Oil pipe hanger for fracturing wellhead

Abstract

The utility model relates to the technical field of tubing hangers, and discloses a tubing hanger for a fracturing wellhead, which comprises a fixed seat and a movable seat, an adjusting component is arranged on the left side of the movable seat and comprises a threaded rod and an electric push rod, concave frames are fixedly connected to the top and the bottom of the left side of the fixed seat, and the threaded rod is fixedly connected with the concave frames. And movable holes are formed in the top and the bottom of an inner cavity of the movable seat. By arranging the adjusting assembly, the position of the movable seat can be adjusted and moved, so that the movable seat can be matched with the fixed seat, the arc-shaped buffer plate on the left side moves towards the right side and is matched with the arc-shaped buffer plate on the right side at the moment, an oil pipe can be fastened, installation and use are convenient, disassembly and maintenance are easy, use convenience is greatly improved, and the service life of the oil pipe is prolonged. And meanwhile, by arranging the buffering assembly, the surface of the oil pipe can be buffered when the oil pipe is fastened, and the situation that the service life is affected due to damage to the surface of the oil pipe during fastening is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil pipe hanger technical field, concretely is an oil pipe hanger for fracturing well mouth. BACKGROUND

[0002] The oil pipe hanger is a device for supporting the oil pipe column and sealing the annular space between the oil pipe and the casing. The oil pipe hanger sealing method is to use the oil pipe gravity to seat the oil pipe hanger and the oil pipe into the ellipsoidal body of the oil pipe hanger to seal, which is convenient to operate, fast, safe and common in medium-deep well and conventional well.

[0003] For example, the oil tree oil pipe hanger provided in the patent No. CN219045403U includes a pipeline, a connecting disc one is fixedly installed on the lower side of the pipeline, and a connecting disc two is detachably connected to the connecting disc one. It also includes an installation slot penetratingly arranged on the connecting disc two, and a fixing slot inlaid on the lower side of the connecting disc two. A plug rod is fixedly connected to the lower side of the connecting disc one, a recess one is arranged on the plug rod, a clamping block is slidably connected in the recess one, a spring one is arranged between the clamping block and the recess one, the clamping block is clamped to the lower side of the connecting disc two, and a recess two is inlaid on the outer wall of the clamping block.

[0004] However, during the installation and dismounting process, multiple bolts need to be dismounted, which is not convenient for dismounting and installing, increases the dismounting time, and lacks a buffer structure when the oil pipe is fixed, which is easy to cause damage to the surface of the oil pipe. UTILITY MODEL CONTENTS

[0005] In view of the problems existing in the prior art, the utility model aims to provide an oil pipe hanger for fracturing well mouth to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an oil pipe hanger for fracturing well mouth, which comprises a fixed seat and a movable seat, the left side of the movable seat is provided with an adjusting assembly, the adjusting assembly comprises a threaded rod and an electric push rod, the top and bottom of the left side of the fixed seat are fixedly connected with recessed frames, the top and bottom of the inner cavity of the movable seat are provided with movable holes, the recessed frames penetrate through the movable holes and extend to the left side of the movable seat, and the inner cavity of the recessed frame is inlaid with a threaded sleeve which is threadedly connected with the threaded rod.

[0007] A buffer assembly is arranged between the fixed seat and the movable seat, the buffer assembly comprises two arc-shaped buffer plates, buffer grooves are arranged on the opposite sides of the inner cavities of the fixed seat and the movable seat, buffer rods are slidably connected to the top and bottom of the inner cavities of the buffer grooves, one end of each buffer rod is fixedly connected with an arc-shaped buffer plate, and springs are sleeved on the surfaces of the buffer rods.

[0008] By adopting the technical scheme, the position of the movable seat can be adjusted and moved, the movable seat can be cooperated with the fixed seat, the left arc-shaped buffer plate can be moved to the right, at this time, the arc-shaped buffer plate on the right is cooperated, the oil pipe can be fastened, the installation is convenient, the use is convenient, the disassembly and maintenance are easy, the use convenience is greatly improved, meanwhile, the buffer assembly is arranged, the surface of the oil pipe can be buffered when the oil pipe is fastened, the surface of the oil pipe is prevented from being damaged when being fastened, and the service life is affected.

[0009] Preferably, the top and bottom of the buffer groove inner cavity are provided with a sliding groove, the inner cavity of the sliding groove is slidably connected with a sliding block, and the end, away from the sliding groove, of the sliding block is fixedly connected with the buffer rod.

[0010] By adopting the technical scheme, the buffer rod can be limited and guided to move, and the stability during buffering is increased.

[0011] Preferably, the right side of the electric push rod is fixedly connected with a mounting plate, and the top and bottom of the mounting plate inner cavity are provided with mounting holes.

[0012] By adopting the technical scheme, the oil pipe hanger can be conveniently installed at the well wall.

[0013] Preferably, the left side of the threaded rod is fixedly connected with a handle, and the surface of the handle is provided with anti-skid lines.

[0014] By adopting the technical scheme, the threaded rod can be conveniently rotated by the staff, and the convenience of fastening and installation is realized.

