CN209324305U

CN209324305U - A kind of oil exploitation wellhead assembly

Info

Publication number: CN209324305U
Application number: CN201920039346.0U
Authority: CN
Inventors: 王伟; 李秀云
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-10
Filing date: 2019-01-10
Publication date: 2019-08-30
Anticipated expiration: 2029-01-10

Abstract

The utility model discloses a kind of oil exploitation wellhead assemblies of technical field of petroleum extraction, including fixed cylinder, fixed case, the first flowline, the second flowline, the first surge pipe and the second surge pipe, the utility model is by rotating rotor plate, switch the break-make situation of the first connecting tube and the second connecting tube, to use the first connecting tube or the second connecting tube according to the actual situation；Petroleum is connected to the first connecting tube with the first flowline outwardly against piston plate, and mobile bar can be moved along straight trough, and piston plate is made to pass through the effect automatic position adjusting function of the first spring；Impact force is absorbed by regulator board; protection is provided for fixed cylinder; regulator board compresses second spring simultaneously; and different positions is moved to according to the pressure of petroleum; to make the first surge pipe open; or first surge pipe and the second surge pipe open simultaneously, slow down the pressure of petroleum, certain protective role played to fixed cylinder, the first connecting tube and the second connecting tube.

Description

A kind of oil exploitation wellhead assembly

Technical field

The utility model relates to technical field of petroleum extraction, specially a kind of oil exploitation wellhead assembly.

Background technique

Petroleum, one of main object of geological prospecting are a kind of sticky, dark brown liquid, referred to as " industrial blood Liquid ".There are petroleum storage in upper crustal some areas.Main component is the mixture of various alkane, cycloalkane and aromatic hydrocarbon.Petroleum There is biogenic deposit to become oil and the oily two kinds of theories of petrochemical industry at oil machine reason, the former more widely receives, it is believed that petroleum be ancient times ocean or Biology in lake is formed by very long evolution, is belonged to biogenic deposit and is become oil, non-renewable；The latter thinks that petroleum is by the earth's crust It is interior itself carbon generate, it is unrelated with biology, it is renewable.Petroleum is mainly used as fuel oil and gasoline and many chemical works Industry product, such as solution, chemical fertilizer, insecticide and plastics raw material.

Oil exploitation is the process that oil and gas that will be imbedded in oilbearing stratum etc. comes out from underground mining, petroleum , can be by whether needing to be divided into wellbore fluids artificial supplementation energy by the mode of underground mining to ground: self-spray and artificial lift, Artificial lift oil recovery includes: gas-lift production, pumping unit sucker rod pumping, electric submersible centrifugal pump recovers the oil, hydraulic piston pump recovers the oil With jet injector oil production etc.；In the initial stage of oil extraction, air is had in extraction conduit, it, can be unexpected after air is exhausted There is petroleum to be pumped, the impact force and petroleum difference to fixed cylinder of air cause impact force to increase suddenly, now traditional Oil exploitation wellhead assembly does not have buffer protection structure, and wellhead assembly is caused to be easily damaged after long-term use, service life drop It is low.

Based on this, the utility model devises a kind of oil exploitation wellhead assembly, to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of oil exploitation wellhead assemblies, to solve to propose in above-mentioned background technique The problem of.

To achieve the above object, the utility model provides the following technical solutions: a kind of oil exploitation wellhead assembly, including solid Safety barrel, the top of fixed cylinder are equipped with adjusting cavity, and middle and lower part is equipped with oil suction chamber, and bottom end is fixed with pedestal, the centre of pedestal be equipped with The oil inlet of oil suction chamber connection, the lower part of oil suction chamber is along the circumferential direction uniformly arranged to be gone out there are two the first flowline and two second Oil pipe, and the first flowline and the setting of the second flowline interval, the middle part of oil suction chamber are equipped with first surge pipe, top is equipped with One the second surge pipe, the first flowline and has been respectively fixedly connected with the first connecting tube and second with the outboard end of the second flowline Connecting tube, and the diameter of the first flowline, less than the first connecting tube, the diameter of the second flowline goes out less than the second connecting tube, first The pipe end of oil pipe and the second flowline is fixed with washer；Fixed case is fixed with by fixed link among the lower part of oil suction chamber, it is fixed Along being along the circumferential direction uniformly arranged there are four spring lever in case, it is socketed with the first spring on spring lever, and inner end is fixed with shifting Lever, the side wall that outboard end is each passed through fixed case protrudes into the first connecting tube and the second connecting tube, and inserting end is fixed with work Seben, the medial segment side wall of piston plate are set as circular conical surface, and the medial surface correspondence of washer is set as circular conical surface；It is rotatablely connected in fixed case There is rotor plate, the top surface of rotor plate is fixed with rotation axis, and the top of rotation axis passes through oil suction chamber and protrudes into adjusting cavity and be fixed with First bevel gear, first bevel gear are engaged with second bevel gear, and connecting rod is connected in second bevel gear, and one end of connecting rod is stretched Adjusting cavity and it is fixed with turning handle out；The bottom surface of rotor plate is along the circumferential direction uniformly provided with two first movement slots and the second movement Slot, and first movement slot and the setting of the second shifting chute interval, first movement slot include straight trough and the circle that is connected to straight trough inner end Arc slot, and the second shifting chute is identical as the structure of first movement slot, first movement slot second shifting chute adjacent with two sides respectively Center of circle line along 45 ° and 135 ° is symmetrical, and the intersection point of two center of circle lines is overlapped with the center of circle of rotor plate, with the first flowline and The top of the corresponding mobile bar of second flowline is located in ground shifting chute and the second shifting chute.

