CN218150867U

CN218150867U - Sliding sleeve type oil drain device

Info

Publication number: CN218150867U
Application number: CN202222271167.4U
Authority: CN
Inventors: 刘金忠; 李超凡; 刘金柱; 高一鸣
Original assignee: Shandong Yuanye New Material Technology Co ltd
Current assignee: Shandong Yuanye New Material Technology Co ltd
Priority date: 2022-08-26
Filing date: 2022-08-26
Publication date: 2022-12-27
Anticipated expiration: 2032-08-26

Abstract

The utility model discloses a sliding sleeve formula bleeder, including leaking an oil section of thick bamboo, the inside swing joint who leaks an oil section of thick bamboo has the seal cover, it has the draining hole to leak the left end of an oil section of thick bamboo to open, the lower extreme threaded connection who leaks an oil section of thick bamboo has the lower clutch, swing joint has the slider in leaking an oil section of thick bamboo, the inside of leaking an oil section of thick bamboo is provided with jump ring and No. two jump rings, a jump ring is located the top of No. two jump rings, the upper end threaded connection who leaks an oil section of thick bamboo has the top connection, the seal cover includes the sliding sleeve, no. three jump rings of upper end fixedly connected with of sliding sleeve, the upper end threaded connection of sliding sleeve has the compression joint, the compression joint is located the top of No. three jump rings, two O type circles of outer fixed surface connection of sliding sleeve. Sliding sleeve formula bleeder, through setting up the seal cover, can not be taken out ground polluted environment when guaranteeing to recover oil, simple structure, the simple operation realizes reuse, reduces the oil field operation cost.

Description

Sliding sleeve type oil drain device

Technical Field

The utility model relates to an bleeder technical field, in particular to sliding sleeve formula bleeder.

Background

The oil drain is a device for draining crude oil in an oil pipe into the ground in order to prevent the crude oil from polluting the ground when the oil pipe is lifted and injected in the well repairing process of a pumping well, and the current commonly used oil drains are of a hydraulic type, a rod throwing type and the like.

The patent number CN201920129534.2 discloses a sliding sleeve type oil drain device which comprises a main body (1), wherein a sliding sleeve (4) is connected to the inside of the main body (1) through a pin (3), a groove is formed in the outer wall of the sliding sleeve (4) in the circumferential direction, and a clamp spring (2) is arranged in the groove; the inner hole of the main body (1) is a stepped hole, the aperture of the lower part is larger than that of the upper part, a baffle is arranged at the bottom of the sliding sleeve (4), and the baffle is provided with a plurality of through holes. The problem that current bleeder structure is complicated, difficult to open is mainly solved, this sliding sleeve formula bleeder simple structure, opening draining that can be convenient.

The structure of sliding sleeve formula bleeder in the above-mentioned patent is more, and the operation is comparatively loaded down with trivial details, and the performance reliability is weaker to and can not reuse, can cause the higher problem of oil field operation cost, so, we propose a neotype sliding sleeve formula bleeder.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides sliding sleeve formula bleeder can effectively solve the background art in the structure complicated, the operation is comparatively loaded down with trivial details, the performance reliability is less strong to and non-reuse can cause the higher problem of oil field operation cost.

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

sliding sleeve formula bleeder, including letting out an oil section of thick bamboo, the inside swing joint who lets out an oil section of thick bamboo has the seal cover, it has the draining hole to let out the left end of an oil section of thick bamboo, the lower extreme threaded connection who lets out an oil section of thick bamboo has the lower clutch, swing joint has the slider in letting out an oil section of thick bamboo, the inside of letting out an oil section of thick bamboo is provided with jump ring and No. two jump rings, a jump ring is located the top of No. two jump rings, the upper end threaded connection who lets out an oil section of thick bamboo has the top connection, the seal cover includes the sliding sleeve, no. three jump rings of upper end fixedly connected with of sliding sleeve, the upper end threaded connection of sliding sleeve has the compression joint, the compression joint is located the top of No. three jump rings, the outer fixed surface of sliding sleeve is connected with two O type circles.

