CN204754886U - Submersible motor overhead directly drives formula screw pump oil production device - Google Patents
Submersible motor overhead directly drives formula screw pump oil production device Download PDFInfo
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- CN204754886U CN204754886U CN201520498476.2U CN201520498476U CN204754886U CN 204754886 U CN204754886 U CN 204754886U CN 201520498476 U CN201520498476 U CN 201520498476U CN 204754886 U CN204754886 U CN 204754886U
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- oil
- shaft coupling
- screw pump
- submersible
- kuppe
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Abstract
The utility model relates to an oil production device especially relates to a novel submersible motor overhead directly drives formula screw pump oil production device. The utility model provides a working shaft in the electronic oily screw pump oil recovery system that dives, the problem that shaft coupling and reduction gear easily broke down in 5.5 " sleeve pipe oil recovery wells, its instrument of anchoring in the pit 1, screen pipe 2, latent oily screw pump 3, threaded connection between 5 casings on oil pipe centralizer 4 and the shaft coupling, shaft coupling 5, the bearing room 6, the motor protection ware 7, the oil of diving directly drives motor 8, adopt flange joint between 9 casings of intercommunication nipple joint, intercommunication nipple joint 9 and 10 upper portion thread connection of kuppe, inlay on 5 casings on the shaft coupling 10 lower parts of kuppe, the utility model discloses get rid of rod string, had advantages such as the ground of elimination safety risk, saving manufacturing cost, improvement system efficiency.
Description
technical field:the utility model relates to a kind of oil extraction in oil field device, particularly relates on a kind of submersible electric machine with oil and puts direct-drive screw pump extracting device of oil.
background technology:in prior art, motor is placed in oil-submersible screw-pump oil production system bottommost, screw pump is placed in top, the submersible electric machine with oil of down-hole is by reducer or directly drive screw pump rotor to rotate by shaft coupling, although this technology eliminates sucker rod, but because its driving-chain is longer, reducer and screw pump outside dimension are 5.5, and " in Casing for extracting oil well, insufficient strength application is limited, working shaft and shaft coupling work pressurized, working shaft, shaft coupling and reducer are easy to break down, life-span is short, when particularly oil well output is lower, submersible electric machine with oil heat radiation is bad, affect complete machine application life.In order to solve the problem, give full play to the superiority of electric oil submerged screw pump oil extraction system, avoid working shaft, shaft coupling and reducer to break down, the utility model have developed do not have down-hole decelerator, shaft coupling not to bear pressure a kind of submersible electric machine with oil on put direct-drive screw pump extracting device of oil.
utility model content:the purpose of this utility model be to provide a kind of do not have down-hole decelerator, shaft coupling not to bear pressure and also be conducive to submersible electric machine with oil heat radiation submersible electric machine with oil on put direct-drive screw pump extracting device of oil.
The technical scheme that the utility model adopts is: it is become by down-hole anchor tool, screen casing, submersible screw pump, oil pipe rigid centralizer, shaft coupling, bearing chamber, motor protecter, oily direct driving motor of diving, connection pipe nipple, kuppe, the tubing centrilizer including ball-and-seat, safety valve, oil pipe, oil-submersible cable, well head, junction box and surface electrical control group from top to bottom; Wherein down-hole anchor tool, screen casing, submersible screw pump, be threaded between tubing centrilizer and shaft coupling housing, Flange joint is adopted between shaft coupling, bearing chamber, motor protecter, latent oily direct driving motor, connection pipe nipple housing, be communicated with pipe nipple and kuppe top thread connection, kuppe bottom is embedded on shaft coupling housing; Be communicated with between pipe nipple, the tubing centrilizer including ball-and-seat, safety valve, oil pipe, well head and be threaded; Oil-submersible cable is connected with latent oily direct driving motor through kuppe in down-hole, and oil-submersible cable is connected with junction box, surface electrical control cabinet through well head on ground; Wherein kuppe and inner shaft coupling, bearing chamber, motor protecter, oily direct driving motor of diving, be communicated with between pipe nipple and form an annular space, shaft coupling has intercommunicating pore with being communicated with on pipe nipple housing.
Oily direct driving motor of diving is low-speed big submersible electric machine with oil.
Shaft coupling is Hooks coupling universal coupling or long rods.
Down-hole anchor tool is slip-type anchor tool or the tubing anchoring tool such as rotary anchor tool or torque anchor.
