WO2019013676A1 - Привод скважинного насоса - Google Patents
Привод скважинного насоса Download PDFInfo
- Publication number
- WO2019013676A1 WO2019013676A1 PCT/RU2018/050114 RU2018050114W WO2019013676A1 WO 2019013676 A1 WO2019013676 A1 WO 2019013676A1 RU 2018050114 W RU2018050114 W RU 2018050114W WO 2019013676 A1 WO2019013676 A1 WO 2019013676A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nut
- drive
- screw
- housing
- electric motor
- Prior art date
Links
- 230000002441 reversible effect Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 21
- 238000005096 rolling process Methods 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 abstract 1
- 230000001012 protector Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 244000273618 Sphenoclea zeylanica Species 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in wells
- E21B43/121—Lifting well fluids
- E21B43/128—Adaptation of pump systems with down-hole electric drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
- F04B47/06—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps having motor-pump units situated at great depth
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/02—Piston machines or pumps characterised by the driving or driven means to or from their working members the means being mechanical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
- F16H25/08—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion
- F16H25/12—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for interconverting rotary motion and reciprocating motion with reciprocation along the axis of rotation, e.g. gearings with helical grooves and automatic reversal or cams
- F16H25/122—Gearings with helical grooves and automatic reversal
Definitions
- the invention relates to oil-producing equipment and can be used to drive submersible plunger-type borehole pumps used in the operation of low-yield wells.
- a submersible plunger pump with a screw-nut rolling transmission for lifting fluid from a great depth including a housing, a submersible electric motor equipped with a hydraulic protection, the drive shaft of which is connected to a screw-nut rolling transfer screw that is in a movable connection with the housing and connected to the pump plunger rod.
- the stem is sealed in the housing and connected to the rolling nut by means of a cylindrical hollow stem, which encloses the screw and is connected to the movable joint, and the internal cavity of the housing is filled with barrier oil.
- the pump contains a cylinder with a plunger movably connected to it, as well as a discharge valve and a suction valve located on the plunger head, and a cavity is formed between them, communicating with the cavity of the well annulus through receiving grids installed in the cylinder walls of the plunger pump.
- the submersible electric motor is made valve-type, and its shaft is connected to the transmission screw screw-nut rolling through the bearing-bearing unit located in the lower part hull over hydroprotection.
- the valve motor is connected to a control station containing a controller with embedded software (RU147159, IPC F04B47 / 00, publ. 10/27/2014).
- the present invention solves the technical problem of improving reliability and energy efficiency.
- the drive of the borehole pump comprising a housing, a submersible electric motor with hydraulic protection, the drive shaft of which is connected to a screw-nut rolling transmission screw, which is in movable connection with the housing and connected to the rod sealed in the housing, the internal cavities of the housing are filled with oil and through an elastic casing communicate the cavity of the well, while the drive shaft of the electric motor is connected with the transfer of the screw-nut rolling through a reversible gear with a switching mechanism.
- the switching mechanism consists of a thrust connected to the transfer nut of the screw-nut rolling and reversible gear, the thrust has a lock of the extreme positions.
- the switching mechanism consists of an additional screw-nut transmission, installed between the rolling screw and the reverse gear reducer, the nut of the additional transmission screw nut is connected through the push rod with the reverse gear, the push rod has a lock of the extreme positions.
- the reversing gearbox is connected with the transmission of the screw-nut rolling through the elastic coupling.
- FIG. 1 drive downhole pump with a switching mechanism in the form of thrust.
- FIG. 2 - drive a downhole pump with a switching mechanism in the form of an additional screw-nut transmission.
- the drive of the downhole pump (see Fig. 1) includes a housing 1, a submersible motor 2 with hydroprotection 3.
- the motor shaft (not shown in Fig.) Through the shaft 4 of the hydroprotection 3 is connected to the intermediate shaft 5 of the clutch 6.
- the intermediate shaft 5 via a reverse gear 7 and the coupling 8 is connected with the screw 9 of the screw-nut transmission.
- the nut 10 of the transfer screw-nut is rigidly connected through the hollow rod 11 and the centralizer 12 with the rod 13 sealed in the housing 1 seals 14.
- cable 21 is used to power the submersible electric motor.
- an additional screw-nut transmission consisting of screw 22 and nut 23 is mounted between the reversing gearbox 7 and the screw-nut transmission screw 9.
- the nut 23 is connected a pusher 24 with a reversing gear 7.
- the pusher has a lock of extreme positions 25
- the drive of the borehole pump is filled with oil, connected to a plunger-type pump and lowered into the well on the tubing-compressor tubing string.
- the cable 21 (see Fig. 1) to the motor 2 is supplied current.
- the torque from the shaft of the electric motor 2 through the shaft 4 of the hydroprotection 3 and the reversing gear 7 is transmitted to the screw 9 of the gear screw, the rotation of which, the nut 10 makes translational motion.
- the nut 10 transmits movement through the hollow rod 11, the centralizer 12 and the rod 13 to the pump plunger type.
- the cycle is repeated many times throughout the drive.
- the pusher 24 has significantly smaller axial dimensions than the thrust 15. The operation of the pusher 24 is similar to the work of the thrust 15.
- the clutch 8 may be elastic to eliminate shock loads when switching the direction of rotation of the screw 9 of the transmission screw-nut.
- Ball screw or roller screw gear can be used as a screw-nut gear.
- Submersible motor 2 can be asynchronous, asynchronous with increased voltage or valve.
- Reversing gearbox switching occurs only when the screw-nut transmission nut (or additional screw-nut transmission) reaches the extreme positions, which increases the reliability of the drive.
