CN211777295U - Sleeve pipe blanking plug pusher - Google Patents

Abstract

A sleeve plug pushing device is characterized in that a sleeve chuck is connected to the upper portion of a sleeve, a left connecting seat is hinged to the left side of the sleeve chuck, the lower portion of a left screw rod seat is inserted into the upper portion of the left connecting seat, a plurality of left connecting balls are placed between the left screw rod seat and the left connecting seat from a side placing hole of the left connecting seat, a left stop block blocks the outer side of the placing hole of the side face of the left connecting seat, the left connecting balls connect the left screw rod seat and the left connecting seat into a whole to enable the left screw rod seat and the left connecting seat to rotate only relatively and not to move, a left nut is screwed with outer threads of the left screw rod, the left side of a left connecting arm is installed on the left nut, a left clamp is installed on the right side of the left connecting arm, an oil pipe coupling, an oil pipe and a plug are sequentially connected, the plug is placed into the sleeve, a right screw rod, a right nut, a right, The left nut, the left screw rod seat, the left stop block, the left connecting ball, the left connecting seat, the left connecting arm and the left clamp are symmetrically arranged.

Description

Sleeve pipe blanking plug pusher

Technical Field

The utility model belongs to the instrument of on-spot usefulness of oil field pumping well operation is a sleeve pipe blanking plug pusher.

Background

The wellhead device of the oil-water well generally comprises a valve, an upper flange, a large four-way joint and a lower flange, wherein the lower flange is connected to the upper part of a casing, and the oil-water well can be controlled by matching of all parts on the wellhead device, so that blowout is prevented, and fluid is driven into the well. When some oil-water wells stop, the well head devices are damaged by lawless persons, the valve, the upper flange, the large four-way joint and the lower flange are all disassembled, destructive disassembly is carried out during disassembly, the upper threads of the sleeve are damaged, and the well head devices cannot be installed. Therefore, after the wellhead device is damaged by lawless persons, the oil-water well is in an open state, when the pressure in the well rises, fluid in the well can flow out of the wellhead, crude oil loss can occur on the one hand, blowout can be caused possibly, major accidents can occur, environmental pollution can also occur on the other hand, the fluid can fall into an object on the other hand, the oil well is scrapped, and major economic loss is caused. In order to solve the problems, a method of drilling a cement plug into a well is adopted at present on site, the method needs to be operated on well repairing equipment, the operation procedures are multiple, the cost is high, the construction time is long, when the blockage needs to be removed, drilling is needed, the workload is large, and the economical efficiency is poor.

Disclosure of Invention

The utility model aims at designing a sleeve pipe blanking plug pusher, suffer lawless persons' destructive dismantlement back when oil-water well wellhead assembly, adopt this device can install the sleeve pipe blanking plug in the sleeve pipe, avoid above-mentioned problem to take place, prevent that well liquid from spouting out.

The purpose of the utility model is realized like this: comprises a left screw, a left nut, a left screw seat, a left stop block, a left connecting ball, a left connecting seat, a left connecting arm, a left clip, a casing chuck, an oil pipe coupling, an oil pipe, a right clip, a right connecting arm, a blanking plug, a casing, a right screw, a right nut, a right screw seat, a right stop block, a right connecting ball and a right connecting seat, wherein the casing chuck is clamped at the upper part of the casing, the casing chuck is fixed on the casing, the left connecting seat is hinged with the left side of the casing chuck, the lower part of the left screw seat is inserted into the upper part of the left connecting seat, a plurality of left connecting balls are placed between the left screw seat and the left connecting seat from a side placing hole of the left connecting seat, the left stop block blocks the outer side of the placing hole at the side of the left connecting seat, the left connecting ball connects the left screw seat and the left connecting seat into a whole, so that the left screw seat and the left connecting, install on left nut in the left side of left linking arm, left checkpost is installed on the right side of left linking arm, the tubing coupling, oil pipe, the blanking plug connects gradually, the casing is put into to the blanking plug, left checkpost can chucking oil pipe, the upper portion of right connecting seat is inserted to the lower part of right screw rod seat, the several right connecting ball is placed in the hole from the side of right connecting seat and is put into between right screw rod seat and the right connecting seat, the outside in the hole of placing of right connecting seat side is plugged up to the right dog, right connecting ball links into an integrated entity right screw rod seat and right connecting seat, make and can only relative rotation between right screw rod seat and the right connecting seat, can not the drunkenness, the internal thread of right nut closes with the external screw thread soon of right screw rod, the right side of right linking arm is installed on right nut.

The utility model has the advantages that: the left clamp and the right clamp the oil pipe in an alternative mode, the left screw rod seat and the right screw rod seat are rotated in an alternative mode, the left screw rod and the right screw rod are driven to rotate in an alternative mode, and rotating force is transmitted to the oil pipe, so that the blanking plug is pressed into the sleeve, and the blanking plug works to seal and block the sleeve. Therefore, the utility model discloses can reach the invention purpose, can prevent that the wellhead assembly from suffering the well blowout to take place after the destructive dismantlement to convenient, swift, the expense is low.

Drawings

Fig. 1 is an assembly front view of the present invention.

Detailed Description

An embodiment of the present invention will be described below with reference to fig. 1.

