Pumping well polish rod sealer

Abstract

The utility model discloses a polished rod sealer for a pumping well, which belongs to the technical field of oil exploitation and is technically characterized by comprising an eccentric component, a clamping component, a deflection component and a connecting component. When oil pumping operation is carried out on an oil pumping well, the polish rod needs to be fixed at the moment, the sealer is installed on the oil outlet tee joint of the wellhead device, the polish rod penetrates through the sealer, and at the moment, the polish rod can be connected with the oil outlet tee joint through the eccentric assembly; the eccentric position of the polish rod can be adjusted through the eccentric assembly so that the polish rod can be connected with an oil outlet tee joint, then the polish rod can be limited through the clamping assembly, the deflection position of the polish rod can be adjusted through the deflection assembly, and then the polish rod can be connected with a pipeline of an oil pumping unit through the connecting assembly. And subsequent oil pumping operation can be carried out.

Description

Technical Field

[0001] The utility model belongs to the technical field of petroleum exploitation, and in particular relates to a polished rod sealer for an oil pumping well. Background Art

[0002] In order to prevent blowout when pumping oil with a sucker rod in a pumping well, a sealer must be installed on the oil outlet tee of the wellhead device. The upper part of the rod passing through the sealer is connected to the pumping unit, and the lower part is connected to the sucker rod. In order to ensure sealing with the sealer, the surface of the rod passing through the sealer is processed very smoothly, so it is called a bare rod, and its sealer is also called a bare rod sealer.

[0003] In the prior art, when installing a polished rod sealer, it is usually necessary to adjust the eccentric or skewed position of the polished rod according to the oil outlet tee of the wellhead device and the position of the pumping unit. However, in the prior art, it is mostly inconvenient to fix the polished rod after the adjustment. For this reason, we propose a pumping well polished rod sealer to solve the above-mentioned problem. Utility Model Content

[0004] The utility model aims to provide a polished rod sealer for an oil well pumping well, so as to solve the problems raised in the above-mentioned background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A pumping well polished rod sealer comprises an eccentric assembly, a clamping assembly is arranged on the eccentric assembly, a deflection assembly is arranged on the clamping assembly, and a connecting assembly is arranged on the deflection assembly;

[0007] Wherein, the eccentric assembly includes a base, a connecting piece, an A gasket and an A threaded ring, the base is hollow inside, and the base includes a supporting portion and a mounting portion, the mounting portion is arranged on the supporting portion, the connecting piece is arranged on the mounting portion, the connecting piece is hollow inside, and the inner diameter of the connecting piece is smaller than the inner diameter of the base, the A threaded ring is sleeved on the connecting piece, and the A threaded ring is threadedly connected to the outer surface of the mounting portion; the A gasket is arranged above the connecting piece and connected to the inner wall of the A threaded ring;

[0008] The clamping assembly comprises a hollow part and a bearing part, wherein the bearing part is arranged on the hollow part and a spherical groove is formed on the bearing part;

[0009] The deflection component includes a B threaded ring, a spherical part and an expansion part. The spherical part is arranged in a spherical groove, the expansion part is arranged on the spherical part, the B threaded ring is sleeved on the spherical part, and the B threaded ring is threadedly connected to the outer surface of the bearing part.

[0010] Preferably, the eccentric assembly further comprises an A handle, an A wear-resistant sleeve and an A sealing ring, wherein the A handle is arranged on the A threaded ring, the A wear-resistant sleeve is arranged on the upper inner wall of the connecting piece, and the A sealing ring is arranged on the upper outer surface of the connecting piece.

[0011] Preferably, the hollow part comprises a hollow portion and an annular portion, the annular portion is arranged on the hollow portion, the annular portion is threadedly arranged on the outer surface of the A wear-resistant sleeve, and the bearing member is arranged on the hollow portion.

