CN2563295Y

CN2563295Y - Slip water distribution packer

Info

Publication number: CN2563295Y
Application number: CN 02274719
Authority: CN
Inventors: 庞彦军; 王晓岩; 李黎风; 李树祥; 陈健; 王立权
Original assignee: 庞艳文
Current assignee: Daan oil production plant (Daan pump), Da'an City, Jilin Province
Priority date: 2002-08-11
Filing date: 2002-08-11
Publication date: 2003-07-30
Anticipated expiration: 2012-08-11

Abstract

The utility model relates to a slip water distribution packer, belonging to underground water distribution components of petroleum machinery. The utility model comprises a packer and a water distributor, wherein, an upper housing 19 is in threaded connection with a housing 15; a well flushing sleeve 14 is sleeved with the housing 15; a piston squeeze head 11 is connected with a shear pin 12 through a piston 13; a slip seat 2, a snap spring 3 and a slip 4 are respectively sleeved on a lower connecting pipe 23. The utility model has the advantages that: the utility model is novel in structure, is provided with the housing 15, limits the movement distance of the piston to play a role in position limit when the packer expands for sealing, is provided with the slip 4 so as to limit integral elongation, and ensures the expanding-sealing reliability of the packer, so as to ensure the normal proceeding of water injection work of the utility model.

Description

Slips water distribution packer

Technical field the utility model belongs to petroleum machinery down-hole water distribution parts.

The present packer of background technology does not have spacing when expanding envelope, can make packing element constantly stressed, influences the working life of packing element, adds the wriggling of oil pipe, is easy to make the automatic deblocking of packer, makes water filling work failure, influences normally carrying out of oil extraction operation.

Summary of the invention the utility model provides a kind of slips water distribution packer, does not have spacingly when present packer expands envelope to solve, and adds the wriggling of oil pipe, makes the problem of the automatic deblocking of packer.The technical scheme that the utility model is taked is: upper binding head 22 is threaded with central tube 16, last overcoat 19 is threaded with upper binding head 22, jump ring 21 and piston 20 are socketed on the upper binding head 22, adapter sleeve 10 is threaded with central tube 16, packing element 17 and ring 18 are enclosed within on the overcoat 15, adapter sleeve 10 is threaded with tube connector 24, guide way 8 is connected by screw 9 with eccentric body 7, following overcoat 6 is threaded with conductor 5, conductor 5 is fixedlyed connected with following tube connector 23, lower contact 1 is threaded with following tube connector 23, last overcoat 19 is threaded with overcoat 15, well-flushing cover 14 and overcoat 15 sockets, piston ram 11 is connected by shear pin 12 with piston 13, slip spider 2, jump ring 3 and slips 4 are enclosed within down respectively on the tube connector 23.During work, the centre bore of guide way 8 is clogged, make the water of injection enter hole on the central tube 16, the final piston 13 that promotes removes to push packing element, makes its envelope that expands, and overcoat 15 plays the effect of limited piston displacement, under the effect of hydraulic pressure, the whole elongation downwards of packer, at this moment, conductor 5 moves along slips 4, make slips 4 distendings, and contact with outer tube wall, thereby limited its overall elongated, guarantee the bloated envelope of packer.

Advantage of the present utility model is: novel structure increases overcoat 15, the distance that limited piston moves, when packer expands envelope, play position-limiting action, increase slips 4, thereby limited its overall elongated, guarantee the reliability that packer expands and seals, thereby guarantee normally carrying out of its water filling work.

Appended drawings is the utility model structural representation.

The specific embodiment

Upper binding head 22 is threaded with central tube 16, last overcoat 19 is threaded with upper binding head 22, jump ring 21 and piston 20 are socketed on the upper binding head 22, adapter sleeve 10 is threaded with central tube 16, packing element 17 and ring 18 are enclosed within on the overcoat 15, adapter sleeve 10 is threaded with tube connector 24, guide way 8 is connected by screw 9 with eccentric body 7, following overcoat 6 is threaded with conductor 5, and conductor 5 is fixedlyed connected with following tube connector 23, and lower contact 1 is threaded with following tube connector 23, last overcoat 19 is threaded with overcoat 15, well-flushing cover 14 and overcoat 15 sockets, piston ram 11 is connected by shear pin 12 with piston 13, slip spider 2, jump ring 3 and slips 4 are enclosed within down respectively on the tube connector 23.

Claims

1, a kind of slips water distribution packer, upper binding head (22) is threaded with central tube (16), last overcoat (19) is threaded with upper binding head (22), jump ring (21) and piston (20) are socketed on the upper binding head (22), adapter sleeve (10) is threaded with central tube (16), packing element (17) and ring (18) are enclosed within on the overcoat (15), adapter sleeve (10) is threaded with tube connector (24), guide way (8) is connected by screw (9) with eccentric body (7), following overcoat (6) is threaded with conductor (5), conductor (5) is fixedlyed connected with following tube connector (23), lower contact (1) is threaded with following tube connector (23), it is characterized in that: go up overcoat (19) and be threaded with overcoat (15), well-flushing cover (14) and overcoat (15) socket, piston ram (11) is connected by shear pin (12) with piston (13), slip spider (2), jump ring (3) and slips (4) are enclosed within down respectively on the tube connector (23).