CN213209125U

CN213209125U - Hang instrument capability test device

Info

Publication number: CN213209125U
Application number: CN202022246150.4U
Authority: CN
Inventors: 赵小龙; 赵益忠; 陈刚; 李鹏; 高雪峰; 魏庆彩; 韩宏; 张雨晨
Original assignee: China Petroleum and Chemical Corp; Sinopec Research Institute of Petroleum Engineering Shengli Co
Current assignee: China Petroleum and Chemical Corp; Sinopec Research Institute of Petroleum Engineering Shengli Co
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-05-14
Anticipated expiration: 2030-10-09

Abstract

The utility model relates to an oil field borehole operation instrument detects technical field, in particular to hang instrument capability test device. The device comprises a power device, a test tool and a detection system; the power device is respectively connected with the test tool and the detection system; the power device comprises an upper end cover, a sealing plug, a cylinder barrel, a sealing joint, a piston rod and a connecting joint; the upper end cover, the cylinder barrel and the sealing joint are sequentially connected through threads; the piston is fixed on the outer surface of the lower end of the piston rod through a sealing plug, and the connecting joint is connected with the piston rod through threads; the test tool comprises a pressure ring, an outer cylinder, a lower connector and a connecting ring; the connecting ring, the outer barrel and the lower connector are sequentially connected through threads; the detection system comprises a pull-press sensor and a display screen. Device simple structure can realize the comprehensive detection to multinomial performance tests such as hydraulic anchor start-up pressure differential, sealing performance, hydraulic anchor anchoring power.

Description

Hang instrument capability test device

Technical Field

The utility model relates to an oil field borehole operation instrument detects technical field, in particular to hang instrument capability test device.

Background

The main working part of the hydraulic anchor is a fluke, when the hydraulic anchor is pressed from an oil pipe, flukes uniformly distributed on the circumferential surface of the hydraulic anchor body extend outwards under the action of hydraulic pressure generated by internal and external pressure difference, anchor teeth on the outer surface of the fluke are embedded into the wall of a casing pipe, and an anchoring pipe column is anchored to prevent an underground tool from generating axial displacement so as to realize anchoring effect. After pressure relief, the slips retract under the action of spring force to release anchoring. Once the slips and the body are locked, the limited elastic force of the spring is not enough to unlock, so that the drill clamping accident is caused, certain potential safety hazard is brought to underground construction, and meanwhile, the operation cost can be increased. The performance of the hydraulic anchor is directly related to the effect of underground operation, for example, insufficient anchoring force causes creeping of a pipe column, which leads to operation failure, so that the existing scholars study the hydraulic anchor test problems and design related experimental test equipment, but the experimental equipment has the characteristics of complex tool and single function, and cannot meet the requirement of comprehensive performance test.

At present, to hydraulic anchor capability test device, chinese utility model patent CN208830994U discloses a hydraulic anchor power test device, include: testing a sleeve; the test cannula has a first end and a second end along its length; a hydraulic anchor can be placed in the test casing; a pressing member disposed at the first end; the pressing piece transmits pressure to the hydraulic anchor to enable the hydraulic anchor to be anchored on the inner wall of the test casing; a push assembly connected to the second end; the pushing assembly comprises a blocking piece for blocking one end of the hydraulic anchor close to the second end, a hydraulic cylinder sleeve with one end connected with the second end, and a piston positioned in the hydraulic cylinder sleeve; the hydraulic cylinder is sleeved with a pressure inlet hole for pressing the interior of the hydraulic cylinder; the pressure inlet hole is positioned on one side of the piston back to the hydraulic anchor. The device provides a safe and reliable's hydraulic anchor anchoring force testing arrangement, can test the maximum anchoring force of hydraulic anchor.

Chinese utility model patent CN205027485U discloses a hydraulic anchor detection device and hydraulic anchor check out test set, this hydraulic anchor detection device includes: a support bar; the first plugging joint is arranged at the first end of the supporting rod; the second shutoff connects, and second shutoff connects detachably to set up the second end at the bracing piece. The utility model discloses a hydraulic anchor detection device in has solved among the prior art the lower problem of mode efficiency that tests the hydraulic anchor.

The Chinese utility model patent CN206710072U discloses a hydraulic anchor test device, which comprises a hydraulic jack, a pressure sensor, a sensor tray, a test joint and a test sleeve which are arranged on a bracket in sequence from bottom to top; the top surface and the bottom surface of the sensor tray are respectively provided with a blind hole with a plane bottom surface, so that the bottom end of the pressure sensor is pressed on the top surface of the hydraulic jack, and the top end of the pressure sensor is inserted into the blind hole on the bottom surface of the sensor tray; the top end of the pressure sensor is processed into a convex spherical surface which is matched with the inner diameter of a blind hole on the bottom surface of the sensor tray, so that the sensor tray can be centered and adjusted; the test joint is a cylindrical structure with a blind hole on the top surface, the inner side of the blind hole is provided with a connecting internal thread, and the bottom end of the test joint is inserted and fixed in the blind hole on the top surface of the sensor tray; the test sleeve is arranged above the test joint through a connecting piece; this hydraulic anchor test device adopts perpendicular design placed in the middle, and the accuracy of hydraulic anchor anchoring force test data is effectively improved to the more reasonable simulation hydraulic anchor atress condition.

