CN212958539U

CN212958539U - Tee bend of leakproofness for oil well head

Info

Publication number: CN212958539U
Application number: CN202022016847.2U
Authority: CN
Inventors: 刘琛
Original assignee: Tianjin Zhuojun Machinery Co ltd
Current assignee: Tianjin Zhuojun Machinery Co ltd
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-04-13
Anticipated expiration: 2030-09-15

Abstract

The embodiment of the utility model discloses tee bend of leakproofness for oil well head, including the oil pipe tee bend, oil pipe tee bend one end is connected with oil production pipe, the oil pipe tee bend other end is connected with the hanger, the annular guard plate is all installed with oil production pipe junction surface both sides and oil pipe tee bend and hanger junction surface both sides to the oil pipe tee bend, spacing draw-in groove has been seted up at annular guard plate inner wall middle part. The utility model discloses a first positioning channel section, second positioning channel section and spacing card post can fix a position and spacing to the installation of ring guard board, can reduce the installation degree of difficulty of ring guard board, through two ring guard boards, spacing draw-in groove, fixed fixture block, fixing clip hole and fixing bolt's use, can assist fixedly to the junction of oil pipe tee bend and outside pipeline, can make the oil pipe tee bend more stable with being connected of outside pipeline, prevent that not hard up phenomenon from appearing in the junction of oil pipe tee bend and outside pipeline.

Description

Tee bend of leakproofness for oil well head

Technical Field

The embodiment of the utility model provides a relate to the oil technology field, concretely relates to tee bend of leakproofness for oil well head.

Background

The oil is a viscous and dark brown liquid, called as "industrial blood", in the process of oil exploitation, a Christmas tree is needed to be used, the Christmas tree is a wellhead device for oil exploitation such as a self-injection well and a mechanical oil production well, and is a main device for controlling and adjusting oil and gas production at the uppermost part of the oil and gas well, the Christmas tree consists of a valve, a reducing joint, an oil nozzle and a pipeline fitting, the Christmas tree is a device for controlling production and providing conditions for workover operations such as steel wires, cables, continuous oil pipes and the like, and in the process of oil exploitation, an oil pipe tee joint and a four-way joint are needed to be used;

common oil pipe four-way joints and three-way joints are in a flange type and a flange-stud type, when the oil pipe three-way joint is connected with an external pipeline, bolts at the connecting parts are easy to loosen due to vibration, and oil seepage occurs at the connecting parts.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a tee bend of leakproofness for oil well head to solve among the prior art junction bolt and appear not hard up phenomenon because vibrations easily, lead to the phenomenon problem that the junction appears the oil impregnate.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the utility model provides a tee bend of leakproofness for oil well head, includes the oil pipe tee bend, oil pipe tee bend one end is connected with oil production pipe, the oil pipe tee bend other end is connected with the hanger, annular guard plate is all installed with oil production pipe junction surface both sides and oil pipe tee bend and hanger junction surface both sides to the oil pipe tee bend, spacing draw-in groove has been seted up at annular guard plate inner wall middle part, annular guard plate surface both sides limit portion all welds fixed fixture block, the fixing clip hole has been seted up to fixed fixture block one end limit portion, the downthehole internally mounted of fixing clip has fixing bolt, oil production pipe surface both sides limit portion and hanger surface both sides limit portion have all seted up first positioning channel groove, second positioning channel groove has all been seted up to oil pipe tee bend surface both sides limit portion, the local welding of spacing draw.

Preferably, the seal groove has all been seted up at oil pipe tee bend both ends middle part, the spread groove has been seted up to seal groove inner wall one end equidistance, inside the sealed pad of having placed of seal groove, the equidistant welding in sealed pad one end middle part has the connection card post, all the welding of oil pipe tee bend both ends middle part near seal groove department has the connection card pipe.

Preferably, connecting holes are formed in the two end edge parts of the oil pipe tee, the oil production pipe one end edge part and the hanger one end edge part at equal intervals, and connecting bolts are installed inside the connecting holes.

Preferably, the thickness of the joint of the oil pipe tee joint and the oil production pipe and the thickness of the joint of the oil pipe tee joint and the hanger are the same as the length of the longitudinal section of the limiting clamping groove.

Preferably, the number of the first positioning clamping grooves is eight in total, the number of the second positioning clamping grooves is eight in total, the number of the limiting clamping columns is sixteen in total, the inner diameter of the first positioning clamping grooves is the same as that of the second positioning clamping grooves, and the diameter of the limiting clamping columns is the same as that of the first positioning clamping grooves.

Preferably, the rubber sealing gasket has the same cross-sectional dimension as the sealing groove, and the connecting clamping column is located inside the connecting groove.

Preferably, the number of the connection posts is four in total.

Preferably, the inner diameter of the joint of the oil production pipe is the same as that of the joint of the hanger, the diameter of the connecting clamp pipe is the same as that of the joint of the oil production pipe, and one end of the connecting clamp pipe is positioned in the oil production pipe.