[0012] Preferably, the clamping assembly also includes a B handle, a rotating shaft, a screw, a clamping piece and a B sealing ring, the clamping piece is slidably arranged in the hollow portion, the screw thread is arranged on the clamping piece, the B sealing ring is arranged on the screw, the rotating shaft is arranged on the screw, a mounting hole is opened on the surface of the hollow portion, the rotating shaft is arranged in the mounting hole, and the B handle is arranged on the rotating shaft.

[0013] Preferably, an arc-shaped structure is provided at one end of the clamping member, and two of the B handle, the rotating shaft, the screw rod, the clamping member and the B sealing ring are provided and are symmetrically arranged.

[0014] Preferably, a C handle is provided on the B threaded ring, and two holes of different diameters are provided at the upper and lower ends of the spherical part, and the two holes are connected, and the diameter of the hole at the upper end of the spherical part is smaller than the diameter of the hole at the lower end of the spherical part.

[0015] Preferably, the connecting assembly includes a C threaded ring, a pipe ring and a B wear-resistant sleeve, the B wear-resistant sleeve is arranged on the expansion piece, the pipe ring is arranged on the B wear-resistant sleeve, the C threaded ring is arranged above the pipe ring, and the C threaded ring is threadedly connected to the outer surface of the expansion piece.

[0016] Preferably, the connecting assembly further comprises a D handle, and the D handle is arranged on the C threaded ring.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] When setting the polished rod, the eccentric position of the polished rod is adjusted through the eccentric assembly, the oil outlet tee of the wellhead device is set inside the base, and the polished rod is set inside the connecting piece. By adjusting the position of the connecting piece, the polished rod can be connected to the oil outlet tee. After that, the A threaded ring can be rotated so that the A gasket presses down the connecting piece, thereby fixing the polished rod. When adjusting the deflected position of the polished rod, it can be achieved by rotating the spherical piece and the expansion piece. After the adjustment is completed, the B threaded ring can be rotated so that the inside of the B threaded ring can squeeze the spherical piece, thereby limiting the spherical piece and fixing the position of the polished rod. The eccentric assembly and the deflection assembly can quickly fix the polished rod after adjusting the eccentric or deflected position of the polished rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural diagram of the utility model;

[0020] Figure 2 It is a cross-sectional view of the utility model;

[0021] Figure 3 It is a partial cross-sectional view of the utility model;

[0022] Figure 4 It is a first partial exploded cross-sectional view of the utility model;

[0023] Figure 5 It is a second partial exploded cross-sectional view of the utility model;

[0024] Figure 6 It is a partially exploded stereogram of the utility model.

[0025] In the figure: 1. eccentric component; 11. base; 111. support part; 112. installation part; 12. connecting piece; 13. A gasket; 14. A threaded ring; 15. A handle; 16. A wear-resistant sleeve; 17. A sealing ring; 2. clamping component; 21. hollow part; 211. hollow part; 212. ring part; 22. B handle; 23. rotating shaft; 24. screw; 25. clamping part; 26. bearing part; 27. B sealing ring; 3. deflection component; 31. B threaded ring; 32. spherical part; 33. C handle; 34. expansion part; 4. connecting component; 41. C threaded ring; 42. D handle; 43. pipe ring; 44. B wear-resistant sleeve. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-Figure 6 The utility model provides a pumping well polished rod sealer, comprising an eccentric component 1, a clamping component 2 is arranged on the eccentric component 1, a deflection component 3 is arranged on the clamping component 2, and a connection component 4 is arranged on the deflection component 3;

[0028] The eccentric assembly 1 includes a base 11, a connecting member 12, an A gasket 13 and an A threaded ring 14. The base 11 is hollow inside, and the base 11 includes a supporting portion 111 and a mounting portion 112. The mounting portion 112 is arranged on the supporting portion 111, and the connecting member 12 is arranged on the mounting portion 112. The connecting member 12 is hollow inside, and the inner diameter of the connecting member 12 is smaller than the inner diameter of the base 11. The A threaded ring 14 is sleeved on the connecting member 12, and the A threaded ring 14 is threadedly connected to the outer surface of the mounting portion 112; the A gasket 13 is arranged above the connecting member 12 and connected to the inner wall of the A threaded ring 14;

[0029] The clamping assembly 2 includes a hollow member 21 and a bearing member 26. The bearing member 26 is disposed on the hollow member 21 and has a spherical groove.

