CN105239970A - Submersible direct-drive screw pump oil production equipment - Google Patents
Submersible direct-drive screw pump oil production equipment Download PDFInfo
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- CN105239970A CN105239970A CN201510771998.XA CN201510771998A CN105239970A CN 105239970 A CN105239970 A CN 105239970A CN 201510771998 A CN201510771998 A CN 201510771998A CN 105239970 A CN105239970 A CN 105239970A
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Abstract
The invention discloses submersible direct-drive screw pump oil production equipment which comprises an oil production executing mechanism and a control mechanism. The oil production executing mechanism comprises a wellhead device, an oil pipe, a screw pump and a motor. The screw pump is located beneath the oil pipe, and an oil outlet of the screw pump is communicated with the oil pipe. The motor is located below the screw pump and used for driving the screw pump to work. The control mechanism comprises an oil inlet sensor, an oil outlet sensor and a control cabinet. The control cabinet is used for receiving signals collected by all the sensors and controlling the motor to work according to the received signals. According to the submersible direct-drive screw pump oil production equipment, the oil pipe, the screw pump, the motor and the like are arranged under a well, a series of traditional components like a kowtow machine and an oil pumping driving rod are omitted, no mechanical rotating members exist on the ground, the occupied area is small, noise is low, working efficiency is high, and the failure rate is low; the oil inlet sensor and the oil outlet sensor are arranged under the well so that the downhole operating condition can be monitored in real time; the control cabinet controls the rotating speed of the motor according to the received signals, and thus the oil production executing mechanism can operate intelligently and efficiently.
Description
Technical field
The present invention relates to technical field of oil extraction equipment, be specifically related to latent oily directly-driven screw pump oil production equipment.
Background technology
Be main mainly with ground oil production equipment in existing oil production equipment, wherein, oil pumper is the capital equipment from underground pumping crude oil, the widely used oil pumper in oil recovery factory is substantially all traditional machine of kowtowing form of structure both at home and abroad at present, as Authorization Notice No. be CN204186355U patent document discloses a kind of beam pumping unit, comprise motor, reducer, traffic cycle, movable weight, ballast box, pitman shaft, connect walking beam, crossbeam connecting rod, support shaft, horse head, lifting rope, polished rod eye, support, base, belt, motor, reducer and support are all arranged on base, motor is connected with traffic cycle by belt, traffic cycle is arranged on reducer, traffic cycle by pitman shaft and crossbeam connecting rod be connected walking beam and connect, ballast box and connection walking beam connect, movable weight is placed with inside ballast box, connect walking beam to be connected with horse head, connect walking beam to be connected with support by support shaft again.As Authorization Notice No. be CN201412122Y patent document discloses a kind of roller toggle type energy-saving oil pumping unit for twin-well, comprise frame, horse head, sucker rod and swing arm toggle mechanism, horse head stake on horse head is connected with sucker rod by horsehead rope, the middle part of horse head is fixed with swing arm, swing arm is provided with longitudinal guide-track groove, swing arm toggle mechanism is fixedly installed in frame, and the lower end of swing arm is fixedly hinged in frame; The two ends of horse head are respectively arranged with a horse head stake; Be fixedly installed pulley respectively in horse head both sides, the horsehead rope in two horse head stakes is interlaced, is connected respectively by pulley with two sucker rods.
The situation of domestic current oil recovery is comparatively complicated, current and future will in the face of a series of special oil reservoirs such as LOW PERMEABILITY RESERVOIR, inspissated pool, ultra-high water cut stage oil reservoir, sea, deserts, problem is many, difficulty is large, involve a wide range of knowledge, above-mentioned ground oil production equipment can not adapt to the larger environment of oil mining difficulty, and oil pumping drive rod is easily threaded off, is ruptured, and oil production equipment cannot Real-Time Monitoring to the situation of underground, produce oil efficiency is lower.
Summary of the invention
The present invention is directed to the problems referred to above, overcome at least one deficiency, propose a kind of oily directly-driven screw pump oil production equipment of diving.Solve existing oil production equipment can not adapt to the larger environment of oil mining difficulty and Real-Time Monitoring, problem that produce oil efficiency is lower can not be carried out to the situation of underground.