Compared with the prior art, tool has the following advantages the utility model:
1) the utility model oil flow channel is placed in submersible electric machine with oil and between, add the flow velocity of liquid, improve Set under a well radiating condition, add Operational capability of plant and reliability.
2) power transmission shaft and shaft coupling only bear pulling force and moment of torsion, there is not buckle in compression problem, improve the reliability of system.
3) system eliminates rod string, improves oil extraction system efficiency, reduces energy consumption, eliminates flooring-safe risk, has saved cost of production, has facilitated management.
accompanying drawing illustrates:fig. 1 is the utility model structural representation.
detailed description of the invention:be further described the utility model below in conjunction with accompanying drawing, it is made up of down-hole anchor tool 1, screen casing 2, submersible screw pump 3, oil pipe rigid centralizer 4, shaft coupling 5, bearing chamber 6, motor protecter 7, oily direct driving motor 8 of diving, connection pipe nipple 9, kuppe 10, the tubing centrilizer 11 including ball-and-seat, safety valve 12, oil pipe 13, oil-submersible cable 14, well head 15, junction box 16 and surface electrical control cabinet 17 from top to bottom; Wherein down-hole anchor tool 1, screen casing 2, submersible screw pump 3, be threaded between tubing centrilizer 4 and shaft coupling 5 housing, Flange joint is adopted between shaft coupling 5, bearing chamber 6, motor protecter 7, oily direct driving motor 8 of diving, connection pipe nipple 9 housing, be communicated with pipe nipple 9 and kuppe 10 top thread connection, kuppe 10 bottom is embedded on shaft coupling 5 housing; Be communicated with between pipe nipple 9, the tubing centrilizer 11 including ball-and-seat, safety valve 12, oil pipe 13, well head 15 and be threaded; Oil-submersible cable 14 is connected with latent oily direct driving motor 8 through kuppe 10 in down-hole, and oil-submersible cable 14 is connected with junction box 16, surface electrical control cabinet 17 through well head 15 on ground; Wherein kuppe 10 and inner shaft coupling 5, bearing chamber 6, motor protecter 7, oily direct driving motor 8 of diving, be communicated with between pipe nipple 9 and form an annular space, shaft coupling 5 has intercommunicating pore with being communicated with on pipe nipple 9 housing.
Oily direct driving motor 8 of diving is low-speed big submersible electric machine with oil.
Shaft coupling 5 is Hooks coupling universal coupling or long rods.
Down-hole anchor tool 1 is slip-type anchor tool or the tubing anchoring tool such as rotary anchor tool or torque anchor.
During onsite application, Surface power drive passes to down-hole by surface electrical control cabinet 17, junction box 16, well head 15, oil-submersible cable 14 and to dive oily direct driving motor 8, the power transmission shaft of oily direct driving motor 8 of diving rotarily drives shaft coupling 5, the rotor of submersible screw pump 3 rotates, and the annular space formed between oily direct driving motor 8 by kuppe 10 and diving by underground by well liquid, oil pipe 13 give rise to ground.Wherein the rotating speed of submersible screw pump 3 carries out stepless speed regulation realization by surface electrical control cabinet 17.
Claims (4)
1. submersible electric machine with oil is put direct-drive screw pump extracting device of oil, it is characterized in that: it is from top to bottom by down-hole anchor tool (1), screen casing (2), submersible screw pump (3), oil pipe rigid centralizer (4), shaft coupling (5), bearing chamber (6), motor protecter (7), latent oily direct driving motor (8), be communicated with pipe nipple (9), kuppe (10), include the tubing centrilizer (11) of ball-and-seat, safety valve (12), oil pipe (13), oil-submersible cable (14), well head (15), junction box (16) and surface electrical control cabinet (17) composition, wherein down-hole anchor tool (1), screen casing (2), submersible screw pump (3), be threaded between tubing centrilizer (4) and shaft coupling (5) housing, Flange joint is adopted between shaft coupling (5), bearing chamber (6), motor protecter (7), oily direct driving motor (8) of diving, connection pipe nipple (9) housing, be communicated with pipe nipple (9) and kuppe (10) top thread connection, kuppe (10) bottom is embedded on shaft coupling (5) housing, connection pipe nipple (9), the tubing centrilizer (11) including ball-and-seat, safety valve (12), oil pipe (13), well head are threaded between (15), oil-submersible cable (14) is connected with latent oily direct driving motor (8) through kuppe (10) in down-hole, and oil-submersible cable (14) is connected with junction box (16), surface electrical control cabinet (17) through well head (15) on ground, wherein kuppe (10) and inner shaft coupling (5), bearing chamber (6), motor protecter (7), oily direct driving motor (8) of diving, be communicated with between pipe nipple (9) and form an annular space, shaft coupling (5) has intercommunicating pore with being communicated with on pipe nipple (9) housing.
