CN212296304U

CN212296304U - Adjustable pressure control device for oil extraction tree at wellhead of oil pumping unit

Info

Publication number: CN212296304U
Application number: CN202020508979.4U
Authority: CN
Inventors: 耿智雨; 付卜丹
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-09
Filing date: 2020-04-09
Publication date: 2021-01-05
Anticipated expiration: 2030-04-09

Abstract

The utility model discloses a pressure control device with adjustable beam-pumping unit well head christmas tree is used, pressure control device body on christmas tree and christmas tree, the pressure control device body includes the valve of being connected through pipeline and the left side upper portion port of christmas tree, the last tee bend of being connected with the valve, the check valve of being connected with last tee bend, the manometer of being connected with the check valve down tee bend and tee bend connection down, and the tee bend passes through the left side lower part port connection of pipeline and christmas tree down, be provided with protection machanism on the manometer, protection machanism is including setting up the extension board in the manometer both sides. The utility model relates to a rationally, convenient to use can shelter from the protection to the manometer, reduces and damages the risk, and the quick assembly disassembly of being convenient for takes off apron and transparent plastic baffle and exposes the manometer, makes things convenient for the follow-up maintenance work to the manometer of personnel, is favorable to using.

Description

Adjustable pressure control device for oil extraction tree at wellhead of oil pumping unit

Technical Field

The utility model relates to a pressure control equipment technical field with adjustable especially relates to a pressure control device with adjustable beam-pumping unit well head production tree is used.

Background

The Christmas tree is a wellhead device for exploiting petroleum such as a self-blowing well, a mechanical oil production well and the like, is main equipment for controlling and adjusting oil and gas production at the uppermost part of an oil and gas well, and mainly comprises a casing head, a tubing head and a Christmas tree body; the authorization notice number CN203925391U discloses a Christmas tree constant pressure relief circulating device, which relates to a matched accessory tool of a mechanical production wellhead Christmas tree, and comprises a Christmas tree, an upper transverse pipe, a lower transverse pipe and a connecting pipe, wherein the upper part of the Christmas tree is transversely communicated with the upper transverse pipe, and the lower part of the Christmas tree is transversely connected with the lower transverse pipe; in oil production, oil well maintenance operations such as cyclic gas release, cyclic well flushing and the like are convenient to perform, and the device has the advantages of automatically releasing the pressure of a casing pipe at a constant pressure and improving a pump; the device has the characteristics of convenience in installation, flexibility in control, safety and reliability in work, low failure rate, adjustable starting pressure, flexibility in opening and closing, prolonged service life of the pump, prolonged pump inspection period of an oil well and reduced oil extraction cost.

The above patent can flexibly set working pressure or pressure-out through the switch valve according to actual needs in crude oil production by matching the switch valve, the one-way valve and the pressure gauge, can realize automatic switching of the one-way valve and closed deflation and pressure relief by means of casing pressure, and reduces the casing pressure to a preset pressure, thereby achieving the purpose of realizing adjustable pressure; but it still has some not enoughly, and it is not convenient for protect the manometer, and it is easy to touch because of outside mistake and cause the manometer to damage in the use, leads to unable accurate demonstration pressure data, can bring inconvenience for follow-up adjustment pressure, improves to this phenomenon, therefore we have proposed the adjustable pressure control device that oil pumping unit well head production tree used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an adjustable pressure control device for a wellhead Christmas tree of a pumping unit.

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

the adjustable pressure control device for the Christmas tree at the wellhead of the oil pumping unit comprises the Christmas tree and a pressure control device body on the Christmas tree, wherein the pressure control device body comprises a valve connected with an upper port on the left side of the Christmas tree through a pipeline, an upper tee joint connected with the valve, a check valve connected with the upper tee joint, a lower tee joint connected with the check valve and a pressure gauge connected with the lower tee joint, the lower tee joint is connected with a lower port on the left side of the Christmas tree through a pipeline, the pressure gauge is provided with a protection mechanism, the protection mechanism comprises support plates arranged on two sides of the pressure gauge, one side, away from the other support plate, of one of the two support plates is fixedly connected with the top of the lower tee joint, the rear sides of the two support plates are fixedly connected with the same rear baffle plate, the top of the two support plates is in movable contact with the same cover plate, and one side, the two rectangular chutes are movably sleeved with the same transparent plastic baffle, the top of the transparent plastic baffle is fixedly connected with the bottom of the cover plate, the pressure gauge is positioned at the rear side of the transparent plastic baffle, the two sides of the bottom of the cover plate are both provided with rectangular clamping grooves, clamping rings are movably inserted in the rectangular clamping grooves, the bottom of the cover plate is provided with a groove, the inner walls of the two sides of the groove are fixedly connected with the same positioning rod, the positioning rod is slidably sleeved with two L-shaped clamping rods, the two L-shaped clamping rods are symmetrically arranged, the ends of the two L-shaped clamping rods, which are far away from each other, respectively extend into the corresponding clamping rings, the inner wall of one side, which is close to each other, of the two L-shaped clamping rods is respectively fixedly connected with the same spring between the inner walls of the two sides of the groove, the spring is movably sleeved on the positioning rod, the top of one side of the L-shaped clamping rod close to the winding shaft is fixedly connected with the same pull rope between the winding shaft and the top of the L-shaped clamping rod.

