CN213898919U

CN213898919U - Gas production wellhead assembly convenient to dismouting

Info

Publication number: CN213898919U
Application number: CN202021773952.4U
Authority: CN
Inventors: 谭国富
Original assignee: Jianhu Haohui Electricity Petrochemical Machinery Co ltd
Current assignee: Jianhu Haohui Electricity Petrochemical Machinery Co ltd
Priority date: 2020-08-24
Filing date: 2020-08-24
Publication date: 2021-08-06
Anticipated expiration: 2030-08-24

Abstract

The utility model discloses a gas production wellhead device convenient for disassembly and assembly, which belongs to the technical field of petroleum and particularly relates to a gas production wellhead device convenient for disassembly and assembly, which comprises a fixed base, an oil pipe cross joint and a small cross joint, wherein the top and the bottom of the oil pipe cross joint are respectively connected with an oil pipe hanger and a fixed base, the top of the oil pipe hanger is fixedly connected with the bottom of a first flange plate, the bottom of the small cross joint is fixedly connected with a second flange plate, the bottom of the second flange plate is connected with a first guide post, a guide groove matched with the first guide post is longitudinally arranged in the first flange plate, the first guide post is inserted in the guide groove, the front surface, the back surface and the left side and the right side of the first flange plate are respectively provided with a stopper, the middle part of the stopper is transversely provided with a first screw groove, the upper part and the lower part of the stopper are respectively transversely provided with a second screw groove, the first flange plate is internally and transversely provided with a movable groove and a third screw groove matched with the first screw groove and the second screw groove, the installation is simple and rapid, and time saving, the mounting efficiency is effectively improved, the mounting structure is convenient to detach and maintain in the later period, and the use requirement is better met.

Description

Gas production wellhead assembly convenient to dismouting

Technical Field

The utility model relates to a natural gas technology field specifically is a gas production wellhead assembly convenient to dismouting.

Background

In oil, natural gas drilling, need install and be used for control gas at the well head, liquid (oil, water etc.) fluid pressure and direction, hang the sleeve pipe, oil pipe and sealed oil pipe and sleeve pipe and each layer sleeve pipe annular space's wellhead assembly, the gas production well head is one kind at oil, in natural gas drilling, install at the well head, hang the sleeve pipe, oil pipe, and sealed oil pipe and sleeve pipe and each layer sleeve pipe annular space's device, the installation procedure is comparatively loaded down with trivial details when current gas production wellhead assembly is installed in earlier stage, the installation is troublesome, make the installation effectiveness descend greatly, and difficult dismantlement when needing to dismantle maintenance to gas production wellhead assembly in later stage, a large amount of time has been wasted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gas production wellhead assembly convenient to dismouting to installation procedure is comparatively loaded down with trivial details when solving the earlier stage installation that proposes in the above-mentioned background art, and the installation is troublesome, makes the installation effectiveness greatly reduced, and need dismantle the maintenance to gas production wellhead assembly in the later stage and be difficult for dismantling, has wasted the problem of a large amount of time.

In order to achieve the above object, the utility model provides a following technical scheme: a gas production wellhead device convenient to disassemble and assemble comprises a fixed base, an oil pipe cross joint and a small cross joint, wherein the top and the bottom of the oil pipe cross joint are respectively connected with an oil pipe hanger and the fixed base, the top of the oil pipe hanger is fixedly connected with the bottom of a first flange plate, the bottom of the small cross joint is fixedly connected with a second flange plate, the bottom of the second flange plate is connected with a first guide column, a guide groove matched with the first guide column is longitudinally formed in the first flange plate, the first guide column is inserted in the guide groove, limiting blocks are respectively arranged on the front surface, the back surface, the left side and the right side of the first flange plate, a first screw groove is transversely formed in the middle of each limiting block, a second screw groove is transversely formed above and below each limiting block, a movable groove and a third screw groove which are matched with the first screw groove and the second screw groove are transversely formed in the first flange plate, bolts are screwed in the first screw grooves, the bolt two-way inner passes the movable groove and is connected with the limiting lug, the second spiral groove and the third spiral groove are connected with the third bolt in a threaded manner, the middle part of the guide column I is provided with a limiting groove matched with the limiting lug, the limiting lug is positioned in the limiting groove, one side of the limiting lug, which deviates from the limiting groove, is connected with a spring, and the spring is sleeved on the outer wall of the two-way inner end of the bolt.

