CN219492225U - Wear-resistant and corrosion-resistant device for pumping unit wellhead - Google Patents

Wear-resistant and corrosion-resistant device for pumping unit wellhead Download PDF

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Publication number
CN219492225U
CN219492225U CN202320557694.3U CN202320557694U CN219492225U CN 219492225 U CN219492225 U CN 219492225U CN 202320557694 U CN202320557694 U CN 202320557694U CN 219492225 U CN219492225 U CN 219492225U
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wear
sucker rod
rod
wellhead
oil
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李博
李学银
吴飞龙
高兴明
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment
    • Y02A20/204Keeping clear the surface of open water from oil spills

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Abstract

The utility model relates to the technical field of pumping unit wellheads and discloses a wear-resistant and corrosion-resistant device for a pumping unit wellhead, which comprises a pumping rod and a wear-resistant mechanism, wherein the wear-resistant mechanism is movably sleeved at the central position inside the pumping rod, the wear-resistant mechanism comprises a lifting unit and a buffer unit, the lifting unit and the buffer unit are arranged on the periphery of the inner wall of the wear-resistant mechanism, an oil pump is fixedly arranged on the bottom surface of a butt joint pipe, an oil guide pipe is arranged at the central position inside the pumping rod, and an oil outlet is formed in one side of the top surface of the pumping rod. The sucker rod provided by the utility model can avoid direct contact between the sucker rod and the periphery of the inner wall of the wellhead under the lifting movement of the sliding plate, so that the problems of angle inclination and abrasion caused by long-time friction contact between the sucker rod and the inner wall of the wellhead are avoided, the wear resistance of the sucker rod is effectively improved, and meanwhile, the anti-corrosion effect of the sucker rod subjected to anti-corrosion treatment on petroleum can be improved, and the service life of the sucker rod is prolonged.