- the motor operates in a constant mode, which increases the reliability and energy efficiency of the drive due to the fact that there are no repeated start-stop of the motor and, therefore, an abrupt increase in current at the time of start-up is excluded.
- the solutions used in the invention improve the reliability and energy efficiency of the drive of a downhole pump.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Reciprocating Pumps (AREA)
- Transmission Devices (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EA201991952A EA037725B1 (ru) | 2017-07-12 | 2018-09-12 | Привод скважинного насоса |
US16/608,198 US11391131B2 (en) | 2017-07-12 | 2018-09-12 | Downhole pump drive including reverse reduction gear with switching mechanism |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2017124813A RU2680478C2 (ru) | 2017-07-12 | 2017-07-12 | Привод скважинного насоса (варианты) |
RU2017124813 | 2017-07-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019013676A1 true WO2019013676A1 (ru) | 2019-01-17 |
Family
ID=65002307
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/RU2018/050114 WO2019013676A1 (ru) | 2017-07-12 | 2018-09-12 | Привод скважинного насоса |
Country Status (4)
Country | Link |
---|---|
US (1) | US11391131B2 (ru) |
EA (1) | EA037725B1 (ru) |
RU (1) | RU2680478C2 (ru) |
WO (1) | WO2019013676A1 (ru) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2728561C1 (ru) * | 2020-01-22 | 2020-07-30 | Акционерное общество "ГМС Нефтемаш" | Гидромеханический погружной редуктор |
CN116163937B (zh) * | 2022-12-30 | 2024-02-06 | 华创机器人制造有限公司 | 一种潜油柱塞泵采油机 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU427192A1 (ru) * | 1970-05-08 | 1974-05-05 | С. И. Кухарь , Т. М. Дашкевич | Передача для преобразования вращательногодвижения |
US5404767A (en) * | 1993-09-03 | 1995-04-11 | Sutherland; James M. | Oil well pump power unit |
RU2133875C1 (ru) * | 1998-01-05 | 1999-07-27 | Акционерная нефтяная компания Башнефть | Привод скважинного штангового насоса |
RU147159U1 (ru) * | 2013-12-25 | 2014-10-27 | Салихьян Шакирьянович Шарипов | Установка погружного плунжерного насоса с передачей винт-гайка качения для подъема газожидкостной смеси из нефтяных скважин |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3556679A (en) * | 1968-08-08 | 1971-01-19 | Continental Oil Co | Metering pump |
FR2085481A1 (en) * | 1970-04-24 | 1971-12-24 | Schlumberger Prospection | Anchoring device - for use in locating a detector for a jammed drilling string |
US4225148A (en) * | 1972-02-10 | 1980-09-30 | Aktiebolaget Svenska Kullagerfabriken | Steering systems |
US3801768A (en) * | 1972-03-22 | 1974-04-02 | Westinghouse Electric Corp | Grounding switch |
JPS4912401A (ru) * | 1972-05-17 | 1974-02-02 | ||
US3884040A (en) * | 1973-02-26 | 1975-05-20 | Superior Iron Works & Supply C | Hydraulic actuator |
SU1020636A1 (ru) * | 1981-12-23 | 1983-05-30 | Radzhabov Nazim N | Привод скважинного штангового насоса |
SE8800386L (sv) * | 1988-02-05 | 1989-08-06 | Control Drive Utveckling Komma | Anordning foer oeverfoering av vridmoment |
US5501580A (en) * | 1995-05-08 | 1996-03-26 | Baker Hughes Incorporated | Progressive cavity pump with flexible coupling |
RU2532641C1 (ru) * | 2013-06-13 | 2014-11-10 | Закрытое акционерное общество "ПАРМ-ГИНС" | Погружной насосный агрегат |
JP6193291B2 (ja) * | 2015-04-13 | 2017-09-06 | 三井造船株式会社 | 燃料供給装置 |
GB201607714D0 (en) * | 2016-05-03 | 2016-06-15 | Coreteq Ltd | Progressive cavity pumps |
-
2017
- 2017-07-12 RU RU2017124813A patent/RU2680478C2/ru active
-
2018
- 2018-09-12 WO PCT/RU2018/050114 patent/WO2019013676A1/ru active Application Filing
- 2018-09-12 EA EA201991952A patent/EA037725B1/ru not_active IP Right Cessation
- 2018-09-12 US US16/608,198 patent/US11391131B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU427192A1 (ru) * | 1970-05-08 | 1974-05-05 | С. И. Кухарь , Т. М. Дашкевич | Передача для преобразования вращательногодвижения |
US5404767A (en) * | 1993-09-03 | 1995-04-11 | Sutherland; James M. | Oil well pump power unit |
RU2133875C1 (ru) * | 1998-01-05 | 1999-07-27 | Акционерная нефтяная компания Башнефть | Привод скважинного штангового насоса |
RU147159U1 (ru) * | 2013-12-25 | 2014-10-27 | Салихьян Шакирьянович Шарипов | Установка погружного плунжерного насоса с передачей винт-гайка качения для подъема газожидкостной смеси из нефтяных скважин |
Also Published As
Publication number | Publication date |
---|---|
RU2017124813A3 (ru) | 2019-01-15 |
US11391131B2 (en) | 2022-07-19 |
US20210102449A1 (en) | 2021-04-08 |
RU2680478C2 (ru) | 2019-02-21 |
RU2017124813A (ru) | 2019-01-15 |
EA201991952A1 (ru) | 2020-04-23 |
EA037725B1 (ru) | 2021-05-14 |
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