CN213980743U

CN213980743U - Fracturing wellhead tubing hanger convenient to use

Info

Publication number: CN213980743U
Application number: CN202023047575.9U
Authority: CN
Inventors: 金立忠
Original assignee: Gute Petroleum Equipment Jiangsu Co ltd
Current assignee: Gute Petroleum Equipment Jiangsu Co ltd
Priority date: 2020-12-17
Filing date: 2020-12-17
Publication date: 2021-08-17
Anticipated expiration: 2030-12-17

Abstract

The utility model discloses a convenient to use's fracturing well head tubing hanger, including the oil pipe head, the top of oil pipe head is provided with the hanger body, the bottom of hanger body extends to the inside of oil pipe head, the inside swing joint of hanger body has the case, the right side of case extends to the outside of hanger body and is provided with control mechanism, control mechanism's surface is provided with stop gear and complementary unit respectively, the surface seal of case is connected with the sealing ring, the outside fixedly connected with support ring of sealing ring, the fixed surface of hanger body is connected with the sleeve pipe that is located oil pipe head inside. The utility model discloses a set up the case, come to control the flow through tubing hanger oil to utilize sealing ring and support ring, come to seal the case, avoid the oil to flow from the gap between case and the hanger body, improved tubing hanger's practicality.

Description

Fracturing wellhead tubing hanger convenient to use

Technical Field

The utility model relates to a tubing hanger technical field specifically is a convenient to use's fracturing well head tubing hanger.

Background

The oil pipe hanger is a device for supporting an oil pipe column and sealing an annular space between the oil pipe and a casing, and the sealing mode of the oil pipe hanger is that the oil pipe hanger is connected with the oil pipe and is seated in a large four-way cone body of the oil pipe hanger by using the gravity of the oil pipe to be sealed, so that the operation is convenient, the wellhead changing speed is high, and the safety is high, so that the oil pipe hanger is a mode commonly used by medium-deep wells and conventional wells.

And the oil pipe hanger on the market does not possess the flow control function, can't carry out effectual control to the oil mass at the in-process of oil development, when carrying oil to storage device, takes place to spill over easily, causes the waste of resource to the practicality of oil pipe hanger has been reduced.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides among the above-mentioned background art, the utility model aims to provide a convenient to use's fracturing well head tubing hanger possesses the advantage that improves tubing hanger practicality, has solved the unpractical problem of current tubing hanger.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a convenient to use's fracturing well head oil pipe hanger, includes the oil pipe head, the top of oil pipe head is provided with the hanger body, the bottom of hanger body extends to the inside of oil pipe head, the inside swing joint of hanger body has the case, the right side of case extends to the outside of hanger body and is provided with control mechanism, control mechanism's surface is provided with stop gear and complementary unit respectively, the sealed surface connection of case has the sealing ring, the outside fixedly connected with support ring of sealing ring, the outside of support ring and the inner wall fixed connection of hanger body, the fixed surface of hanger body is connected with the sleeve pipe that is located oil pipe head inside, sheathed tube surface is provided with fixed establishment and protection machanism respectively.

As the utility model discloses it is preferred, control mechanism is including setting up the handle on oil pipe head right side, the left side of handle extends to the inside and the fixedly connected with fixture block of oil pipe head, the inside that the hanger body and extend to the case is run through in the left side of fixture block.

As the utility model discloses it is preferred, stop gear includes fixed connection and is located the inside spacing ring of oil pipe head on the handle surface, the right side fixedly connected with pressure spring of spacing ring, the right side of pressure spring and the inner wall fixed connection of oil pipe head.

As the utility model discloses preferred, complementary unit is including seting up on the first right side of oil pipe and being located the outside recess of handle, the inner wall fixedly connected with damping ring of recess, the inboard of damping ring and the surface contact of handle.

As the utility model discloses preferred, fixed establishment is including seting up in the spacing hole on sleeve pipe surface, the inner wall fixedly connected with spring catch of oil pipe head, the inboard of spring catch extends to the inside in spacing hole.

As the utility model discloses preferred, protection machanism includes the sealing strip of fixed connection on the sleeve pipe surface, the outside of sealing strip and the inner wall sealing connection of oil pipe head, the solid fixed ring of inner wall fixedly connected with of oil pipe head, gu fixed ring's top and sheathed tube bottom contact.

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

1. the utility model discloses a set up the case, come to control the flow through tubing hanger oil to utilize sealing ring and support ring, come to seal the case, avoid the oil to flow from the gap between case and the hanger body, improved tubing hanger's practicality.

