Sucker rod casing pipe air tightness detection system

Abstract

The invention discloses a sucker rod casing pipe air tightness detection system, a detection mechanism further comprises a lifting assembly and a scraping assembly, the lifting assembly comprises a strip-shaped groove starting from the top of a base, a first partition plate is fixedly connected to the middle of the inner wall of the strip-shaped groove, and first sliding rods are fixedly connected to the two sides of the first partition plate; when in use, the device can be arranged outside the device in a sleeving manner to form sealing treatment of the upper part, a closed space is formed in the device in the presence of a first sealing ring and a second sealing ring, and the device can be used for sealing the upper part of the device, so that the device can be used for sealing the upper part of the device, and the device can be used for sealing the upper part of the device. When water seeps out of the casing pipe, the air tightness of the casing pipe is poor, otherwise, the casing pipe can be used, under the condition of double-layer detection of an irrigation method and a pressure method, the casing pipe can be detected more accurately, and the working efficiency in the casing pipe detection process is improved.

Description

Technical Field

[0001] The invention relates to the technical field of sucker rod casing air tightness detection, in particular to a sucker rod casing air tightness detection system. Background Art

[0002] my country's annual oil consumption reaches hundreds of millions of tons. However, the oil extraction process is complex and requires high safety factors. Casing and tubing are the most widely used pipe materials in oil extraction. Casing is threaded together end-to-end through internal and external threads and then deployed deep underground. The casing string not only protects the wellbore but also separates the oil, gas, and water layers. Each individual casing string must withstand high pressure and corrosion, and the entire string must also meet excellent airtightness requirements.

[0003] Before the sucker rod casing is used, it is necessary to conduct a comprehensive inspection of the casing, and air tightness testing is an indispensable step. During this process, the casing is usually inspected in a single way during daily inspection, which makes the inspection result inaccurate. At the same time, the inspection results for casings of different lengths are also very different, thereby reducing the work efficiency during the casing inspection process. Summary of the Invention

[0004] In order to solve the above problems, the purpose of the present invention is to provide a sucker rod casing air tightness detection system to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned object, the present invention proposes a sucker rod casing air tightness detection system, comprising a base, wherein a detection mechanism is provided on the top of the base;

[0006] The detection mechanism also includes a lifting assembly and a scraping assembly, the lifting assembly includes a strip groove starting from the top of the base, the middle of the inner wall of the strip groove is fixedly connected to the first partition, both sides of the first partition are fixedly connected to the first sliding rod, and the other end of the first sliding rod is fixedly connected to the inner wall of the strip groove, the outer walls of the two first sliding rods are slidably connected to the first sliding block, the tops of the two first sliding blocks are fixedly connected to the first fixed seat, one side of the two first fixing seats are rotatably connected to the first connecting rod, the other ends of the two first connecting rods are rotatably connected to the second fixed seat, one side of the two second fixing seats are fixedly connected to the top plate, the top of the first partition is embedded with a first electric telescopic rod, and the top of the first electric telescopic rod is fixedly connected to the bottom of the top plate.

[0007] In one example, a limiting rod is fixedly connected to the center of the top of the top plate, and a first sealing ring is fixedly connected to the bottom of the outer wall of the limiting rod.

[0008] In one example, support rods are fixedly connected to both sides of the top of the base, a support plate is fixedly connected between the two support rods, a first strip hole is opened on the top of the support plate, the inner wall of the first strip hole is rotatably connected to a bidirectional screw rod, the inner wall of the first strip hole is fixedly connected to a second partition, and the second partition is rotatably connected to the bidirectional screw rod, one side of the support plate is fixedly connected to a first motor, and one end of the bidirectional screw rod passes through the inner wall of the first strip hole and is fixedly connected to the output end of the first motor.

[0009] In one example, first movable blocks are threadedly connected to both sides of the outer wall of the bidirectional screw, second connecting rods are fixedly connected to the bottoms of the two first movable blocks, and arc plates are fixedly connected to the bottoms of the two second connecting rods.

