CN211648048U - Eccentric well head rotary tool - Google Patents

Abstract

The utility model provides an eccentric well head rotary tool belongs to oil recovery mechanical equipment field. Eccentric well head rotary tool includes nut sleeve, rotor plate and a plurality of rotatory handle, the center department of nut sleeve link up and is equipped with the nut centre gripping chamber that is used for pressing from both sides the oil pipe nut, the center department of rotor plate link up and is equipped with the oil pipe centre gripping chamber that is used for pressing from both sides oil pipe, nut centre gripping chamber with oil pipe centre gripping chamber intercommunication, the rotor plate is fixed on nut sleeve's an terminal surface, the edge of rotor plate is provided with a plurality of rotatory handles spaced apart from each other. This is disclosed through rotating a plurality of rotatory handles, drives nut sleeve and rotor plate together and rotates, just also rotates the oil pipe nut in the nut centre gripping intracavity, like this alright avoid also leading to eccentric well head rotary tool to be bent, break off with the fingers and thumb because all effort are concentrated together.

Description

Eccentric well head rotary tool

Technical Field

The utility model belongs to oil recovery mechanical equipment field, in particular to eccentric well head rotary tool.

Background

In oil field production, eccentric wellheads are generally used to lower test instruments into the oil jacket annular space, and the specific process is that the test instruments are hoisted through steel wires or cables and then lowered into the well from the oil jacket annular space. In the lowering process, in order to prevent a cable or a steel wire from being wound on an oil pipe, the oil pipe in an eccentric wellhead can be rotated randomly by general requirements, so that the phenomena of steel wire winding, blockage and pre-clamping are relieved by rotating the oil pipe.

In the related art, the tubing of the eccentric wellhead is rotated by a simple wrench or tong, for example, the wrench or tong is clamped on a tubing nut of the tubing, and then the wrench or tong is rotated.

However, an oil pipe of 1000-2000 m is suspended below a flange of an eccentric wellhead, and liquid is still in the oil pipe, so that the oil pipe is very difficult to rotate by using the method, and 4-5 persons are generally required to rotate a wrench or a stressing handle of a large pipe wrench together. In the rotating process, because a plurality of people are crowded together, force application is easy to cause improper force application, so that a wrench or a large pipe wrench is bent and broken off or the wrench or the large pipe wrench is separated from an oil pipe nut, even the oil pipe nut of an oil pipe is deformed, and the like, which can directly influence the test data recording work of an oil well.

SUMMERY OF THE UTILITY MODEL

The embodiment of the disclosure provides an eccentric wellhead rotating tool, which can rotate an oil pipe of an eccentric wellhead quickly and conveniently. The technical scheme is as follows:

the embodiment of the disclosure provides an eccentric well head rotary tool, eccentric well head rotary tool includes nut sleeve, rotor plate, the center department of nut sleeve link up and is equipped with the nut centre gripping chamber that is used for pressing from both sides the oil pipe nut, the center department of rotor plate link up and is equipped with the oil pipe centre gripping chamber that is used for pressing from both sides oil pipe, nut centre gripping chamber with oil pipe centre gripping chamber intercommunication, the rotor plate is fixed on a terminal surface of nut sleeve, the edge of rotor plate is provided with a plurality of rotation handles that separate each other.

In one implementation manner of the present disclosure, a fastening hole is formed in the nut sleeve, the fastening hole penetrates through the inner side wall and the outer side wall of the nut sleeve, the fastening hole is communicated with the nut clamping cavity, and a fastening member is inserted into the fastening hole.

In another implementation manner of the present disclosure, the nut sleeve is an annular structure having an opening on an outer side wall, the opening penetrates through the inner side wall and the outer side wall of the nut sleeve, and a stop member for abutting against the oil pipe nut is disposed at a position of the nut sleeve corresponding to the opening.

In yet another implementation of the disclosure, the two stop members are oppositely disposed at the opening of the nut socket.

