnetic field, and is hard and can withstand a large external force.

As shown in fig. 1 to 3, in the present embodiment, the central tube 10 is made of non-magnetic steel. The material of the central tube 10 described above ensures that the magnetic field of the helical coil 23 easily penetrates the central tube 10.

As shown in fig. 1 to 3, in the present embodiment, the gaussian probe 31 includes a plurality of gaussian probes 31, and the plurality of gaussian probes 31 are disposed between the central tube 10 and the spiral coil 23 at intervals. The structure makes the measurement more accurate. For example, the gaussian probe 31 is arranged at multiple points to avoid the influence of the deviation of the tubing from the center of the central pipe 10 on the detection result of the detection device when the tubing passes through the tubing coupling detection device. The plurality of gaussian probes 31 may be connected to one gaussian measurement apparatus main body, or may be connected to a plurality of gaussian measurement apparatuses, and each of the gaussian probes 31 is correspondingly connected to one gaussian measurement apparatus main body. Specifically, in the technical solution of the present embodiment, there are three gaussian probes 31.

As shown in fig. 1 to 3, in the technical solution of the present embodiment, the tubing coupling detection apparatus further includes a blowout preventer, which is disposed at both ends of the base pipe 10 and cooperates with the tubing 100 to form a sealed cavity. The blowout preventer is arranged to be applied to detection of an oil pipe coupling in the pressure operation of the well drilling and repairing equipment.

As shown in fig. 1 to 3, in the solution of the present embodiment, the blowout preventer is connected to the base pipe 10 by fasteners. The structure is easy to assemble and disassemble.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A tubing coupling testing device, comprising:

a central tube (10);

the electromagnetic detection assembly (20) comprises a power supply (21), a control module (22), a spiral coil (23) and Gaussian measurement equipment (30), wherein the spiral coil (23) is installed on the circumferential outer side of the central tube (10), the power supply (21) is connected with the spiral coil (23) through a connecting line, and the control module (22) is arranged on the connecting line; a gaussian probe (31) of the gaussian measuring device (30) is arranged between the helical coil (23) and the central tube (10).

2. The tubing collar testing device of claim 1, further comprising a shield (40), wherein the shield (40) is coupled to the central tube (10) and covers the helical coil (23) circumferentially outward.

3. The tubing collar testing device of claim 2, wherein a sealing structure is provided between the shield (40) and the central tube (10) such that the helical coil (23) is located within a sealed cavity enclosed by the shield (40) and the central tube (10).

4. The tubing collar testing device of claim 3, wherein the shield (40) and the base pipe (10) are connected by fasteners.

5. The tubing collar testing device according to claim 2, wherein the outer wall of the central tube (10) has an annular groove, the helical coil (23) being embedded in the annular groove.

6. The tubing coupling testing apparatus of claim 3, wherein said shield (40) is steel to provide shielding of said sealed cavity.

7. The tubing collar testing device of claim 1, wherein the base pipe (10) is of non-magnetic steel.

8. The tubing collar testing device according to claim 1, wherein the gauss probe (31) comprises a plurality of gauss probes (31) disposed at intervals between the central tube (10) and the helical coil (23).

9. A tubing collar testing device according to any of claims 1 to 8, further comprising a blowout preventer arranged at both ends of the base pipe (10) and cooperating with the tubing (100) to form a sealed chamber.

10. The tubing collar testing device of claim 9, wherein the blowout preventer is connected to the base pipe (10) by fasteners.