[0030] The deflection assembly 3 includes a B threaded ring 31 , a spherical member 32 and an expansion member 34 . The spherical member 32 is disposed in the spherical groove, the expansion member 34 is disposed on the spherical member 32 , the B threaded ring 31 is sleeved on the spherical member 32 , and the B threaded ring 31 is threadedly connected to the outer surface of the bearing member 26 .

[0031] Specifically, when installing the polished rod, the base 11 can be connected to the oil outlet tee of the wellhead device first, and then the connector 12 can be connected to the polished rod, and the connector 12 can be set on the mounting portion 112. At this time, the A threaded ring 14 can be rotated to drive the A gasket 13 to move downward, and then the connector 12 can be pressed down by the A gasket 13, so that the connector 12 and the polished rod can be stably set, and because the internal diameter of the connector 12 is smaller than the internal diameter of the base 11, the position of the connector 12 and the polished rod can be changed according to the position of the oil outlet tee when setting. Then the connector 12 is limited, so that the polished rod can be stably connected to the oil outlet tee. When the deflected position of the polished rod is adjusted later, it can be achieved by rotating the expansion member 34. Since the expansion member 34 is connected to the spherical member 32, and the spherical member 32 is set on the bearing member 26, and the B threaded ring 31 is set on the surface of the spherical member 32, the deflected position of the polished rod can be changed by rotating the expansion member 34. After the adjustment is completed, the B threaded ring 31 can be rotated so that the B threaded ring 31 can press down the spherical member 32, so that the spherical member 32 and the polished rod can be stably arranged.

[0032] In this embodiment, the eccentric assembly 1 also includes an A handle 15, an A wear-resistant sleeve 16 and an A sealing ring 17. The A handle 15 is arranged on the A threaded ring 14, the A wear-resistant sleeve 16 is arranged on the upper inner wall of the connecting member 12, and the A sealing ring 17 is arranged on the upper outer surface of the connecting member 12.

[0033] Specifically, when in use, a handle A 15 may be provided on the threaded ring A 14 to facilitate the rotation of the threaded ring A 14 , and a sealing ring A 17 may be provided on the connector 12 to avoid leakage of crude oil during transportation, and a wear-resistant sleeve A 16 may be provided in the connector 12 to avoid direct contact and friction between the bare rod and the connector 12 , thereby increasing the service life of both.

[0034] In this embodiment, the hollow member 21 includes a hollow portion 211 and an annular portion 212 . The annular portion 212 is disposed on the hollow portion 211 . The annular portion 212 is threadedly disposed on the outer surface of the A wear-resistant sleeve 16 . The bearing member 26 is disposed on the hollow portion 211 .

[0035] Specifically, when in use, the annular portion 212 may be provided on the hollow portion 211 , and the annular portion 212 and the connecting member 12 may be threadedly connected so that the two may be stably arranged.

[0036] In this embodiment, the clamping assembly 2 also includes a B handle 22, a rotating shaft 23, a screw 24, a clamping member 25 and a B sealing ring 27. The clamping member 25 is slidably arranged in the hollow portion 211, the screw 24 is threadedly arranged on the clamping member 25, the B sealing ring 27 is arranged on the screw 24, the rotating shaft 23 is arranged on the screw 24, a mounting hole is opened on the surface of the hollow portion 211, the rotating shaft 23 is arranged in the mounting hole, and the B handle 22 is arranged on the rotating shaft 23.