Preferably, the left and right sides all vertically the spiro union has the bolt in the unable adjustment base, unable adjustment base passes through bolt one and fixes subaerial, vertically set up the slot in the ground, the top is equipped with the ball frame in the slot, the bottom is equipped with the uide bushing in the slot, the unable adjustment base bottom left and right sides is connected with guide post two, the uide bushing cup joints in guide post two bottoms.

Preferably, the left side and the right side of the four-way joint of the oil pipe are connected with a first pipeline, and a parallel valve, an oil pressure gauge and a third flange are sequentially arranged on the first pipeline from inside to outside.

Preferably, the left side and the right side of the small four-way joint are both connected with a second pipeline, and a throttle valve, a pressure gauge and a flange plate are sequentially arranged on the second pipeline from inside to outside.

Preferably, a filter screen is arranged at the joint of the oil pipe four-way joint and the pipeline one.

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

1) insert the guide post in the guide way, can be light install ring flange one in the top of ring flange two, spacing lug joint is in spacing recess, screws up bolt three and fixes the stopper on ring flange one to carry out spacing fixed to spacing lug, make spacing lug can't stretch out and draw back the removal, accomplish the spacing fixed to guide post one, make ring flange one fix on ring flange two, simple structure, simple to operate.

2) The installation is simple swift, has saved the time, the effectual installation effectiveness that has improved, also convenient to detach when dismantling maintenance in the later stage, better full user demand.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of part A of the present invention;

fig. 3 is a schematic view of an internal structure of the flange plate of the present invention.

In the figure: the oil pipe hanger comprises a fixed base 1, a first bolt 2, a ground 3, a four-way oil pipe 4, a small four-way oil pipe 5, an oil pipe hanger 6, a first flange 7, a second flange 8, a spring 9, a third bolt 10, a second bolt 11, a limiting block 12, a ball rack 13, a second guide column 14, a guide sleeve 15, a guide groove 16, a first guide column 17, a limiting groove 18 and a limiting lug 19.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: a gas production wellhead device convenient to disassemble and assemble comprises a fixed base 1, an oil pipe cross joint 4 and a small cross joint 5, wherein the top and the bottom of the oil pipe cross joint 4 are respectively connected with an oil pipe hanger 6 and the fixed base 1, the top of the oil pipe hanger 6 is fixedly connected with the bottom of a flange plate I7, the bottom of the small cross joint 5 is fixedly connected with a flange plate II 8, the bottom of the flange plate II 8 is connected with a guide post I17, a guide groove 16 matched with the guide post I17 is longitudinally formed in the flange plate I7, the guide post I17 is inserted in the guide groove 16, limiting blocks 12 are respectively arranged on the front surface, the back surface, the left side and the right side of the flange plate I7, a first screw groove is transversely formed in the middle of each limiting block 12, a second screw groove is transversely formed above and below each limiting block 12, and movable grooves matched with the first screw groove and the second screw groove are transversely formed in the flange plate I7, A third screw groove, a second bolt 11 is screwed in the first screw groove, the inward end of the second bolt 11 passes through the movable groove and is connected with a limiting lug 19, a third bolt 10 is screwed in the second screw groove and the third screw groove, a limiting groove 18 matched with the limiting lug 19 is formed in the middle of the first guide post 17, the limiting lug 19 is positioned in the limiting groove 18, a spring 9 is connected to the side, away from the limiting groove 18, of the limiting lug 19, the spring 9 is sleeved on the outer wall of the inward end of the second bolt 11, the first guide post 17 is inserted into the guide groove 16, the first flange 7 can be easily installed above the second flange 8, the limiting lug 19 is clamped in the limiting groove 18, the third bolt 10 is screwed to fix the limiting block 12 on the first flange 7, so that the limiting lug 19 is limited and fixed, the limiting lug 19 cannot move in a telescopic manner, and the limiting and fixing of the first guide post 17 is completed, so that the first flange 7 is fixed on the second flange 8.

The fixing base comprises a fixing base 1, a bolt I2 is longitudinally screwed on the left side and the right side of the fixing base 1, the fixing base 1 is fixed on the ground 3 through the bolt I2, the fixing base 1 can be installed and fixed on the ground 3 through the bolt I2, a slot is longitudinally formed in the ground 3, a ball frame 13 is arranged above the slot, the ball frame 13 can reduce the friction force of a guide post II 14 and plays a role in positioning, a guide sleeve 15 is arranged at the bottom of the slot, the left side and the right side of the bottom of the fixing base 1 are connected with the guide post II 14, the guide sleeve 15 is sleeved at the bottom of the guide post II 14, the guide post II 14 is inserted into the slot in the ground 3, and the guide sleeve 15 is sleeved at the bottom of the guide post II 14.

