CN2101750U - Digital controlled operating energy saving oil sucking machine - Google Patents
Digital controlled operating energy saving oil sucking machine Download PDFInfo
- Publication number
- CN2101750U CN2101750U CN 91226160 CN91226160U CN2101750U CN 2101750 U CN2101750 U CN 2101750U CN 91226160 CN91226160 CN 91226160 CN 91226160 U CN91226160 U CN 91226160U CN 2101750 U CN2101750 U CN 2101750U
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- Prior art keywords
- oil pumping
- energy saving
- sensor
- digital controlled
- operating energy
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Abstract
The utility model relates to a digital controlled operating energy saving oil pumping machine. The digital controlled operating energy saving oil pumping machine is provided with an oil pumping pump device which is composed of an oil pumping piston, etc., and a power actuating device which is composed of a hydraulic cylinder, etc. The digital controlled operating energy saving oil pumping machine is characterized in that a liquid box is a pressurized container, and the pressurized container is provided with a compressed air source which carries out regulating to the pressure of the pressurized container. A power source is an alternating current motor with an adjustable inverter. An oil pressure sensor, a temperature sensor, a hydraulic pressure sensor, a liquid box sensor, a piston position sensor, and a programmable controller for receiving the signal of each sensor and carrying out control to the adjustable inverse and the compressed air source are arranged in the digital controlled operating energy saving oil pumping machine. The digital controlled operating energy saving oil pumping machine automatically regulate the motion of the oil pumping piston through measuring actual operating datum to achieve the best work efficiency.
Description
A kind of numerically controlled energy-saving oil extractor, it belongs to field mining equipment, is used for the Petroleum Production of oilfield.
The oil pumper that uses in the oil field owing to adopt mechanically operated method that piston up-down is pumped, the power of piston motion and displacement relation are not complementary, thereby pumping efficiency is very low now.Other oil pumper is arranged, use hydraulic system to carry out the driving of swabs, though what can make swabs is in the constant force duty substantially when the oil pumping stroke,, therefore can not adapt to the oil well of various different oil, different viscosities and pressure because its displacement and the relation of power can not change.Simultaneously, can not change the period of motion of swabs, satisfy the needs of best pumping efficiency and production management.
The objective of the invention is to invent a kind of numerically controlled energy-saving oil extractor that can regulate swabs movement velocity relation voluntarily and make it to satisfy best displacement and power relation.It has best operating efficiency, and can change the productivity ratio of oil well easily, satisfies the needs of production management.
The present invention as shown in Figure 1, it has by oil pumping cylinder body 1, the oil-well pump device that swabs 2 and sucker rod 4 are formed, with by power source 5, hydraulic cylinder 6, hydraulic piston 7, the power executing device that hydraulic pump 9 and liquid case 11 are formed, sucker rod 4 links to each other with hydraulic piston 7, it is characterized in that: liquid case 11 is pressure resistant vessels, but on liquid case 11, be connected to the compressed air source 8 of gas pressure in the regulator solution case 11, power source 5 is an ac motor, input at motor is connected to adjustable inverter 10, pressure sensor 14 is arranged in oil well pump, temperature pick up 15 and piston position sensor 16, hydraulic pressure sensor 13 is arranged in the sap cavity of hydraulic cylinder 6, baroceptor 12 is arranged on liquid case 11, the programmable logic controller 3 that adjustable inverter 10 and compressed air source 8 are controlled is arranged, sensor 12,13,14,15 link to each other with the input of programmable logic controller 3 with 16.
Operating principle of the present invention is as follows: propose oil pumping during stroke when swabs 2 is in, hydraulic pump 9 is rotated in the forward, and the high pressure liquid of output enters hydraulic cylinder 6 cavity of resorptions, promotes hydraulic piston 7 and by sucker rod 4 and then drive on the swabs 2 and carry, finishing the oil pumping action.When reaching position, oil pumping stroke top, programmable logic controller 3 receives the signal of piston position sensor 16, controls the output of adjustable inverter 10, makes it anti-phase, makes 9 reverse rotations of power source 5 driven by motor hydraulic pumps.Under the conveying of hydraulic pump 9, the hydraulic fluid of hydraulic cylinder 6 cavity of resorptions is pressed into liquid case 11.At the bottom of swabs 2 drops to backhaul during the position, programmable logic controller 3 receives the signal of piston position sensor 16, it is anti-phase once more to control adjustable inverter 10 outputs, make the motor forward rotation of power source 5, thereby drive hydraulic pump 9 forward work, output high pressure liquid hydraulic fluid promotes hydraulic piston and rises, the execution circulation.