[0037] Specifically, in order to enable the bare rod to be stably arranged during use, a clamping member 25 is arranged in the hollow portion 211, and a screw 24 is threadedly arranged on the clamping member 25, and a rotating shaft 23 is designed on the screw 24. At this time, the rotating shaft 23 can be rotated to drive the screw 24 to rotate, and then the clamping member 25 can be controlled to move, and a B sealing ring 27 is arranged on the screw 24 to prevent crude oil from leaking from the connection gap.

[0038] In this embodiment, an arc-shaped structure is provided at one end of the clamping member 25 , and two B handles 22 , rotating shafts 23 , screws 24 , clamping members 25 and B sealing rings 27 are provided, and are symmetrically arranged.

[0039] Specifically, by providing two sets of the above structures, the polished rod can be clamped by two clamping members 25, and the clamping force can be controlled by rotating the rotating shaft 23, so that the polished rod can be stably arranged.

[0040] In this embodiment, a C handle 33 is provided on the B threaded ring 31 , and two holes of different diameters are provided at the upper and lower ends of the spherical member 32 , and the two holes are connected, and the diameter of the hole at the upper end of the spherical member 32 is smaller than the diameter of the hole at the lower end of the spherical member 32 .

[0041] Specifically, during use, since the optical rod is usually fixed on the connecting member 12, and the optical rod needs to be rotated when adjusting the skew position of the optical rod, two optical rods of different diameters can be set on the spherical member 32. The skew position of the optical rod can be adjusted by rotating the spherical member 32 without affecting the connection between the optical rod and the connecting member 12. At this time, two holes are opened on the spherical member 32, and the two optical rods are respectively set in the two holes, so that the eccentricity and skewness of the optical rod can be adjusted.

[0042] In this embodiment, the connecting component 4 includes a C threaded ring 41, a pipe ring 43 and a B wear-resistant sleeve 44, the B wear-resistant sleeve 44 is arranged on the expansion piece 34, the pipe ring 43 is arranged on the B wear-resistant sleeve 44, the C threaded ring 41 is arranged above the pipe ring 43, and the C threaded ring 41 is threadedly connected to the outer surface of the expansion piece 34; the connecting component 4 also includes a D handle 42, and the D handle 42 is arranged on the C threaded ring 41.

[0043] Specifically, during specific use, in order to enable the pipeline of the oil pump to be connected to the device, a connecting component 4 can be set on the deflection component 3, and in order to avoid excessive friction between the bare rod and the expansion piece 34, a B wear-resistant sleeve 44 is set on the expansion piece 34, and a pipeline ring 43 is set on the B wear-resistant sleeve 44. By connecting the pipeline of the oil pump to the pipeline ring 43, and the pipeline ring 43 can be stably set by the C threaded ring 41, and when in use, the C threaded ring 41 can be rotated to press down the pipeline ring 43, so that the pipeline ring 43 and the oil pump pipeline can be stably connected, and the D handle 42 can be set during rotation for convenient rotation.

[0044] The working principle and use process of the utility model are as follows: when the oil well is pumping oil, the polished rod needs to be fixed, a sealer is installed on the oil outlet tee of the wellhead device, and the polished rod is passed through the sealer. At this time, the polished rod can be connected to the oil outlet tee through the eccentric component 1, and when in use, the eccentric position of the polished rod can be adjusted through the eccentric component 1 so that the polished rod can be connected to the oil outlet tee. Afterwards, the polished rod can be limited by the clamping component 2, and the deflected position of the polished rod can be adjusted by the deflection component 3. Afterwards, the polished rod can be connected to the pipeline of the oil pumping unit through the connecting component 4, and then subsequent oil pumping operations can be carried out.

[0045] The electronic components and modules used in the content of this utility model can all be parts commonly used in the market that can realize the specific functions in this case, and the specific models and sizes can be selected and adjusted according to actual needs.

