CN103924947B - Hollow submersible motor underlying screw pump oil extraction device - Google Patents

Hollow submersible motor underlying screw pump oil extraction device Download PDF

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Publication number
CN103924947B
CN103924947B CN201410142271.0A CN201410142271A CN103924947B CN 103924947 B CN103924947 B CN 103924947B CN 201410142271 A CN201410142271 A CN 201410142271A CN 103924947 B CN103924947 B CN 103924947B
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China
Prior art keywords
hollow
oil
axle
motor
submersible electric
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CN201410142271.0A
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Chinese (zh)
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CN103924947A (en
Inventor
王凤山
郑学成
孙延安
魏纪德
王国庆
郑国兴
何勇刚
马志权
陈明战
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Daqing Oilfield Co Ltd
China Petroleum and Natural Gas Co Ltd
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Daqing Oilfield Co Ltd
China Petroleum and Natural Gas Co Ltd
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Priority to CN201410142271.0A priority Critical patent/CN103924947B/en
Publication of CN103924947A publication Critical patent/CN103924947A/en
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Publication of CN103924947B publication Critical patent/CN103924947B/en
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Abstract

The invention relates to an oil-field oil extraction device, in particular to a novel electric submersible screw pump oil extraction device, and solves the problem that a working shaft, a coupler and a speed reducer in an electric submersible screw pump oil extraction system are prone to being in failures in a 5.5' sleeve oil extraction well. An oil pipe 1, a motor protector upper joint 4, a motor protector shell 7 and a motor protector lower joint 8 are in threaded connection, a submersible motor head 10 is in threaded connection with both a submersible motor stator 12 and a submersible motor lower joint 13, and a motor protector hollow shaft 5, a submersible motor hollow shaft 11 and a hollow shaft transmission device shaft 15 are connected with one another through a shaft connector 8. A sucker rod string is removed, so that the hollow submersible motor underlying screw pump oil extraction device has the advantages that safety risks on the ground are eliminated, production cost is saved, system efficiency is improved, and the like.