The technical scheme that the present invention takes is as follows:
A kind of oily directly-driven screw pump oil production equipment of diving, comprise oil recovery executing agency and controlling organization, described oil recovery executing agency comprises:
Wellhead assembly, is arranged on well head;
Oil pipe, is positioned at well, and the top of described oil pipe is relative with described wellhead assembly fixing;
Screw pump, is positioned at the below of oil pipe, has oil-out and oil-in, and the oil-out of screw pump is communicated with described oil pipe;
Motor, is positioned at the below of screw pump, and the top of motor is provided with protector and shaft coupling, and motor drives described screw pump work by shaft coupling;
Described controlling organization comprises:
Oil-in sensor, is arranged on the oil-in of described screw pump;
Oil-out sensor, is arranged on the oil-out of described screw pump;
Switch board, for receiving the signal of oil-in sensor and the collection of oil-out sensor and controlling described machine operation according to received signal.
The parts such as oil pipe, screw pump, motor are placed in down-hole by the application, and eliminate some row assemblies such as traditional machine of kowtowing, oil pumping drive rod, ground mechanical rotary part, floor space is little, and noise is low, and operating efficiency is high, failure rate is low; Adopt efficient screw pump, low operating rate and starting torque are large, safeguard simple, running cost is low, applied widely (viscous crude, inclined shaft, horizontal well, marine etc.); By arranging oil-in sensor in down-hole, oil-out sensor can monitor down-hole operating condition in real time, and switch board, according to received signal control motor rotating speed, makes oil recovery executing agency intelligent and high-efficiency run.
Further, described switch board is connected with motor, oil-in sensor and oil-out sensor by armored cable.
Further, described oil-in sensor comprises any one or multiple combination of pressure sensor, temperature pick up, flow transmitter or flow rate of liquid sensor; Described oil-out sensor comprises any one or multiple combination of pressure sensor, temperature pick up, flow transmitter or flow rate of liquid sensor.
Corresponding data can be obtained by arranging corresponding sensor, can according to the environmental selection kind of sensor of correspondence during practice.
Further, described oil-in sensor and oil-out sensor include pressure sensor and temperature pick up.
Can be gathered pressure signal and the temperature signal of screw pump oil-in and oil-out respectively by pressure sensor and temperature pick up, switch board can carry out computing by two groups of data, sends corresponding control signal, controls motor and runs.
Further, described motor is permagnetic synchronous motor.
Adopt permagnetic synchronous motor to save reducer, the structure of system is comparatively simple, can effectively reduce fault rate and energy consumption.
Further, the well head transformer be electrically connected with described switch board is also comprised.
Further, described oil recovery executing agency also comprises the bottom centralizer be arranged on below motor.
Bottom centralizer can play centralizing function to devices such as the motors of down-hole, solves eccentric wear problem of going into the well, can extend the application life of oil pipe, screw pump and motor.
The invention has the beneficial effects as follows: the parts such as oil pipe, screw pump, motor are placed in down-hole, eliminate some row assemblies such as traditional machine of kowtowing, oil pumping drive rod, ground mechanical rotary part, floor space is little, and noise is low, and operating efficiency is high, failure rate is low; By arranging oil-in sensor in down-hole, oil-out sensor can monitor down-hole operating condition in real time, and switch board, according to received signal control motor rotating speed, makes oil recovery executing agency intelligent and high-efficiency run.
Accompanying drawing illustrates:
Fig. 1 is that the present invention dives the structural representation of oily directly-driven screw pump oil production equipment;
Fig. 2 is that the present invention dives the theory diagram of oily directly-driven screw pump oil production equipment.
In figure, each Reference numeral is:
1, well head transformer, 2, switch board, 3, armored cable; 4, wellhead assembly, 5, pipe collar, 6, pumping hole flowline; 7, oil-out sensor, 8, screw pump, 9, pumping hole oil inlet pipe; 10, oil-in sensor, 11, strain relief clamp, 12, shaft coupling; 13, protector; 14, motor, 15, bottom centralizer, 16, oil pipe section.
Detailed description of the invention:
Below in conjunction with each accompanying drawing, the present invention is described in detail.