In another implementation manner of the disclosure, the inner side wall of the nut sleeve is provided with first anti-slip grooves at regular intervals.

In another implementation manner of the present disclosure, the rotating plate is a polygonal prism structure having a notch on an outer sidewall, and at most one rotating handle is fixed on the outer sidewall of each rotating handle.

In yet another implementation of the present disclosure, each of the rotation handles is welded on an outer sidewall of the rotation plate.

In another implementation manner of the present disclosure, second anti-slip grooves are uniformly arranged on the inner side wall of the rotating plate at intervals.

In yet another implementation of the present disclosure, the nut sleeve is welded with the swivel plate.

In yet another implementation manner of the present disclosure, an end of the rotation handle is provided with a hollow portion for inserting a force application rod.

The technical scheme provided by the embodiment of the disclosure has the following beneficial effects:

when the eccentric well mouth rotary tool provided by the embodiment rotates the oil pipe in the eccentric well mouth, the eccentric well mouth rotary tool is sleeved on the eccentric well mouth, so that the oil pipe nut of the eccentric well mouth is positioned in the nut clamping cavity, and the oil pipe of the eccentric well mouth is positioned in the oil pipe clamping cavity. Because eccentric well head rotary tool still includes a plurality of rotatory handles, and the spaced side of fixing at the rotor plate of a plurality of rotatory handles, so every operating personnel can all hold a rotatory handle and twist soon, can not crowd together, has avoided the incident of personnel's collision, also avoids simultaneously because all effort all concentrate together, and lead to eccentric well head rotary tool to be bent, break off with the fingers and thumb. By screwing the plurality of rotating handles, the nut sleeve and the rotating plate are driven to rotate together, and the oil pipe nut in the nut clamping cavity is rotated.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.

FIG. 1 is a schematic diagram of an eccentric wellhead rotary tool provided by an embodiment of the present disclosure;

FIG. 2 is a schematic diagram of an eccentric wellhead configuration provided by embodiments of the present disclosure;

FIG. 3 is a state diagram of an eccentric wellhead rotary tool in use provided by an embodiment of the present disclosure.

The symbols in the drawings represent the following meanings:

1. a nut socket; 10. a nut clamping cavity; 101. a first anti-slip groove; 11. a fastening hole; 12. a fastener; 13. an opening; 14. a stopper;

2. a rotating plate; 20. an oil pipe clamping cavity; 21. a notch; 22. a second anti-slip groove;

3. a rotation handle; 31. hollow part

100. A wellhead fixing flange; 200. an oil pipe; 201. an oil pipe nut; 300. an eccentric disc; 301. an eccentric small disc; 302. an eccentric large disc; 400. a keyway; 401. a connecting key.

Detailed Description

To make the objects, technical solutions and advantages of the present disclosure more apparent, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

The embodiment of the disclosure provides an eccentric wellhead rotating tool, as shown in fig. 1, the eccentric wellhead rotating tool comprises a nut sleeve 1 and a rotating plate 2, a nut clamping cavity 10 for clamping an oil pipe nut 201 is arranged at the center of the nut sleeve 1 in a penetrating manner, an oil pipe clamping cavity 20 for clamping an oil pipe 200 is arranged at the center of the rotating plate 2 in a penetrating manner, the nut clamping cavity 10 is communicated with the oil pipe clamping cavity 20, the rotating plate 2 is fixed on one end face of the nut sleeve 1, and a plurality of rotating handles 3 which are spaced from each other are arranged at the edge of the rotating plate 2.

