CN217925802U - Polished rod sealer oil leak collection device - Google Patents

Abstract

The utility model discloses a polished rod sealer leaked oil collecting device, belonging to the technical field of oil exploitation devices, comprising a sealing assembly, a collecting assembly, an installation fixing assembly and a central sleeve; the central sleeve is sleeved at the end of the polished rod sealer through a C-shaped hole, and a sealing gasket is arranged at the joint of the central sleeve and the polished rod sealer; the collecting assembly is sleeved outside the central sleeve; the sealing assembly penetrates through the C-shaped hole of the collecting assembly and is attached to one side of the central sleeve; the sealing assembly is fixed on the collecting assembly through a fixing bolt; and one side of the central sleeve is provided with a liquid drainage hole, and the collection assembly is fixed on the polished rod sealer through a mounting and fixing assembly. The collecting device obviously reduces the oil leakage phenomenon and effectively avoids the problem of pollution to wellhead accessories and the surrounding environment.

Description

Polished rod sealer oil leak collection device

Technical Field

The utility model relates to an oil development technical field especially relates to a polished rod sealing ware oil leak collection device.

Background

The polish rod sealer is used for sealing the wellhead device and the up-and-down motion polish rod of the oil production well. Because the oil production well works continuously for a long time to produce oil, the polished rod sealer and the polished rod part often leak, and the environment is polluted.

In the prior art, a mining unit is the first: only high requirements can be put on the polish rod sealer, the development cost is increased, and leakage still exists; secondly, the method comprises the following steps: the oil leakage part is continuously wrapped with cotton yarn and felt to prevent the oil from flowing to the equipment and the ground. Both of these solutions fail to avoid the problem of contamination of the wellhead attachment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a polish rod sealing ware oil leak collection device, this collection device has obviously reduced the emergence of oil leak phenomenon, has effectively avoided producing the problem of pollution to well head annex and surrounding environment simultaneously.

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

a polish rod sealer leaked oil collecting device comprises a sealing assembly, a collecting assembly, a mounting and fixing assembly and a center sleeve; a C-shaped hole is formed in the central sleeve, the central sleeve is sleeved at the end of the polished rod sealer through the C-shaped hole, and a sealing gasket is arranged at the joint of the central sleeve and the polished rod sealer; the middle part of the collecting assembly is provided with a C-shaped hole matched with the central sleeve in size; the collecting assembly is sleeved outside the central sleeve; the sealing assembly penetrates through the C-shaped hole of the collecting assembly and is attached to one side of the central sleeve; the sealing assembly is fixed on the collecting assembly through a fixing bolt; one side of the central sleeve is provided with a liquid drainage hole, one end of the liquid drainage hole is communicated with the inner cavity of the collection assembly, and the other end of the liquid drainage hole is communicated with a C-shaped hole in the central sleeve; the collection assembly is fixed on the polish rod sealer through a mounting and fixing assembly.

Further, the sealing assembly comprises a sealing core, a gland with a folded edge, an adjustable pressure plate, an O-shaped ring and a sealing bolt, wherein the sealing core is positioned on one side of the gland and the adjustable pressure plate; the gland is positioned at the upper part of the adjustable pressure plate; the O-shaped ring is sleeved in the groove of the sealing core.

Further, the sealing core is in an irregular tetragonal structure.

Further, the bottom of the collection assembly is provided with a liquid outlet, and a liquid outlet valve is mounted on the liquid outlet.

Furthermore, the installation fixing assembly is a fixing piece formed by combining two semicircular hoop rings; the hoop is provided with a threaded hole, one end of the screw rod is fixed on the collecting assembly, and the other end of the screw rod penetrates through the threaded hole and is fixed on the mounting and fixing assembly.

Compared with the prior art, the utility model, its beneficial effect does:

according to the novel collecting device, the sealing core of the sealing assembly is processed into an irregular square structure by linear cutting, then the sealing groove is processed from the square, and the O-shaped sealing ring is installed; the sealing assembly and the collecting assembly are connected in a matching way and inserted into the central sleeve for sealing, and then crude oil cannot leak out; in addition, leaked crude oil can flow into the collection assembly in time, and the seal assembly is made into a folding gland, so that the crude oil cannot leak. The oil leakage prevention device has the advantages of reasonable overall structure design, capability of greatly reducing the oil leakage phenomenon, effective avoidance of environmental pollution, high practicability and convenience in popularization and application.

Drawings

FIG. 1 is a schematic view of the installation of the novel device;

FIG. 2 is a top view of the novel device;

FIG. 3 is a schematic structural view of the novel mid-seal assembly;

FIG. 4 is a schematic structural view of the novel central sealed core;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a schematic view of the novel collection assembly;

FIG. 7 is a schematic structural view of the novel center hub;

FIG. 8 is a top view of FIG. 7;

fig. 9 is a schematic structural view of the installation fixing assembly in the invention.

In the figure, 1-sealing assembly, 2-collecting assembly, 3-installing and fixing assembly, 4-central sleeve, 5-sealing gasket, 6-polish rod, 7-polish rod sealer, 101-sealing core, 102-gland, 103-adjustable pressure plate, 104-O-shaped ring, 105-sealing bolt, 201-liquid outlet, 202-liquid outlet valve, 401-liquid outlet hole and 402-C-shaped hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, it should be noted that the terms of orientation such as left, right, up, down, head and tail in the embodiments of the present invention are only relative concepts or reference to the normal use state of the product, and should not be considered as limiting. The following describes the present invention in detail with reference to specific embodiments.