Description

Wear-resistant and corrosion-resistant device for pumping unit wellhead
Technical Field
The utility model relates to the technical field of pumping unit wellheads, in particular to a wear-resistant and corrosion-resistant device for a pumping unit wellhead.
Background
The pumping unit is a machine equipment for exploiting petroleum, commonly called as "kowtow machine", and makes petroleum go out of well by means of pressurization. When the oil pumping unit is in an upstroke, the oil pipe elastically contracts and moves upwards to drive the mechanical blocking removal oil extractor to move upwards, and the oil pipe impacts the sliding sleeve to generate vibration; meanwhile, the forward check valve is closed, when the reducing piston assembly blocks oil in the downstroke of the pumping unit, the oil pipe stretches elastically and moves downwards to drive the mechanical blocking removal oil extractor to move downwards, and the sliding sleeve is impacted to generate vibration; meanwhile, the reverse check valve is partially closed, the reducing piston assembly still seals the annular oil duct of the oil jacket, so that a high-pressure area is formed in the area below the reverse check valve, and the movement generates a reverse impact force on the oil flow channel in the stratum.
At present, the problem that the abrasion can occur on the periphery of the inner wall of the wellhead of the existing pumping unit under the long-time friction of the pumping rod, the problem that the pumping rod is inclined at an angle during lifting movement is easily caused, and the problem of petroleum leakage is caused, so that improvement is needed.
Disclosure of Invention
The utility model aims to provide a wear-resistant and corrosion-resistant device for a wellhead of an oil pumping unit, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a wear-resisting corrosion-resistant device for pumping unit well head, includes sucker rod and wear-resisting mechanism, wear-resisting mechanism activity cup joints in the inside central point of sucker rod puts, wear-resisting mechanism includes elevating unit and buffer unit, just elevating unit and buffer unit all set up around wear-resisting mechanism inner wall.
Preferably, the lifting unit comprises a sliding plate, the sliding groove is formed around the inner wall of the wear-resisting mechanism, and the sliding plate is connected to the surface of the sliding groove in a sliding manner.
Preferably, the buffer unit includes buffer spring rods disposed on upper and lower sides of the surface of the sliding groove.
Preferably, the sucker rod comprises a top cover, a hanging buckle, a butt joint pipe, an oil pump, a sucker pipe and an oil guide pipe, wherein the top cover is fixedly arranged on the top surface of the sucker rod, the hanging buckle is arranged on the top surface of the top cover, the butt joint pipe is telescopically sleeved on the bottom surface of the sucker rod, the oil pump is fixedly arranged on the bottom surface of the butt joint pipe, the oil guide pipe is arranged at the central position inside the sucker rod, the oil outlet is formed in one side of the top surface of the sucker rod, and the arranged oil outlet is convenient for effectively and rapidly discharging oil extracted from the sucker rod.
Preferably, the sliding plate evenly and symmetrically distributes on the surface of the sliding groove, one side of the surface of the sliding plate is fixedly connected with the periphery of the outer surface of the sucker rod, the sucker rod moves up and down on the surface of the sliding groove through the sliding plate, the sliding plate can replace the sucker rod to directly contact with the periphery of the inner wall of the wellhead, the wear resistance of the sucker rod is improved, the sliding plate slides up and down on the surface of the sliding groove and is movably contacted with the buffering spring rod, the effect of buffering impact force can be achieved, the problem that the surface of the sucker rod is damaged due to overlarge impact force is avoided, and a certain buffering protection effect is achieved.
Preferably, one side of the surface of the buffer spring rod is movably contacted with one side of the surface of the sliding plate, and the surfaces of the sucker rod and the buffer spring rod are subjected to corrosion prevention treatment, the sucker rod is prevented from being directly contacted with the periphery of the inner wall of the wellhead under the lifting movement of the sliding plate, the problem that the sucker rod is inclined and worn due to friction contact with the inner wall of the wellhead for a long time is avoided, the wear resistance of the sucker rod is effectively improved, and meanwhile, the corrosion resistance effect of the sucker rod subjected to corrosion prevention treatment on petroleum can be improved, so that the service life of the sucker rod is prolonged.
Preferably, the diameter size of the butt joint pipe is smaller than that of the sucker rod, the sucker rod is in lifting sleeve joint with the butt joint pipe through lifting motion, after the oil pump is started, oil is pumped out of the ground through the oil pumping pipe and is transmitted to the inside of the butt joint pipe, when the sucker rod and the butt joint pipe are in lifting sleeve joint, the generated pressure can enable the oil to be suitable for being transmitted to the inside of the sucker rod from the position of the butt joint pipe, meanwhile leakage of the oil from the position of the butt joint pipe in the transmission process is avoided, and normal extraction of the oil is guaranteed.
The utility model provides a wear-resistant and corrosion-resistant device for a pumping unit wellhead, which comprises the following components
The beneficial effects are that:
(1) According to the utility model, the sliding plate can replace the sucker rod to directly contact with the periphery of the inner wall of the wellhead, so that the wear resistance of the sucker rod is improved, and meanwhile, the sliding plate can slide up and down on the surface of the sliding groove and movably contact with the buffer spring rod, so that the effect of buffering impact force can be achieved, the problem of damage to the surface of the sucker rod caused by overlarge impact force is avoided, and a certain buffer protection effect is realized.
(2) According to the utility model, the sucker rod is prevented from directly contacting the periphery of the inner wall of the wellhead under the lifting movement of the sliding plate, so that the problems of angle inclination and abrasion caused by the friction contact of the sucker rod with the inner wall of the wellhead for a long time are avoided, the wear resistance of the sucker rod is effectively improved, and meanwhile, the anti-corrosion effect on petroleum can be improved by the sucker rod subjected to anti-corrosion treatment, so that the service life of the sucker rod is prolonged.
(3) According to the utility model, after the oil pump is started, the oil pumping pipe pumps oil from the ground and transmits the oil to the inside of the butt joint pipe, and when the sucker rod and the butt joint pipe are in lifting and sleeving, the generated pressure can enable the oil to be suitable for being transmitted from the position of the butt joint pipe to the inside of the sucker rod, meanwhile, the leakage of the oil from the position of the butt joint pipe in the transmission process is avoided, and the normal pumping of the oil is ensured.