Preferably, the top of rotation axis is fixed with fixed station, and the bottom surface of fixed station is fixed with one end of second spring, and The bottom end of two springs is fixed with regulator board.

Preferably, multiple springs are evenly arranged with circumferencial direction along its length respectively on the inner sidewall of the second connecting tube Piece, and heating layer is equipped in inner sidewall, heating layer is electrically connected with power supply and switch.

Preferably, it is fixed with connecting cylinder in second bevel gear, is along the circumferential direction uniformly provided on the inner sidewall of connecting cylinder more The inner end of a link slot, connecting rod is protruded into connecting cylinder, and is along the circumferential direction uniformly fixed with multiple link blocks, link block position In link slot, the segmentum laterale of connecting rod is equipped with screw thread, is correspondingly provided with thread barrel on the lateral wall of fixed cylinder, connecting rod with connect Cylinder is threadedly coupled, and the outboard end of connecting rod stretches out thread barrel.

Preferably, the top of rotation axis stretches out adjusting cavity and is fixed with indicating arm.

Preferably, the arc groove center of circle of first movement slot and the second shifting chute is overlapped with the center of circle of rotor plate.

Preferably, the two sides of fixed link are set as symmetrical inclined surface, and bottom end width is less than top width.

Preferably, the outboard end of the first surge pipe and the second surge pipe is respectively fixed with third connecting tube and the 4th connection Pipe.

Compared with prior art, the utility model has the beneficial effects that the utility model is secured the appliance to by pedestal It at oil exploitation well head, is then extracted by extracting device, the petroleum of extraction enters oil suction chamber by oil inlet, and conveying is not With consistency petroleum when, may be selected use the first connecting tube or the second connecting tube；When rotating rotor plate, switching first is connected The break-make situation of pipe and the second connecting tube, to use the first connecting tube or the second connecting tube, handover operation according to the actual situation It is simple and convenient；Petroleum is outwardly against piston plate, to make the first connecting tube be connected to the first flowline, and mobile bar can be along straight trough It is mobile, so that piston plate be made to pass through the effect automatic position adjusting function of the first spring, to make circular conical surface and washer on piston plate Apart from adjust automatically, play the role of stablizing the first connecting tube discharge pressure petroleum pressure regulation；It is absorbed and is impacted by regulator board Power provides protection for fixed cylinder, while regulator board compresses second spring, and different positions is moved to according to the pressure of petroleum, To make the first surge pipe opening or the first surge pipe and the second surge pipe open simultaneously, slow down the pressure of petroleum, to fixation Cylinder, the first connecting tube and the second connecting tube play certain protective role.

Detailed description of the invention

In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention, For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings Other attached drawings.

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the structural schematic diagram of the utility model fixed case；

Fig. 3 is the structural schematic diagram of the utility model adjusting cavity；

Fig. 4 is the structural schematic diagram of the utility model rotor plate.

In attached drawing, parts list represented by the reference numerals are as follows:

1- fixed cylinder, 101- adjusting cavity, 102- oil suction chamber, 103- pedestal, 104- oil inlet, the first flowline of 105-, The first surge pipe of 106-, the second surge pipe of 107-, 108- thread barrel, the first connecting tube of 2-, 201- washer, 3- fixed case, 301- Spring lever, the first spring of 302-, 303- mobile bar, 304- piston plate, 305- fixed link, 4- rotor plate, 401- rotation axis, 402- Regulator board, 404- first bevel gear, 405- indicating arm, 5- second bevel gear, 501- connecting cylinder, 502- link slot, 503- connection Bar, 504- link block, 505- turning handle, 6- first movement slot, the second shifting chute of 7-.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment, based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts All other embodiment obtained, fall within the protection scope of the utility model.