2. direct-drive screw pump extracting device of oil put by submersible electric machine with oil according to claim 1, it is characterized in that: oily direct driving motor (8) of diving is low-speed big submersible electric machine with oil.
3. direct-drive screw pump extracting device of oil put by submersible electric machine with oil according to claim 1, it is characterized in that: shaft coupling (5) is Hooks coupling universal coupling or long rods.
4. direct-drive screw pump extracting device of oil put by submersible electric machine with oil according to claim 1, it is characterized in that: down-hole anchor tool (1) is slip-type anchor tool or rotary anchor tool or torque anchor tubing anchoring tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498476.2U CN204754886U (en) | 2015-07-10 | 2015-07-10 | Submersible motor overhead directly drives formula screw pump oil production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498476.2U CN204754886U (en) | 2015-07-10 | 2015-07-10 | Submersible motor overhead directly drives formula screw pump oil production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204754886U true CN204754886U (en) | 2015-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201520498476.2U Active CN204754886U (en) | 2015-07-10 | 2015-07-10 | Submersible motor overhead directly drives formula screw pump oil production device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464630A (en) * | 2016-01-04 | 2016-04-06 | 山东润发石油设备科技有限公司 | Screw pump directly driven through large-torque submersible motor |
| CN105822522A (en) * | 2016-04-27 | 2016-08-03 | 成都绿迪科技有限公司 | Oil well pump for oil exploitation |
| CN106089694A (en) * | 2016-08-24 | 2016-11-09 | 玉田县科联实业有限公司 | Submersible screw pump |
| CN106761581A (en) * | 2017-02-07 | 2017-05-31 | 安徽浙科智创新能源科技有限公司 | A kind of switched reluctance machines direct-drive type extracting device of oil |
| 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 |
| CN109209900A (en) * | 2017-06-30 | 2019-01-15 | 中国石油天然气股份有限公司 | A kind of suspension type submersible screw pump oil extraction device |
| CN111720098A (en) * | 2019-03-20 | 2020-09-29 | 中国石油天然气股份有限公司 | Novel oil of diving directly drives lifting device |
| CN112855085A (en) * | 2021-01-20 | 2021-05-28 | 西南石油大学 | Submersible direct-drive screw pump gas lift composite lifting process suitable for offshore low-yield well |
| CN113756750A (en) * | 2020-06-03 | 2021-12-07 | 中石化石油工程技术服务有限公司 | Balanced liquid extracting device for spiral pump in horizontal well pipe |
-
2015
- 2015-07-10 CN CN201520498476.2U patent/CN204754886U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105464630A (en) * | 2016-01-04 | 2016-04-06 | 山东润发石油设备科技有限公司 | Screw pump directly driven through large-torque submersible motor |
| CN105822522A (en) * | 2016-04-27 | 2016-08-03 | 成都绿迪科技有限公司 | Oil well pump for oil exploitation |
| CN106089694A (en) * | 2016-08-24 | 2016-11-09 | 玉田县科联实业有限公司 | Submersible screw pump |
| CN106761581A (en) * | 2017-02-07 | 2017-05-31 | 安徽浙科智创新能源科技有限公司 | A kind of switched reluctance machines direct-drive type extracting device of oil |
| CN109209900A (en) * | 2017-06-30 | 2019-01-15 | 中国石油天然气股份有限公司 | A kind of suspension type submersible screw pump oil extraction device |
| 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 |
| CN111720098A (en) * | 2019-03-20 | 2020-09-29 | 中国石油天然气股份有限公司 | Novel oil of diving directly drives lifting device |
| CN113756750A (en) * | 2020-06-03 | 2021-12-07 | 中石化石油工程技术服务有限公司 | Balanced liquid extracting device for spiral pump in horizontal well pipe |
| CN112855085A (en) * | 2021-01-20 | 2021-05-28 | 西南石油大学 | Submersible direct-drive screw pump gas lift composite lifting process suitable for offshore low-yield well |
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