[0010] In one example, a second electric telescopic rod is fixedly connected to the center of the bottom of the second partition, and a second sealing ring is fixedly connected to the bottom of the second electric telescopic rod.

[0011] In one example, the scraping assembly includes a second strip-shaped hole opened on one side of two support rods, wherein the inner wall of one of the second strip-shaped holes is rotatably connected to the first screw rod, and the outer wall of the first screw rod is threadedly connected to the second movable block, and the inner wall of the other second strip-shaped hole is fixedly connected to the second sliding rod, and the outer wall of the second sliding rod is slidably connected to the second movable block, the top of one of the support rods is fixedly connected to the second motor, and one end of the first screw rod passes through the inner wall of the second strip-shaped hole and is fixedly connected to the output end of the second motor.

[0012] In one example, one side of each of the two second movable blocks is fixedly connected to a third connecting rod, a collar is fixedly connected between the two third connecting rods, and a cleaning cloth is fixedly connected to the inner wall of the collar.

[0013] In one example, a switch panel is provided on one side of the base, and a first electric telescopic rod switch, a second electric telescopic rod switch, a first motor switch and a second motor switch are provided on the surface of the switch panel. The first electric telescopic rod is electrically connected to the external power supply through the first electric telescopic rod switch, the second electric telescopic rod is electrically connected to the external power supply through the second electric telescopic rod switch, the first motor is electrically connected to the external power supply through the first motor switch, and the second motor is electrically connected to the external power supply through the second motor switch.

[0014] The sucker rod casing air tightness detection system proposed by the present invention can bring the following beneficial effects:

[0015] 1. A sucker rod casing air tightness detection system, which is provided on the top of the base through a strip groove, a first partition, a first sliding rod, a first slider, a first fixing seat, a first connecting rod, a second fixing seat, a top plate, a first electric telescopic rod, a limiting rod, a first sealing ring, a support rod, a support plate, a first strip hole, a second partition, a bidirectional screw rod, a first movable block, a second connecting rod, an arc plate, a second electric telescopic rod, and a second sealing ring. When in use, the casing can be placed inside the limiting rod and pressed on the outside of the first sealing ring to seal and fix the bottom. At the same time, the casing Some drinking water is injected into the interior, and then the bottom sleeve is lifted by the drive of the first electric telescopic rod, and then it will contact the second sealing ring and be sleeved on the outside to form a sealing treatment of the upper part. The existence of the first sealing ring and the second sealing ring forms a closed space inside. When water seeps out of the outside of the sleeve, the airtightness of the sleeve is poor, otherwise it can be used. Through the double-layer detection of the water filling method and the pressure method, the detection of the sleeve can be made more accurate, thereby improving the work efficiency during the sleeve detection process.

[0016] 2. This sucker rod casing air tightness detection system is equipped with a second strip hole, a first screw rod, a second movable block, a second sliding rod, a third connecting rod, a ring, and a cleaning cloth on one side of the support rod. When in use, the ring is sleeved on the outside of the casing, so that when in use, the casing is fixed and, under the drive of the second motor, the outside of the casing can be wiped with an external cleaning cloth, thereby making it convenient for staff to observe the outside of the casing and improving the practicality of the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0018] Figure 1 It is a schematic diagram of the structure of the present invention;

[0019] Figure 2 This is a schematic diagram of the top structure of the base of the present invention;

[0020] Figure 3 This is a schematic diagram of the support rod structure of the present invention.

[0021] Figure 4 This is a schematic diagram of the support plate position structure of the present invention.

[0022] Figure 5 This is a schematic diagram of the position structure of the arc plate of the present invention.

[0023] Figure 6It is a schematic structural diagram of the scraping assembly of the present invention.