The embodiment of the utility model provides a have following advantage:

1. through first positioning channel section, second positioning channel section and spacing card post, can fix a position and spacing to the installation of annular guard plate, can reduce the installation degree of difficulty of annular guard plate, through two annular guard plates, spacing draw-in groove, fixed fixture block, fixing clip hole and fixing bolt's use, can assist fixedly to the junction of oil pipe tee bend and outside pipeline, can make being connected of oil pipe tee bend and outside pipeline more stable, prevent that not hard up phenomenon from appearing in the junction of oil pipe tee bend and outside pipeline.

2. Through connecting the card pipe, can tentatively seal the junction of oil pipe tee bend and outside pipeline, through seal groove, spread groove, rubber packing pad and connection card post, can seal once more the junction of oil pipe tee bend and outside pipeline, through twice sealed, prevention of seepage performance when can improve oil pipe tee bend and outside pipeline connection, the three-way use of oil pipe of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

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

FIG. 2 is a schematic view of the installation structure of the rubber gasket of the present invention;

fig. 3 is a schematic structural view of the limiting slot of the present invention;

fig. 4 is a schematic structural view of a second positioning slot of the present invention;

fig. 5 is a schematic structural view of the connecting groove of the present invention.

In the figure: 1. an oil pipe tee joint; 2. a production string; 3. a hanger; 4. an annular guard plate; 5. a limiting clamping groove; 6. fixing the fixture block; 7. fixing the clamp hole; 8. fixing the bolt; 9. a first positioning slot; 10. a second positioning slot; 11. limiting the clamp column; 12. a sealing groove; 13. connecting grooves; 14. a rubber gasket; 15. connecting the clamping columns; 16. and connecting the clamping pipe.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

Referring to the attached figures 1-5 of the specification, a three-way for sealing a petroleum well head comprises an oil pipe three-way 1, one end of the oil pipe three-way 1 is connected with a petroleum production pipe 2, the other end of the oil pipe three-way 1 is connected with a hanger 3, connecting holes are formed in the edge of two ends of the oil pipe three-way 1, the edge of one end of the petroleum production pipe 2 and the edge of one end of the hanger 3 at equal intervals, connecting bolts are installed inside the connecting holes, the oil pipe three-way 1, the petroleum production pipe 2 and the hanger 3 can be fixedly installed, the hanger 3 can be conveniently used, annular protection plates 4 are installed on two sides of the outer surface of the joint of the oil pipe three-way 1 and the petroleum production pipe 2 and two sides of the outer surface of the joint of the oil pipe three-way 1 and the hanger 3, a limiting clamping groove 5 is formed in the middle part of the inner wall of the, the joint of the oil pipe tee joint 1, the oil production pipe 2 and the hanger 3 can be limited, so that the installation between the oil pipe tee joint 1 and the oil production pipe 2 and the hanger 3 is more stable, the two side parts of the outer surface of the annular protection plate 4 are welded with the fixed clamping blocks 6, one end part of each fixed clamping block 6 is provided with a fixed clamping hole 7, the fixed clamping holes 7 are internally provided with the fixed bolts 8, the two side parts of the outer surface of the oil production pipe 2 and the two side parts of the outer surface of the hanger 3 are provided with first positioning clamping grooves 9, the two side parts of the outer surface of the oil pipe tee joint 1 are provided with second positioning clamping grooves 10, the two sides of the middle part of the inner wall of each limiting clamping groove 5 are welded with limiting clamping columns 11, the number of the first positioning clamping grooves 9 is eight in total, the number of the second positioning clamping grooves 10 is eight in total, the number of the, the diameter of the limiting clamp column 11 is the same as the inner diameter of the first positioning clamp groove 9, so that the installation of the annular protection plate 4 can be positioned and limited, and the annular protection plate 4 can be conveniently used.

The middle parts of two ends of the oil pipe tee joint 1 are respectively provided with a sealing groove 12, one end of the inner wall of the sealing groove 12 is equidistantly provided with a connecting groove 13, a rubber sealing gasket 14 is placed in the sealing groove 12, the middle part of one end of the rubber sealing gasket 14 is equidistantly welded with connecting clamping columns 15, the section size of the rubber sealing gasket 14 is the same as that of the sealing groove 12, the connecting clamping columns 15 are positioned in the connecting groove 13, the installation difficulty of the rubber sealing gasket 14 can be reduced, the use of the rubber sealing gasket 14 is convenient, the number of the connecting clamping columns 15 is four in total, the contact area between the rubber sealing gasket 14 and the oil pipe tee joint 1 can be increased, the installation of the rubber sealing gasket 14 can be more stable, the middle parts of two ends of the oil pipe tee joint 1, which are close to the sealing groove 12, the inner diameter of the joint of the, one end of the connecting clamp pipe 16 is positioned in the oil production pipe 2, so that the sealing performance of the joint of the oil pipe tee joint 1, the oil production pipe 2 and the hanger 3 can be improved, and the use of the oil pipe tee joint 1 is facilitated.