Preferably, the front inner wall and the rear inner wall of the rectangular clamping groove are respectively in movable contact with the front side and the rear side of the corresponding clamping ring.

Preferably, the inner wall of one side, which is close to each other, of the two L-shaped clamping rods is provided with a first round hole, and the side wall of the first round hole is connected with the outer side of the positioning rod in a sliding manner.

Preferably, the inner wall of one side, close to each other, of the two rectangular clamping grooves is provided with a second round hole, and the side wall of the second round hole is connected with the outer side of the corresponding L-shaped clamping rod in a sliding mode.

Preferably, a third circular hole is formed in the inner wall of the top of the groove, a bearing is fixedly sleeved in the third circular hole, and the inner side of an inner ring of the bearing is fixedly connected with the outer side of the winding shaft.

Preferably, the inner side of the snap ring is movably contacted with the outer side of the corresponding L-shaped clamping rod.

Compared with the prior art, the beneficial effects of the utility model are that:

the pressure gauge can be shielded and protected by matching a lower tee joint, a clip handle, a pressure gauge, a valve, a cover plate, rectangular chutes, a transparent plastic baffle plate, a rectangular clamping groove, clamping rings, positioning rods, L-shaped clamping rods, a winding shaft, pulling ropes, a rear baffle plate and a spring with a support plate, the clip handle is rotated forward to drive the winding shaft to wind the two pulling ropes, the two pulling ropes drive the two L-shaped clamping rods to move towards the directions close to each other and separate from the two clamping rings under the winding force, the L-shaped clamping rods slide on the positioning rods and stretch the spring, the clip handle can be pulled upwards at the moment, the clip handle drives the cover plate to separate from the two clamping rings upwards through the winding shaft, the cover plate drives the transparent plastic baffle plate to slide out of the two rectangular chutes upwards, the pressure gauge is exposed to be convenient for maintenance by personnel, the clip handle is rotated firstly when the pressure gauge is installed, then the cover plate is moved downwards to drive, the apron drives in the transparent plastic baffle inserts two rectangle spouts downwards, loosens the turning force to returning the shape handle this moment, and two springs that are in tensile state at this moment reset and drive two L shape kellies and insert two snap rings to the direction of keeping away from each other in, and the installation is accomplished and can be protected the manometer once more.

The utility model relates to a rationally, convenient to use can shelter from the protection to the manometer, reduces and damages the risk, and the quick assembly disassembly of being convenient for takes off apron and transparent plastic baffle and exposes the manometer, makes things convenient for the follow-up maintenance work to the manometer of personnel, is favorable to using.

Drawings

Fig. 1 is a schematic structural diagram of an adjustable pressure control device for a christmas tree at a wellhead of an oil pumping unit according to the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is a schematic sectional view of part A of FIG. 1;

fig. 4 is the utility model provides a pressure control device's snap ring with adjustable beam-pumping unit well head production tree is used looks sideways at the schematic diagram.

In the figure: the device comprises a lower tee joint 1, a 2-turn handle, a 3-pressure gauge, a 4-valve, a 5-cover plate, a 6-rectangular sliding chute, a 7-transparent plastic baffle, an 8-rectangular clamping groove, a 9-snap ring, a 10-positioning rod, an 11L-shaped clamping rod, a 12-winding shaft, a 13-pull rope, a 14-rear baffle, a 15-spring and a 16-support plate.

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.

