CN213016270U

CN213016270U - Connectable radial well mouth sealer

Info

Publication number: CN213016270U
Application number: CN202021974117.7U
Authority: CN
Inventors: 崔仕章; 张润涛; 刘骁; 李宁; 王文领
Original assignee: Shandong Deshi Petroleum Equipment Co ltd; Deshi Energy Technology Group Co Ltd
Current assignee: Shengli Oilfield Zhongyang Petroleum Engineering Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-04-20
Anticipated expiration: 2030-09-11

Abstract

The utility model provides a radial well wellhead sealer of formula of can connecing, includes the standpipe, the upper portion fixed mounting oil pipe of standpipe one side is equipped with the connecting pipe in the standpipe, the lower part of connecting pipe periphery is passed through sealed bearing with the upper portion of standpipe inner wall and is rotated and be connected, the bottom surface of the top surface fixed connection rubber tube of connecting pipe, the top surface of standpipe passes through the bearing and rotates connecting sleeve's bottom surface, the one end of the upper portion fixed connection several connecting rod of connecting pipe periphery, the other end of connecting rod all with the lower part fixed connection of set inside pipe wall. The utility model discloses a mutually supporting between screw rod, first arc, rubber tube, connecting pipe isotructure can realize the sealed between sucker rod and the rubber tube, the sealed effect of sucker rod and standpipe junction promptly, and then realize the sealed of radial well head, through the positive and negative rotation of screw rod, can realize that first arc, second arc press from both sides tight and loosen the rubber tube, easy operation, the person's of facilitating the use.

Description

Connectable radial well mouth sealer

Technical Field

The utility model belongs to well head sealing device field, specifically speaking are radial well head sealer of connecing formula.

Background

The oil field adopts the radial horizontal well of high-pressure jet to spray and creeps into in crude oil exploitation, need use the sucker rod to carry out drilling depth instruction and drilling speed control, the well head sealer of radial well need seal the oil leak to the sucker rod, the general combination of main part of the conventional well head sealer sealing member of radial well and sealer is as an organic whole complicated in structure, be difficult to dismantle, need dismantle sealing device earlier when needs increase sucker rod length and assemble again, inconvenient user's use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a radial well wellhead sealer of formula of can connecing for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

a connectable radial well wellhead sealer comprises a vertical pipe, an oil outlet pipe is fixedly installed at the upper part of one side of the vertical pipe, a connecting pipe is arranged in the vertical pipe, the lower part of the periphery of the connecting pipe is rotatably connected with the upper part of the inner wall of the vertical pipe through a sealing bearing, the top surface of the connecting pipe is fixedly connected with the bottom surface of a rubber pipe, the top surface of the vertical pipe is rotatably connected with the bottom surface of a sleeve through a bearing, the upper part of the periphery of the connecting pipe is fixedly connected with one ends of a plurality of connecting rods, the other ends of the connecting rods are fixedly connected with the lower part of the inner wall of the sleeve, two first arc-shaped plates are arranged above the connecting pipe, the concave surfaces of the first arc-shaped plates can be in contact fit with the periphery of the rubber pipe, first screw holes are respectively arranged at two sides of the sleeve, screw rods are respectively in, the inner of recess respectively fixed mounting wedge, the common movable mounting second arc in two adjacent recesses, the concave surface homoenergetic of second arc can with the periphery contact cooperation of rubber tube, the second arc is located between two corresponding wedges.

The connectable radial well wellhead sealer is characterized in that handles are fixedly arranged at the outer ends of the screw rods respectively.

According to the connectable radial well wellhead sealer, the two sides of the top surface of the sleeve are respectively provided with the second screw holes, the second screw holes are internally provided with the bolts in a threaded manner, and the lower ends of the bolts can be respectively in contact fit with the upper parts of the peripheries of the corresponding screws.

The connectable radial well wellhead sealer is characterized in that a sealing ring is fixedly arranged in the connecting pipe.

The connectable radial well wellhead sealer comprises a first arc-shaped plate, a second arc-shaped plate and a connecting plate, wherein the first arc-shaped plate and the second arc-shaped plate are fixedly provided with rubber pads.