Drawings
FIG. 1 is a schematic surface view of a front overall structure of the present utility model;
FIG. 2 is a schematic top view of the overall structure of the present utility model;
FIG. 3 is a schematic view of the interior of the wear mechanism in a top view of the present utility model;
fig. 4 is a schematic view of the inside of the structure of the wear-resistant mechanism in the front of the present utility model.
In the figure: 1. a sucker rod; 101. a top cover; 102. hanging buckle; 103. an oil outlet; 104. a butt joint pipe; 105. an oil pump; 106. an oil pumping pipe; 107. an oil guide pipe; 2. a wear-resistant mechanism; 201. a sliding plate; 202. a sliding groove; 203. and a buffer spring rod.
Detailed Description
The utility model provides the following technical scheme:
embodiment one:
as shown in fig. 3-4, a wear-resistant and corrosion-resistant device for a pumping unit wellhead comprises a pumping rod 1 and a wear-resistant mechanism 2, wherein the wear-resistant mechanism 2 is movably sleeved at the central position inside the pumping rod 1, the wear-resistant mechanism 2 comprises a lifting unit and a buffer unit, and the lifting unit and the buffer unit are both arranged around the inner wall of the wear-resistant mechanism 2.
The lifting unit comprises a sliding plate 201, a sliding groove 202 is formed around the inner wall of the wear-resisting mechanism 2, and the sliding plate 201 is connected to the surface of the sliding groove 202 in a sliding manner.
The damper unit includes damper spring rods 203, and the damper spring rods 203 are disposed on both upper and lower sides of the surface of the slide groove 202.
The sucker rod 1 comprises a top cover 101, a hanging buckle 102, a butt joint pipe 104, an oil pump 105, a sucker pipe 106 and an oil guide pipe 107, wherein the top cover 101 is fixedly arranged on the top surface of the sucker rod 1, the hanging buckle 102 is arranged on the top surface of the top cover 101, the butt joint pipe 104 is telescopically sleeved on the bottom surface of the sucker rod 1, the oil pump 105 is fixedly arranged on the bottom surface of the butt joint pipe 104, the oil guide pipe 107 is arranged at the central position inside the sucker rod 1, and the oil outlet 103 is arranged on one side of the top surface of the sucker rod 1.
Through after the oil-well pump 105 starts, the oil pipe 106 draws oil from the bottom of the earth and transmits to inside the butt joint pipe 104, when sucker rod 1 and butt joint pipe 104 go up and down to cup joint, the pressure that produces can make and be suitable for transmitting to inside sucker rod 1 from butt joint pipe 104 position, also avoid the oil to leak from butt joint pipe 104 position in the transmission process simultaneously, guarantee the normal extraction to the oil, sucker rod 1 that sets up can avoid sucker rod 1 direct and well head inner wall direct contact all around under the elevating movement of sliding plate 201, avoid sucker rod 1 to produce the problem of angle slope and wearing and tearing at long-time and well head inner wall friction contact, effectively improve the wear resistance of sucker rod 1, the corrosion-resistant effect to the oil can be improved to sucker rod 1 doing anti-corrosion treatment simultaneously, reach the life who improves sucker rod 1.
Embodiment two:
as shown in fig. 1-2, a wear-resistant and corrosion-resistant device for a pumping unit wellhead comprises a pumping rod 1 and a wear-resistant mechanism 2, wherein the wear-resistant mechanism 2 is movably sleeved at the central position inside the pumping rod 1, the wear-resistant mechanism 2 comprises a lifting unit and a buffer unit, and the lifting unit and the buffer unit are both arranged around the inner wall of the wear-resistant mechanism 2.
The lifting unit comprises a sliding plate 201, a sliding groove 202 is formed around the inner wall of the wear-resisting mechanism 2, and the sliding plate 201 is connected to the surface of the sliding groove 202 in a sliding manner.
The damper unit includes damper spring rods 203, and the damper spring rods 203 are disposed on both upper and lower sides of the surface of the slide groove 202.
The sucker rod 1 comprises a top cover 101, a hanging buckle 102, a butt joint pipe 104, an oil pump 105, a sucker pipe 106 and an oil guide pipe 107, wherein the top cover 101 is fixedly arranged on the top surface of the sucker rod 1, the hanging buckle 102 is arranged on the top surface of the top cover 101, the butt joint pipe 104 is telescopically sleeved on the bottom surface of the sucker rod 1, the oil pump 105 is fixedly arranged on the bottom surface of the butt joint pipe 104, the oil guide pipe 107 is arranged at the central position inside the sucker rod 1, and the oil outlet 103 is arranged on one side of the top surface of the sucker rod 1.
The sliding plate 201 can replace the sucker rod 1 to directly contact with the periphery of the inner wall of the wellhead, so that the wear resistance of the sucker rod 1 is improved, meanwhile, the sliding plate 201 slides up and down on the surface of the sliding groove 202 and is movably contacted with the buffer spring rod 203, the effect of buffering impact force can be achieved, the problem that the surface of the sucker rod 1 is damaged due to overlarge impact force is avoided, and a certain buffer protection effect is achieved.
When the oil pump 105 is started, oil is pumped out from the ground through the oil pumping pipe 106 and is transmitted into the butt joint pipe 104, when the sucker rod 1 and the butt joint pipe 104 are lifted and sleeved, the generated pressure can enable the oil to be suitable for being transmitted into the sucker rod 1 from the position of the butt joint pipe 104, meanwhile, leakage of the oil from the position of the butt joint pipe 104 in the transmission process is avoided, normal oil pumping is guaranteed, the sucker rod 1 is arranged under the lifting movement of the sliding plate 201, the direct contact of the sucker rod 1 with the periphery of the inner wall of a wellhead can be avoided, the problem that the sucker rod 1 is inclined and worn due to friction contact with the inner wall of the wellhead for a long time is effectively solved, the wear resistance of the sucker rod 1 is effectively improved, meanwhile, the corrosion resistance effect on the oil is improved by the sucker rod 1 subjected to anti-corrosion treatment, the service life of the sucker rod 1 is prolonged, the sliding plate 201 can replace the sucker rod 1 to be directly contacted with the periphery of the inner wall of the wellhead, the wear resistance of the sucker rod 1 is improved, the sliding plate 201 slides up and down on the surface of the sliding groove 202, the sliding plate 201 is movably contacted with the arranged buffer spring rod 203, the buffer spring 203 can play a role in buffering impact force, the effect is avoided, and the problem of damaging the surface of the sucker rod 1 is prevented.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims (7)