2. The utility model discloses a set up control mechanism, come to control the case, carry on spacingly to the hanger body simultaneously, prevent that the hanger body from taking place rotatoryly to influence the spring catch and to the fixed of hanger body, improved the stability of oil pipe hanger.

3. The utility model discloses a set up stop gear, come to carry on spacingly to the handle, avoid the handle to drop from the oil pipe head, improved the stability of oil pipe hanger.

4. The utility model discloses a set up complementary unit, increase the rotatory frictional force that makes the receiving of handle, avoid the handle because the oil strikes the case, and take place to rotate, improved the stability of oil pipe hanger.

5. The utility model discloses a set up fixed establishment, come to fix the hanger body, avoid the hanger body because receive the impact of oil, come out from the overhead drop of oil pipe, improved the stability of oil pipe hanger.

6. The utility model discloses a set up the sealing strip, come to seal between sleeve pipe and the oil pipe head to utilize solid fixed ring to come to support the hanger body, avoid the hanger body to fall into the inside of oil pipe head completely, improved the stability of oil pipe hanger.

Drawings

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

FIG. 2 is a schematic front sectional view of the oil pipe head according to the present invention;

FIG. 3 is a schematic top cross-sectional view of the structural tubing head of the present invention;

fig. 4 is an enlarged structural view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a tubing head; 2. a hanger body; 3. a valve core; 4. a control mechanism; 41. a handle; 42. a clamping block; 5. a limiting mechanism; 51. a limiting ring; 52. a pressure spring; 6. an auxiliary mechanism; 61. a groove; 62. a damping ring; 7. a seal ring; 8. a support ring; 9. a sleeve; 10. a fixing mechanism; 101. a limiting hole; 102. a spring pin; 11. a protection mechanism; 111. a sealing strip; 112. and (4) fixing the ring.

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.

As shown in fig. 1-4, the utility model provides a pair of convenient to use's fracturing well head tubing hanger, including tubing head 1, tubing head 1's top is provided with hanger body 2, hanger body 2's bottom extends to tubing head 1's inside, hanger body 2's inside swing joint has case 3, case 3's right side extends to hanger body 2's outside and is provided with control mechanism 4, control mechanism 4's surface is provided with stop gear 5 and complementary unit 6 respectively, case 3's surface sealing connection has sealing ring 7, the outside fixedly connected with support ring 8 of sealing ring 7, the outside of support ring 8 and hanger body 2's inner wall fixed connection, hanger body 2's surface fixed connection is connected with the sleeve pipe 9 that is located tubing head 1 inside, the surface of sleeve pipe 9 is provided with fixed establishment 10 and protection machanism 11 respectively.

Referring to fig. 4, the control mechanism 4 includes a handle 41 disposed on the right side of the tubing head 1, a left side of the handle 41 extends into the tubing head 1 and is fixedly connected with a latch 42, and a left side of the latch 42 penetrates through the hanger body 2 and extends into the valve core 3.

As the utility model discloses a technical optimization scheme comes to control case 3 through setting up control mechanism 4, carries on spacingly to hanger body 2 simultaneously, prevents that hanger body 2 from taking place rotatoryly to influence the fixed of spring catch 102 to hanger body 2, improved the stability of oil pipe hanger.

Referring to fig. 2, the limiting mechanism 5 includes a limiting ring 51 fixedly connected to the surface of the handle 41 and located inside the tubing head 1, a pressure spring 52 is fixedly connected to the right side of the limiting ring 51, and the right side of the pressure spring 52 is fixedly connected to the inner wall of the tubing head 1.

As a technical optimization scheme of the utility model, through setting up stop gear 5, come to carry on spacingly to handle 41, avoid handle 41 to drop from oil pipe head 1 in, improved the stability of oil pipe hanger.

Referring to fig. 2, the auxiliary mechanism 6 includes a groove 61 opened on the right side of the tubing head 1 and located outside the handle 41, a damping ring 62 is fixedly attached to the inner wall of the groove 61, and the inner side of the damping ring 62 is in contact with the surface of the handle 41.

As a technical optimization scheme of the utility model, through setting up complementary unit 6, increase the rotatory frictional force that makes the receiving of handle 41, avoid handle 41 because oil strikes case 3, and take place to rotate, improved the stability of oil pipe hanger.

Referring to fig. 3, the fixing mechanism 10 includes a limiting hole 101 formed in the surface of the casing 9, a spring pin 102 is fixedly connected to the inner wall of the tubing head 1, and the inner side of the spring pin 102 extends to the inside of the limiting hole 101.