Referring to fig. 1-4, the adjustable pressure control device for a Christmas tree at a wellhead of an oil pumping unit comprises the Christmas tree and a pressure control device body on the Christmas tree, wherein the pressure control device body comprises a valve 4 connected with an upper port on the left side of the Christmas tree through a pipeline, an upper tee connected with the valve 4, a check valve connected with the upper tee, a lower tee 1 connected with the check valve and a pressure gauge 3 connected with the lower tee 1, the lower tee 1 is connected with a lower port on the left side of the Christmas tree through a pipeline, a protection mechanism is arranged on the pressure gauge 3, the protection mechanism comprises support plates 16 arranged on two sides of the pressure gauge 3, one side of one support plate 16, far away from the other support plate 16, of the two support plates 16 is fixedly connected with the top of one side of the lower tee 1, the rear sides of the two support plates 16 are fixedly connected with a same rear baffle 14, and, the two support plates 16 are provided with rectangular sliding grooves 6 with openings at the tops at the mutually close sides, the two rectangular sliding grooves 6 are movably sleeved with the same transparent plastic baffle 7, the tops of the transparent plastic baffle 7 are fixedly connected with the bottom of the cover plate 5, the pressure gauge 3 is positioned at the rear side of the transparent plastic baffle 7, the two sides of the bottom of the cover plate 5 are provided with rectangular clamping grooves 8, clamping rings 9 are movably inserted in the rectangular clamping grooves 8, the bottom of the cover plate 5 is provided with a groove, the inner walls at the two sides of the groove are fixedly connected with the same positioning rod 10, the positioning rod 10 is slidably sleeved with two L-shaped clamping rods 11, the two L-shaped clamping rods 11 are symmetrically arranged, the mutually far ends of the two L-shaped clamping rods 11 respectively extend into the corresponding clamping rings 9, and the same spring 15 is fixedly connected between the inner wall at the mutually close side of the two L-shaped, and 15 movable sleeve of spring establish on locating lever 10, and the top of locating lever 10 is equipped with spool 12, and the top of spool 12 extends to the top of apron 5 and fixedly connected with time shape handle 2, and L shape kelly 11 is close to the same stay cord 13 of fixedly connected with between one side top of spool 12 and the spool 12, the utility model relates to a rationally, convenient to use can shelter from the protection to manometer 3, reduces the damage risk, is convenient for quick assembly disassembly takes off apron 5 and transparent plastic baffle 7 and exposes manometer 2, makes things convenient for the follow-up maintenance work to manometer 2 of personnel, is favorable to using.

In the utility model, the front inner wall and the rear inner wall of the rectangular clamping groove 8 are respectively in movable contact with the front side and the rear side of the corresponding clamping ring 9, the inner wall of one side, which is close to each other, of the two L-shaped clamping rods 11 is provided with a first round hole, the side wall of the first round hole is in sliding connection with the outer side of the positioning rod 10, the inner wall of one side, which is close to each other, of the two rectangular clamping grooves 8 is provided with a second round hole, the side wall of the second round hole is in sliding connection with the outer side of the corresponding L-shaped clamping rod 11, the inner wall of the top of the groove is provided with a third round hole, and the third round hole is fixedly sleeved with a bearing, the inner side of the inner ring of the bearing is fixedly connected with the outer side of the winding shaft 12, the inner side of the clamping ring 9 is in movable contact with the outer side of the corresponding L-shaped clamping rod 11, the utility model has reasonable design, is convenient to use, the follow-up maintenance work to manometer 2 of personnel of facilitating the use.

The working principle is as follows: when the pressure gauge is used, the four sides and the top of the pressure gauge 3 can be completely shielded and protected by the two support plates 16, the rear baffle 14, the transparent plastic baffle 7 and the cover plate 5, the transparent plastic baffle 7 is arranged to enable a person to normally watch pressure data without influencing the watching of the person, when the pressure gauge 3 breaks down and needs to be exposed for maintenance, the clip handle 2 is positively rotated, the clip handle 2 drives the winding shaft 12 to rotate, the winding shaft 12 winds the two pull ropes 13, under the winding force, the two pull ropes 13 drive the two L-shaped clip rods 11 to move towards the mutually approaching direction and separate from the two snap rings 9, the L-shaped clip rods 11 slide on the positioning rods 10 and stretch the springs 15, the clip handle 2 can be pulled upwards at the moment, the clip handle 2 drives the cover plate 5 to upwards separate from the two snap rings 9 through the winding shaft 12, the cover plate 5 drives the transparent plastic baffle 7 to upwards slide out from the two rectangular sliding grooves 6, at the moment, the cover plate 5 and the transparent plastic baffle 7 are removed, and the pressure gauge 3 is exposed to facilitate maintenance by personnel;