Preferably, sliding sleeve and draining a section of thick bamboo swing joint, two O type circle all is located the oil leakage section of thick bamboo, when needs workover, according to conventional operation, need mention oil-well pump pull rod and plunger assembly earlier, and the oil-well pump pull rod drives plunger assembly and slider and goes upward this moment, and the slider can be blocked by No. three jump rings this moment, because the elasticity of No. three jump rings is greater than No. two jump rings, and the seal cover can be followed the deblocking and go upward in No. two jump rings this moment to the seat seals in a jump ring, leaks the draining hole this moment, begins the oil discharge.

Preferably, the structure of the first snap spring, the second snap spring and the third snap spring is the same, gaps are formed in the first snap spring, the second snap spring and the third snap spring, the compression joint on the sealing sleeve is blocked by the upper joint of the oil drainage cylinder, the lifting force is continuously increased, the sliding block passes through the third snap spring, the pull rod and the plunger assembly of the oil well pump can be lifted out of the ground, and when the oil pipe column is lifted next, because crude oil in the oil pipe column is drained through the oil drain, the environment can not be polluted by the ground, and the operation is convenient and fast.

Preferably, a jump ring, no. two jump rings and No. three jump rings all set up to ring form elastic element, the elasticity of No. three jump rings is greater than jump ring and No. two jump rings, the slider is along with plunger assembly and oil-well pump pull rod down, the slider can be blocked by No. three jump rings this moment, because the elasticity of No. three jump rings is greater than a jump ring, the seal cover can be followed deblocking and down in a jump ring this moment, the seat seals in No. two jump rings, this moment because the seal cover is blocked by the lower clutch of draining a section of thick bamboo, continue down oil-well pump pull rod and plunger assembly, the slider passes through from No. three jump rings, can normally recover oil after adjusting oil-well pump scour protection distance this moment, realize reuse, reduce the oil field operation cost.

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

1. the utility model discloses in, the slider cover is on the oil-well pump pull rod, when needs workover, according to conventional operation, need mention oil-well pump pull rod and plunger assembly earlier, the pull rod drives plunger assembly and slider and goes upward this moment, the slider can be blocked by No. three jump rings this moment, because the elasticity of No. three jump rings is greater than No. two jump rings, the seal cover can be deblocking and going upward from No. two jump rings this moment, and the seat seals in jump ring one, the draining hole spills this moment, begin to unload oil, because the seal cover is blocked by the top connection of draining a section of thick bamboo, continue to increase and lift the power, the slider passes through from No. three jump rings, can put oil-well pump pull rod and plunger assembly out ground this moment, when next lifting oil pipe column, because the crude oil in the oil pipe column has already let out through the bleeder, can not be brought out ground polluted environment, moreover, the steam generator is simple in structure, and convenient operation;

2. the utility model discloses in, when the workover is accomplished, when going into oil-well pump pull rod and plunger assembly, the slider is gone down along with plunger assembly and oil-well pump pull rod, the slider can be blocked by No. three jump rings this moment, because the elasticity of No. three jump rings is greater than a jump ring, the seal cover can be followed in a jump ring deblocking and down this moment, the seat seals in No. two jump rings, this moment because the seal cover is blocked by the lower clutch of draining a section of thick bamboo, continue down oil-well pump pull rod and plunger assembly, the slider passes through from No. three jump rings, can normally recover oil after adjusting oil-well pump protecting against shock distance this moment, realize reuse, reduce the oil field operation cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the sliding sleeve type oil drain device of the present invention;

fig. 2 is a schematic structural view of a sealing sleeve of the sliding sleeve type oil drain device of the utility model;

fig. 3 is a schematic structural view of a third snap spring of the sliding sleeve type oil drain device of the present invention;

fig. 4 is a schematic structural view of the oil drainage state of the sliding sleeve type oil drain device of the present invention;

fig. 5 is a schematic structural view of the oil recovery state of the sliding sleeve type oil drain device of the present invention;

fig. 6 is a schematic view of the connection between the oil drainage tube and the oil pump of the sliding sleeve type oil drainer of the present invention.