As shown in Figure 1, a kind of oily directly-driven screw pump oil production equipment of diving, comprise oil recovery executing agency and controlling organization, oil recovery executing agency comprises:
Wellhead assembly 4, is arranged on well head;
Oil pipe, is positioned at well, and the top of oil pipe is relative with wellhead assembly fixing;
Screw pump 8, is positioned at the below of oil pipe, has oil-out and oil-in, and the oil-out of screw pump is communicated with oil pipe;
Motor 14, is positioned at the below of screw pump 8, and the top of motor is provided with protector 13 and shaft coupling 12, and motor is worked by shaft coupling 12 drive screw pump 8;
Controlling organization comprises:
Oil-in sensor 10, is arranged on the oil-in of screw pump;
Oil-out sensor 7, is arranged on the oil-out of screw pump;
Switch board 2, for receiving the signal of oil-in sensor 10 and oil-out sensor 7 collection and working according to received signal control motor 14.
In the present embodiment, oil pipe, by how to connect and compose successively with oil pipe section 16, is connected by pipe collar 5 between adjacent two oil pipe sections 16, by the oil pipe selecting the quantity of oil pipe section can form various length as required.
In the present embodiment, screw pump 8 comprises pumping hole oil inlet pipe 9 and pumping hole flowline 6, and wherein pumping hole flowline 6 is connected with oil pipe by pipe collar 5, can also be connected during practice with flange with oil pipe.During screw pump work, the liquid in well is entered screw pump by pumping hole oil inlet pipe and is delivered in oil pipe by pumping hole flowline.During practice, pumping hole oil inlet pipe 9 and pumping hole flowline 6 are the joint short tube added, and can be fixed on oil-in corresponding to screw pump or oil-out by modes such as welding, sensor is embedded in short tube, and this structure facilitates the installation of sensor.
In the present embodiment, also comprise the well head transformer 1 be electrically connected with switch board 2, switch board 2 is connected with motor 14, oil-in sensor 10 and oil-out sensor 7 by armored cable 3, in order to fixing armored cable 3, by strain relief clamp 11, armored cable can be fixed on the lateral wall of the parts such as oil pipe, screw pump, motor.
The wellhead assembly 4 of the present embodiment, for hanging device in the wells such as oil pipe, plays suspension and load-bearing effect, also for impervious sheathed cable, and connected pipes and surface line etc.
In the present embodiment, oil-in sensor 10 and oil-out sensor 7 include pressure sensor and temperature pick up.During practice, oil-in sensor and oil-out sensor can also be any one or multiple combination of pressure sensor, temperature pick up, flow transmitter or flow rate of liquid sensor, corresponding data can be obtained by arranging corresponding sensor, can according to the environmental selection kind of sensor of correspondence during practice.The present embodiment can gather pressure signal and the temperature signal of screw pump oil-in and oil-out respectively by pressure sensor and temperature pick up, and switch board can carry out computing by two groups of data, sends corresponding control signal, controls motor and runs.
In the present embodiment, motor 14 is permagnetic synchronous motor, and oil recovery executing agency also comprises the bottom centralizer 15 be arranged on below motor.Adopt permagnetic synchronous motor to save reducer, the structure of system is comparatively simple, can effectively reduce fault rate and energy consumption; Bottom centralizer can play centralizing function to devices such as the motors of down-hole, solves eccentric wear problem of going into the well, can extend the application life of oil pipe, screw pump and motor.
As shown in Figure 2, the parts such as oil pipe, screw pump, motor are placed in down-hole by the latent oily directly-driven screw pump oil production equipment of the present embodiment, eliminate some row assemblies such as traditional machine of kowtowing, oil pumping drive rod, ground mechanical rotary part, floor space is little, and noise is low, operating efficiency is high, failure rate is low; Adopt efficient screw pump, low operating rate and starting torque are large, safeguard simple, running cost is low, applied widely (viscous crude, inclined shaft, horizontal well, marine etc.); By arranging oil-in sensor in down-hole, oil-out sensor can monitor down-hole operating condition in real time, switch board receives the signal of oil-in sensor and the collection of oil-out sensor, and according to received signal control motor work, oil recovery executing agency intelligent and high-efficiency is run.
The foregoing is only the preferred embodiments of the present invention; not thereby scope of patent protection of the present invention is namely limited; the equivalent structure transformation that every utilization manual of the present invention and accompanying drawing content are done; directly or indirectly be used in the technical field that other are relevant, be all in like manner included in protection scope of the present invention.