The utility model has the advantages that: the utility model is suitable for the oil extraction work of a small oil well, when in use, the lower end of the vertical pipe is fixedly connected with the well mouth of the radial well, when in use, the screw rod is firstly rotated to drive the corresponding first arc plates to move towards the direction far away from the rubber pipe, at the moment, the rubber pipe is not clamped by the two first arc plates, and at the moment, the second arc plates in the groove are not clamped by the two corresponding wedge blocks, the two second arc plates also do not clamp the rubber pipe, then the sucker rod is sequentially inserted into the rubber pipe from top to bottom, the connecting pipe enables the sucker rod to be positioned in the vertical pipe, after the sucker rod is installed, the screw rod is reversely rotated to enable the two first arc plates to be close to each other, thereby the two first arc plates clamp the rubber pipe, the first arc plates clamp the rubber pipe in the left and right directions, when the two first arc plates are close to each other, the second arc plates in the, the second arc plates respectively move towards the direction of the rubber tube along the wedge-shaped surfaces of the corresponding wedge blocks, as shown in the figure, the two second arc plates clamp the front direction and the rear direction of the rubber tube, and after the rubber tube is clamped by the two first arc plates and the two second arc plates, the inner wall of the rubber tube clamps the periphery of the sucker rod, so that the inner wall of the rubber tube is tightly attached to the periphery of the sucker rod, the sealing effect is realized, and oil leakage is prevented; when the sucker rod rotates, the two second arc plates clamp the sucker rod through the rubber tube, the sleeve can be driven to synchronously rotate through the first arc plates and the screw rod when the sucker rod rotates, and the sleeve drives the connecting tube to synchronously rotate through the connecting rod, so that the connecting tube and the rubber tube are prevented from rotating asynchronously, the rubber tube is prevented from being distorted and deformed to cause damage, and the reliability of the utility model is improved; when the length of the sucker rod needs to be increased and the sucker rod is continuously inserted into the vertical pipe, the sucker rod can be continuously inserted downwards without completely disassembling the device only by reversely rotating the screw rod so that the rubber pipe is not clamped by the two first arc-shaped plates and the two second arc-shaped plates; the utility model discloses a screw rod, first arc, the rubber tube, mutually support between the connecting pipe isotructure, can realize sealed between sucker rod and the rubber tube, the sealed effect of sucker rod and standpipe junction promptly, and then realize the sealed of radial well head, through the positive and negative rotation of screw rod, can realize first arc, the second arc presss from both sides tightly and unclamps to the rubber tube, and is simple in operation, the person's of facilitating the use, when first arc, the second arc presss from both sides tightly the rubber tube, can realize the sealed to radial well head, when first arc, the second arc loosens the back to the rubber tube, can continue to increase the length of sucker rod, insert radial well with the sucker rod in, and is simple in operation, high durability and convenient use, do not need to dismantle this device.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; FIG. 3 is an enlarged view of the view from the direction A of FIG. 1; fig. 4 is a partial enlarged view of ii of fig. 1.