As a technical optimization scheme of the utility model, through setting up fixed establishment 10, fix hanger body 2, avoid hanger body 2 because receive the impact of oil, come out from coming off in the oil pipe head 1, improved the stability of oil pipe hanger.

Referring to fig. 2, the protection mechanism 11 includes a sealing strip 111 fixedly connected to the surface of the casing 9, the outer side of the sealing strip 111 is connected to the inner wall of the tubing head 1 in a sealing manner, the inner wall of the tubing head 1 is fixedly connected to a fixing ring 112, and the top of the fixing ring 112 is in contact with the bottom of the casing 9.

As a technical optimization scheme of the utility model, through setting up sealing strip 111, come to seal between sleeve pipe 9 and the oil pipe head 1 to utilize solid fixed ring 112 to come to support hanger body 2, avoid hanger body 2 to fall into the inside of oil pipe head 1 completely, improved the stability of oil pipe hanger.

The utility model discloses a theory of operation and use flow: during the use, when reducing oil flow, rotate handle 41 earlier, handle 41 passes through fixture block 42 and drives case 3 rotatory, case 3 reduces the inside diameter of oil pipe hanger through the rotation, thereby the flow of oil has been reduced, when increasing oil flow, reverse rotation handle 41 earlier, handle 41 passes through fixture block 42 and drives case 3 reverse rotation, case 3 increases the inside diameter of oil pipe hanger through reverse rotation, thereby the flow of oil has been increased, finally make the oil pipe hanger possess the function of control flow, the practicality of oil pipe hanger has been improved.

In summary, the following steps: this convenient to use's fracturing well head tubing hanger through setting up case 3, comes to control the flow through tubing hanger oil to utilize sealing ring 7 and support ring 8, come to seal case 3, avoid the oil to flow from the gap between case 3 and the hanger body 2, improved tubing hanger's practicality.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

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 convenient to use's fracturing well head tubing hanger, includes tubing head (1), its characterized in that: the top of the tubing head (1) is provided with a hanger body (2), the bottom of the hanger body (2) extends to the interior of the tubing head (1), a valve core (3) is movably connected inside the hanger body (2), the right side of the valve core (3) extends to the outside of the hanger body (2) and is provided with a control mechanism (4), the surface of the control mechanism (4) is respectively provided with a limiting mechanism (5) and an auxiliary mechanism (6), the surface of the valve core (3) is hermetically connected with a sealing ring (7), the outer side of the sealing ring (7) is fixedly connected with a supporting ring (8), the outer side of the supporting ring (8) is fixedly connected with the inner wall of the hanger body (2), the surface of the hanger body (2) is fixedly connected with a sleeve (9) positioned in the tubing head (1), the surface of the sleeve (9) is provided with a fixing mechanism (10) and a protection mechanism (11) respectively.

2. The fracturing wellhead tubing hanger of claim 1, wherein: the control mechanism (4) comprises a handle (41) arranged on the right side of the oil pipe head (1), the left side of the handle (41) extends to the inside of the oil pipe head (1) and is fixedly connected with a clamping block (42), and the left side of the clamping block (42) penetrates through the hanger body (2) and extends to the inside of the valve core (3).

3. A frac wellhead tubing hanger as claimed in claim 2 wherein: limiting mechanism (5) are including fixed connection at handle (41) surface and be located inside spacing ring (51) of oil pipe head (1), the right side fixedly connected with pressure spring (52) of spacing ring (51), the right side of pressure spring (52) and the inner wall fixed connection of oil pipe head (1).

4. A frac wellhead tubing hanger as claimed in claim 2 wherein: the auxiliary mechanism (6) comprises a groove (61) which is arranged on the right side of the oil pipe head (1) and located outside the handle (41), the inner wall of the groove (61) is fixedly connected with a damping ring (62), and the inner side of the damping ring (62) is in contact with the surface of the handle (41).

5. The fracturing wellhead tubing hanger of claim 1, wherein: the fixing mechanism (10) comprises a limiting hole (101) formed in the surface of the sleeve (9), a spring pin (102) is fixedly connected to the inner wall of the tubing head (1), and the inner side of the spring pin (102) extends into the limiting hole (101).

6. The fracturing wellhead tubing hanger of claim 1, wherein: protection machanism (11) are including sealing strip (111) of fixed connection on sleeve pipe (9) surface, the outside of sealing strip (111) and the inner wall sealing connection of oil pipe head (1), the fixed ring (112) of inner wall fixedly connected with of oil pipe head (1), the top of fixed ring (112) and the bottom contact of sleeve pipe (9).