CN105696973A - Underground plug valve with electric power wirelessly controlled and capable of being opened and closed repeatedly - Google Patents

Underground plug valve with electric power wirelessly controlled and capable of being opened and closed repeatedly Download PDF

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Publication number
CN105696973A
CN105696973A CN201610125080.2A CN201610125080A CN105696973A CN 105696973 A CN105696973 A CN 105696973A CN 201610125080 A CN201610125080 A CN 201610125080A CN 105696973 A CN105696973 A CN 105696973A
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CN
China
Prior art keywords
ball
plug valve
electric power
motor
housing
Prior art date
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Granted
Application number
CN201610125080.2A
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Chinese (zh)
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CN105696973B (en
Inventor
赵岭杰
张广玉
李国庆
姜德福
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DAQING FUWANTONG PETROLEUM SCIENCE & TECHNOLOGY CO., LTD.
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DAQING FUWANTONG PETROLEUM SCIENCE & TECHNOLOGY Co Ltd
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Priority to CN201610125080.2A priority Critical patent/CN105696973B/en
Publication of CN105696973A publication Critical patent/CN105696973A/en
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Publication of CN105696973B publication Critical patent/CN105696973B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B34/00Valve arrangements for boreholes or wells
    • E21B34/06Valve arrangements for boreholes or wells in wells
    • E21B34/066Valve arrangements for boreholes or wells in wells electrically actuated
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B2200/00Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/04Ball valves

Abstract

The invention relates to the technical field of oil field underground operation environment-friendly construction, in particular to an underground plug valve with electric power wirelessly controlled and capable of being opened and closed repeatedly. The underground plug valve comprises a shell, the position of the inner diameter of a shaft section at the lower portion of the shell is in contact with a rotary ball through a spherical surface, the lower end of the rotary ball is in contact with the spherical surface of the inner diameter of a lower ball base, and a backing ring and a spring are arranged into the outer diameter of the lower ball base in the axial direction in a sleeving manner; the lower end of the shell is connected with a lower connector through threads; four sets of grooves are formed in the shell in the direction from the outer diameter to the inner diameter, and a battery pack, a circuit board, a radio-frequency signal receiver, a motor, a motor output shaft, a sealing assembly and a bevel gear transmission part are installed; and the position of the outer diameter of a shaft section at the upper portion of the shell is connected with a sealing outer sleeve through threads. By means of the underground plug valve with electric power wirelessly controlled and capable of being opened and closed repeatedly, signal control is adopted, it is required that the plug valve can be driven into a well along with a pipe column, the full-opening state can be achieved by controlling a pipe column channel, and overflowing prevention in the full-closed state can be achieved.

Description

A kind of controlled in wireless electric power multiple switching down-hole plug valve
Technical field
The present invention relates to oilfield downhole operation environmental protection construction technical field, particularly to a kind of controlled in wireless electric power multiple switching down-hole plug valve。
Background technology
Along with gradually stepping up of environmental requirement, underground work quickly develops to green construction direction, and wherein rod tube removes is that frequency is the highest, need most the link controlling overflow in construction。No matter being at present injection-production column jacket or fracturing string, blanking plug, hand tap and the voltage-controlled cock adopted in work progress also exists that operating mode is limited, it is unreliable to switch, group joins the problems such as feasibility is little。For above-mentioned situation, being badly in need of comprehensive multidisciplinary technology, R & D design is a kind of can be applicable to deep, down-hole, complete repeatedly the electronic plug valve of repeat switch。
Summary of the invention
(1) technical problem to be solved
The technical problem to be solved is to provide a kind of controlled in wireless electric power multiple switching down-hole plug valve, also exists with the blanking plug overcoming prior art to adopt in work progress, hand tap and voltage-controlled cock that operating mode is limited, it is unreliable to switch, group joins the defects such as feasibility is little。
(2) technology contents
In order to solve above-mentioned technical problem, the present invention provides a kind of controlled in wireless electric power multiple switching down-hole plug valve, including: housing, hermetically sealed case, set of cells, circuit board, radio frequency signal receiver, motor, motor output shaft, seal assembly, Bevel Gear Transmission are secondary, turn ball, lower ball base, gasket ring, spring and lower contact;
Described housing, its underpart shaft part inner radius is contacted with turning ball by sphere, turn the internal diameter sphere-contact of ball lower end and lower ball base, the external diameter of lower ball base is axially inserted in gasket ring and spring, housing lower end is connected with lower contact by screw thread, the installation rear spring that puts in place is in impaction state, the upper top power of generation allow housing, turn ball, the sphere of lower ball base is in close contact and produces certain contact stress, thus realizing ball face sealing;
Described housing outer diameter radially inward has four groups of grooves, is respectively mounted set of cells, circuit board, radio frequency signal receiver, motor, motor output shaft, seal assembly, Bevel Gear Transmission pair, and electric power transmission therebetween adopts cable to connect;One gear key of Bevel Gear Transmission pair is installed on electronic output shaft, and another gear key is arranged on and turns on ball, and motor shaft is rotated through the driving of Bevel Gear Transmission pair and turns ball rotation, thus realizing opening or closing of main channel;The top shaft part outer radius of housing is threaded connection hermetically sealed case。
Preferably, adopt the 2nd O RunddichtringO to seal between described lower ball base and lower contact, between housing and lower contact, adopt the 3rd O RunddichtringO to seal。
Preferably, the bottom shaft part internal diameter of hermetically sealed case is sealed by an O RunddichtringO with lower housing portion shaft part external diameter。
Preferably, set of cells is circuit board, radio frequency signal receiver, motor continued power;
Starting motor work, motor output shaft, Bevel Gear Transmission pair drive and turn ball half-twist, and oil pipe internal channel is closed;
When oil pipe passage needs to open, putting into RF signal transmitter, start motor work, motor output shaft, Bevel Gear Transmission pair drive and turn ball reverse rotation 90 °, and oil pipe internal channel is opened。
(3) beneficial effect
The present invention provides a kind of controlled in wireless electric power multiple switching down-hole plug valve, adopt the controlled in wireless electric power multiple switching down-hole plug valve that signal controls, require that this plug valve with tubing string G.I.H, can control tubing string passage and both can realize full-gear, can realize again full off state anti-overflow。
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention controlled in wireless electric power multiple switching down-hole plug valve opening structural representation;
Fig. 2 is embodiment of the present invention controlled in wireless electric power multiple switching down-hole plug valve closed mode structural representation。
1: housing;2: the one O RunddichtringOs;3: hermetically sealed case;4: set of cells;5: circuit board;6: radio frequency signal receiver;7: motor;8: motor output shaft;9: seal assembly;10: Bevel Gear Transmission is secondary;11: turn ball;12: lower ball base;13: gasket ring;14: spring;15: the two O RunddichtringOs;16: the three O RunddichtringOs;17: lower contact。
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail。Following example are used for illustrating the present invention, but are not intended to limit the scope of the present invention。
As illustrated in fig. 1 and 2, the present invention provides a kind of controlled in wireless electric power multiple switching down-hole plug valve, including: housing the 1, the oneth O RunddichtringO 2, hermetically sealed case 3, set of cells 4, circuit board 5, radio frequency signal receiver 6, motor 7, motor output shaft 8, seal assembly 9, Bevel Gear Transmission pair 10, turn ball 11, lower ball base 12, gasket ring 13, spring the 14, the 2nd O RunddichtringO the 15, the 3rd O RunddichtringO 16 and lower contact 17。
Specifically, embodiment of the present invention controlled in wireless electric power multiple switching down-hole plug valve, including housing 1, its underpart shaft part inner radius is contacted with turning ball 11 by sphere, turn the internal diameter sphere-contact of ball 11 lower end and lower ball base 12, the external diameter of lower ball base 12 is axially inserted in gasket ring 13 and spring 14, and housing 1 lower end is connected with lower contact 17 by screw thread。The installation rear spring that puts in place is in impaction state, the upper top power of generation allow housing 1, turn ball 11, the sphere of lower ball base 12 is in close contact and produces certain contact stress, thus realizing ball face sealing。Adopt the 2nd O RunddichtringO 15 to seal between lower ball base 12 and lower contact 17, between housing 1 and lower contact 17, adopt the 3rd O RunddichtringO 16 to seal。
Housing 1 outer radial internal diameter direction has four groups of grooves, is respectively mounted set of cells 4, circuit board 5, radio frequency signal receiver 6, motor 7, motor output shaft 8, seal assembly 9, Bevel Gear Transmission pair 10, and electric power transmission therebetween adopts cable to connect;One gear key of Bevel Gear Transmission pair 10 is installed on electronic output shaft, and another gear key is arranged on and turns on ball 11, and motor shaft is rotated through Bevel Gear Transmission pair and drives and turn ball 11 and rotate, thus realizing opening or closing of main channel;The top shaft part outer radius of housing 1 is threaded connection hermetically sealed case 3, adopts an O RunddichtringO 2 to seal, and the bottom shaft part internal diameter of hermetically sealed case 3 is sealed by an O RunddichtringO 2 with housing 1 bottom shaft part external diameter。
The operation principle of embodiment of the present invention controlled in wireless electric power multiple switching down-hole plug valve is described in detail below:
This controlled in wireless electric power multiple switching down-hole plug valve can be joined in the optional position group of down-hole string, can join one or more according to process requirements group。General original state is opening, can carry out various construction technology, such as oil recovery, formation testing, pressure break etc.;After construction terminates, put into RF signal transmitter, set of cells 4 is circuit board 5, radio frequency signal receiver 6, motor 7 continued power, start motor 7 to work, motor output shaft 8, Bevel Gear Transmission secondary 10 drives and turns ball 11 half-twist, oil pipe internal channel is closed, it is prevented that down-hole liquid upwards overflows from oil pipe。When needs oil pipe passage is opened, putting into RF signal transmitter, start motor 7 and work, secondary 10 drivings of motor output shaft 8, Bevel Gear Transmission turn ball 11 and reversely rotate 90 °, and oil pipe internal channel is opened, and can carry out lower step process construction。
When one-trip string group joins multiple controlled in wireless electric power multiple switching down-hole plug valve, the controlled in wireless electric power multiple switching down-hole plug valve of optional position is turned off or on by once delivering RF signal transmitter selectivity, both met multiple underground work process requirements, lower tubular column environmental protection operation can have been realized again。
The above is only the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the technology of the present invention principle; can also making some improvement and deformation, these improve and deformation also should be regarded as protection scope of the present invention。

Claims (4)

1. a controlled in wireless electric power multiple switching down-hole plug valve, it is characterized in that, including: housing (1), hermetically sealed case (3), set of cells (4), circuit board (5), radio frequency signal receiver (6), motor (7), motor output shaft (8), seal assembly (9), Bevel Gear Transmission secondary (10), turn ball (11), lower ball base (12), gasket ring (13), spring (14) and lower contact (17);
Described housing (1), its underpart shaft part inner radius is contacted with turning ball (11) by sphere, turn the internal diameter sphere-contact of ball (11) lower end and lower ball base (12), the external diameter of lower ball base (12) is axially inserted in gasket ring (13) and spring (14), housing (1) lower end is connected with lower contact (17) by screw thread, the installation rear spring that puts in place is in impaction state, produce upper top power allow housing (1), turn ball (11), the sphere of lower ball base (12) is in close contact and produces certain contact stress, thus realizing ball face sealing;
Described housing (1) outer radial internal diameter direction has four groups of grooves, being respectively mounted set of cells (4), circuit board (5), radio frequency signal receiver (6), motor (7), motor output shaft (8), seal assembly (9), Bevel Gear Transmission secondary (10), electric power transmission therebetween adopts cable to connect;One gear key of Bevel Gear Transmission secondary (10) is installed on electronic output shaft, and another gear key is arranged on and turns on ball (11), and motor shaft is rotated through the driving of Bevel Gear Transmission pair and turns ball (11) rotation, thus realizing opening or closing of main channel;The top shaft part outer radius of housing (1) is threaded connection hermetically sealed case (3)。
2. controlled in wireless electric power multiple switching down-hole as claimed in claim 1 plug valve, it is characterized in that, adopt the 2nd O RunddichtringO (15) to seal between described lower ball base (12) and lower contact (17), between housing (1) and lower contact (17), adopt the 3rd O RunddichtringO (16) to seal。
3. controlled in wireless electric power multiple switching down-hole as claimed in claim 1 plug valve, it is characterised in that the bottom shaft part internal diameter of hermetically sealed case (3) is sealed by an O RunddichtringO (2) with housing (1) bottom shaft part external diameter。
4. controlled in wireless electric power multiple switching down-hole as claimed in claim 1 plug valve, it is characterised in that set of cells (4) is circuit board (5), radio frequency signal receiver (6), motor (7) continued power;
Starting motor (7) work, motor output shaft (8), Bevel Gear Transmission secondary (10) drive and turn ball (11) half-twist, and oil pipe internal channel is closed;
When oil pipe passage needs to open, putting into RF signal transmitter (6), start motor (7) work, motor output shaft (8), Bevel Gear Transmission secondary (10) driving turns ball (11) and reversely rotates 90 °, and oil pipe internal channel is opened。
CN201610125080.2A 2016-03-07 2016-03-07 A kind of wireless control electric power multiple switching underground plug valve Active CN105696973B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610125080.2A CN105696973B (en) 2016-03-07 2016-03-07 A kind of wireless control electric power multiple switching underground plug valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610125080.2A CN105696973B (en) 2016-03-07 2016-03-07 A kind of wireless control electric power multiple switching underground plug valve

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CN105696973A true CN105696973A (en) 2016-06-22
CN105696973B CN105696973B (en) 2018-08-31

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110130855A (en) * 2019-07-02 2019-08-16 陕西延长石油(集团)有限责任公司研究院 A kind of switchable sliding sleeve of pressure break full-bore and its application method
CN110219618A (en) * 2019-07-01 2019-09-10 大庆华油石油科技开发有限公司 The electronic water clogging tool of oil well
CN111577245A (en) * 2020-05-19 2020-08-25 成都佳广知科技有限公司 Intelligent water lifting gas production system and method for natural gas well
CN111764868A (en) * 2020-07-14 2020-10-13 中国石油集团渤海钻探工程有限公司 Downhole seat block extension device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665955A (en) * 1970-07-20 1972-05-30 George Eugene Conner Sr Self-contained valve control system
CN102305054A (en) * 2011-09-20 2012-01-04 武汉理工大学 Underground separated layer water injection control system based on RFID (radio frequency identification device)
CN103147722A (en) * 2013-03-08 2013-06-12 中国石油集团渤海钻探工程有限公司 Underground remote control sliding sleeve opening or closing device
CN204225844U (en) * 2014-10-28 2015-03-25 上海天合石油工程股份有限公司 A kind of kelly cock
CN204457609U (en) * 2015-02-08 2015-07-08 孔涛 Electric controlled multi-functional derailing switch
CN105089552A (en) * 2014-08-13 2015-11-25 兰德伟业科技集团有限公司 Fully intelligent well completion method of oil (gas) field production well

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3665955A (en) * 1970-07-20 1972-05-30 George Eugene Conner Sr Self-contained valve control system
CN102305054A (en) * 2011-09-20 2012-01-04 武汉理工大学 Underground separated layer water injection control system based on RFID (radio frequency identification device)
CN103147722A (en) * 2013-03-08 2013-06-12 中国石油集团渤海钻探工程有限公司 Underground remote control sliding sleeve opening or closing device
CN105089552A (en) * 2014-08-13 2015-11-25 兰德伟业科技集团有限公司 Fully intelligent well completion method of oil (gas) field production well
CN204225844U (en) * 2014-10-28 2015-03-25 上海天合石油工程股份有限公司 A kind of kelly cock
CN204457609U (en) * 2015-02-08 2015-07-08 孔涛 Electric controlled multi-functional derailing switch

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110219618A (en) * 2019-07-01 2019-09-10 大庆华油石油科技开发有限公司 The electronic water clogging tool of oil well
CN110130855A (en) * 2019-07-02 2019-08-16 陕西延长石油(集团)有限责任公司研究院 A kind of switchable sliding sleeve of pressure break full-bore and its application method
CN111577245A (en) * 2020-05-19 2020-08-25 成都佳广知科技有限公司 Intelligent water lifting gas production system and method for natural gas well
CN111764868A (en) * 2020-07-14 2020-10-13 中国石油集团渤海钻探工程有限公司 Downhole seat block extension device

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Inventor after: Zhang Weifeng

Inventor after: Zhang Guangyu

Inventor after: Zhao Lingjie

Inventor after: Li Guoqing

Inventor before: Zhao Lingjie

Inventor before: Zhang Guangyu

Inventor before: Li Guoqing

Inventor before: Jiang Defu

GR01 Patent grant
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TR01 Transfer of patent right
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Effective date of registration: 20181105

Address after: 163000 Daqing commercial service center, G commercial service center, Heilongjiang, Daqing, Guangdong Province, China. 509 B-

Patentee after: Daqing Haixing Petroleum Development Of Science And Technology Co., Ltd.

Address before: 163000 -A, east 2, Chengfeng street, Chengfeng village, Daqing, Heilongjiang, China.

Patentee before: DAQING FUWANTONG PETROLEUM SCIENCE & TECHNOLOGY CO., LTD.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190715

Address after: 163000 Zhengfengzhuang Zhengfengjie 297-A Dong2 # in Ranghu Road District, Daqing City, Heilongjiang Province

Patentee after: DAQING FUWANTONG PETROLEUM SCIENCE & TECHNOLOGY CO., LTD.

Address before: 163000 Business Service Center B-509, G District, Olin International Apartment Business District, Jeanhu Road District, Daqing City, Heilongjiang Province

Patentee before: Daqing Haixing Petroleum Development Of Science And Technology Co., Ltd.