[0015] Preferably, the right side of the threaded rod is movably connected with the movable seat through a bearing, and the threaded rod is located in the inner cavity of the threaded sleeve and is threadedly connected.

[0016] Preferably, the telescopic end of the electric push rod is fixedly connected with the fixed seat.

[0017] By adopting the technical scheme, the position of the hanger can be adjusted, the oil pipe is prevented from being in contact with the well wall, and the surface of the oil pipe is prevented from being rubbed and damaged.

[0018] Preferably, the opposite sides of the fixed seat and the movable seat are provided with arc-shaped grooves, and the two arc-shaped buffer plates are located in the inner cavities of the two arc-shaped grooves.

[0019] By adopting the technical scheme, the oil pipe can be conveniently fastened, and the stability is increased.

[0020] Compared with the prior art, the utility model has the advantages of the following:

[0021] The utility model discloses a set up adjusting assembly, can adjust the position of movable seat and move, make it can cooperate with fixed seat, make the arc buffer board of left side move to right side, cooperate with the arc buffer board of right side at this moment, can fasten oil pipe, its installation is convenient, and convenient to use, easy to dismount maintenance, greatly promote the use convenience, set up buffering assembly simultaneously, can buffer the surface of oil pipe when fastening oil pipe, avoid damaging the surface of oil pipe when fastening, influence service life. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the structure schematic view of the utility model;

[0023] Figure 2 It is the structure sectional view of the utility model;

[0024] Figure 3 It is the structure of the utility model Figure 2 The local enlarged view of A in the structure of the utility model;

[0025] Figure 4 It is the structure front view of the utility model.

[0026] In the drawing: 1, fixed seat;2, movable seat;3, adjusting assembly;301, threaded rod;302, electric push rod;303, concave frame;304, movable hole;305, threaded sleeve;4, buffering assembly;401, arc buffer board;402, buffer groove;403, buffer rod;404, spring;5, sliding slot;6, sliding block;7, mounting plate;8, mounting hole;9, handle. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0028] Embodiment 1:

[0029] Please refer to Figures 1-4The utility model provides a kind of tubing hanger for fracturing wellhead, including fixed seat 1 and movable seat 2, the left side of movable seat 2 is provided with adjusting assembly 3, adjusting assembly 3 includes threaded rod 301 and electric push rod 302, the top and bottom of the left side of fixed seat 1 are fixedly connected with recessed frame 303, the top and bottom of the inner cavity of movable seat 2 are all opened with movable hole 304, recessed frame 303 passes through movable hole 304 and extends to the left side of movable seat 2, the inner cavity of recessed frame 303 is embedded with threaded sleeve 305 for being threadedly connected with threaded rod 301;Buffering assembly 4 is arranged between fixed seat 1 and movable seat 2, buffering assembly 4 includes two arc-shaped buffer plates 401, the opposite sides of the inner cavity of fixed seat 1 and movable seat 2 are all opened with buffer groove 402, the top and bottom of the inner cavity of buffer groove 402 are all slidably connected with buffer rod 403, one end of buffer rod 403 is fixedly connected with arc-shaped buffer plate 401, the surface of buffer rod 403 is sleeved with spring 404, by setting adjusting assembly 3, the position of movable seat 2 can be adjusted and moved, so that it can cooperate with fixed seat 1, so that the left arc-shaped buffer plate 401 moves to the right, which cooperates with the right arc-shaped buffer plate 401, can fasten the tubing, which is convenient to install, easy to use, easy to disassemble and maintain, greatly improves the convenience of use, and the setting of buffering assembly 4 can buffer the surface of the tubing when fastening the tubing, avoid damaging the surface of the tubing when fastening, affect service life.

[0030] Embodiment 2:

[0031] Please refer to Figures 1-4 A tubing hanger for fracturing wellhead, including fixed seat 1 and movable seat 2, the top and bottom of the inner cavity of buffer groove 402 are all opened with sliding groove 5, the inner cavity of sliding groove 5 is slidably connected with sliding block 6, one end of sliding block 6 away from sliding groove 5 is fixedly connected with buffer rod 403, can buffer rod 403 is guided and moved, increase the stability when buffering, the right side of electric push rod 302 is fixedly connected with mounting plate 7, the top and bottom of the inner cavity of mounting plate 7 are all opened with mounting hole 8, can be convenient tubing hanger is installed at well wall, the left side of threaded rod 301 is fixedly connected with handle 9, the surface of handle 9 is provided with anti-skid line, can be convenient for staff to rotate operation threaded rod 301, realize the convenience of fastening installation, the right side of threaded rod 301 is movably connected with movable seat 2 through bearing, threaded rod 301 is located in the inner cavity of threaded sleeve 305 and is threadedly connected, the telescopic end of electric push rod 302 is fixedly connected with fixed seat 1, can adjust the position of hanger, avoid tubing and well wall contact, cause friction damage to the surface of tubing, the opposite sides of fixed seat 1 and movable seat 2 are all opened with arc-shaped groove, two arc-shaped buffer plates 401 are located in the inner cavity of two arc-shaped grooves respectively, can be convenient for tubing fastening, increase stability.