As shown in figure 1, the utility model comprises a left screw 1, a left nut 2, a left screw seat 3, a left stop 4, a left connecting ball 5, a left connecting seat 6, a left connecting arm 7, a left clip 8, a casing chuck 9, an oil pipe coupling 10, an oil pipe 11, a right clip 12, a right connecting arm 13, a blanking plug 14, a casing 15, a right screw 16, a right nut 17, a right screw seat 18, a right stop 19, a right connecting ball 20 and a right connecting seat 21, wherein the casing chuck 9 is clamped on the upper part of the casing 15 (the used chuck is the same as the chuck for drilling crew), so that the casing chuck 9 is fixed on the casing 15, the left connecting seat 6 is hinged with the left side of the casing chuck 9, the lower part of the left screw seat 3 is inserted into the upper part of the left connecting seat 6, a plurality of left connecting balls 5 are placed between the left screw seat 3 and the left connecting seat 6 from the side placing hole of the left connecting seat 6, the left stop 4 blocks the outside of, the left connecting ball 5 connects the left screw seat 3 and the left connecting seat 6 into a whole (welding), so that the left screw seat 3 and the left connecting seat 6 can only relatively rotate and can not move, the internal thread of the left nut 2 is screwed with the external thread of the left screw 1, the left side of the left connecting arm 7 is installed on the left nut 2, the right side of the left connecting arm 7 is installed with the left clip 8, the oil pipe coupling 10, the oil pipe 11 and the blanking plug 14 are sequentially connected, the blanking plug 14 is placed in the sleeve 15, the left clip 8 can clip the oil pipe 11 (the clip is the same as the clip used by an operation team), the lower part of the right screw seat 18 is inserted into the upper part of the right connecting seat 21, a plurality of right connecting balls 20 are placed between the right screw seat 18 and the right connecting seat 21 from the placing hole on the side of the right connecting seat 21, the right block 19 plugs the outer side of the placing hole on the side of the right connecting seat 21, the, the right screw rod seat 18 and the right connecting seat 21 can only rotate relatively and cannot move, the internal thread of the right nut 17 is screwed with the external thread of the right screw rod 16, the right side of the right connecting arm 13 is installed on the right nut 17, the left side of the right connecting arm 13 is provided with the right clip 12, and the right clip 12 can clamp the oil pipe 11 (the used clip is the same as the clip used by an operating team). The clip is formed by connecting two semi-cylinders by bolts, so that the two clips can alternately clip the oil pipe 11.

The left clamp 8 and the right clamp 12 clamp the oil pipe 11 alternately, and then the left screw rod seat 3 and the right screw rod seat 18 are rotated alternately to drive the left screw rod 1 and the right screw rod 16 to rotate alternately, and the rotating force is converted into downward pressure to be transmitted to the oil pipe 11, so that the plug 14 is pressed into the sleeve 15, and the plug 14 works to seal the plug sleeve 15.

The left connecting seat 6 is hinged with the left side of the casing chuck 9, and the right connecting seat 21 is hinged with the right side of the casing chuck 9, so that the left screw rod 1 and the right screw rod 16 can be placed backwards and outwards, so that personnel can avoid the central position of an oil-water well when the installation is carried out, and fluid in the well can be prevented from hurting operation workers.

Claims (1)

1. The utility model provides a casing plug pusher, includes left screw rod (1), left nut (2), left screw rod seat (3), left dog (4), left connecting ball (5), left connecting seat (6), left linking arm (7), left checkpost (8), casing chuck (9), oil pipe coupling (10), oil pipe (11), right checkpost (12), right linking arm (13), blanking plug (14), sleeve pipe (15), right screw rod (16), right nut (17), right screw rod seat (18), right dog (19), right connecting ball (20), right connecting seat (21), characterized by: the sleeve chuck (9) is connected on the upper part of the sleeve (15) in a clamping way, the sleeve chuck (9) is fixed on the sleeve (15), the left connecting seat (6) is hinged with the left side of the sleeve chuck (9), the lower part of the left screw rod seat (3) is inserted into the upper part of the left connecting seat (6), a plurality of left connecting balls (5) are placed between the left screw rod seat (3) and the left connecting seat (6) from the side placing hole of the left connecting seat (6), the left check block (4) blocks the outer side of the placing hole on the side of the left connecting seat (6), the left connecting balls (5) connect the left screw rod seat (3) and the left connecting seat (6) into a whole, so that the left screw rod seat (3) and the left connecting seat (6) can only rotate relatively and can not move, the internal thread of the left nut (2) is screwed with the external thread of the left screw rod (1), the left side of the left connecting arm (7) is arranged on, the right side of the left connecting arm (7) is provided with a left clamp (8), an oil pipe coupling (10), an oil pipe (11) and a blanking plug (14) are sequentially connected, the blanking plug (14) is placed in the casing (15), the left clamp (8) can clamp the oil pipe (11), the lower part of the right screw rod seat (18) is inserted into the upper part of the right connecting seat (21), a plurality of right connecting balls (20) are placed between the right screw rod seat (18) and the right connecting seat (21) from a side placing hole of the right connecting seat (21), a right stop block (19) blocks the outer side of the placing hole on the side of the right connecting seat (21), the right connecting balls (20) connect the right screw rod seat (18) and the right connecting seat (21) into a whole, so that the right screw rod seat (18) and the right connecting seat (21) can only rotate relatively and can not move, the inner thread of the right nut (17) is screwed with the outer thread of the right screw rod (16), the right side of the right connecting arm, the left side of the right connecting arm (13) is provided with a right clip (12), and the right clip (12) can clamp the oil pipe (11).

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