Referring to fig. 1 to 9, the present invention provides a technical solution: a polish rod sealer leaked oil collecting device comprises a sealing assembly 1, a collecting assembly 2, a mounting and fixing assembly 3 and a center sleeve 4; a C-shaped hole 402 is formed in the central sleeve 4, the central sleeve 4 is sleeved at the end of the polished rod sealer 7 through the C-shaped hole 402, and a sealing gasket 5 is arranged at the joint of the central sleeve 4 and the polished rod sealer 7; the middle part of the collection assembly 2 is provided with a C-shaped hole matched with the central sleeve 4 in size; the collection assembly 2 is sleeved outside the central sleeve 4; the sealing assembly 1 passes through the C-shaped hole of the collecting assembly 2 and is attached to one side of the central sleeve 4; the sealing assembly 1 is fixed on the collecting assembly 2 through a fixing bolt; one side of the central sleeve 4 is provided with a liquid drainage hole 401, one end of the liquid drainage hole 401 is communicated with the inner cavity of the collection assembly 2, and the other end of the liquid drainage hole 401 is communicated with a C-shaped hole 402 in the central sleeve 4; the collection assembly 2 is fixed on a polish rod sealer 7 through the installation and fixation assembly 3, and the polish rod 6 passes through a C-shaped hole in the central sleeve 4 and is fixed on the polish rod sealer 7.

Referring to fig. 3 and 4, the sealing assembly 1 includes a sealing core 101, a flanged gland 102, an adjustable pressure plate 103, an O-ring 104 and a sealing bolt 105, wherein the sealing core 101 is located at one side of the gland 102 and the adjustable pressure plate 103; the gland 102 is positioned at the upper part of the adjustable pressure plate 103; the O-ring 104 is sleeved in the groove of the seal core 101.

The sealing core 101 has an irregular tetragonal structure.

Referring to fig. 6, a liquid outlet 201 is provided at the bottom of the collection assembly 2, a liquid outlet valve 202 is installed on the liquid outlet 201, and when a certain amount of liquid is collected, the liquid flowing into the inner cavity of the collection assembly 2 is discharged and collected through the liquid outlet valve 202.

Referring to fig. 9, the installation fixing assembly 3 is a fixing member formed by combining two semicircular hoop rings; the hoop is provided with a threaded hole, one end of the screw rod is fixed on the collecting assembly 2, and the other end of the screw rod penetrates through the threaded hole and is fixed on the mounting and fixing assembly 3.

In the oil production well in the conventional work, a polish rod sealer 7 is sleeved on a polish rod 6 and is fixedly arranged at the uppermost part of a well head. The polish rod 6 is pulled to move up and down by the oil pumping unit, and when the device is installed, oil pumping is stopped at first, and related power supplies are turned off. Placing a sealing gasket 5 on the upper part of the polish rod sealer 7, firstly enabling the central sleeve 4 to penetrate through the polish rod 6, then sleeving the central sleeve on the upper end of the polish rod sealer 7, and sitting on the sealing gasket 5; then the collection assembly 2 passes through the polish rod 6 from the opening and is sleeved on the central sleeve 4; the sealing assembly 1 is inserted into the opening of the collection assembly 2, fixed through bolts, and then the collection assembly 2 is fixed on the polished rod sealer 7 through the installation and fixing assembly 3. The device can effectively reduce the leakage of fluid, even if some fluid leaks out, also can flow into the inner chamber of collecting assembly 2 through drain hole 401, when crude oil reaches a certain amount, the rethread drain 201 is discharged it.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (4)

1. A polish rod sealer leaked oil collecting device is characterized by comprising a sealing assembly (1), a collecting assembly (2), a mounting and fixing assembly (3) and a center sleeve (4); a C-shaped hole (402) is formed in the central sleeve (4), the central sleeve (4) is sleeved at the end of the polish rod sealer (7) through the C-shaped hole (402), and a sealing gasket (5) is arranged at the joint of the central sleeve (4) and the polish rod sealer (7); the middle part of the collecting assembly (2) is provided with a C-shaped hole matched with the central sleeve (4) in size; the collecting assembly (2) is sleeved outside the central sleeve (4); the sealing assembly (1) penetrates through the C-shaped hole of the collecting assembly (2) and is attached to one side of the central sleeve (4); the sealing assembly (1) is fixed on the collecting assembly (2) through a fixing bolt; one side of the central sleeve (4) is provided with a liquid drainage hole (401), one end of the liquid drainage hole (401) is communicated with the inner cavity of the collection assembly (2), and the other end of the liquid drainage hole is communicated with a C-shaped hole (402) in the central sleeve (4); the collection assembly (2) is fixed on the polish rod sealer (7) through a mounting and fixing assembly (3).

2. The polish rod sealer leakage collection apparatus of claim 1, wherein said seal assembly (1) comprises a seal core (101), a crimped gland (102), an adjustable pressure plate (103), an O-ring (104), and a seal bolt (105), said seal core (101) being located on one side of said gland (102) and said adjustable pressure plate (103); the gland (102) is positioned at the upper part of the adjustable pressure plate (103); the O-shaped ring (104) is sleeved in the groove of the sealing core (101).

3. The polish rod sealer leaked oil collecting device according to claim 1, wherein a drain port (201) is provided at the bottom of the collecting assembly (2), and a drain valve (202) is installed on the drain port (201).

4. The polish rod sealer leaked oil collecting device according to claim 1, wherein the mounting fixture assembly (3) is a fixture formed by combining two semicircular hoops; the hoop is provided with a threaded hole, one end of the screw rod is fixed on the collecting assembly (2), and the other end of the screw rod penetrates through the threaded hole and is fixed on the mounting and fixing assembly (3).

Images