In the present invention, using adjustable inverter 10 to give as the ac motor of power source 5 powers.By the control of programmable logic controller 3, change the output frequency and the phase relation of adjustable inverter 10, the rotating speed and the direction of rotation of ac motor be can change, thereby the discharge capacity and the discharge opeing direction of hydraulic pump 9 changed.Like this, can regulate swabs 2 movement velocitys and operative orientation by programmable logic controller 3.In addition, programmable logic controller 3 is also controlled compressed air source 8.It makes liquid case 11 have certain pressure by the tonifying Qi of control compressed air source 8 pairs of liquid casees 11, can with swabs 2 grades when backhaul descends, because action of gravity and the pressure approximate equilibrium that produces at hydraulic cylinder 6 cavity of resorptions.Reclaim the potential energy of swabs 2 grades so on the one hand.Also make hydraulic pump 9 on the other hand when reverse operation, also be in positive (acting) duty, can conveniently control.In the liquid case 11 certain pressure is arranged, bulged-in hydraulic fluid has certain energy (energy of importing when comprising swabs 2 potential energies and hydraulic pump 9 reverse operations) when swabs 2 backhauls, after swabs 2 changes the oil pumping stroke over to, liquid case 11 provides a back pressure for hydraulic pump 9, the energy of being stored is offered hydraulic cylinder 6, reduced the live load of hydraulic pump 9.
Among the present invention, pressure sensor 14, temperature pick up 15 and piston position sensor 16 are housed in oil well pump, hydraulic pressure sensor 13 is housed in the sap cavity of hydraulic cylinder 6, baroceptor 12 is arranged on liquid case 11, they are as the input of programmable logic controller 3.Programmable logic controller 3 is measured the state of oil pumper operation by the sensor.As can record fuel-displaced situation of being taken out oil and the possible viscosity that can obtain oil through calculating with pressure sensor 14 and temperature pick up 15; Can record the resistance of motion of swabs 2 etc. by pressure sensor 13.Use programmable logic controller 3 that this tittle is handled, and with programmable logic controller in the optimum operation value set compare, make corresponding decision-making, thereby the speed of service of control swabs 2 makes it to be complementary with active force.In addition, programmable logic controller 3 utilizes the quilt that records to take out the oil data, and during 2 backhauls of control swabs, the reverse rotation speed of hydraulic pump 9 with this opening speed of controlling swabs 2, obtains best oil suction condition, avoids cavity to produce.By control to swabs 2 risings and opening speed, also controlled the period of motion of oil pumper, thereby controlled productivity ratio, satisfy the needs of production management, the important point is optimal movement (circulation) rule that each mouthful oil well all has its production feature of correspondence, to toughening oil exploitation this point particular importance, the present invention can accomplish this point according to this rule establishment control program, and adopt conventional method be do less than.
Among the present invention, the compressed air source 8 that is used for regulator solution case 11 gas pressures can be an air compressor that is subjected to programmable logic controller 3 its start and stop of control, as the common mini air compressor that is used for to various automobiles, bicycle tyre inflation.Under the control of programmable logic controller 3, timing feeding case 11 air feed are to replenish the air that leaks and to adjust its pressure.When oil well production, parameters such as oil viscosity, well pressure change little, and variation is very slow, and pressure need not often change, so air compressor needn't be worked at any time.Compressed air source 8 of the present invention also can be to have the logical gas cylinder of being controlled by programmable logic controller 3 that ends valve with one.When liquid case 11 needs tonifying Qi or pressure regulation, by the logical valve conducting certain hour that ends of programmable logic controller 3 controls, after reaching predetermined value, liquid case pressure closes, reach the pressure regulation purpose.Used gas cylinder regularly replaces after can using a period of time.
The present invention adopts programmable logic controller to compare through the various oil pumping parameter values and the optimum value that will measure, and the movement velocity of control break swabs makes it to satisfy the best displacement and the relation of power, reaches best operating efficiency.Because the oil pumping of swabs and recovery stroke all are controlled, can change the productivity ratio of oil well, satisfy the requirement of production management.