Description

The underlying screw pump oil production device of hollow submersible electric motor
Technical field
The present invention relates to a kind of oil extraction in oil field device, more particularly, to a kind of electric submersible screw pump oil extraction device.
Background technology
In prior art, motor is placed in the oil-submersible screw-pump oil production system of down-hole, the submersible electric machine with oil of down-hole passes through decelerator Or directly screw pump rotor rotation is driven by shaft joint, the submersible electric machine with oil of down-hole is placed in bottommost, and screw pump is placed in top, This technology eliminates sucker rod, but because its driving-chain is longer, decelerator and screw pump outside dimension are in 5.5 " Casing for extracting oil Apply limited in well, working shaft and the pressurized work of shaft joint, working shaft, shaft joint and decelerator are easy to break down, the life-span Short, when particularly oil well output is relatively low, submersible electric machine with oil radiating is bad, affects whole machine service life.In order to solve the above problems, fill The superiority of electric oil submerged screw pump oil extraction system is waved in distribution, it is to avoid working shaft, shaft joint and decelerator break down problem, this Invention develops a kind of electric oil-submersible screw-pump oil production system.
Content of the invention
It is an object of the invention to provide one kind can increase the power-transmitting parts such as motor, working shaft and shaft joint work energy The underlying screw pump oil production device of hollow submersible electric motor of power and reliability.
The technical solution adopted in the present invention is: it is connect by oil pipe, tubing centrilizer, mechanical seal, motor protecter Head, motor protecter hollow axle, mandrel connector, motor protecter housing, motor protecter lower contact, screw, submersible electric machine with oil head, Submersible electric machine with oil hollow axle, motor stator, submersible electric machine with oil lower contact, Hollow Shaft Transmission device top connection, hollow axle transfer device axle, Bearing group, Hollow Shaft Transmission device center tap, bearing, Hollow Shaft Transmission device lower contact, mandrel connector with holes, tubing coupling, Flexible shaft or shaft joint, flexible shaft device housing, screw pump rotor, screw pump stator, screen casing, down-hole grappling tool group become; Wherein oil pipe, motor protecter top connection, motor protecter housing, be threaded between motor protecter lower contact, oil pipe Centralizer is enclosed within outside oil pipe, and motor protecter lower contact is connected using screw flange with submersible electric machine with oil head, submersible electric machine with oil head with It is threaded between Submersible Motor Stator, submersible electric machine with oil lower contact, submersible electric machine with oil lower contact and Hollow Shaft Transmission device connect Head is connected using screw flange, Hollow Shaft Transmission device top connection, Hollow Shaft Transmission device center tap, under Hollow Shaft Transmission device It is threaded between joint, Hollow Shaft Transmission device lower contact, flexible shaft device housing, screw pump stator, screen casing, underground anchor Determine to connect by tubing coupling between instrument;Motor protecter hollow axle, submersible electric machine with oil hollow axle, hollow axle transfer device axle it Between connected by mandrel connector, carried using bearing group and bearing righting, hollow axle transfer device axle, flexible shaft and screw pump turn Son connects by mandrel connector with holes, motor protecter hollow axle and motor protecter top connection and hollow axle transfer device axle and Hollow Shaft Transmission device top connection is sealed by mechanical seal, and motor protecter hollow axle, submersible electric machine with oil hollow axle, hollow axle pass Delivery device axle is connected with each other by mandrel connector.
Tubing centrilizer is rigid centralizer or non-rigid centralizer.
Motor protecter hollow axle, submersible electric machine with oil hollow axle, hollow axle transfer device axle and be airtight hollow axle.
Flexible shaft or shaft joint are Hooks coupling universal coupling or long rods.
Down-hole anchor tool is the tubing anchor work such as slip-type anchor tool or rotary anchor tool or torque anchor Tool.
Compared with the prior art the present invention, has the advantage that
1) oil flow channel is placed in inside rotor and power transmission shaft the present invention, thus it is soft to amplify screw pump, hollow axle Property each several part equipment overall dimensions such as actuating device, motor, increase Operational capability of plant and reliability.
2) power transmission shaft and adapter are solely subjected to pulling force and moment of torsion, there is not buckle in compression problem, improve the reliability of system Property.
3) system eliminates rod string, improves oil extraction system efficiency, reduces energy consumption, eliminates flooring-safe wind Danger, has saved production cost, has facilitated management.
Brief description
Fig. 1 is present configuration schematic diagram;Fig. 2 is present invention scene application schematic diagram.
Specific embodiment
Below in conjunction with accompanying drawing, the present invention is further described, it is by oil pipe 1, tubing centrilizer 2, mechanical seal 3, motor Protector top connection 4, motor protecter hollow axle 5, mandrel connector 6, motor protecter housing 7, motor protecter lower contact 8, Screw 9, submersible electric machine with oil head 10, submersible electric machine with oil hollow axle 11, motor stator 12, submersible electric machine with oil lower contact 13, Hollow Shaft Transmission dress Put top connection 14, hollow axle transfer device axle 15, bearing group 16, Hollow Shaft Transmission device center tap 17, bearing 18, hollow axle biography Dynamic device lower contact 19, mandrel connector with holes 20, tubing coupling 21, flexible shaft or shaft joint 22, flexible shaft device housing 23, Screw pump rotor 24, screw pump stator 25, screen casing 26, down-hole anchor tool 27 form;Wherein oil pipe 1, connect on motor protecter 4, it is threaded between motor protecter housing 7, motor protecter lower contact 8, tubing centrilizer 2 is enclosed within outside oil pipe 1, Motor protecter lower contact 8 is connected using screw 9 flange with submersible electric machine with oil head 10, submersible electric machine with oil head 10 and Submersible Motor Stator 12nd, it is threaded between submersible electric machine with oil lower contact 13, submersible electric machine with oil lower contact 13 is sharp with Hollow Shaft Transmission device top connection 14 Connected with screw 9 flange, Hollow Shaft Transmission device top connection 14, Hollow Shaft Transmission device center tap 17, Hollow Shaft Transmission device Be threaded between lower contact 19, Hollow Shaft Transmission device lower contact 19, flexible shaft device housing 23, screw pump stator 25, Connected by tubing coupling 21 between screen casing 26, down-hole anchor tool 27;Motor protecter hollow axle 5, submersible electric machine with oil hollow axle 11st, connected by mandrel connector 6 between hollow axle transfer device axle 15, carried using bearing group 16 and bearing 18 righting, hollow Axle transfer device axle 15, flexible shaft 22 are connected by mandrel connector 20 with holes with screw pump rotor 24, motor protecter hollow axle 5 Pass through mechanical seal 3 with motor protecter top connection 4 and hollow axle transfer device axle 15 with Hollow Shaft Transmission device top connection 14 Sealing, motor protecter hollow axle 5, submersible electric machine with oil hollow axle 11, hollow axle transfer device axle 15 are mutually interconnected by mandrel connector 6 Connect.
Tubing centrilizer 2 is rigid centralizer or non-rigid centralizer, can pass through oil-submersible cable and test cable.
Motor protecter hollow axle 5, submersible electric machine with oil hollow axle 11, hollow axle transfer device axle 15 are airtight hollow axle, its Inner chamber can be used for producing liquid flow pass.
Flexible shaft or shaft joint 22 are Hooks coupling universal coupling or long rods.
Down-hole anchor tool 27 is the tubing anchor such as slip-type anchor tool or rotary anchor tool or torque anchor Instrument.
During onsite application, ground connected mode be motor controlling cabinet 31, rosette 30, wellhead assembly 29, oil-submersible cable 28, The oil pipe 1 of the present invention.During work, Surface power drive passes through motor controlling cabinet 31, rosette 30, wellhead assembly 29, oil-submersible cable 28 Pass to down-hole submersible electric machine with oil, submersible electric machine with oil hollow axle 11 rotarily drives hollow axle transfer device axle 15, flexible shaft or connecting shaft Device 22, screw pump rotor 24 rotate, and well liquid is passed through hollow axis channel by underground and oil pipe 1 gives rise to ground.Wherein screw pump Rotating speed stepless speed regulation realization is carried out by motor controlling cabinet 31.