Embodiment one

Attached drawing is please referred to, the utility model provides a kind of technical solution: a kind of oil exploitation wellhead assembly, including fixed cylinder 1, the top of fixed cylinder 1 is equipped with adjusting cavity 101, and middle and lower part is equipped with oil suction chamber 102, and bottom end is fixed with pedestal 103, pedestal 103 Centre is equipped with the oil inlet 104 that be connected to oil suction chamber 102, the lower part of oil suction chamber 102 be along the circumferential direction uniformly arranged there are two the One flowline 105 and two the second flowlines, and the first flowline 105 and the second flowline interval are arranged, in oil suction chamber 102 Portion be equipped with first surge pipe 106, top be equipped with second surge pipe 107, the first flowline 105 and with the second flowline Outboard end be respectively fixedly connected with the first connecting tube 2 and the second connecting tube, and the diameter of the first flowline 105 connects less than first Adapter tube 2, less than the second connecting tube, the pipe end of the first flowline 105 and the second flowline is fixed with pad for the diameter of the second flowline Circle 201；Fixed case 3 is fixed with by fixed link 305 among the lower part of oil suction chamber 102, edge is along the circumferential direction uniform in fixed case 3 Setting is socketed with the first spring 302 on spring lever 301 there are four spring lever 301, and inner end is fixed with mobile bar 303, outside The side wall that end is each passed through fixed case 3 protrudes into the first connecting tube 2 and the second connecting tube, and inserting end is fixed with piston plate 304, The medial segment side wall of piston plate 304 is set as circular conical surface, and the medial surface correspondence of washer 201 is set as circular conical surface；The company of rotation in fixed case 3 It is connected to rotor plate 4, the top surface of rotor plate 4 is fixed with rotation axis 401, and the top of rotation axis 401 passes through oil suction chamber 102 and protrudes into adjusting In chamber 101 and it is fixed with first bevel gear 404, first bevel gear 404 is engaged with second bevel gear 5, connects in second bevel gear 5 There is connecting rod 504, one end of connecting rod 504 stretches out adjusting cavity 101 and is fixed with turning handle 505；The bottom surface of rotor plate 4 is circumferentially square To being uniformly provided with two first movement slots 6 and the second shifting chute 7, and first movement slot 6 and the setting of the second shifting chute 7 interval, the One shifting chute 6 includes straight trough and the arc groove being connected to straight trough inner end, and the structure of the second shifting chute 7 and first movement slot 6 Identical, adjacent with two sides the second shifting chute 7 is symmetrical along the center of circle line of 45 ° and 135 ° respectively for first movement slot 6, and two centers of circle The intersection point of line is overlapped with the center of circle of rotor plate 4, with the first flowline 105 and the corresponding mobile bar 303 of the second flowline Top be located at ground shifting chute and the second shifting chute 7 in.

Wherein, the top of rotation axis 401 is fixed with fixed station, and the bottom surface of fixed station is fixed with one end of second spring, and The bottom end of second spring is fixed with regulator board 402.