[0024] In the figure: 1. base; 2. strip groove; 3. first partition; 4. first sliding rod; 5. first slider; 6. first fixed seat; 7. first connecting rod; 8. second fixed seat; 9. top plate; 10. first electric telescopic rod; 11. limit rod; 12. first sealing ring; 13. support rod; 14. support plate; 15. first strip hole; 16. second partition; 17. two-way screw rod; 18. first movable block; 19. second connecting rod; 20. arc plate; 21. second electric telescopic rod; 22. second sealing ring; 23. first motor; 24. second strip hole; 25. first screw rod; 26. second movable block; 27. second sliding rod; 28. third connecting rod; 29. collar; 30. cleaning cloth; 31. second motor. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in an exemplary manner in conjunction with the accompanying drawings.

[0026] In embodiment 1, the present invention provides Figure 1 - Figure 6The sucker rod casing air tightness detection system shown in the figure includes a base 1, a detection mechanism is provided on the top of the base 1, the detection mechanism also includes a lifting assembly and a scraping assembly, the lifting assembly includes a strip groove 2 starting from the top of the base 1, the middle of the inner wall of the strip groove 2 is fixedly connected to a first partition 3, both sides of the first partition 3 are fixedly connected to a first slide bar 4, and the other end of the first slide bar 4 is fixedly connected to the inner wall of the strip groove 2, the outer walls of the two first slide bars 4 are slidably connected to a first slider 5, the tops of the two first sliders 5 are fixedly connected to a first fixed seat 6, one side of the two first fixed seats 6 are rotatably connected to a first connecting rod 7, the other ends of the two first connecting rods 7 are rotatably connected to a second fixed seat 8, and one side of the two second fixed seats 8 are fixedly connected to a top plate 9. The top of the first partition 3 is embedded with a first electric telescopic rod 10, and the top of the first electric telescopic rod 10 is fixedly connected to the bottom of the top plate 9. The center of the top of the top plate 9 is fixedly connected to a limit rod 11, and the bottom of the outer wall of the limit rod 11 is fixedly connected to a first sealing ring 12. Both sides of the top of the base 1 are fixedly connected to support rods 13, and a support plate 14 is fixedly connected between the two support rods 13. A first strip hole 15 is opened on the top of the support plate 14, and a bidirectional screw rod 17 is rotatably connected to the inner wall of the first strip hole 15. A second partition 16 is fixedly connected to the inner wall of the first strip hole 15, and the second partition 16 is rotatably connected to the bidirectional screw rod 17. A first motor 23 is fixedly connected to one side of the support plate 14, and one end of the bidirectional screw rod 17 passes through the first The inner wall of the strip hole 15 is fixedly connected to the output end of the first motor 23, and both sides of the outer wall of the bidirectional screw rod 17 are threadedly connected with the first movable block 18, and the bottoms of the two first movable blocks 18 are fixedly connected to the second connecting rod 19, and the bottoms of the two second connecting rods 19 are fixedly connected to the arc plate 20. The center of the bottom of the second partition 16 is fixedly connected to the second electric telescopic rod 21, and the bottoms of the second electric telescopic rod 21 are fixedly connected to the second sealing ring 22. Through the strip groove 2, the first partition 3, the first sliding rod 4, the first sliding block 5, the first fixed seat 6, the first connecting rod 7, the second fixed seat 8, the top plate 9, the first electric telescopic rod 10, the limit rod 11, the first sealing ring 12, the support rod 13, the support plate 14, The first strip hole 15, the second partition plate 16, the bidirectional screw rod 17, the first movable block 18, the second connecting rod 19, the arc plate 20, the second electric telescopic rod 21, and the second sealing ring 22 can be used by sleeve-mounting the sleeve inside the limit rod 11 and pressing the outside of the first sealing ring 12 to seal and fix the bottom. At the same time, some drinking water is injected into the sleeve. Then, under the drive of the first electric telescopic rod 10, the sleeve at the bottom is lifted, and then it contacts the second sealing ring 22 and sleeved on the outside to form a sealing treatment of the upper part. The existence of the first sealing ring 12 and the second sealing ring 22 forms a closed space inside. When water seeps out of the outside of the sleeve, the airtightness of the sleeve is poor.On the contrary, it can be used. Through the double-layer detection of water filling method and pressure method, it can make the casing detection more accurate and improve the work efficiency during the casing detection process.