Description of the drawings: 1. standpipe, 2, oil outlet pipe, 3, connecting pipe, 4, rubber tube, 5, sleeve pipe, 6, connecting rod, 7, first arc, 8, first screw, 9, screw rod, 10, recess, 11, wedge, 12, second arc, 13, handle, 14, second screw, 15, bolt.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A connectable type radial well wellhead sealer comprises a vertical pipe 1, a sucker rod is arranged in the vertical pipe 1, an oil outlet pipe 2 is fixedly arranged on the upper portion of one side of the vertical pipe 1, a valve is arranged on one side of the oil outlet pipe 2, a connecting pipe 3 is arranged in the vertical pipe 1, the connecting pipe 3 is positioned above the oil outlet pipe 2, the lower portion of the periphery of the connecting pipe 3 is rotatably connected with the upper portion of the inner wall of the vertical pipe 1 through a sealed bearing, the top surface of the connecting pipe 3 is fixedly connected with the bottom surface of a rubber pipe 4, the top surface of the vertical pipe 1 is rotatably connected with the bottom surface of a sleeve pipe 5 through a bearing, the upper portion of the periphery of the connecting pipe 3 is fixedly connected with one end of a plurality of connecting rods 6, the other end of each connecting rod 6 is fixedly connected with the lower portion of the inner wall of the sleeve pipe 5, two first arc-shaped plates 7 are arranged, the lower end of the sucker rod sequentially passes through the rubber tube 4 and the connecting tube 3, the periphery of the sucker rod is respectively in contact fit with the inner wall of the connecting tube 3 and the inner wall of the rubber tube 4, the two sides of the sleeve 5 are respectively provided with a first screw hole 8, a screw rod 9 is respectively in threaded connection with the first screw holes 8, the two ends of the screw rod 9 are respectively positioned outside the corresponding first screw holes 8, the inner ends of the screw rods 9 are respectively connected with the outer side bearings of the corresponding first arc plates 7, the opposite end surfaces of the two first arc plates 7 are respectively provided with a groove 10, the grooves 10 are both arc-shaped structures, the arc surfaces of the grooves 10 are respectively communicated with the corresponding first arc plates 7, the inner ends of the grooves 10 are respectively and fixedly provided with a wedge block 11, the wedge surfaces of the wedge blocks 11 face the rubber tube 4, the second arc plates 12 are movably arranged in the two adjacent grooves 10, and the concave surfaces of the second arc plates 12, both ends of second arc 12 are the wedge structure, and second arc 12 is located between two corresponding wedge 11, and the wedge face of wedge 11 can contact the cooperation with the relative one side of corresponding second arc 12 respectively. The utility model is suitable for the oil extraction work of a small oil well, when in use, the lower end of a vertical pipe 1 is fixedly connected with a well mouth of a radial well, when in use, a screw 9 is firstly rotated to drive the corresponding first arc-shaped plate 7 to move towards the direction far away from a rubber pipe 4, the rubber pipe 4 is not clamped by the two first arc-shaped plates 7, and a second arc-shaped plate 12 in a groove 10 is not clamped by two corresponding wedge blocks 11, the rubber pipe 4 is not clamped by the two second arc-shaped plates 12, then the sucker rod is sequentially inserted into the rubber pipe 4 from top to bottom, a connecting pipe 3 enables the sucker rod to be positioned in the vertical pipe 1 (namely the sucker rod is inserted into the radial well to work, the concrete structure and the working principle of the sucker rod are the prior art, no concrete description is made here), after the installation of the sucker rod, the screw 9 is reversely rotated to enable the two first, therefore, the two first arc-shaped plates 7 clamp the rubber tube 4, the first arc-shaped plates 7 clamp the rubber tube 4 in the left and right directions, when the two first arc-shaped plates 7 approach each other, the second arc-shaped plates 12 in the grooves 10 are clamped by the two corresponding wedge-shaped blocks 11, the second arc-shaped plates 12 move towards the rubber tube 4 along the wedge-shaped surfaces of the corresponding wedge-shaped blocks 11 respectively, as shown in fig. 3, the two second arc-shaped plates 12 clamp the rubber tube 4 in the front and back directions, and after the rubber tube 4 is clamped by the two first arc-shaped plates 7 and the two second arc-shaped plates 12, the inner wall of the rubber tube 4 clamps the periphery of the sucker rod at the moment, so that the inner wall of the rubber tube 4 is tightly attached to the periphery of the sucker rod, thereby realizing the sealing effect and preventing oil; when the sucker rod is in a rotating state during working, the two second arc-shaped plates 12 clamp the sucker rod through the rubber tube 4, when the sucker rod rotates, the sleeve 5 can be driven to synchronously rotate through the first arc-shaped plate 7 and the screw 9, and the sleeve 5 drives the connecting tube 3 to synchronously rotate through the connecting rod 6, so that the connecting tube 3 and the rubber tube 4 are prevented from rotating asynchronously, the rubber tube 4 is prevented from being distorted and deformed to cause damage, and the reliability of the utility model is improved; when the length of the sucker rod needs to be increased and the sucker rod is continuously inserted into the vertical pipe 1, the sucker rod can be continuously inserted downwards without completely disassembling the device only by reversely rotating the screw rod 9 and enabling the rubber pipe 4 not to be clamped by the two first arc-shaped plates 7 and the two second arc-shaped plates 12; the utility model discloses a screw rod 9, first arc 7, rubber tube 4, mutually support between the connecting pipe 3 isotructure, can realize the sealing between sucker rod and the rubber tube 4, the sealed effect of sucker rod and 1 junction of standpipe promptly, and then realize the sealing of radial well head, through positive reverse rotation of screw rod 9, can realize first arc 7, second arc 12 presss from both sides tightly and unclamps to rubber tube 4, the operation is simple, the person's of facilitating the use's use, when first arc 7, second arc 12 presss from both sides tightly to rubber tube 4, can realize the sealing to radial well head, when first arc 7, second arc 12 loosens the back to rubber tube 4, can continue to increase the length of sucker rod, insert radial well with the sucker rod, and the operation is simple, high durability and convenient use, the device does not need to dismantle.