The working principle of the present embodiment are as follows: in use, being secured the appliance at oil exploitation well head by pedestal 103, so It is extracted afterwards by extracting device, the petroleum of extraction enters oil suction chamber 102 by oil inlet 104, conveys the stone of different consistency It when oily, may be selected to use the first connecting tube 2 or the second connecting tube, when using the first connecting tube 2, pass through connecting rod 504, the Two bevel gears 5 and first bevel gear 404 rotate rotation axis 401 and rotor plate 4, to make the corresponding movement of the first connecting tube 2 303 top of bar is located at the straight trough of first movement slot 6, and corresponding 303 top of mobile bar of the second connecting tube is located at the second shifting chute 7 Arc groove in, so that the piston plate 304 in the second connecting tube be made to be located at internal limit position, the circle of the medial segment of piston plate 304 The medial surface of the conical surface and washer 201 is in close contact, and connects duct occlusion for second, petroleum enters first by the first flowline 105 In connecting tube 2, outwardly against piston plate 304, to make the first connecting tube 2 be connected to the first flowline 105, and mobile bar 303 It can be moved along straight trough, to make effect automatic position adjusting function of the piston plate 304 by the first spring 302, to make piston plate 304 Upper circular conical surface adjust automatically at a distance from washer 201 plays the role of keeping 2 discharge pressure of the first connecting tube steady petroleum pressure regulation It is fixed；When needing using the second connecting tube, reversely rotate connecting rod 504, make mobile bar 303 in first movement slot 6 into Enter arc groove, the mobile bar 303 in the second shifting chute 7 enters straight trough, opens the second connecting tube, and the first connecting tube 2 is closed；Stone The initial stage that oil extracts has air in extraction conduit, after air is exhausted, can have suddenly petroleum to be pumped, air Impact force to fixed cylinder 1 and petroleum it is different, cause impact force to increase suddenly, impact force absorbed by regulator board 402, is solid Safety barrel 1 provides protection, while regulator board 402 compresses second spring, and different positions is moved to according to the pressure of petroleum, thus The first surge pipe 106 opening or the first surge pipe 106 and the second surge pipe 107 are opened simultaneously, the pressure of petroleum is slowed down, Certain protective role is played to fixed cylinder 1, the first connecting tube 2 and the second connecting tube.

Embodiment two

On the basis of example 1, it is uniformly set with circumferencial direction along its length respectively on the inner sidewall of the second connecting tube Multiple spring leafs are equipped with, and are equipped with heating layer in inner sidewall, heating layer is electrically connected with power supply and switch；Second connecting tube is for defeated Sending thicker petroleum, spring leaf generates vibration when oil transportation, blocking is avoided the occurrence of, and heating layer can heat petroleum, Reinforce oil flow, keeps conveying more clear and more coherent.

Embodiment three

On the basis of example 2, connecting cylinder 501, connecting cylinder 501 and adjusting cavity 101 are fixed in second bevel gear 5 Bottom surface rotation connection, be along the circumferential direction uniformly provided with multiple link slots 502 on the inner sidewall of connecting cylinder 501, connecting rod 504 Inner end is protruded into connecting cylinder 501, and is along the circumferential direction uniformly fixed with multiple link blocks 504, and link block 504 is located at link slot In 502, the segmentum laterale of connecting rod 504 is equipped with screw thread, is correspondingly provided with thread barrel 108, connecting rod 504 on the lateral wall of fixed cylinder 1 It is threadedly coupled with connecting cylinder 501, and the outboard end of connecting rod 504 stretches out thread barrel 108；When needing to switch 2 He of the first connecting tube When the on off operating mode of the second connecting tube, bar 504 is rotatablely connected by turning handle 505, to make connecting rod 504 while rotation along spiral shell Line moves forward, and prevents connecting rod 504 to be freely rotated by screw thread locking, and then rotation axis 401 passes through link block 504 and connection Slot 502 keeps connecting rod 504 mobile relative to connecting cylinder 501 while connecting cylinder 501 being driven to rotate, to make the second cone tooth 5 drive first bevel gear 404 of wheel and rotation axis 401 and the rotation of rotor plate 4, the first connecting tube 2 of realization and the second connecting tube On-off switching.

Wherein, the top of rotation axis 401 stretches out adjusting cavity 101 and is fixed with indicating arm 405, is indicated by indicating arm 405 The turned position of rotation axis 401 and rotor plate 4, to understand the break-make situation of the first connecting tube 2 and the second connecting tube and to it It is adjusted.

Wherein, the arc groove center of circle of first movement slot 6 and the second shifting chute 7 is overlapped with the center of circle of rotor plate 4, passes through circular arc It is constant that slot makes the position of mobile bar 303 and piston plate 304 be maintained at internal limit position.

Wherein, the two sides of fixed link 305 are set as symmetrical inclined surface, and bottom end width is less than top width, works as stone Oil pressure jacks up regulator board 402 upwards, and when along the first surge pipe 106 or the second surge pipe 107, the shape of fixed link 305 Resistance when petroleum moves up can be reduced.

Wherein, the outboard end of the first surge pipe 106 and the second surge pipe 107 is respectively fixed with third connecting tube and the 4th and connects Adapter tube is discharged when petroleum enters the first surge pipe 106 or the second surge pipe 107 by third connecting tube and the 4th connecting tube It collects.

In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples In can be combined in any suitable manner.