When the eccentric wellhead rotating tool provided by the embodiment rotates the oil pipe 200 in the eccentric wellhead, the eccentric wellhead rotating tool is sleeved on the eccentric wellhead, so that the oil pipe nut 201 of the eccentric wellhead is positioned in the nut clamping cavity 10, and the oil pipe 200 of the eccentric wellhead is positioned in the oil pipe clamping cavity 20. Because eccentric well head rotary tool still includes a plurality of rotation handles 3, and the spaced fixing on the side of rotor plate 2 of a plurality of rotation handles 3, so every operating personnel can all hold a rotation handle 3 and twist soon, can not crowded together, has avoided the incident of personnel's collision, also avoids simultaneously because all effort all concentrate together, and lead to eccentric well head rotary tool to be bent, break off with the fingers and thumb. By screwing the plurality of rotating handles 3, the nut sleeve 1 and the rotating plate 2 are driven to rotate together, and the oil pipe nut 201 in the nut clamping cavity 10 is rotated. The eccentric well head rotary tool that this embodiment provided simple structure, extensive applicability.

Fig. 2 is a schematic diagram of an eccentric wellhead device structure provided by an embodiment of the present disclosure, with reference to fig. 2, an eccentric wellhead generally includes a wellhead mounting flange 100, an oil pipe 200, an oil pipe nut 201 and an eccentric disk 300, the eccentric disk 300 includes an eccentric small disk 301 and an eccentric large disk 302, the wellhead mounting flange 100 fixes the wellhead, the eccentric small disk 301 is coaxially threaded on the oil pipe 200, the eccentric large disk 302 is installed on the eccentric small disk 301, the eccentric large disk 302 and the wellhead mounting flange 100 are both correspondingly provided with a key slot 400, the key slot 400 is provided with a connecting key 401, the connecting key 401 can fix the eccentric large disk 302 on the eccentric small disk 301, or the connecting key 401 fixes the eccentric large disk 302 on the wellhead mounting flange 100.

Fig. 3 is a using state diagram of the eccentric wellhead rotation tool provided by the embodiment of the disclosure, and in combination with fig. 3, when the rotation handle 3 is rotated, the position of the connection key 401 can be adjusted to respectively realize the movement of the oil pipe 200 relative to the position in the air of the oil jacket ring or the rotation of the oil pipe 200.

For example, if the connecting key 401 is located in the key slot 400 of the small eccentric disc 301 and the large eccentric disc 302, that is, the small eccentric disc 301 and the large eccentric disc 302 are fixed together, when the rotary handle 3 is rotated, the tubing nut 201 rotates along with the small eccentric disc 301 and the large eccentric disc 302, and the position of the downhole tubing relative to the oil jacket annulus is changed, thereby facilitating the oil well test. If the connecting key 401 is located in the key slot 400 of the eccentric large disk 302 and the inlet fixing flange, when the rotating handle 3 is rotated, the oil pipe nut 201 rotates along with the connecting key, and only the eccentric small disk 301 is driven to rotate at the same time, so that the underground oil pipe rotates by itself, namely, the underground oil pipe rotates in situ.

Optionally, the profile of the nut holding cavity 10 matches the profile of the tubing nut 201, and the profile of the tubing holding cavity 20 matches the profile of the tubing 200.

In the above implementation manner, the above arrangement can ensure that the nut clamping cavity 10 can tightly surround the oil pipe nut, and the oil pipe clamping cavity 20 can accommodate the oil pipe, so as to ensure that the oil pipe is not blocked by the rotating plate 2 when rotating.

Illustratively, the tubing nut 201 may be a hex nut with an opening, the nut-gripping cavity 10 may likewise be a hexagon with an opening, the tubing 200 may be a cylindrical tube, and the tubing-gripping cavity 20 may be a circular cavity with a break.

Alternatively, the nut socket 1 and the rotary plate 2 are welded together.

In the above implementation, the nut socket 1 and the rotary plate 2 can be effectively and firmly mounted together through the above arrangement.

Referring to fig. 1 again, optionally, a fastening hole 11 is formed in the nut sleeve 1, the fastening hole 11 penetrates through the inner side wall and the outer side wall of the nut sleeve 1, the fastening hole 11 is communicated with a nut clamping cavity 10, and a fastening piece 12 is inserted into the fastening hole 11.