However, the hydraulic anchor needs to be tested for full performance before use. At present, hydraulic anchor capability test needs a plurality of equipment and device, needs many times dismouting operation and consumes a large amount of time, and needs a large amount of manual operation to lead to working strength higher, lacks the test device who satisfies hydraulic anchor comprehensive properties test demand at present. Therefore, a comprehensive performance test device for the hydraulic anchor needs to be developed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hang instrument capability test device, to the problem that among the prior art hydraulic anchor class ground test exists, provide a hang instrument ground portable test device to realize the ground test of convenient and fast's hydraulic anchor each item performance. Meanwhile, a reliable test basis can be provided for optimizing the structure and performance parameters of the hydraulic anchor.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a suspension tool performance testing device, which comprises a power device, a test tool and a detection system; the power device is respectively connected with the test tool and the detection system;

the power device comprises an upper end cover, a sealing plug, a cylinder barrel, a sealing joint, a piston rod and a connecting joint; the upper end cover, the cylinder barrel and the sealing joint are sequentially connected through threads; the piston is fixed on the outer surface of the lower end of the piston rod through a sealing plug, and the connecting joint is connected with the piston rod through threads;

the test tool comprises a pressure ring, an outer cylinder, a lower connector and a connecting ring; the connecting ring, the outer barrel and the lower connector are sequentially connected through threads;

the detection system comprises a pull-press sensor and a display screen.

Preferably, the upper end cover, the cylinder barrel and the sealing joint form a working chamber, and the piston is placed in the working chamber.

Preferably, the inner surface of the piston is matched with the outer surface of the piston rod, the outer surface of the piston is matched with the inner surface of the cylinder barrel, and the matching surfaces are provided with sealing rings for sealing the sealing cavities at two sides of the piston.

Preferably, one end of the piston rod penetrates through the center hole of the sealing joint, the outer surface of the piston rod is matched with the inner surface of the center hole of the sealing joint, and the matching surface is provided with a sealing ring for sealing the working cavity.

Preferably, radial pressing holes are formed in the upper end cover and the sealing joint.

Preferably, during operation, power device and experimental frock are connected through clamping ring and power device's sealing joint screw thread.

Preferably, the tension and compression sensor is mounted on the power unit connection joint.

Preferably, the pull-press sensor is externally connected with the display screen through a connecting wire.

Hang instrument capability test device can be used to but not limited to hydraulic anchor capability test.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses simple structure, the combining ability is good, adopts and presses cap installation locking mode, easily makes and the dismouting, can be connected with portable hydraulic pressure charging system, conveniently verifies hydraulic anchor normal atmospheric temperature and starts pressure differential and sealing performance test, also can carry out the temperature resistant experiment with hydraulic anchor capability test device in arranging high temperature oven in.

(2) The testing tool can be used for testing the anchoring force of tools such as a packer, a hydraulic tubing anchor and the like by replacing a matched testing tool. Avoided arousing the cost that experimental apparatus part design, manufacturing, assembly brought because of different instrument diameter sizes in the pit, consequently the utility model discloses both practiced thrift the experiment cost and reduced time consumption, shortened scientific research cycle greatly.

(3) The manual pressing pump can be used for rapidly completing the test operation during the test, can be used for spot inspection of on-site tools, is not limited by places, has good portability and improves the working efficiency.

(4) The utility model discloses the device can realize starting comprehensive detection that multinomial performance such as pressure differential, sealing performance, hydraulic anchor anchoring power is experimental to hydraulic anchor.

Drawings

The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention.

Fig. 1 is a schematic view of a device for testing the performance of a suspension tool according to an embodiment of the present invention;

fig. 2 is a schematic view of a device for testing the performance of a suspension tool according to an embodiment of the present invention.

In the figure: 1-upper end cover; 2-sealing the plug; 3-a cylinder barrel; 4-sealing the joint; 5-pressing a ring; 6-outer cylinder; 7-lower joint; 8-sealing ring; 9-a piston; 10-a piston rod; 11-a connecting ring; 12-a connection joint; 13-a tension and compression sensor; 14-a hydraulic anchor; 15-pressure test joint; 16-a display screen; 17-pressure inlet hole; 18-pressure inlet hole.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. 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 invention belongs.

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 in accordance with the invention. 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 the stated features, steps, operations, and/or combinations thereof, unless the context clearly indicates otherwise.

In order to make the technical solutions of the present invention more clearly understood by those skilled in the art, the technical solutions of the present invention will be described in detail below with reference to specific embodiments.

Example 1

As shown in fig. 1, the suspension tool performance testing device includes a power device, a test tool, and a detection system.