The left side and the right side of the oil pipe four-way joint 4 are connected with a first pipeline, and the first pipeline is sequentially provided with a parallel valve, an oil pressure gauge and a third flange plate from inside to outside.

The left side and the right side of the small four-way joint 5 are both connected with a second pipeline, and a throttle valve, a pressure gauge and a fourth flange are sequentially arranged on the second pipeline from inside to outside.

And a filter screen is arranged at the joint of the oil pipe cross joint 4 and the pipeline I.

The working principle is as follows: insert the guide post two 14 in the slot in ground 3, uide bushing 15 cup joints the bottom at guide post two 14, fix the installation of unable adjustment base 1 on ground 3 through bolt one 2, insert guide post one 17 in the guide way 16, can be relaxed install the top at ring flange two 8 with ring flange one 7, spacing lug 19 joint is in spacing recess 18, it fixes stopper 12 on ring flange one 7 to tighten up bolt three 10, thereby carry out spacing fixed to spacing lug 19, make spacing lug 19 can't stretch out and draw back the removal, the completion is fixed to the spacing of guide post one 17, make ring flange one 7 fix on ring flange two 8.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a gas production wellhead assembly convenient to dismouting, includes unable adjustment base (1), oil pipe cross (4) and little cross (5), its characterized in that: the oil pipe cross joint structure is characterized in that the top and the bottom of the oil pipe cross joint (4) are respectively connected with an oil pipe hanger (6) and a fixed base (1), the top of the oil pipe hanger (6) is fixedly connected with the bottom of a first flange plate (7), the bottom of a small cross joint (5) is fixedly connected with a second flange plate (8), the bottom of the second flange plate (8) is connected with a first guide column (17), a guide groove (16) matched with the first guide column (17) is longitudinally formed in the first flange plate (7), the first guide column (17) is inserted into the guide groove (16), limiting blocks (12) are respectively installed on the front face, the back face and the left side and the right side of the first flange plate (7), a first screw groove is transversely formed in the middle of each limiting block (12), a second screw grooves are respectively formed above and below each limiting block (12), and movable grooves matched with the first screw groove and the second screw groove are respectively transversely formed in the first flange plate (7), Screw groove three, the spiro union has bolt two (11) in the screw groove one, bolt two (11) are passed the activity groove and are connected with spacing lug (19) to the inner end, the spiro union has bolt three (10) in screw groove two and the screw groove three, guide post (17) middle part seted up with spacing lug (19) assorted spacing recess (18), spacing lug (19) are located spacing recess (18), one side that spacing lug (19) and spacing recess (18) deviate from mutually is connected with spring (9), spring (9) cup joint on the outer wall of bolt two (11) inside one end.

2. A gas production wellhead assembly as claimed in claim 1 which is readily disassembled and assembled, and which is characterized in that: the improved fixing base is characterized in that a first bolt (2) is longitudinally screwed on the left side and the right side in the fixing base (1), the fixing base (1) is fixed on the ground (3) through the first bolt (2), a slot is longitudinally formed in the ground (3), a ball frame (13) is arranged above the slot, a guide sleeve (15) is arranged at the bottom in the slot, two guide columns (14) are connected to the left side and the right side of the bottom of the fixing base (1), and the guide sleeve (15) is sleeved at the bottoms of the two guide columns (14).

3. A gas production wellhead assembly as claimed in claim 1 which is readily disassembled and assembled, and which is characterized in that: the left side and the right side of the oil pipe four-way joint (4) are connected with a first pipeline, and the first pipeline is sequentially provided with a parallel valve, an oil pressure gauge and a third flange plate from inside to outside.

4. A gas production wellhead assembly as claimed in claim 1 which is readily disassembled and assembled, and which is characterized in that: the left side and the right side of the small four-way joint (5) are both connected with a second pipeline, and a throttle valve, a pressure gauge and a fourth flange are sequentially arranged on the second pipeline from inside to outside.

5. A gas production wellhead assembly as claimed in claim 3 which is readily disassembled and assembled, and which is characterized in that: and a filter screen is arranged at the joint of the oil pipe cross joint (4) and the pipeline I.