CN221074164U - Rotary operation device for oil field well repair - Google Patents

Abstract

The utility model discloses an oilfield workover rotary operation device which comprises a connecting pipe, a sealing gasket and an oil pipe, wherein a mounting frame is fixed on the surface of the connecting pipe, threads are arranged on the surface of the middle section of the connecting pipe and are connected with a swivel, a conical sleeve is sleeved on the surface of the connecting pipe and positioned below the swivel in a sliding manner, an annular T-shaped groove is formed in the top of the conical sleeve, T-shaped sliding blocks are arranged on two sides of the inner part of the annular T-shaped groove in a sliding manner, the top of the T-shaped sliding blocks are fixed with the swivel through a short shaft, the sealing gasket is cylindrical, a cavity is formed in the top of the sealing gasket, and a soft sealing gasket cylinder made of a sealing gasket specific rubber material is arranged on the top of the sealing gasket. This rotatory operation device of oil field workover, along with conical sleeve's downhill movement during the use, conical sleeve deepens the cavity of sealed pad, extrudees sealed pad and pastes tight oil pipe inner wall and realize sealedly, and also need not change sealed pad and connecting pipe when facing the oil pipe of different models, only need adjust conical sleeve's position can.

Description

Rotary operation device for oil field well repair

Technical Field

The utility model relates to the technical field of oilfield workover operation, in particular to an oilfield workover rotation operation device.

Background

Workover operation refers to oil drilling and subsequent well maintenance operations, and maintenance measures are taken to ensure that the well can be used successfully. In the existing well workover action, sand washing needs to be carried out on an oil pipe, the existing sand washing is connected with the oil pipe through a connecting pipe, water is injected later, sand is taken out through a water source, but the oil pipe is not of the same specification, so that connecting pipes of different specifications are required to be connected, and the automatic well workover rig is inconvenient to work.

The utility model of the patent number CN216406740U discloses a rotary sand washing device for an automatic well workover rig, which not only can fix an oil pipe through a first electric telescopic rod and a second electric telescopic rod, but also can enable a second connecting pipe and a sealing ring to be connected with the oil pipe, and a sealing plug not only can play a sealing role, but also can effectively enable the second connecting pipe to be connected with the oil pipes with different specifications. And can make the sealing plug better be connected with the second connecting pipe through the screw rod, with the help of scale, limiting plate, the specification of detectable oil outlet pipe to can accurate selection suitable sealing washer, save time.

However, the above-mentioned prior art has some drawbacks, such as; the scale is inconvenient to measure the size that the sealing gasket can not be confirmed to the inside diameter side external diameter pair of oil pipe, and secondly sealed through bolt fastening on the limiting plate, all need twist a plurality of bolts when installing at every turn, and is comparatively loaded down with trivial details.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides an oilfield workover rotary operation device for solving the problems.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a rotatory operation device of oil field workover, includes connecting pipe, sealed pad and oil pipe, the fixed surface of connecting pipe has the mounting bracket, the surface of the middle section of connecting pipe is provided with the screw thread to its threaded connection has the swivel, the surface of connecting pipe and be located swivel below slip cap and be equipped with the toper sleeve, annular T type groove has been seted up at the telescopic top of toper, the inside both sides of annular T type groove all slide and are provided with T type slider to the top of T type slider is fixed mutually through minor axis and swivel.

Preferably, the sealing gasket is cylindrical, and a cavity is formed in the top of the sealing gasket.

Preferably, the gasket is a soft gasket cylinder made of a rubber material, and the top edge of the soft gasket cylinder is provided with a protruding edge.

Preferably, the both sides of mounting bracket bottom all are fixed with electric putter A to electric putter A's bottom is fixed with the link, and the link bottom is provided with fixture.

Preferably, the clamping mechanism is composed of two electric push rods B, the two electric push rods B are transversely and symmetrically fixed at the bottoms of the two connecting frames, and clamping plates are fixed at the output ends of the electric push rods B.

Advantageous effects

The utility model provides a rotary operation device for oil field well repair. The beneficial effects are as follows:

This rotatory operation device of oil field workover, twist the swivel during the use, owing to its thread bush is established on the oil pipe surface, so it can be along the decline of oil pipe spiral, makes the conical sleeve go deep into the cavity of sealed pad, along with conical sleeve's downmovement, extrudees sealed pad and pastes tight oil pipe inner wall and realize sealedly, and also need not change sealed pad and connecting pipe when facing the oil pipe of different models, only need adjust conical sleeve's position can.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-section of a cone sleeve of the present utility model;

fig. 3 is a schematic view of the structure of the top of the cone sleeve of the present utility model.