The power device comprises an upper end cover 1, a sealing plug 2, a cylinder barrel 3, a sealing joint 4, a piston 9, a piston rod 10 and a connecting joint 12. The upper end cover 1, the cylinder barrel 3 and the sealing joint 4 are sequentially connected through threads to form a working cavity; the piston 9 is fixed on the outer surface of the lower end of the piston rod 10 through the sealing plug 2 and is arranged in a working cavity formed by the upper end cover 1, the cylinder barrel 3 and the sealing joint 4; the inner surface of the piston 9 is matched with the outer surface of the piston rod 10, the outer surface of the piston 9 is matched with the inner surface of the cylinder barrel 3, and the matching surfaces are provided with sealing rings for sealing cavities at two sides of the piston; one end of the piston rod 10 penetrates through a center hole of the sealing joint 4, the outer surface of the piston rod 10 is matched with the inner surface of the center hole of the sealing joint 4, and a sealing ring is arranged on a matching surface and used for sealing the working cavity; radial pressing holes are formed in the upper end cover 1 and the sealing joint 4; the connecting joint 12 is connected with the piston rod 10 through threads.

The test tool is composed of a pressure ring 5, an outer barrel 6, a lower connector 7 and a connecting ring 11. The connecting ring 11, the outer cylinder 6 and the lower joint 7 are connected in sequence through threads.

The detection system comprises a pull-press sensor 13 and a display screen 16, wherein the pull-press sensor 13 is externally connected with the display screen 16 through a connecting wire.

Example 2

The suspension tool performance testing apparatus was constructed as described in example 1.

The device is used for testing the performance of the hydraulic anchor, wherein the power device and the test tool are in threaded connection through the compression ring 5 and the sealing joint 4 of the power device during working. The tension and compression sensor 13 is arranged on the connection joint of the installed power device, and the other joint is connected with a hydraulic anchor. The pull-press sensor 13 is externally connected with a display screen 16 through a connecting wire.

As shown in fig. 2, when the hydraulic anchor performance test is performed, the tension and compression sensor 13 is connected to the assembled power device connecting joint 12, the hydraulic anchor 14 is connected to the other joint of the tension and compression sensor 13, and the oil pipe nipple and the pressure test joint 15 are sequentially connected. And then the tool tube string is arranged in a test tool, and the test tool is connected and fixed with the power device through the compression ring 5.

The hydraulic anchor starting pressure difference and sealing performance test: and connecting a pressure test pipeline on a pressure test connector 15 at the bottom of the testing device, starting a pressure test pump to press, and testing the starting pressure, the sealing performance and the like of the hydraulic anchor.

Example 3

Testing the anchoring force of the hydraulic anchor: and connecting a pressure test pipeline to a pressure test connector 15 at the bottom of the testing device, starting a pressure test pump to pressurize to working pressure, and keeping the pressure of the center pipe unchanged. The pressure testing pipeline is connected to the pressure testing port 17, the pressure testing pump is started to pressurize, the thrust generated by the power device reaches the anchoring force of the hydraulic anchor, and whether the hydraulic anchor moves or not is observed. When a pressure test pipeline is connected to a pressure test port 18, a pressure test pump is started to pressurize, so that the tension generated by the power device reaches the anchoring force of the hydraulic anchor, and whether the hydraulic anchor moves or not is observed.

Although fig. 1 is used for all the above embodiments, it is obvious to those skilled in the art that a separate drawing is not shown as long as the parts or structural features missing in the embodiments are removed from the drawing. As will be clear to the skilled person. Of course, the embodiments with more components are only the preferred embodiments, and the embodiments with fewer components are the basic embodiments, but the basic utility model objects can also be achieved, so all these are within the protection scope of the present invention.

The utility model discloses well spare part that does not expand the discussion itself, each spare part connected mode in this application all belong to this technical field's well-known technique, no longer give unnecessary details. Such as welding, threaded connections, etc.

In the present application, the term "plurality" means two or more unless expressly defined otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "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 description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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 suspension tool performance testing device is characterized by comprising a power device, a test tool and a detection system; the power device is respectively connected with the test tool and the detection system;

the detection system comprises a pull-press sensor and a display screen.

2. The suspension tool performance testing apparatus of claim 1, wherein the upper end cap, the cylinder and the seal joint form a working chamber, and the piston is disposed in the working chamber.

3. The suspension tool performance testing device of claim 1, wherein the inner surface of the piston is engaged with the outer surface of the piston rod, the outer surface of the piston is engaged with the inner surface of the cylinder, and the engaging surfaces are provided with sealing rings for sealing the sealing cavities at both sides of the piston.

4. The suspension tool performance testing device of claim 1, wherein one end of the piston rod extends through the central hole of the sealing joint, the outer surface of the piston rod is engaged with the inner surface of the central hole of the sealing joint, and the engagement surface is provided with a sealing ring for sealing the working chamber.

5. The suspension tool performance testing apparatus of claim 1, wherein the upper end cap and the sealing joint are provided with radial pressing holes.

6. The suspension tool performance testing device of claim 1, wherein during operation, the power unit and the test fixture are connected through the compression ring and the sealing joint threads of the power unit.

7. The suspension tool performance testing apparatus of claim 1, wherein the tension and compression sensor is mounted on the power unit connection fitting.

8. The hanging tool performance testing device of claim 1, wherein the tension and compression sensor is externally connected with the display screen through a connecting wire.