Specifically, as shown in fig. 1, the handles 13 are fixedly mounted to the outer ends of the screws 9 according to the present embodiment. This structural design can rotate screw rod 9 for the user and provide corresponding stress point, and convenience of customers rotates screw rod 9.

Specifically, as shown in fig. 4, the two sides of the top surface of the sleeve 5 according to this embodiment are respectively provided with a second screw hole 14, the bottom surface of the second screw hole 14 is respectively communicated with the corresponding first screw hole 8, a bolt 15 is respectively installed in the second screw hole 14 in a threaded manner, and the lower end of the bolt 15 can be respectively in contact fit with the upper portion of the periphery of the corresponding screw 9. Bolt 15 can produce decurrent pressure to corresponding screw rod 9, can press from both sides tightly screw rod 9 through bolt 15 and corresponding first screw 8 to prevent that corresponding screw rod 9 is not hard up in the use, improve the utility model discloses a reliability.

Further, as shown in fig. 4, a sealing ring is fixedly installed in the connecting pipe 3 according to this embodiment, and the outer periphery of the sucker rod is in contact fit with the inner wall of the sealing ring. This structural design can increase the leakproofness between connecting pipe 3 and the sucker rod, further increases the utility model discloses a leakproofness improves the utility model discloses a reliability.

Furthermore, as shown in fig. 2, the concave surface of the first arc-shaped plate 7 and the concave surface of the second arc-shaped plate 12 are both fixedly provided with rubber pads. This structural design can play the effect of buffering, can avoid first arc 7 and second arc 12 fish tail rubber tube 4 in the use, improves the utility model discloses a reliability.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a radial well wellhead sealer of formula of can connecing, includes standpipe (1), upper portion fixed mounting oil pipe (2) on standpipe (1) one side, its characterized in that: be equipped with connecting pipe (3) in standpipe (1), the lower part of connecting pipe (3) periphery is passed through sealed bearing and is rotated with the upper portion of standpipe (1) inner wall and is connected, the bottom surface of the top surface fixed connection rubber tube (4) of connecting pipe (3), the bottom surface of bearing rotation connecting sleeve (5) is passed through to the top surface of standpipe (1), the one end of the upper portion fixed connection several connecting rod (6) of connecting pipe (3) periphery, the other end of connecting rod (6) all with the lower part fixed connection of sleeve pipe (5) inner wall, the top of connecting pipe (3) is equipped with two first arcs (7), the concave surface of first arc (7) all can contact the cooperation with the periphery of rubber tube (4), first screw (8) are seted up respectively to the both sides of sleeve pipe (5), threaded connection screw rod (9) do not in first screw (8), the inner of screw rod (9) is connected with the outside bearing of corresponding first arc (7) respectively, recess (10) are seted up respectively to the relative terminal surface of two first arcs (7), and fixed mounting wedge (11) are distinguished in the inner of recess (10), and common movable mounting second arc (12) in two adjacent recesses (10), the concave surface homoenergetic of second arc (12) can be with the periphery contact cooperation of rubber tube (4), and second arc (12) are located between two corresponding wedge (11).

2. An attachable radial well wellhead sealer according to claim 1, wherein: handles (13) are respectively and fixedly arranged at the outer ends of the screw rods (9).

3. An attachable radial well wellhead sealer according to claim 1, wherein: and second screw holes (14) are respectively formed in two sides of the top surface of the sleeve (5), bolts (15) are respectively installed in the second screw holes (14) in a threaded manner, and the lower ends of the bolts (15) can be respectively in contact fit with the upper parts of the peripheries of the corresponding screw rods (9).

4. A retrievable radial well wellhead sealer according to claim 3, wherein: and a sealing ring is fixedly arranged in the connecting pipe (3).

5. An attachable radial well wellhead sealer according to claim 1, wherein: and rubber pads are fixedly arranged on the concave surfaces of the first arc-shaped plate (7) and the second arc-shaped plate (12).