In the figure: 1. connecting pipe 2, sealing gasket 3, oil pipe 4, mounting bracket 5, electric putter A6, link 7, electric putter B8, splint 9, screw thread 10, swivel 11, conical sleeve 12, annular T type groove 13, T type slider 14, minor axis 15, cavity.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model provides a technical solution: the utility model provides an rotatory operation device of oil field workover, including connecting pipe 1, sealed pad 2 and oil pipe 3, the fixed surface of connecting pipe 1 has mounting bracket 4, the both sides of mounting bracket 4 bottom all are fixed with electric putter A5, and electric putter A5's bottom is fixed with link 6, link 6 bottom is provided with fixture, fixture comprises two electric putter B7, two electric putter B7 transverse symmetry is fixed in the bottom of two links 6, and electric putter B7's output is fixed with splint 8, when two electric putter B7 starts, promote two splint and draw close to the centre, press from both sides oil pipe 3 tightly, then electric putter A5 contracts, drive mounting bracket and connecting pipe 1 decline, make connecting pipe 1 bottom insert inside oil pipe 3.

The sealing gasket 2 is cylindrical, the top of the sealing gasket 2 is provided with a cavity 15, the sealing gasket 2 is a soft sealing gasket cylinder made of a specific rubber material, the top edge of the soft sealing gasket cylinder is provided with a protruding edge, the protruding edge of the top of the sealing gasket cylinder is covered on the edge of an oil pipe when the sealing gasket is used, and the conical sleeve is prevented from moving downwards to drive the sealing gasket to completely submerge into the oil pipe.

The surface of the middle section of the connecting pipe 1 is provided with threads 9, and the threads are connected with a swivel 10, the surface of the connecting pipe 1 is sleeved with a conical sleeve 11 in a sliding manner below the swivel, an annular T-shaped groove 12 is formed in the top of the conical sleeve 11, T-shaped sliding blocks 13 are arranged on two sides of the inner portion of the annular T-shaped groove 12 in a sliding manner, the top of the T-shaped sliding blocks 13 are fixed with the swivel 10 through a short shaft 14, and when the swivel 10 is screwed, the conical sleeve is deeply or separated from a cavity 15 of a sealing gasket due to the fact that the threaded sleeve is sleeved on the surface of an oil pipe in a descending or ascending manner along the spiral of the oil pipe.

When the sealing gasket is specifically used, the sealing gasket 2 is sleeved on the bottom end surface of the connecting pipe, then the electric push rod A5 is retracted, the mounting frame and the connecting pipe 1 are driven to descend, the bottom end of the connecting pipe 1 is inserted into the oil pipe 3 until the protruding edge of the top of the sealing gasket cylinder is covered on the edge of the oil pipe, then the swivel 10 is screwed, as the screw thread is sleeved on the surface of the oil pipe, the sealing gasket can descend along the spiral of the oil pipe, the conical sleeve penetrates into the cavity 15 of the sealing gasket, the sealing gasket is extruded to be tightly attached to the inner wall of the oil pipe along with the downward movement of the conical sleeve, sealing is achieved, and the sealing gasket and the connecting pipe are not required to be replaced when the oil pipes of different types are faced, and the position of the conical sleeve is only required to be adjusted.

It is noted that relational terms such as first and second, and the like are 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. Moreover, 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 utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a rotatory operation device of oil field workover, includes connecting pipe (1), sealed pad (2) and oil pipe (3), its characterized in that: the surface fixing of connecting pipe (1) is provided with mounting bracket (4), the surface of the middle section of connecting pipe (1) is provided with screw thread (9) to its threaded connection has swivel (10), the surface of connecting pipe (1) and be located swivel below slip cap are equipped with conical sleeve (11), annular T type groove (12) have been seted up at the top of conical sleeve (11), the inside both sides of annular T type groove (12) all slide and are provided with T type slider (13) to the top of T type slider (13) is fixed mutually with swivel (10) through minor axis (14).

2. An oilfield workover rotary operation device according to claim 1, wherein: the sealing gasket (2) is cylindrical, and a cavity (15) is formed in the top of the sealing gasket (2).

3. An oilfield workover rotary operation device according to claim 1, wherein: the gasket (2) is a soft gasket cylinder made of a specific rubber material, and the top edge of the soft gasket cylinder is provided with a protruding edge.

4. An oilfield workover rotary operation device according to claim 1, wherein: both sides of mounting bracket (4) bottom all are fixed with electric putter A (5) to electric putter A's (5) bottom fixed with link (6), link (6) bottom is provided with fixture.

5. The oilfield workover rotary operation device of claim 4, wherein: the clamping mechanism consists of two electric push rods B (7), the two electric push rods B (7) are transversely and symmetrically fixed at the bottoms of the two connecting frames (6), and clamping plates (8) are fixed at the output ends of the electric push rods B (7).