1. The utility model provides a wear-resisting corrosion-resistant device for pumping unit well head, includes sucker rod (1) and wear-resisting mechanism (2), its characterized in that: the wear-resisting mechanism (2) is movably sleeved at the central position inside the sucker rod (1), the wear-resisting mechanism (2) comprises a lifting unit and a buffer unit, and the lifting unit and the buffer unit are all arranged around the inner wall of the wear-resisting mechanism (2).
2. The wear and corrosion resistant device for a pumping unit wellhead of claim 1, wherein: the lifting unit comprises a sliding plate (201), a sliding groove (202) is formed in the periphery of the inner wall of the wear-resisting mechanism (2), and the sliding plate (201) is connected to the surface of the sliding groove (202) in a sliding mode.
3. The wear and corrosion resistant device for a pumping unit wellhead of claim 1, wherein: the buffer unit comprises buffer spring rods (203), and the buffer spring rods (203) are arranged on the upper side and the lower side of the surface of the sliding groove (202).
4. The wear and corrosion resistant device for a pumping unit wellhead of claim 1, wherein: the sucker rod (1) comprises a top cover (101), a hanging buckle (102), a butt joint pipe (104), an oil pump (105), a sucker tube (106) and an oil guide pipe (107), wherein the top cover (101) is fixedly installed on the top surface of the sucker rod (1), the hanging buckle (102) is arranged on the top surface of the top cover (101), the butt joint pipe (104) is telescopically sleeved on the bottom surface of the sucker rod (1), the oil pump (105) is fixedly installed on the bottom surface of the butt joint pipe (104), the oil guide pipe (107) is arranged at the inner central position of the sucker rod (1), and the oil outlet (103) is arranged on one side of the top surface of the sucker rod (1).
5. The wear and corrosion resistant device for a pumping unit wellhead according to claim 2, wherein: the sliding plates (201) are uniformly and symmetrically distributed on the surface of the sliding groove (202), one side of the surface of the sliding plate (201) is fixedly connected with the periphery of the outer surface of the sucker rod (1), and the sucker rod (1) moves up and down on the surface of the sliding groove (202) through the arranged sliding plates (201).
6. A wear and corrosion resistant apparatus for a pumping unit wellhead as defined in claim 3, wherein: and one side of the surface of the buffer spring rod (203) is movably contacted with one side of the surface of the sliding plate (201), and the surfaces of the sucker rod (1) and the buffer spring rod (203) are subjected to corrosion-resistant treatment.
7. The wear and corrosion resistant device for a pumping unit wellhead as defined in claim 4, wherein: the diameter size of the butt joint pipe (104) is smaller than that of the sucker rod (1), and the sucker rod (1) is sleeved with the butt joint pipe (104) in a lifting manner through lifting movement.
CN202320557694.3U 2023-03-21 2023-03-21 Wear-resistant and corrosion-resistant device for pumping unit wellhead Active CN219492225U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320557694.3U CN219492225U (en) 2023-03-21 2023-03-21 Wear-resistant and corrosion-resistant device for pumping unit wellhead

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320557694.3U CN219492225U (en) 2023-03-21 2023-03-21 Wear-resistant and corrosion-resistant device for pumping unit wellhead

Publications (1)

Publication Number Publication Date
CN219492225U true CN219492225U (en) 2023-08-08

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ID=87504674

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320557694.3U Active CN219492225U (en) 2023-03-21 2023-03-21 Wear-resistant and corrosion-resistant device for pumping unit wellhead

Country Status (1)

Country Link
CN (1) CN219492225U (en)

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