The preferred embodiment in the utility model disclosed above only illustrates the utility model with help.Preferred embodiment is not There is the details that detailed descriptionthe is all, does not also limit the specific embodiment that the utility model is only.Obviously, according to this specification Content can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain this The principle and practical application of utility model, so that skilled artisan be enable to better understand and utilize this practical new Type.The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. a kind of oil exploitation wellhead assembly, including fixed cylinder, it is characterised in that: the top of the fixed cylinder is equipped with adjusting cavity, Middle and lower part is equipped with oil suction chamber, and bottom end is fixed with pedestal, and the centre of pedestal is equipped with the oil inlet being connected to oil suction chamber, the oil suction chamber Lower part be along the circumferential direction uniformly arranged there are two the first flowline and two the second flowlines, and the first flowline and second goes out The setting of oil pipe interval, the middle part of the oil suction chamber are equipped with first surge pipe, and top is equipped with second surge pipe, and described the One flowline and it is respectively fixedly connected with the first connecting tube and the second connecting tube with the outboard end of the second flowline, and first is fuel-displaced The diameter of pipe is less than the first connecting tube, and less than the second connecting tube, first flowline and second goes out the diameter of the second flowline The pipe end of oil pipe is fixed with washer；Fixed case is fixed with by fixed link among the lower part of the oil suction chamber, along edge in fixed case Circumferencial direction is uniformly arranged there are four spring lever, is socketed with the first spring on spring lever, and inner end is fixed with mobile bar, outside The side wall that end is each passed through fixed case protrudes into the first connecting tube and the second connecting tube, and inserting end is fixed with piston plate, described The medial segment side wall of piston plate is set as circular conical surface, and the medial surface correspondence of washer is set as circular conical surface；It is rotatablely connected in the fixed case There is rotor plate, the top surface of rotor plate is fixed with rotation axis, and the top of rotation axis passes through oil suction chamber and protrudes into adjusting cavity and be fixed with First bevel gear, first bevel gear are engaged with second bevel gear, and connecting rod is connected in second bevel gear, and one end of connecting rod is stretched Adjusting cavity and it is fixed with turning handle out；The bottom surface of rotor plate is along the circumferential direction uniformly provided with two first movement slots and the second movement Slot, and first movement slot and the setting of the second shifting chute interval, the first movement slot include straight trough and are connected to straight trough inner end Arc groove, and the second shifting chute is identical as the structure of first movement slot, the first movement slot respectively adjacent with two sides Two shifting chutes are symmetrical along the center of circle line of 45 ° and 135 °, and the intersection point of two center of circle lines is overlapped with the center of circle of rotor plate, go out with first The top of the corresponding mobile bar of second flowline of oil pipe sum is located in ground shifting chute and the second shifting chute.

2. oil exploitation wellhead assembly according to claim 1, it is characterised in that: the top of the rotation axis is fixed with Determine platform, the bottom surface of fixed station is fixed with one end of second spring, and the bottom end of second spring is fixed with regulator board.

3. oil exploitation wellhead assembly according to claim 1, it is characterised in that: on the inner sidewall of second connecting tube It is evenly arranged with multiple spring leafs with circumferencial direction along its length respectively, and is equipped with heating layer in inner sidewall, heating layer is electrically connected It is connected to power supply and switch.

4. oil exploitation wellhead assembly according to claim 1, it is characterised in that: the company of being fixed in the second bevel gear Connect cylinder is along the circumferential direction uniformly provided with multiple link slots on the inner sidewall of connecting cylinder, and the inner end of connecting rod is protruded into connecting cylinder, And multiple link blocks are along the circumferential direction uniformly fixed with, link block is located in link slot, and the segmentum laterale of the connecting rod is equipped with spiral shell Line is correspondingly provided with thread barrel on the lateral wall of fixed cylinder, and connecting rod is threadedly coupled with connecting cylinder, and the outboard end of connecting rod stretches out Thread barrel.

5. oil exploitation wellhead assembly according to claim 1, it is characterised in that: the top of the rotation axis, which is stretched out, to be adjusted Chamber is simultaneously fixed with indicating arm.

6. oil exploitation wellhead assembly according to claim 1, it is characterised in that: the first movement slot and the second movement The arc groove center of circle of slot is overlapped with the center of circle of rotor plate.

7. oil exploitation wellhead assembly according to claim 1, it is characterised in that: the two sides of the fixed link are set as Symmetrical inclined surface, and bottom end width is less than top width.

8. oil exploitation wellhead assembly according to claim 1, it is characterised in that: first surge pipe and the second pressure regulation The outboard end of pipe is respectively fixed with third connecting tube and the 4th connecting tube.