[0027] In embodiment 2, the present invention provides Figure 6 The present invention provides a sucker rod casing air tightness detection system, including a scraping assembly including a second strip hole 24 opened on one side of two support rods 13, wherein the inner wall of one second strip hole 24 is rotatably connected to a first screw rod 25, and the outer wall of the first screw rod 25 is threadedly connected to a second movable block 26, and the inner wall of the other second strip hole 24 is fixedly connected to a second slide rod 27, and the outer wall of the second slide rod 27 is slidably connected to the second movable block 26, the top of one support rod 13 is fixedly connected to a second motor 31, and one end of the first screw rod 25 passes through the inner wall of the second strip hole 24 and is fixedly connected to the output end of the second motor 31, and one side of the two second movable blocks 26 are fixed. It is connected to a third connecting rod 28, and a ring 29 is fixedly connected between the two third connecting rods 28. The inner wall of the ring 29 is fixedly connected to a cleaning cloth 30. Through the second strip hole 24, the first screw rod 25, the second movable block 26, the second sliding rod 27, the third connecting rod 28, the ring 29, and the cleaning cloth 30 arranged on one side of the support rod 13, the ring 29 can be sleeved on the outside of the sleeve when in use, so that when in use, the sleeve is fixed and, under the drive of the second motor 31, the outside of the sleeve can be wiped with the external cleaning cloth 30, thereby facilitating the staff to observe the outside of the sleeve, thereby improving the practicality of the device during use.

[0028] Working principle: The present invention discloses an oil pump rod casing air tightness detection system. When in use, through the strip groove 2, the first partition plate 3, the first sliding rod 4, the first sliding block 5, the first fixing seat 6, the first connecting rod 7, the second fixing seat 8, the top plate 9, the first electric telescopic rod 10, the limiting rod 11, the first sealing ring 12, the support rod 13, the support plate 14, the first strip hole 15, the second partition plate 16, the two-way screw rod 17, the first movable block 18, the second connecting rod 19, the arc plate 20, the second electric telescopic rod 21, and the second sealing ring 22 arranged on the top of the base 1, when in use, by sleeve-mounting the casing inside the limiting rod 11 and pressing the outside of the first sealing ring 12 to seal and fix the bottom, and at the same time injecting some drinking water into the inside of the casing, then under the drive of the first electric telescopic rod 10, the casing at the bottom is lifted, and then it will contact with the second sealing ring 22 and sleeved on the outside thereof, The sealing treatment of the upper part is formed. The presence of the first sealing ring 12 and the second sealing ring 22 forms an enclosed space inside. When water seeps out of the outside of the sleeve, the airtightness of the sleeve is poor. Otherwise, it can be used. Through the double-layer detection of the water filling method and the pressure method, the detection of the sleeve can be more accurate, which improves the work efficiency during the sleeve detection process. At the same time, through the second strip hole 24, the first screw rod 25, the second movable block 26, the second slide rod 27, the third connecting rod 28, the ring 29, and the cleaning cloth 30 provided on one side of the support rod 13, the ring 29 can be sleeved on the outside of the sleeve when in use, so that when in use, the sleeve is fixed while, under the drive of the second motor 31, the outside of the sleeve can be wiped by the external cleaning cloth 30, thereby facilitating the staff to observe the outside of the sleeve, thereby improving the practicality of the device during use.

[0029] The various embodiments in this specification are described in a progressive manner. Similar parts between the various embodiments can be referred to in conjunction with each other. Each embodiment focuses on the differences between the other embodiments. In particular, the system embodiments are described briefly because they are generally similar to the method embodiments. For relevant parts, refer to the description of the method embodiments.

[0030] The foregoing is merely an embodiment of the present invention and is not intended to limit the present invention. It will be apparent to those skilled in the art that various modifications and variations of the present invention are possible. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention are intended to be included within the scope of the claims of the present invention.