In the figure: 1. an oil discharge cylinder; 2. a sealing sleeve; 3. an oil drainage hole; 4. a lower joint; 5. a slider; 6. a first clamp spring; 7. a second snap spring; 8. an upper joint; 21. a sliding sleeve; 22. a third clamp spring; 23. compressing the joint; 24. an O-shaped ring.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", 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 device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; 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 as a specific case by those skilled in the art.

As shown in fig. 1-6, sliding sleeve formula bleeder, including leaking oil section of thick bamboo 1, the inside swing joint of leaking oil section of thick bamboo 1 has seal cover 2, it has draining hole 3 to open at the left end of leaking oil section of thick bamboo 1, the lower extreme threaded connection of leaking oil section of thick bamboo 1 has lower clutch 4, swing joint has slider 5 in the leaking oil section of thick bamboo 1, the inside of leaking oil section of thick bamboo 1 is provided with jump ring 6 and No. two jump rings 7, jump ring 6 is located the top of No. two jump rings 7, the upper end threaded connection of leaking oil section of thick bamboo 1 has top connection 8, seal cover 2 includes sliding sleeve 21, no. three jump rings 22 of upper end fixedly connected with of sliding sleeve 21, the upper end threaded connection of sliding sleeve 21 has gland bush 23, gland bush 23 is located the top of No. three jump rings 22, sliding sleeve 21's outer fixed surface is connected with two O type circles 24.

The sliding sleeve 21 is movably connected with the oil drainage cylinder 1, the two O-shaped rings 24 are both positioned in the oil drainage cylinder 1, the compression joint 23 on the sealing sleeve 2 is blocked by the upper joint 8 of the oil drainage cylinder 1, the lifting force is continuously increased, the sliding block 5 passes through the third snap spring 22, the pull rod and the plunger assembly of the oil well pump can be lifted out of the ground, and when an oil pipe column is lifted next, the crude oil in the oil pipe column is discharged through the oil drainer, so that the crude oil cannot be brought out of the ground to pollute the environment, and the operation is convenient and fast; the first clamp spring 6, the second clamp spring 7 and the third clamp spring 22 are identical in structure, gaps are formed in the first clamp spring 6, the second clamp spring 7 and the third clamp spring 22, when well repair operation is needed, according to conventional operation, an oil well pump pull rod and a plunger assembly need to be lifted firstly, the oil well pump pull rod drives the plunger assembly and the sliding block 5 to move upwards, the sliding block 5 can be clamped by the third clamp spring 22, the elasticity of the third clamp spring 22 is larger than that of the second clamp spring 7, the sealing sleeve 2 can be unlocked from the second clamp spring 7 and moves upwards and is seated in the first clamp spring 6, and the oil drainage hole 3 leaks to start oil drainage; the first snap spring 6, the second snap spring 7 and the third snap spring 22 are all arranged to be annular elastic elements, the elasticity of the third snap spring 22 is larger than that of the first snap spring 6 and the second snap spring 7, when the pull rod and the plunger assembly of the oil well pump are put in, the sliding block 5 descends along with the plunger assembly and the pull rod of the oil well pump, at the moment, the sliding block 5 can be clamped by the third snap spring 22, as the elasticity of the third snap spring 22 is larger than that of the first snap spring 6, the sealing sleeve 2 can be unsealed from the first snap spring 6 and descends, and is seated in the second snap spring 7, at the moment, as the sealing sleeve 2 is blocked by the lower connector 4 of the oil drainage cylinder 1, the pull rod and the plunger assembly of the oil well pump continue to descend, the sliding block 5 passes through the third snap spring 22, at the moment, after the anti-impact distance is adjusted, the oil well-pumping oil well, the oil well can be recycled, and the operation cost of the oil field is reduced; the whole device is simple in structure, convenient and fast to operate and high in practicability.