[0032] Working principle is:

[0033] In use, the oil pipe is passed through the arc-shaped slot between the fixed seat 1 and the movable seat 2, and then the handle 9 is rotated to drive the threaded rod 301 to rotate, and since the threaded sleeve 305 is embedded in the concave frame 303, when the threaded rod 301 rotates in the threaded sleeve 305, the threaded rod 301 will move to the right, thereby pushing the movable seat 2 to move to the right, achieving the position adjustment of the movable seat 2, so that it can cooperate with the fixed seat 1, and the left arc-shaped buffer plate 401 cooperates with the right arc-shaped buffer plate 401 to fasten the oil pipe, achieving convenient installation, convenient use, easy disassembly and maintenance, and greatly improving the use convenience, and when the two arc-shaped buffer plates 401 cooperate to fasten the oil pipe, the arc-shaped buffer plate 401 can buffer the extrusion of the oil pipe during fastening, and the buffer rod 403 can move left and right in the buffer groove 402 under the sliding cooperation of the sliding groove 5 and the sliding block 6 and under the cooperation of the spring 404, thereby buffering the surface of the oil pipe during fastening of the oil pipe, avoiding damage to the surface of the oil pipe during fastening, and affecting the service life, and the electric push rod 302 can adjust the position of the hanger, avoiding the contact between the oil pipe and the well wall and causing friction and damage to the surface of the oil pipe.

[0034] In summary: the oil pipe hanger for fracturing wellhead can adjust and move the position of the movable seat 2 through the adjustment assembly 3, so that it can cooperate with the fixed seat 1, and the left arc-shaped buffer plate 401 moves to the right, and at this time, the right arc-shaped buffer plate 401 cooperates to fasten the oil pipe, which is convenient to install, convenient to use, easy to disassemble and maintain, and greatly improves the use convenience, and the buffer assembly 4 can buffer the surface of the oil pipe during fastening of the oil pipe, avoiding damage to the surface of the oil pipe during fastening and affecting the service life.

[0035] The standard parts used in the present application can be purchased from the market, and can be customized according to the description and drawings, and the specific connection mode of each part adopts the conventional means such as bolts, rivets and welding in the prior art, the mechanical parts and equipment adopt the conventional types in the prior art, the control mode is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art, which belongs to the common knowledge in the field, and the present application is mainly used to protect the mechanical device, so the control mode and circuit connection are not explained in detail.

[0036] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A tubing hanger for a fracturing wellhead, comprising a fixed seat (1) and a movable seat (2), characterized in that: An adjustment assembly (3) is provided on the left side of the movable seat (2), and the adjustment assembly (3) includes a threaded rod (301) and an electric push rod (302). The top and bottom of the left side of the fixed seat (1) are fixedly connected to a concave frame (303). The top and bottom of the inner cavity of the movable seat (2) are provided with movable holes (304). The concave frame (303) passes through the movable holes (304) and extends to the left side of the movable seat (2). The inner cavity of the concave frame (303) is embedded with a threaded sleeve (305) threadedly connected to the threaded rod (301). A buffer assembly (4) is provided between the fixed seat (1) and the movable seat (2), and the buffer assembly (4) comprises two arc-shaped buffer plates (401). Buffer grooves (402) are provided on opposite sides of the inner cavities of the fixed seat (1) and the movable seat (2), and buffer rods (403) are slidably connected to the top and bottom of the inner cavities of the buffer grooves (402). One end of the buffer rod (403) is fixedly connected to the arc-shaped buffer plate (401), and a spring (404) is sleeved on the surface of the buffer rod (403).

2. The tubing hanger for a fracturing wellhead according to claim 1, characterized in that: The top and bottom of the inner cavity of the buffer groove (402) are both provided with a slide groove (5), the inner cavity of the slide groove (5) is slidably connected to a slider (6), and the end of the slider (6) away from the slide groove (5) is fixedly connected to the buffer rod (403).

3. The tubing hanger for a fracturing wellhead according to claim 1, characterized in that: The right side of the electric push rod (302) is fixedly connected to a mounting plate (7), and mounting holes (8) are provided at the top and bottom of the inner cavity of the mounting plate (7).

4. The tubing hanger for a fracturing wellhead according to claim 1, characterized in that: The left side of the threaded rod (301) is fixedly connected to a rotating handle (9), and the surface of the rotating handle (9) is provided with anti-slip grooves.

5. The tubing hanger for a fracturing wellhead according to claim 1, characterized in that: The right side of the threaded rod (301) is movably connected to the movable seat (2) via a bearing, and the threaded rod (301) is located in the inner cavity of the threaded sleeve (305) and is threadedly connected.

6. The tubing hanger for a fracturing wellhead according to claim 1, characterized in that: The telescopic end of the electric push rod (302) is fixedly connected to the fixing seat (1).

7. The tubing hanger for a fracturing wellhead according to claim 1, characterized in that: An arc-shaped groove is provided on one side opposite to the fixed seat (1) and the movable seat (2), and the two arc-shaped buffer plates (401) are respectively located in the inner cavities of the two arc-shaped grooves.

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