Claims (7)
1. a latent oily directly-driven screw pump oil production equipment, it is characterized in that, comprise oil recovery executing agency and controlling organization, described oil recovery executing agency comprises:
Wellhead assembly, is arranged on well head;
Oil pipe, is positioned at well, and the top of described oil pipe is relative with described wellhead assembly fixing;
Screw pump, is positioned at the below of oil pipe, has oil-out and oil-in, and the oil-out of screw pump is communicated with described oil pipe;
Motor, is positioned at the below of screw pump, and the top of motor is provided with protector and shaft coupling, and motor drives described screw pump work by shaft coupling;
Described controlling organization comprises:
Oil-in sensor, is arranged on the oil-in of described screw pump;
Oil-out sensor, is arranged on the oil-out of described screw pump;
Switch board, for receiving the signal of oil-in sensor and the collection of oil-out sensor and controlling described machine operation according to received signal.
2. oily directly-driven screw pump oil production equipment of diving as claimed in claim 1, it is characterized in that, described switch board is connected with motor, oil-in sensor and oil-out sensor by armored cable.
3. as claimed in claim 1 oily directly-driven screw pump oil production equipment of diving, is characterized in that, described oil-in sensor comprises any one or multiple combination of pressure sensor, temperature pick up, flow transmitter or flow rate of liquid sensor; Described oil-out sensor comprises any one or multiple combination of pressure sensor, temperature pick up, flow transmitter or flow rate of liquid sensor.
4. oily directly-driven screw pump oil production equipment of diving as claimed in claim 3, it is characterized in that, described oil-in sensor and oil-out sensor include pressure sensor and temperature pick up.
5. oily directly-driven screw pump oil production equipment of diving as claimed in claim 1, it is characterized in that, described motor is permagnetic synchronous motor.
6. oily directly-driven screw pump oil production equipment of diving as claimed in claim 1, is characterized in that, also comprise the well head transformer be electrically connected with described switch board.
7. oily directly-driven screw pump oil production equipment of diving as claimed in claim 1, it is characterized in that, described oil recovery executing agency also comprises the bottom centralizer be arranged on below motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771998.XA CN105239970A (en) | 2015-11-12 | 2015-11-12 | Submersible direct-drive screw pump oil production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510771998.XA CN105239970A (en) | 2015-11-12 | 2015-11-12 | Submersible direct-drive screw pump oil production equipment |
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| CN105239970A true CN105239970A (en) | 2016-01-13 |
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| CN201510771998.XA Pending CN105239970A (en) | 2015-11-12 | 2015-11-12 | Submersible direct-drive screw pump oil production equipment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781531A (en) * | 2016-03-31 | 2016-07-20 | 杭州乾景科技有限公司 | Method for measuring downhole data |
| CN107780912A (en) * | 2016-08-31 | 2018-03-09 | 中国石油天然气股份有限公司 | Cased well fracturing liquid discharging method and system |
| CN108626139A (en) * | 2018-07-12 | 2018-10-09 | 杭州乾景科技有限公司 | A kind of submersible electric pump exit parameter measuring apparatus |
| CN111287701A (en) * | 2020-01-09 | 2020-06-16 | 黑龙江瑞鑫永磁电机制造有限公司 | Complete driving and controlling device for oil-submersible screw pump |
| CN115573676A (en) * | 2022-12-09 | 2023-01-06 | 山东高原油气装备有限公司 | Oil-submersible screw pump equipment convenient for tripping operation and operation method thereof |
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| US20080066920A1 (en) * | 2006-09-15 | 2008-03-20 | Marc Allcorn | Providing a cleaning tool having a coiled tubing and an electrical pump assembly for cleaning a well |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105781531A (en) * | 2016-03-31 | 2016-07-20 | 杭州乾景科技有限公司 | Method for measuring downhole data |
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| CN107780912A (en) * | 2016-08-31 | 2018-03-09 | 中国石油天然气股份有限公司 | Cased well fracturing liquid discharging method and system |
| CN108626139A (en) * | 2018-07-12 | 2018-10-09 | 杭州乾景科技有限公司 | A kind of submersible electric pump exit parameter measuring apparatus |
| CN111287701A (en) * | 2020-01-09 | 2020-06-16 | 黑龙江瑞鑫永磁电机制造有限公司 | Complete driving and controlling device for oil-submersible screw pump |
| CN111287701B (en) * | 2020-01-09 | 2020-10-02 | 黑龙江瑞鑫永磁电机制造有限公司 | Complete driving and controlling device for oil-submersible screw pump |
| CN115573676A (en) * | 2022-12-09 | 2023-01-06 | 山东高原油气装备有限公司 | Oil-submersible screw pump equipment convenient for tripping operation and operation method thereof |
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Application publication date: 20160113 |
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