In the above implementation manner, the fastening piece 12 is screwed in the fastening hole 11, so that one end of the fastening piece 12 abuts against the side wall of the oil pipe nut 201, and thus the nut sleeve 1 and the oil pipe nut are relatively fixed, and further the nut sleeve 1 and the oil pipe nut 201 are prevented from rotating relatively, so that the oil pipe nut 201 is prevented from being disengaged from the nut sleeve 1, the potential safety hazard is reduced, and meanwhile, the rotating efficiency is also improved.

Illustratively, the fastening holes 11 may be screw holes and the fasteners 12 may be mating bolts.

Optionally, the inner side wall of the nut socket 1 is provided with first anti-slip grooves 101 at regular intervals.

In the above implementation manner, the first anti-slip groove 101 is provided to increase the friction force between the nut sleeve 1 and the oil pipe nut 201, so as to prevent the nut sleeve 1 and the oil pipe nut 201 from rotating relatively.

Alternatively, the nut sleeve 1 is of an annular structure having an opening 13 on an outer side wall, the opening 13 penetrates through the inner side wall and the outer side wall of the nut sleeve 1, and a stopper 14 for abutting against the tubing nut 201 is provided at a position of the nut sleeve 1 corresponding to the opening 13.

In the above implementation, the provision of the stopper 14 can prevent separation between the nut sleeve 1 and the tubing nut 201.

Alternatively, the stopper 14 may be two, and the two stoppers 14 are oppositely disposed at the opening of the nut socket 1.

In the above implementation manner, the two stop parts 14 are used in cooperation to ensure that the oil pipe nut 201 can be located in the nut clamping cavity in the nut sleeve 1, so as to facilitate the nut sleeve 1 to rotate the oil pipe nut 201.

With continued reference to fig. 1, illustratively, two stoppers 14 are welded on the end face at the opening 13 of the nut socket 1, and the thickness of each stopper 14 may be 10 mm.

In the above implementation, the stopper 14 is welded to the nut socket 1, so that the connection firmness between the stopper 14 and the nut socket 1 can be ensured.

Illustratively, the shape of the nut sleeve 1 can be 2/3 cylinder, the height of the nut sleeve 1 is 40-50 mm, the nut clamping cavity 10 in the middle of the nut sleeve 1 is a quadrangular opening cylinder, the distance between two opposite sides in the nut clamping cavity 10 is 100mm, and the fastening hole 11 is arranged on one side surface of the nut clamping cavity 10.

Alternatively, the rotating plate 2 has a polygonal prism structure with a notch 21 on the outer side wall, and at most one rotating handle 3 is fixed on the outer side wall of each rotating plate 2.

In above-mentioned implementation, above setting up can conveniently overlap rotor plate 2 on oil pipe, can make things convenient for the side that rotary handle 3 can the spaced rotor plate 2 of arranging again simultaneously for can hold many people around rotor plate 2, make things convenient for a plurality of operators to rotate rotor plate 2 jointly.

Illustratively, the rotating plate 2 is a rectangular parallelepiped, the angles between the inclined planes formed by chamfering the four corners and the axis of the rotating handle 3 are 60 °, and the oil pipe clamping cavity 20 of the rotating plate 2 is a cylindrical cavity with a radius of 33 mm.

Alternatively, each rotation handle 3 is welded on the outer side wall of the rotation plate 2.

In the above implementation mode, the rotation handle 3 and the rotation plate 2 can be effectively and firmly installed together through the above arrangement.

Illustratively, the number of the rotating handles 3 may be 3, and 3 rotating handles 3 are correspondingly welded on three sides of the rotating plate 2. Each rotating handle 3 is a rod column with the radius of 40mm and the length of 120-140 mm.

Optionally, the inner side wall of the rotating plate 2 is provided with second anti-slip grooves 22 at regular intervals.

In the above implementation manner, the second anti-slip groove 22 is provided to increase the friction force between the rotating plate 2 and the oil pipe 200, so as to prevent the rotating plate 2 and the oil pipe 200 from rotating relatively.