[0046] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A polished rod sealer for an oil well, characterized in that: It comprises an eccentric component (1), a clamping component (2) is arranged on the eccentric component (1), a deflection component (3) is arranged on the clamping component (2), and a connection component (4) is arranged on the deflection component (3); The eccentric assembly (1) comprises a base (11), a connecting piece (12), an A gasket (13) and an A threaded ring (14); the base (11) is hollow inside, and the base (11) comprises a supporting portion (111) and a mounting portion (112); the mounting portion (112) is arranged on the supporting portion (111); the connecting piece (12) is arranged on the mounting portion (112); the connecting piece (12) is hollow inside, and the internal diameter of the connecting piece (12) is smaller than the internal diameter of the base (11); the A threaded ring (14) is sleeved on the connecting piece (12), and the A threaded ring (14) is threadedly connected to the outer surface of the mounting portion (112); the A gasket (13) is arranged above the connecting piece (12) and is connected to the inner wall of the A threaded ring (14); The clamping assembly (2) comprises a hollow member (21) and a bearing member (26); the bearing member (26) is arranged on the hollow member (21); and a spherical groove is formed on the bearing member (26); The deflection assembly (3) comprises a B threaded ring (31), a spherical member (32) and an expansion member (34); the spherical member (32) is arranged in a spherical groove; the expansion member (34) is arranged on the spherical member (32); the B threaded ring (31) is sleeved on the spherical member (32); and the B threaded ring (31) is threadedly connected to the outer surface of the bearing member (26).

2. The oil well polished rod sealer according to claim 1, characterized in that: The eccentric assembly (1) further comprises an A handle (15), an A wear-resistant sleeve (16) and an A sealing ring (17), wherein the A handle (15) is arranged on the A threaded ring (14), the A wear-resistant sleeve (16) is arranged on the upper inner wall of the connecting piece (12), and the A sealing ring (17) is arranged on the upper outer surface of the connecting piece (12).

3. The oil well polished rod sealer according to claim 2, characterized in that: The hollow member (21) comprises a hollow portion (211) and an annular portion (212); the annular portion (212) is arranged on the hollow portion (211); the annular portion (212) is threadedly arranged on the outer surface of the A wear-resistant sleeve (16); and the bearing member (26) is arranged on the hollow portion (211).

4. The oil well polished rod sealer according to claim 1, characterized in that: The clamping assembly (2) further comprises a B handle (22), a rotating shaft (23), a screw (24), a clamping member (25) and a B sealing ring (27); the clamping member (25) is slidably arranged in the hollow portion (211); the screw (24) is threadedly arranged on the clamping member (25); the B sealing ring (27) is arranged on the screw (24); the rotating shaft (23) is arranged on the screw (24); a mounting hole is opened on the surface of the hollow portion (211); the rotating shaft (23) is arranged in the mounting hole; and the B handle (22) is arranged on the rotating shaft (23).

5. The oil pumping well polished rod sealer according to claim 4, characterized in that: An arc-shaped structure is provided at one end of the clamping member (25), and two of each of the B handle (22), the rotating shaft (23), the screw rod (24), the clamping member (25) and the B sealing ring (27) are symmetrically arranged.

6. The oil well polished rod sealer according to claim 1, characterized in that: The B threaded ring (31) is provided with a C handle (33), and the upper and lower ends of the spherical member (32) are provided with two holes of different diameters, and the two holes are connected, and the diameter of the hole at the upper end of the spherical member (32) is smaller than the diameter of the hole at the lower end of the spherical member (32).

7. The oil well polished rod sealer according to claim 1, characterized in that: The connection assembly (4) comprises a C threaded ring (41), a pipe ring (43) and a B wear-resistant sleeve (44); the B wear-resistant sleeve (44) is arranged on the expansion piece (34); the pipe ring (43) is arranged on the B wear-resistant sleeve (44); the C threaded ring (41) is arranged above the pipe ring (43); and the C threaded ring (41) is threadedly connected to the outer surface of the expansion piece (34).

8. The oil well polished rod sealer according to claim 7, characterized in that: The connection assembly (4) further comprises a D handle (42), wherein the D handle (42) is arranged on the C threaded ring (41).

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