Claims (5)

1. the underlying screw pump oil production device of hollow submersible electric motor it is characterised in that: it by oil pipe (1), tubing centrilizer (2), Mechanical seal (3), motor protecter top connection (4), motor protecter hollow axle (5), mandrel connector (6), motor protecter shell Body (7), motor protecter lower contact (8), screw (9), submersible electric machine with oil head (10), submersible electric machine with oil hollow axle (11), motor stator (12), submersible electric machine with oil lower contact (13), Hollow Shaft Transmission device top connection (14), hollow axle transfer device axle (15), bearing group (16), Hollow Shaft Transmission device center tap (17), bearing (18), Hollow Shaft Transmission device lower contact (19), mandrel connector with holes (20), tubing coupling (21), flexible shaft or shaft joint (22), flexible shaft device housing (23), screw pump rotor (24), screw rod Pump stator (25), screen casing (26), down-hole anchor tool (27) composition;Wherein oil pipe (1), motor protecter top connection (4), motor Protector housing (7), motor protecter lower contact are threaded between (8), and tubing centrilizer (2) is enclosed within oil pipe (1) outside, Motor protecter lower contact (8) is connected using screw (9) flange with submersible electric machine with oil head (10), and submersible electric machine with oil head (10) is electric with latent oil Machine stator (12), submersible electric machine with oil lower contact are threaded between (13), and submersible electric machine with oil lower contact (13) is filled with Hollow Shaft Transmission Putting top connection (14) utilizes screw (9) flange to connect, Hollow Shaft Transmission device top connection (14), Hollow Shaft Transmission device center tap (17) it is, threaded between Hollow Shaft Transmission device lower contact (19), Hollow Shaft Transmission device lower contact (19), flexible shaft dress Pass through tubing coupling (21) between encloser body (23), screw pump stator (25), screen casing (26), down-hole anchor tool (27) to connect; Pass through mandrel connector between motor protecter hollow axle (5), submersible electric machine with oil hollow axle (11), hollow axle transfer device axle (15) (6) connect, carried using bearing group (16) and bearing (18) righting, hollow axle transfer device axle (15), flexible shaft (22) and spiral shell Bar pump rotor (24) passes through mandrel connector with holes (20) connection, motor protecter hollow axle (5) and motor protecter top connection (4) Pass through mechanical seal (3) with hollow axle transfer device axle (15) and Hollow Shaft Transmission device top connection (14) to seal, electric motor protecting Device hollow axle (5), submersible electric machine with oil hollow axle (11), hollow axle transfer device axle (15) are connected with each other by mandrel connector (6).
2. the underlying screw pump oil production device of hollow submersible electric motor according to claim 1 it is characterised in that: oil pipe righting Device (2) is rigid centralizer or non-rigid centralizer.
3. the underlying screw pump oil production device of hollow submersible electric motor according to claim 1 it is characterised in that: electric motor protecting Device hollow axle (5), submersible electric machine with oil hollow axle (11), hollow axle transfer device axle (15) are airtight hollow axle.
4. the underlying screw pump oil production device of hollow submersible electric motor according to claim 1 it is characterised in that: flexible shaft or Person's shaft joint (22) is Hooks coupling universal coupling or long rods.
5. the underlying screw pump oil production device of hollow submersible electric motor according to claim 1 it is characterised in that: down-hole grappling Instrument (27) is slip-type anchor tool or rotary anchor tool or torque anchor tubing anchoring tool.
CN201410142271.0A 2014-04-02 2014-04-02 Hollow submersible motor underlying screw pump oil extraction device Active CN103924947B (en)