Optionally, the end of the rotation handle 3 is provided with a hollow 31 for inserting a force application rod.

In the above implementation, the hollow portion 31 is used to connect a force applying rod, so that the length of the rotation handle 3 is properly increased to increase the rotation arm, which can rotate the rotation plate 2 more laborsavingly.

The working mode of the eccentric wellhead rotary tool provided by the embodiment is briefly described as follows:

firstly, the rotary plate 2 is sleeved on the oil pipe 200 through the gap 21 of the eccentric wellhead, so that the nut sleeve 1 is sleeved on the outer wall of the oil pipe nut 201, the rotary plate 2 is sleeved on the outer wall of the oil pipe 200, then the fastening piece 12 is locked, so that the nut sleeve 1 and the oil pipe nut 201 are relatively fixed, then, the rotary handle 3 is rotated, the oil pipe nut 201 can be rotated, and meanwhile, the rotation of the oil pipe or the movement of the oil pipe relative to the position in the air of the oil sleeve ring can be respectively realized by adjusting the position of the connecting key 401 in the eccentric wellhead device.

The above description is intended to be exemplary only and not to limit the present disclosure, and any modification, equivalent replacement, or improvement made without departing from the spirit and scope of the present disclosure is to be considered as the same as the present disclosure.

Claims (10)

1. The utility model provides an eccentric well head rotary tool, its characterized in that, eccentric well head rotary tool includes nut sleeve (1), rotor plate (2), the center department of nut sleeve (1) link up and is equipped with nut centre gripping chamber (10) that are used for pressing from both sides dress oil pipe nut (201), the center department of rotor plate (2) link up and is equipped with oil pipe centre gripping chamber (20) that are used for pressing from both sides dress oil pipe (200), nut centre gripping chamber (10) with oil pipe centre gripping chamber (20) intercommunication, rotor plate (2) are fixed on an terminal surface of nut sleeve (1), the edge of rotor plate (2) is provided with a plurality of rotatory handles (3) that separate each other.

2. The eccentric wellhead rotary tool according to claim 1, characterized in that the nut sleeve (1) is provided with a fastening hole (11), the fastening hole (11) penetrates through the inner side wall and the outer side wall of the nut sleeve (1), the fastening hole (11) is communicated with the nut clamping cavity (10), and a fastening piece (12) is inserted in the fastening hole (11).

3. The eccentric wellhead rotation tool according to claim 1, characterized in that the nut sleeve (1) is of annular configuration with an opening (13) on the outer sidewall, the opening (13) passing through the inner and outer sidewalls of the nut sleeve (1), the nut sleeve (1) being provided with a stop (14) for abutting the tubing nut (201) at a location corresponding to the opening (13).

4. An eccentric wellhead rotation tool according to claim 3, characterized in that the stops (14) are two, the two stops (14) being oppositely arranged at the opening of the nut sleeve (1).

5. An eccentric wellhead rotation tool according to claim 1, characterized in that the inner side wall of the nut sleeve (1) is provided with first anti-slip grooves (101) at regular intervals.

6. An eccentric wellhead rotary tool according to claim 1 characterized in that the rotary plate (2) is a polygon prism structure with a gap (21) on the outer side wall, and at most one rotary handle (3) is fixed on the outer side wall of each rotary plate (2).

7. Eccentric wellhead rotary tool according to claim 1, characterized in that each rotary shank (3) is welded on the outer side wall of the rotary plate (2).

8. An eccentric wellhead rotary tool according to claim 1 characterized in that the inner side wall of the rotary plate (2) is provided with second anti-slip grooves (22) at regular intervals.

9. An eccentric wellhead rotary tool according to claim 1, characterized in that the nut sleeve (1) is welded with the swivel plate (2).

10. Eccentric wellhead rotary tool according to claim 1, characterised in that the end of the rotary shank (3) is provided with a hollow (31) for the insertion of a stressing rod.

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