It should be noted that the utility model relates to a sliding sleeve type oil drain, the drawing 1 in the utility model is a sliding sleeve type oil drain in oil extraction state, the oil well pump comprises an oil inlet valve, a lower oil outlet valve, an upper oil outlet valve, a pump barrel and a plunger assembly, the upper end of the oil drain barrel 1 of the sliding sleeve type oil drain for the oil well pump is connected with an oil pipe, the lower end is connected with an oil well pump, a slider 5 is sleeved on the pull rod of the oil well pump, when the well workover operation is needed, according to the conventional operation, the pull rod and the plunger assembly of the oil well pump need to be lifted first, the pull rod of the oil well pump drives the plunger assembly and the slider 5 to move upwards, at this moment, the slider 5 is blocked by a third snap spring 22, because the elasticity of the third snap spring 22 is greater than the second snap spring 7, the sealing sleeve 2 can be unsealed and move upwards from the second snap ring 7 and is seated in the first snap ring 6, at this moment, the oil drain hole 3 leaks, oil begins to be unloaded, because the compression joint 23 on the sealing sleeve 2 is blocked by the upper joint 8 of the oil drain barrel 1, the lifting force is continuously increased, the sliding block 5 passes through the third snap spring 22, the oil well pump pull rod and the plunger assembly can be lifted out of the ground, when the oil pipe column is lifted next, the crude oil in the oil pipe column is discharged through an oil drainer and cannot be brought out of the ground to pollute the environment, the operation is convenient, when the well repair is completed and the oil well pump pull rod and the plunger assembly are put in, the sliding block 5 moves downwards along with the plunger assembly and the oil well pump pull rod, the sliding block 5 is clamped by the third snap spring 22, the elastic force of the third snap spring 22 is larger than that of the first snap spring 6, the sealing sleeve 2 is unlocked from the first snap spring 6 and moves downwards and is sealed in the second snap spring 7, the sealing sleeve 2 is blocked by the lower connector 4 of the oil drainage cylinder 1 at the moment, the oil well pump pull rod and the plunger assembly continue to move downwards, the sliding block 5 passes through the third snap spring 22, and the oil well pump can normally recover after the anti-stroke distance is adjusted, realize reuse, reduce the oil field operation cost, whole device simple structure, convenient operation, the dependable performance is stronger, but reuse reduces the pollution of crude oil to ground.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Sliding sleeve formula bleeder, including letting out oil section of thick bamboo (1), its characterized in that: the utility model discloses a leak the inside swing joint of an oil section of thick bamboo (1) and have seal cover (2), the left end of leaking an oil section of thick bamboo (1) is opened there is draining hole (3), the lower extreme threaded connection of leaking an oil section of thick bamboo (1) has lower clutch (4), it has slider (5) to leak swing joint in an oil section of thick bamboo (1), the inside of leaking an oil section of thick bamboo (1) is provided with jump ring (6) and jump ring (7) No. two, jump ring (6) is located the top of jump ring (7) No. two, the upper end threaded connection of leaking an oil section of thick bamboo (1) has top connection (8), seal cover (2) are including sliding sleeve (21), the upper end fixedly connected with jump ring (22) No. three of sliding sleeve (21), the upper end threaded connection of sliding sleeve (21) has compression joint (23), compression joint (23) is located the top of No. three jump ring (22), the outer fixed surface of sliding sleeve (21) is connected with two O type circle (24).

2. The slide sleeve drain of claim 1 wherein: the sliding sleeve (21) is movably connected with the oil drainage cylinder (1), and the two O-shaped rings (24) are located in the oil drainage cylinder (1).

3. The sliding sleeve drain of claim 2, wherein: the first clamp spring (6), the second clamp spring (7) and the third clamp spring (22) are identical in structure, and notches are formed in the first clamp spring (6), the second clamp spring (7) and the third clamp spring (22).

4. A sliding sleeve drain apparatus according to claim 3, wherein: no. one jump ring (6), no. two jump ring (7) and No. three jump ring (22) all set up to ring form elastic element, the elasticity of No. three jump ring (22) is greater than jump ring (6) and No. two jump ring (7).