during the installation, shape handle 2 is turned back earlier equally, then move down apron 5 and drive two rectangle draw-in grooves 8 respectively the card cover on the snap ring 9 that corresponds, apron 5 drives in transparent plastic baffle 7 inserts two rectangle spouts 6 downwards, relax this moment and to returning the turning force of shape handle 2, two springs 15 that are in tensile state reset and drive two L shape kellies 11 and return to moving back to the direction of keeping away from each other this moment and reset, make L shape kellies 11 insert the corresponding snap ring 9 once more, snap ring 9 is through the L shape kellies 11 restriction apron 5 that corresponds this moment, can fixed cover plate 5 and transparent plastic baffle 7, prevent to bump the phenomenon that drops because of the mistake, in order to guarantee stable protecting manometer 3.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

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

1. The adjustable pressure control device for the Christmas tree at the wellhead of the oil pumping unit comprises the Christmas tree and a pressure control device body on the Christmas tree, wherein the pressure control device body comprises a valve (4) connected with an upper port on the left side of the Christmas tree through a pipeline, an upper tee joint connected with the valve (4), a check valve connected with the upper tee joint, a lower tee joint (1) connected with the check valve, and a pressure gauge (3) connected with the lower tee joint (1), the lower tee joint (1) is connected with a lower port on the left side of the Christmas tree through a pipeline, the adjustable pressure control device is characterized in that the pressure gauge (3) is provided with a protection mechanism, the protection mechanism comprises support plates (16) arranged on two sides of the pressure gauge (3), one side, away from the other support plate (16), of one support plate (16) of the two support plates (16) is fixedly connected with the top of one side of the lower tee joint (1), the rear sides of the two support plates, the top parts of the two support plates (16) are movably contacted with the same cover plate (5), one side, close to each other, of each of the two support plates (16) is provided with a rectangular sliding groove (6) with an opening at the top part, the two rectangular sliding grooves (6) are internally and movably sleeved with the same transparent plastic baffle (7), the top parts of the transparent plastic baffles (7) are fixedly connected with the bottom part of the cover plate (5), the pressure gauge (3) is positioned at the rear side of the transparent plastic baffle (7), the two sides of the bottom part of the cover plate (5) are provided with rectangular clamping grooves (8), clamping rings (9) are movably inserted in the rectangular clamping grooves (8), the bottom parts of the cover plate (5) are provided with grooves, the inner walls at the two sides of the grooves are fixedly connected with the same positioning rod (10), the positioning rods (10) are slidably sleeved with two L-shaped clamping rods (11), the two L-shaped clamping rods (11) are symmetrically arranged, one ends, far, the inner wall of one side that two L shape kellies (11) are close to each other respectively with the same spring (15) of fixedly connected with between the both sides inner wall of recess, and spring (15) movable sleeve is established on locating lever (10), the top of locating lever (10) is equipped with spool (12), and the top of spool (12) extends to the top of apron (5) and fixedly connected with returns shape handle (2), the same stay cord (13) of fixedly connected with between one side top that L shape kellies (11) are close to spool (12) and spool (12).

2. The adjustable pressure control device for the Christmas tree at the wellhead of the pumping unit according to claim 1, wherein the front inner wall and the rear inner wall of the rectangular clamping groove (8) are respectively in movable contact with the front side and the rear side of the corresponding clamping ring (9).

3. The adjustable pressure control device of claim 1, wherein the inner wall of one side of each of the two L-shaped clamping rods (11) close to each other is provided with a first circular hole, and the side wall of the first circular hole is slidably connected with the outer side of the positioning rod (10).

4. The adjustable pressure control device of claim 1, wherein the inner wall of one side of each of the two rectangular slots (8) close to each other is provided with a second circular hole, and the side wall of each second circular hole is slidably connected with the outer side of the corresponding L-shaped clamping rod (11).

5. The adjustable pressure control device of claim 1, wherein the inner wall of the top of the groove is provided with a third circular hole, a bearing is fixedly sleeved in the third circular hole, and the inner side of the inner ring of the bearing is fixedly connected with the outer side of the winding shaft (12).

6. The adjustable pressure control device for a Christmas tree at a wellhead of a pumping unit according to claim 1, wherein the inner side of the snap ring (9) is movably contacted with the outer side of the corresponding L-shaped snap rod (11).