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104265244B (en) * 2014-09-14 2016-12-07 哈尔滨理工大学 Down-hole latent oil multistage lifting type oil pumping system and collocation method
CN105239979B (en) * 2015-10-15 2018-02-02 中国石油天然气股份有限公司 A kind of automatically controlled steam distributing valve
CN105715545B (en) * 2015-12-25 2018-09-04 中国石油天然气股份有限公司 A kind of latent oil directly-driven screw pump card gear
CN105673483B (en) * 2016-03-31 2018-11-16 中国石油天然气股份有限公司 A kind of latent oil directly-driven screw pump flexible shaft transmission device
CN107461333B (en) * 2017-09-19 2019-02-12 东北石油大学 A kind of integration latent oil directly-driven screw pump
CN108708851A (en) * 2018-05-25 2018-10-26 西南石油大学 A kind of heavy crude heat extraction multistage overlength submersible screw pumping system

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2237712Y (en) * 1995-05-26 1996-10-16 大庆石油管理局 Suction matching device for hollow rod rotary bolt pump sleeve
CN1135565A (en) * 1996-01-29 1996-11-13 沈阳新阳机器制造公司 Rod-free screw-pump oil-extraction equipment
US6183226B1 (en) * 1986-04-24 2001-02-06 Steven M. Wood Progressive cavity motors using composite materials
CN101016834A (en) * 2007-02-12 2007-08-15 扬州大学 Straight line driving screw pump oil production system
CN101624981A (en) * 2009-08-07 2010-01-13 沈阳工业大学 Double-inlet and single-outlet submersible screw pump oil extraction device
CN202142967U (en) * 2011-07-18 2012-02-08 陈平 Screw pump permanent magnet braking direct drive unit
CN102927001A (en) * 2012-11-02 2013-02-13 中国石油天然气股份有限公司 Method by utilizing switch reluctance motor speed regulating system for screw pump oil extraction

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6675902B2 (en) * 2001-06-25 2004-01-13 Weatherford/Lamb, Inc. Progressive cavity wellbore pump and method of use in artificial lift systems
US6729391B2 (en) * 2001-12-14 2004-05-04 Kudu Industries Inc. Insertable progressing cavity pump

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6183226B1 (en) * 1986-04-24 2001-02-06 Steven M. Wood Progressive cavity motors using composite materials
CN2237712Y (en) * 1995-05-26 1996-10-16 大庆石油管理局 Suction matching device for hollow rod rotary bolt pump sleeve
CN1135565A (en) * 1996-01-29 1996-11-13 沈阳新阳机器制造公司 Rod-free screw-pump oil-extraction equipment
CN101016834A (en) * 2007-02-12 2007-08-15 扬州大学 Straight line driving screw pump oil production system
CN101624981A (en) * 2009-08-07 2010-01-13 沈阳工业大学 Double-inlet and single-outlet submersible screw pump oil extraction device
CN202142967U (en) * 2011-07-18 2012-02-08 陈平 Screw pump permanent magnet braking direct drive unit
CN102927001A (en) * 2012-11-02 2013-02-13 中国石油天然气股份有限公司 Method by utilizing switch reluctance motor speed regulating system for screw pump oil extraction

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
潜油电机驱动采油技术的发展;魏秦文 等;《石油矿场机械》;20070731;第36卷(第7期);全文 *

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