The present invention uses programmable logic controller to control, and the optimum operation Relation Parameters value that wherein is used to compare can be determined according to the actual conditions test of this oil well after the present invention is installed in the scene.Therefore the present invention can adapt to the oil well of various different situations (pressing as different oil viscosities, moisture content, well), and best operating efficiency is all arranged in each oil well.
The adjustable inverter 10 that the present invention uses can use as patent No. CN90202757 and the patent No. patent as CN90203323, also can use the G7 series inverter of Japanese fuji company, and the present invention does not have specific (special) requirements.Among the present invention, also can be changed to the combination as the motor of power source 5 and adjustable inverter 10 as the patent No. is CN89213615 " a kind of fully electric controlled high power executive device ", or the patent No. is CN89215098 " a kind of electric motor with random coaxial reversing ", or the patent No. is CN90202857 " a kind of high power AC difference frequency variable-speed motor ".Programmable logic controller 3 among the present invention can be the general industry process controller, it also can be industrial control computer, even can be and other control section or the total central control computer of other oil well, by standard industrial control, adopt and divide the method for time-division location that each sensor and controlling organization are measured and controlled.Position sensor 16 can use photosensitive or the magnetic sensitive non-contact switch, also can be displacement transducer such as Magnetic ruler etc.Can be installed in place, also can reflect the position of swabs 2 by the position of measuring them near sucker rod 4 or hydraulic piston 7.The present invention can increase sensor as environment temperature etc. at the input of programmable logic controller 3.Increase these survey data, can make the control strategy condition more accurate, control accuracy improves, and the work of oil pumper is optimized more.Can also increase the input that is adapted to field production management control in the importation of programmable logic controller 3,, realize the production management automation by the production of each oil well of field produces scheduling controlling.
Claims (1)
1, a kind of numerically controlled energy-saving oil extractor, it has by oil pumping cylinder body 1, the oil-well pump device that swabs 2 and sucker rod 4 are formed, with by power source 5, hydraulic cylinder 6, hydraulic piston 7, the power executing device that hydraulic pump 9 and liquid case 11 are formed, sucker rod 4 links to each other with hydraulic piston 7, it is characterized in that: liquid case 11 is pressure resistant vessels, but on liquid case 11, be connected to the compressed air source 8 of gas pressure in the regulator solution case 11, power source 5 is an ac motor, input at motor is connected to adjustable inverter 10, pressure sensor 14 is arranged in oil well pump, temperature pick up 15 and piston position sensor 16, hydraulic pressure sensor 13 is arranged in the sap cavity of hydraulic cylinder 6, baroceptor 12 is arranged on liquid case 11, the programmable logic controller 3 that adjustable inverter 10 and compressed air source 8 are controlled is arranged, sensor 12,13,14,15 link to each other with the input of programmable logic controller 3 with 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91226160 CN2101750U (en) | 1991-10-10 | 1991-10-10 | Digital controlled operating energy saving oil sucking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91226160 CN2101750U (en) | 1991-10-10 | 1991-10-10 | Digital controlled operating energy saving oil sucking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2101750U true CN2101750U (en) | 1992-04-15 |
Family
ID=4932304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91226160 Expired - Lifetime CN2101750U (en) | 1991-10-10 | 1991-10-10 | Digital controlled operating energy saving oil sucking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2101750U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011565A (en) * | 2010-09-01 | 2011-04-13 | 娄志怀 | Hydraulic straight stream oil extracting device |
| CN105649580A (en) * | 2016-03-21 | 2016-06-08 | 大庆渤基科技开发有限公司 | Dual-cylinder gas-drive air-balanced pumping unit |
-
1991
- 1991-10-10 CN CN 91226160 patent/CN2101750U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011565A (en) * | 2010-09-01 | 2011-04-13 | 娄志怀 | Hydraulic straight stream oil extracting device |
| CN105649580A (en) * | 2016-03-21 | 2016-06-08 | 大庆渤基科技开发有限公司 | Dual-cylinder gas-drive air-balanced pumping unit |
| CN105649580B (en) * | 2016-03-21 | 2018-07-17 | 大庆渤基科技开发有限公司 | A kind of twin-tub gas drive air balanced pumping unit |
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| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |