CN204833891U - Beam -pumping unit oil recovery system experiment platform of imparting knowledge to students - Google Patents
Beam -pumping unit oil recovery system experiment platform of imparting knowledge to students Download PDFInfo
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- CN204833891U CN204833891U CN201520531646.2U CN201520531646U CN204833891U CN 204833891 U CN204833891 U CN 204833891U CN 201520531646 U CN201520531646 U CN 201520531646U CN 204833891 U CN204833891 U CN 204833891U
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Abstract
The utility model provides a beam -pumping unit oil recovery system experiment platform of imparting knowledge to students, including miniature belt formula beam -pumping unit, miniature pair of horse head beam -pumping unit, miniature beam -pumping unit, miniature oil production pipe, the shaft bottom assembly, show the merit appearance, the supplying bottle, the computer, the gas supply line, the oil -well pump, air compressor, beam -pumping unit mount table and laboratory bench, miniature belt, two horse heads, the beam -pumping unit syntropy is installed side by side on the beam -pumping unit mount table, miniature oil production pipe passes through the shaft bottom assembly and installs on the laboratory bench perpendicularly, the sucker rod is through the hair pigtail, the polished rod eye with show that merit appearance and beam -pumping unit horse head suspension point link to each other, the sucker rod links to each other with plunger in the pump barrel of oil production pipe lower part, the feed liquor pipe that feed pipe line and shaft bottom assembly are passed through in the export of supplying bottle links to each other, and the air compressor export is continuous with the intake pipe of shaft bottom assembly through gas transmission line and gas pressure control box, the computer with show that the merit appearance is associative, the triable the working property separately of three kinds of beam -pumping units improves the teaching level of the connection between theory and practice.
Description
Technical field
The utility model relates to oil development teaching field, specifically a kind of pumping production system experimentation teaching platform.
Background technology
What current oil pumper, sucker rod and oil well pump formed has bar oil production equipment still in the oil extraction of each elephant of China, to occupy critical role, is one of main oil extraction mode of China, still occupies an important position in the teaching of petroleum production engineering.In order to better serve classroom instruction, cultivate the high technical ability talents of the connection between theory and practice, except outside exhibition workshop practice, also must set up pumping production system laboratory, student is allowed to grasp basic theory and the know-why of pumping production technique, be familiar with engineering background, cultivate student's analyze and solve practical problems and the ability being engaged in the real works such as production management, grasp the thinking and countermeasure solving petroleum production engineering problem.
Summary of the invention
The purpose of this utility model is to provide a kind of pumping production system experimentation teaching platform, for student provides the structural principle learning object of oil pumper, oil well pump, indicator, carry out circulation well cleanup, test pump efficiency, utilize the operation trainings such as dynamometer card analysis underground working, pumping production efficiency and energy-saving analysis, the efficiency of comparison walking-beam pumping unit, double-horsehead pumping unit, wide belt type pumping unit three kinds of typical types and feature, strengthen the perceptual knowledge of student, cultivate the ability of student's solving practical problems.
The technical solution of the utility model is achieved in the following ways:
The utility model comprises micro belt formula oil pumper, miniature double-horsehead pumping unit, miniature beam-pumping unit, miniature flow string, shaft bottom assembly, indicator, supplying bottle, computing machine, gas supply line, oil well pump, gaseous tension control box, gas transmission line, air compressor, oil pumper erecting bed and experiment table, it is characterized in that: micro belt formula oil pumper, miniature double-horsehead pumping unit and miniature beam-pumping unit lead to and are arranged on oil pumper erecting bed side by side, miniature flow string is vertically mounted on experiment table by shaft bottom assembly, sucker rod is by hair plait, poliched rod eye is connected with pumping unit horsehead suspension point with indicator, sucker rod is connected with the plunger in flow string lower barrel, supplying bottle, computing machine, gaseous tension control box and air compressor are distributed on laboratory bench top, the outlet of supplying bottle is connected by the feed tube of feed flow pipeline with shaft bottom assembly, and air compressor outlet is connected with the draft tube of shaft bottom assembly with gas Stress control case by gas transmission line, computing machine and indicator are connected, test platform is set to movable type, in micro belt formula oil pumper, corresponding connection between miniature double-horsehead pumping unit and miniature beam-pumping unit, can test the respective serviceability of described three kinds of oil pumpers.
Described flow string comprises sucker rod, preventer, throttling valve, box cupling, sleeve gate, big four, sleeve pipe, oil pipe, travelling valve, plunger, standing valve, gas anchor, filter, shaft bottom assembly, feed tube and draft tube, preventer is connected with throttling valve, throttling valve is connected with big four by box cupling, sleeve gate is connected with the transverse holes of big four, sleeve pipe is connected with big four male thread by box cupling, oil pipe is connected with the internal thread of big four, oil pipe and pump barrel are set to one, the bottom of oil pipe is set to pump barrel, the lower end of pump barrel is provided with standing valve or is provided with the fixation of band gas anchor, the lower end of sleeve pipe is connected with shaft bottom assembly screw thread, filter is provided with in the exit of the draft tube of shaft bottom assembly, plunger is located in pump barrel, and is connected with sucker rod by sucker-rod coupling, and sucker rod is connected with pumping unit horsehead by poliched rod eye after exposing preventer.
Described shaft bottom assembly is set to cylindrical, is provided with circular groove in the middle part of top, and all sides of groove are provided with box thread, be provided with the air admission hole up and down with box thread, be provided with the inlet opening of lower bands box thread in the both sides of air admission hole in the middle part of groove-bottom.
Described indicator comprises pulling force sensor, spring, displacement transducer and computing machine, pulling force sensor is arranged on the top of polished rod hanger, displacement transducer is arranged on the bottom of polished rod hanger, spring fitting is between pulling force sensor and displacement transducer, pulling force sensor and displacement transducer correspondence are arranged in the center pit of polished rod hanger, and the signal wire of pulling force sensor and displacement transducer is connected with the corresponding interface of computing machine separately.
Described big four is set to cylindrical, and top is provided with undergauge section, and undergauge section is provided with male thread, periphery, middle part is inwardly provided with the blind hole of symmetrical band box thread, lower, outer perimeter is provided with male thread, and bottom inner circumferential is provided with box thread, lower surface mutually on be provided with the circular hole be communicated with described blind hole.
The utility model has the following advantages:
1. demonstrate the principle of work of oil pumper and oil well pump, simulation oil recovery field working conditions.Student's binding isotherm carries out in indoor observing and operating, as being in the action, and the ability of the theory and practice combination of training student.
2. student is in conjunction with indicator diagram measurement raising to the understanding of load-position diagram and analysis ability, solves flow string Problems existing.
3. to three kinds of working conditions of oil extractor contrast tests, respective serviceability can be grasped.
4. can test various pumping efficiency of oil pump, the oil well pump that preferred properties is good.
5. can carry out washing method, observe well washing effect.
Accompanying drawing explanation
Fig. 1-scheme of installation of the present utility model.
The structural representation of Fig. 2-flow string.
Fig. 3-flow string bottom adds the structural representation of gas anchor 26.
Fig. 4-indicator structural representation.
1-micro belt formula oil pumper in figure, the miniature double-horsehead pumping unit of 2-, the miniature beam-pumping unit of 3-, 4-indicator, 5-supplying bottle, 6-computing machine, 7-feed flow pipeline, 8-oil well pump, 9-gaseous tension control box, 10-gas transmission line, 11-air compressor, 12-experiment table, 13-sucker rod, 14-preventer, 15-produces gate, 16-throttling valve, 17-box cupling, 18-sleeve gate, 19-big four, 20-sleeve pipe, 21-oil pipe, 22-travelling valve, 23-plunger, 24-standing valve, 25-filter, 26-gas anchor, 27-shaft bottom assembly, 28-feed tube, 29-draft tube, 30-pulling force sensor, 31-spring, 32-displacement transducer.
Embodiment
The utility model comprises micro belt formula oil pumper 1, miniature double-horsehead pumping unit 2, miniature beam-pumping unit 3, miniature flow string, shaft bottom assembly 27, indicator 4, supplying bottle 5, computing machine 6, gas supply line 7, oil well pump 8, gaseous tension control box 9, gas transmission line 10, air compressor 11, oil pumper erecting bed 12 and experiment table, it is characterized in that: micro belt formula oil pumper, miniature double-horsehead pumping unit and miniature beam-pumping unit lead to and are arranged on oil pumper erecting bed side by side, miniature flow string is vertically mounted on experiment table by shaft bottom assembly, sucker rod is by hair plait, poliched rod eye is connected with pumping unit horsehead suspension point with indicator, sucker rod is connected with the plunger in flow string lower barrel, supplying bottle, computing machine, gaseous tension control box and air compressor are distributed on laboratory bench top, the outlet of supplying bottle is connected by the feed tube of feed flow pipeline with shaft bottom assembly, and air compressor outlet is connected with the draft tube of shaft bottom assembly with gas Stress control case by gas transmission line, computing machine and indicator are connected, test platform is set to movable type, in micro belt formula oil pumper, corresponding connection between miniature double-horsehead pumping unit and miniature beam-pumping unit, can test the respective serviceability of described three kinds of oil pumpers.
The each several part of pumping production system experimentation teaching platform is all with on-the-spot in kind for a foundation, and bi-directional scaling designs, and truly presents the technological principle of pumping production system.Oil pumper is the main mechanical of pumping production system, is the ground power unit of downhole pump.Native system selects three kinds of typical oil pumpers: miniature walking-beam pumping unit 1, miniature double-horsehead pumping unit 2, micro belt formula oil pumper 3, and these three kinds of oil pumpers differ from one another, and represents the course of pumping production development.By the oil pumper of three different types to the oil recovery Experimental comparison of same set of oil well pump 8, allow student analyze respective excellent, shortcoming, cultivate the ability that student analyzes problems and solves them.Oil well pump 8 is lifting equipments of pumping production system, be provided with two pump barrels, common tubing sucker-rod pump only installed by the pump barrel in Fig. 2, or pump barrel lower end is provided with simple and easy gas anchor, being used for analytical gas divides principle and the effect of gas on the impact of pump efficiency and gas anchor, observe the change of load-position diagram with gas production rate.Air supply system comprises air compressor 11, gaseous tension control box 9, gas transmission line 10 etc., demonstrates oil and gas multiphase flow and the influence of gas to pump efficiency and oil pumping machine polished rod load provides source of the gas for oil well pump 8.Liquid-supplying system comprises supplying bottle 5, feed flow pipeline 7, shaft bottom assembly, is the oil circulation passage of pumping production experimental system, its fluid reusable edible.Indicator 4 is the instruments measuring oil pumping machine polished rod load, mainly comprise pulling force sensor 30, displacement transducer 31, spring 31 and data processing software etc., wherein spring 31 can simulate the length variations of sucker rod under load effect and the pump efficiency loss caused thus, data processing software can process the data carrying out sensor and also show on a display screen on computing machine 6, also can print load-position diagram as requested.Record the situation of change of oil pumping machine polished rod load with displacement with indicator, and judge the working condition of downhole pump.Experimental comparison is carried out to the oil-production efficiency of same set of oil well pump 8, analyzes its respective excellent, shortcoming, cultivate the ability of student's analysis and solve problem.Oil well pump 8 is lifting equipments of pumping production system, is provided with two pump barrels, and pump barrel is transparent organic glass pump material, and plunger and sucker rod are stainless steel.Being used for analytical gas divides principle and the effect of gas on the impact of pump efficiency and gas anchor, observe the change of load-position diagram with gas production rate.In specific experiment, sleeve pipe 20 connects well head set-up big four 19, lower even shaft bottom assembly 27, shaft bottom assembly 27 is provided with a draft tube 29 and two feed tubes 28, is embodied as pit shaft 8 air feed and circulation fluid.Filter 25 is connected with draft tube 29, prevents large particulate matter to be blown into sleeve pipe 20, impact sealing.Oil pipe 21 at well head set-up big four 19 hangs inside, the bottom of oil pipe 21 is provided with standing valve 24 and plunger 23, and plunger 23 upper end connects travelling valve 22.Plunger 23 and travelling valve 22 carry out upper and lower to-and-fro movement in the bottom of oil pipe 21 under the drive of sucker rod 13, carry out pumping discharge opeing.Due to pit shaft length limited, oil pipe 21 and ram pump are designed to one herein, compact conformation, and are beneficial to the leakage of reduction pump.Oil well pump 8 is portable structure, can arbitrarily movement between three oil pumpers, to compare the pumping effect of each oil pumper and corresponding oil well pump 8.Air supply system comprises air compressor 11, gaseous tension control box 9, gas transmission line 10 etc., for oil well pump demonstration oil and gas multiphase flow and the influence of gas to pump efficiency and oil pumping machine polished rod load provide source of the gas.Air compressor is mute type, and after starting, sound is little, does not affect and normally attends class.Be connected to tensimeter, suspended body flowmeter, air volume regulating valve at the internal sequence of gaseous tension control box 9, manometric one end is connected with air compressor 11, and air volume regulating valve is connected in draft tube 29 by gas piping 10.Tensimeter is for showing the output pressure of compressor, and its range is 1.6MPa.Suspended body flowmeter and tolerance valve combinationally use, for regulating and showing the gas flow entering pit shaft.Liquid-supplying system is made up of supplying bottle 5, well head set-up and feed flow pipeline 7 etc., is the oil circulation passage of pumping production experimental system.Supplying bottle 5 is connected with the feed tube 28 on pit shaft by feed pipe 7, forms linker with sleeve pipe 20.Allow the maximum upstroke height of a little higher than oil pump plunger piston of the liquid level of supplying bottle 5 23 during use, make oil well pump have certain liquid level working submergence, the pump efficiency of ventilation test thereafter.Assemble again to supplying bottle 5 after the liquid of oil pumper extraction is discharged by the throttling valve 16 of well head set-up, realize liquid-circulating and utilize.Indicator 4 is the instruments measuring oil pumping machine polished rod load, can record the situation of change of oil pumping machine polished rod load with displacement, judge the working condition of downhole pump 8 with this.Mainly comprise pulling force sensor 30, displacement transducer 32, spring 31 and data processing software etc., wherein spring 31 can simulate the length variations of sucker rod under load effect and the pump efficiency loss caused thus, data processing software can process the data carrying out sensor and also show on a display screen on computing machine 6, also can store as requested and print load-position diagram.Experiment table 12 is a wooden estrade, same high with the well head of oil well pump 8, for bearing the weight of three kinds of oil pumpers.
The principle of work and power of pumping production system experimentation teaching platform is as follows:
The principle of work of demonstration oil pumper and oil well pump, simulation oil recovery field working conditions.Start motor, oil pumping system is got into smooth, observe the course of action of each mechanism of oil pumper, power transmission line, analyze the principle of work of the four-bar mechanism of walking-beam pumping unit, the variable element four-bar mechanism of double-horsehead pumping unit, the sprocket wheel link chain mechanism of wide belt feeder and reverse mechanism, overturn the effect of horse head when horse head and well workover and align the method for adjustment of well head, deepening the understanding to knowwhy.Then, artificial certain distance that the well head of oil well pump 8 and pumping unit horsehead are staggered, or deflection certain angle, it is made to form side-abrasion of rod string, observe the working condition of oil pumper and oil well pump, make student be familiar with the origin cause of formation, the therefore harm brought and the solution of side-abrasion of rod string, making student progressively on-the-spot close to recovering the oil, cultivating the ability of its analysis and solve problem.Allow student become the active person of study, transfer the enthusiasm of classmates, cultivate the enjoyment of autonomous learning and the method for observation problem.
Dynamometer card analysis is tested: during experiment, be connected on computing machine 6 by indicator 4 by data line, is directly read and shows merit data, observe the situation of change of oil pumping machine polished rod load with displacement, analyze the working condition of oil well pump 8 by computing machine 6.Then, in sleeve pipe 20, pass into the gas of certain pressure and certain flow, observe the situation of change of load-position diagram with tolerance, understand the not enough impact on load-position diagram of oil well liquid-supplying.By changing spring 31, read the stroke that load-position diagram shows, the change of point factorial sucker rod length and the stroke loss that causes.
Pumping efficiency of oil pump is tested: during pumping experiment, gas enters in oil well pump 8, pump efficiency reduces due to the impact of gas, increasing gas anchor device can be separated in annular space by portion gas, pump efficiency is improved, by measuring point gas effect (the relative reduction of pump efficiency) having gas anchor and gas anchor can be calculated without discharge capacity during gas anchor: pump efficiency during relative reduction=(when not ventilating the pump efficiency-ventilation pump efficiency afterwards) of pump efficiency/do not ventilate.
Clean-out service operation training: during well-flushing, by well-flushing cylinder must stop oil pumping, now two oil well pumps can optionally one as well-flushing object, pressure control valve, be connected to by another oil well pump on oil pumper and carry out pumping discharge opeing, its exudate is injected by well-flushing pit shaft, realizes clean-out service.Clean-out service comprises direct flushing and reacting cycle well-flushing.During direct flushing, after plunger 23 must be tripped out, the throttling valve 16 of two pump barrels is connected.Open tubing valve 15 and main valve 17.Flushing fluid just by throttling valve 16, tubing valve 15, main valve 17, big four 19, enters tubing string 21, returns out ground by oil jacket annular space through casing valve 18.During reacting cycle well-flushing, the misfortune throttling valve 16 of the oil well pump connecting oil pumper is connected with by the casing valve 18 of well-flushing cylinder.Open casing valve 18, flushing fluid enters oil jacket annular space through big four 19, returns out ground by sleeve pipe 20 bottom space by oil pipe 21.During experiment, allow student by above-mentioned two kinds of methods, respectively oil well pump is cleaned, observe cleaning performance, and analyze reason, allow student understand the applicable working condition of two kinds of pumping and washing process, temper the ability of its solving practical problems.
Each oil pumper feature and analysis on energy saving effect: the various oil pumper in native system is all furnished with RHVC, by changing line frequency, change the rotating speed of motor and adjusting stroke frequency.And the counterweight variable of each oil pumper, stroke is adjustable.During experiment, change the jig frequency of oil pumper and stroke and counterweight thereof as required, read the actual electric power of motor by power meter, and measure liquid measure, the ratio of observation liquid outlet quantity and power input changes, and seeks best point of penetration.Then change oil pumper, repeat experiment, analyze the feature of each oil pumper.Energy-conservation is not that simple power input reduces to allow student recognize, but accompanies by the relation of liquid outlet quantity and power input, cultivates student practical, the consciousness of energy efficiency.
This pumping production system experimentation teaching platform makes workshop practice indoorization, overcome petroleum production engineering classroom instruction abstract, workshop practice is dangerous, Principle of Process explanation is unintelligible, practise costly, the time is long, to be seen as master, only to see shortcomings such as not practicing, move oil recovery scene to laboratory, theory teaching and practical operation are connected, make student visible, tangible, enhance the perceptual knowledge of student to greatest extent, the open visual field, deepen the understanding of student to pumping production system process, cultivated it and start, beat one's brains and the ability of autonomous innovation.Greatly reduce practice cost, reach the effect of getting twice the result with half the effort.
Claims (5)
1. a pumping production system experimentation teaching platform, comprise micro belt formula oil pumper, miniature double-horsehead pumping unit, miniature beam-pumping unit, miniature flow string, shaft bottom assembly, indicator, supplying bottle, computing machine, gas supply line, oil well pump, gaseous tension control box, gas transmission line, air compressor, oil pumper erecting bed and experiment table, it is characterized in that: micro belt formula oil pumper, miniature double-horsehead pumping unit and miniature beam-pumping unit lead to and are arranged on oil pumper erecting bed side by side, miniature flow string is vertically mounted on experiment table by shaft bottom assembly, sucker rod is by hair plait, poliched rod eye is connected with pumping unit horsehead suspension point with indicator, sucker rod is connected with the plunger in flow string lower barrel, supplying bottle, computing machine, gaseous tension control box and air compressor are distributed on laboratory bench top, the outlet of supplying bottle is connected by the feed tube of feed flow pipeline with shaft bottom assembly, and air compressor outlet is connected with the draft tube of shaft bottom assembly with gas Stress control case by gas transmission line, computing machine and indicator are connected, test platform is set to movable type, in micro belt formula oil pumper, corresponding connection between miniature double-horsehead pumping unit and miniature beam-pumping unit, can test the respective serviceability of described three kinds of oil pumpers.
2. pumping production system experimentation teaching platform according to claim 1, it is characterized in that: described flow string comprises sucker rod, preventer, throttling valve, box cupling, sleeve gate, big four, sleeve pipe, oil pipe, travelling valve, plunger, standing valve, gas anchor, filter, shaft bottom assembly, feed tube and draft tube, preventer is connected with throttling valve, throttling valve is connected with big four by box cupling, sleeve gate is connected with the transverse holes of big four, sleeve pipe is connected with big four male thread by box cupling, oil pipe is connected with the internal thread of big four, oil pipe and pump barrel are set to one, the bottom of oil pipe is set to pump barrel, the lower end of pump barrel is provided with standing valve or is provided with the fixation of band gas anchor, the lower end of sleeve pipe is connected with shaft bottom assembly screw thread, filter is provided with in the exit of the draft tube of shaft bottom assembly, plunger is located in pump barrel, and is connected with sucker rod by sucker-rod coupling, and sucker rod is connected with pumping unit horsehead by poliched rod eye after exposing preventer.
3. pumping production system experimentation teaching platform according to claim 1, it is characterized in that: described shaft bottom assembly is set to cylindrical, circular groove is provided with in the middle part of top, the all sides of groove are provided with box thread, be provided with the air admission hole up and down with box thread in the middle part of groove-bottom, be provided with the inlet opening of lower bands box thread in the both sides of air admission hole.
4. pumping production system experimentation teaching platform according to claim 1, it is characterized in that: described indicator comprises pulling force sensor, spring, displacement transducer and computing machine, pulling force sensor is arranged on the top of polished rod hanger, displacement transducer is arranged on the bottom of polished rod hanger, spring fitting is between pulling force sensor and displacement transducer, pulling force sensor and displacement transducer correspondence are arranged in the center pit of polished rod hanger, and the signal wire of pulling force sensor and displacement transducer is connected with the corresponding interface of computing machine separately.
5. pumping production system experimentation teaching platform according to claim 2, it is characterized in that: described big four is set to cylindrical, top is provided with undergauge section, undergauge section is provided with male thread, periphery, middle part is inwardly provided with the blind hole of symmetrical band box thread, lower, outer perimeter is provided with male thread, and bottom inner circumferential is provided with box thread, lower surface mutually on be provided with the circular hole be communicated with described blind hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520531646.2U CN204833891U (en) | 2015-07-22 | 2015-07-22 | Beam -pumping unit oil recovery system experiment platform of imparting knowledge to students |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520531646.2U CN204833891U (en) | 2015-07-22 | 2015-07-22 | Beam -pumping unit oil recovery system experiment platform of imparting knowledge to students |
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| CN204833891U true CN204833891U (en) | 2015-12-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437678A (en) * | 2016-11-28 | 2017-02-22 | 重庆科技学院 | Device which integrates self-circulation fluid supply and measure for oil recovery simulation experiment |
| CN110242283A (en) * | 2019-07-08 | 2019-09-17 | 中国石油大学(北京) | A kind of oil well pump dynamic dropout detection simulator and method |
-
2015
- 2015-07-22 CN CN201520531646.2U patent/CN204833891U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437678A (en) * | 2016-11-28 | 2017-02-22 | 重庆科技学院 | Device which integrates self-circulation fluid supply and measure for oil recovery simulation experiment |
| CN110242283A (en) * | 2019-07-08 | 2019-09-17 | 中国石油大学(北京) | A kind of oil well pump dynamic dropout detection simulator and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20200722 |