Claims

1. A sucker rod casing air tightness detection system, comprising a base (1), wherein a detection mechanism is provided on the top of the base (1); Its characteristics are: The detection mechanism also includes a lifting component and a scraping component, the lifting component includes a strip groove (2) starting from the top of the base (1), the middle of the inner wall of the strip groove (2) is fixedly connected to a first partition (3), both sides of the first partition (3) are fixedly connected to a first slide bar (4), and the other end of the first slide bar (4) is fixedly connected to the inner wall of the strip groove (2), the outer walls of the two first slide bars (4) are slidably connected to a first slider (5), the tops of the two first sliders (5) are fixedly connected to a first fixed seat (6), one side of the two first fixed seats (6) are rotatably connected to a first connecting rod (7), the other ends of the two first connecting rods (7) are rotatably connected to a second fixed seat (8), one side of the two second fixed seats (8) are fixedly connected to a top plate (9), the top of the first partition (3) is embedded with a first electric telescopic rod (10), and the top of the first electric telescopic rod (10) is fixedly connected to the bottom of the top plate (9).

2. The sucker rod casing air tightness detection system according to claim 1, characterized in that: A limiting rod (11) is fixedly connected to the center of the top of the top plate (9), and a first sealing ring (12) is fixedly connected to the bottom of the outer wall of the limiting rod (11).

3. The sucker rod casing air tightness detection system according to claim 1, characterized in that: Both sides of the top of the base (1) are fixedly connected to support rods (13), a support plate (14) is fixedly connected between the two support rods (13), a first strip hole (15) is opened on the top of the support plate (14), the inner wall of the first strip hole (15) is rotatably connected to a bidirectional screw rod (17), the inner wall of the first strip hole (15) is fixedly connected to a second partition (16), and the second partition (16) is rotatably connected to the bidirectional screw rod (17), one side of the support plate (14) is fixedly connected to a first motor (23), and one end of the bidirectional screw rod (17) passes through the inner wall of the first strip hole (15) and is fixedly connected to the output end of the first motor (23).

4. The sucker rod casing air tightness detection system according to claim 3, characterized in that: Both sides of the outer wall of the bidirectional screw rod (17) are threadedly connected to a first movable block (18), the bottoms of the two first movable blocks (18) are fixedly connected to a second connecting rod (19), and the bottoms of the two second connecting rods (19) are fixedly connected to an arc plate (20).

5. The sucker rod casing air tightness detection system according to claim 3, characterized in that: A second electric telescopic rod (21) is fixedly connected to the center of the bottom of the second partition (16), and a second sealing ring (22) is fixedly connected to the bottom of the second electric telescopic rod (21).

6. The sucker rod casing air tightness detection system according to claim 1, characterized in that: The scraping assembly includes a second strip hole (24) opened on one side of the two support rods (13), wherein the inner wall of one of the second strip holes (24) is rotatably connected to the first screw rod (25), and the outer wall of the first screw rod (25) is threadedly connected to the second movable block (26), and the inner wall of the other second strip hole (24) is fixedly connected to the second slide rod (27), and the outer wall of the second slide rod (27) is slidably connected to the second movable block (26), and the top of one of the support rods (13) is fixedly connected to the second motor (31), and one end of the first screw rod (25) passes through the inner wall of the second strip hole (24) and is fixedly connected to the output end of the second motor (31).

7. The sucker rod casing air tightness detection system according to claim 6, characterized in that: One side of each of the two second movable blocks (26) is fixedly connected to a third connecting rod (28), a collar (29) is fixedly connected between the two third connecting rods (28), and a cleaning cloth (30) is fixedly connected to the inner wall of the collar (29).

8. The sucker rod casing air tightness detection system according to claim 1, characterized in that: A switch panel is provided on one side of the base (1), and a first electric telescopic rod switch, a second electric telescopic rod switch, a first motor switch, and a second motor switch are provided on the surface of the switch panel. The first electric telescopic rod (10) is electrically connected to an external power supply via the first electric telescopic rod switch, the second electric telescopic rod (21) is electrically connected to an external power supply via the second electric telescopic rod switch, the first motor (23) is electrically connected to an external power supply via the first motor switch, and the second motor (31) is electrically connected to an external power supply via the second motor switch.

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