The utility model discloses use as follows: when the oil pipe tee joint 1 is connected with an external pipeline, a worker adjusts the positions of the oil pipe tee joint 1 and the external pipeline to enable the connecting clamp pipe 16 to enter the external pipeline, the joint of the oil pipe tee joint 1 and the external pipeline can be preliminarily sealed by using the connecting clamp pipe 16, then the worker installs a connecting bolt to fix the oil pipe tee joint 1 and the external pipeline, the joint of the oil pipe tee joint 1 and the external pipeline can be sealed again through the sealing groove 12 and the rubber sealing gasket 14, the anti-seepage performance of the oil pipe tee joint 1 when connected with the external pipeline can be improved through twice sealing, and the oil pipe tee joint 1 can be conveniently used;

after the oil pipe tee joint 1 is in bolted connection with an external pipeline, a worker respectively installs the annular protection plates 4 at two sides of the joint of the oil pipe tee joint 1 and the external pipeline, so that the limiting clamping columns 11 respectively enter the first positioning clamping groove 9 and the second positioning clamping groove 10, after the positions of the two annular protection plates 4 are adjusted, the worker installs the fixing bolts 8 through the fixing clamping holes 7 to fixedly connect the two annular protection plates 4, the joint of the oil pipe tee joint 1 and the external pipeline can be fixed in an auxiliary manner through the matching use of the two annular protection plates 4, the connection of the oil pipe tee joint 1 and the external pipeline can be more stable, the use of the oil pipe tee joint 1 is convenient, the installation of the annular protection plates 4 can be positioned and limited through the first positioning clamping groove 9, the second positioning clamping groove 10 and the limiting clamping columns 11, and the installation difficulty of the annular protection plates 4 can be reduced, the annular protection plate 4 is convenient to mount and use quickly.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

Claims

1. The utility model provides a tee bend of leakproofness for oil well head, includes oil pipe tee bend (1), its characterized in that: one end of the oil pipe tee joint (1) is connected with an oil production pipe (2), the other end of the oil pipe tee joint (1) is connected with a hanger (3), two sides of the outer surface of the joint of the oil pipe tee joint (1) and the oil production pipe (2) and two sides of the outer surface of the joint of the oil pipe tee joint (1) and the hanger (3) are both provided with annular protection plates (4), the middle part of the inner wall of each annular protection plate (4) is provided with a limiting clamping groove (5), two side edges of the outer surface of each annular protection plate (4) are welded with a fixed clamping block (6), one end edge of each fixed clamping block (6) is provided with a fixed clamping hole (7), a fixed bolt (8) is arranged in each fixed clamping hole (7), two side edges of the outer surface of the oil production pipe (2) and two side edges of the outer surface of the hanger (3) are both, and limiting clamping columns (11) are welded on two sides of the middle part of the inner wall of the limiting clamping groove (5).

2. The three-way seal for an oil wellhead as claimed in claim 1, wherein: seal groove (12) have all been seted up at oil pipe tee bend (1) both ends middle part, spread groove (13) have been seted up to seal groove (12) inner wall one end equidistance, inside the sealed pad of rubber (14) having placed of seal groove (12), the equidistant welding in sealed pad of rubber (14) one end middle part has connect the card post (15), all weld in oil pipe tee bend (1) both ends middle part is close to seal groove (12) department and has connect card pipe (16).

3. The three-way seal for an oil wellhead as claimed in claim 1, further comprising: connecting holes are formed in the two end edge portions of the oil pipe tee joint (1), one end edge portion of the oil production pipe (2) and one end edge portion of the hanger (3) at equal intervals, and connecting bolts are arranged inside the connecting holes.

4. The three-way seal for an oil wellhead as claimed in claim 1, further comprising: the thickness of the joint of the oil pipe tee joint (1) and the oil production pipe (2) and the thickness of the joint of the oil pipe tee joint (1) and the hanger (3) are equal to the length of the longitudinal section of the limiting clamping groove (5).

5. The three-way seal for an oil wellhead as claimed in claim 1, wherein: the number of the first positioning clamping grooves (9) is eight in total, the number of the second positioning clamping grooves (10) is eight in total, the number of the limiting clamping columns (11) is sixteen in total, the inner diameter of the first positioning clamping grooves (9) is the same as that of the second positioning clamping grooves (10), and the diameter of the limiting clamping columns (11) is the same as that of the first positioning clamping grooves (9).

6. The three-way seal for an oil wellhead as claimed in claim 2, wherein: the cross-sectional dimension of rubber seal pad (14) is the same with the cross-sectional dimension of seal groove (12), connect inside the card post (15) is located connecting groove (13).

7. The three-way seal for an oil wellhead as claimed in claim 2, wherein: the number of the connecting clamping columns (15) is four in total.

8. The three-way seal for an oil wellhead as claimed in claim 2, wherein: the inner diameter of the joint of the oil production pipe (2) is the same as that of the joint of the hanger (3), the diameter of the connecting clamp pipe (16) is the same as that of the joint of the oil production pipe (2), and one end of the connecting clamp pipe (16) is positioned inside the oil production pipe (2).