CN104653155A - Exploratory well electric pump formation test and production test liquid discharging device and system - Google Patents
Exploratory well electric pump formation test and production test liquid discharging device and system Download PDFInfo
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- CN104653155A CN104653155A CN201410759493.7A CN201410759493A CN104653155A CN 104653155 A CN104653155 A CN 104653155A CN 201410759493 A CN201410759493 A CN 201410759493A CN 104653155 A CN104653155 A CN 104653155A
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- 238000012360 testing method Methods 0.000 title claims abstract description 73
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 60
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 54
- 239000007788 liquid Substances 0.000 title claims abstract description 21
- 238000007599 discharging Methods 0.000 title abstract description 9
- 238000005086 pumping Methods 0.000 claims description 30
- 239000012530 fluid Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 8
- 230000009467 reduction Effects 0.000 claims description 8
- 230000001012 protector Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 19
- 238000010276 construction Methods 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 38
- 208000028659 discharge Diseases 0.000 description 32
- 230000000694 effects Effects 0.000 description 20
- 238000005516 engineering process Methods 0.000 description 16
- 230000008569 process Effects 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- 230000006378 damage Effects 0.000 description 6
- 239000004576 sand Substances 0.000 description 6
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 208000014674 injury Diseases 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 239000007924 injection Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000000153 supplemental effect Effects 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Classifications
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- 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
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- 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
- E21B43/02—Subsoil filtering
- E21B43/08—Screens or liners
- E21B43/086—Screens with preformed openings, e.g. slotted liners
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention provides an exploratory well electric pump formation test and production test liquid discharging device and system and belongs to the technical field of exploratory well formation test and production test liquid discharging. The device comprises a pump head, a centrifugal pump, a separator, a submersible motor, a tester and a slotting sieve pipe which are connected in sequence by an oil pipe from top to bottom, and further comprises a flow guide cover which covers the outer parts of the separator, the submersible motor, and the tester. By the aid of the exploratory well electric pump formation test and production test liquid discharging device and system, the technical requirements on rapid liquid discharging by exploratory well large-volume fracturing can be met; the device can work in the wild without a power supply and is convenient to move; construction procedures are simple and noises are smaller; meanwhile, the liquid discharging speed is improved and the formation test and production test period is shortened; the ground device is convenient to move and the whole technical construction work is simple and has no pollution and small well control risks; one set of device can finished a plurality of times of construction and the converted cost is low; by the aid of the exploratory well electric pump formation test and production test liquid discharging device and system, the economic benefits of an exploration region can be greatly improved.
Description
Technical field
The present invention relates to a kind of prospect pit electric pump formation testing pilot production pumping equipment and system, belong to exploration well oil test pilot production discharge opeing technical field.
Background technology
Exploration well oil test pilot production is a necessary links in oil-gas exploration and development process, analyzes character, the output of oil reservoir product fluid, and finally make an appraisal to whole exploratory area reserves situation by discharging some wellbore fluid.Discharge opeing governs formation testing efficiency, is also the procedure that in formation testing pilot production process, workload is maximum.Meanwhile, by this process of discharge opeing, accurate understanding can be had to reservoir, obtain more reliable formation testing conclusion.Therefore, high-quality discharge opeing not only can improve formation testing speed, shorten the formation testing cycle, and can obtain real reservoir data, and then obtains higher oil field prospecting region whole economic efficiency.
Along with the becoming increasingly complex of prospect pit hole condition in exploitation of oil-gas field process, exploration well oil test Producing Technology is also constantly developing.In recent years, the proportion shared in the field expanded of nonflowing well and non-self spray-up constantly increases, and their principal character is three low: i.e. hypotonic, low pressure, low hole.These features cause the increasing year by year of formation testing pilot production discharge opeing workload, for this kind of prospect pit, generally all will carry out pressing crack construction, rely on pressure break reservoir reconstruction to improve oil well productivity, the large-scale volume fracturing technology of particularly rising in recent years is applied more and more in prospect pit reservoir reconstruction.The prospect pit general economic input number of the large-scale volume fracturing of this enforcement is huge, in fracturing process, the fracturing fluid clamp-oning stratum is often gone up incomparably, rely on nature open flow discharge speed slower, the a large amount of formation breakdown liquid not in time row of returning not only postpones operation progress and also can cause certain injury to reservoir, proposes new requirement in the technology of formation testing pre-production phase to discharge opeing.
At present, existing technology in exploration well oil test discharge opeing mainly comprises: (1) bailing fluid-discharge therapy; The method that this method uses when being petroleum industry ground zero the earliest, complex process, current few use to the utmost.(2) pumping fluid-discharge technology; In current onshore oil field formation testing fluid-discharge method, this method is maximum a kind of pumping discharge opeing technology of application, but drain age velocity is extremely slow.(3) gas lift liquid drainage technique; This technique drain age velocity is very fast, but needs ground nitrogen making and injection equipment from annular air injection, and gas injection cost is higher, is not suitable for long period discharge opeing.(4) drainage with liquid nitrogen technology; Construction cost is high, and formation has certain injury effect: one is back pressure injury, and two is injury from low temperatures, and three is exciting injuries; Easily cause the pollution of environment simultaneously; (5) coiled tubing Flowing Back Tech by Nitrogen; Its principle is more similar with gaslift, but equipment is heavy, poor mobility, and be not suitable for outlying prospect pit, construction cost is high simultaneously.(6) surface drive single screw pump fluid-discharge technology technology; This technology operation is many, and early-stage preparations required time is long; Require higher to pump housing abrasion resistance; The discharge opeing cycle is long, and efficiency is low; Input cost is high; Fault rate is higher; Pump housing temperature tolerance is poor; (7) flowing back by hydraulic pump technology, this technology dynamics liquid and production fluid blending, make acquisition formation fluid primitive attribute more difficult.
Therefore, as can be seen from above-mentioned present situation, several prospect pit fluid-discharge technology technology conventional at present have certain limitation, cannot meet the needs of the formation testing pilot production of the prospect pit implementing large-scale volumetric pressure in recent years.
Summary of the invention
The present invention is the problem that cannot meet the formation testing pilot production needs of the prospect pit implementing large-scale volumetric pressure solving the existence of existing prospect pit discharge opeing technology, and then proposes a kind of prospect pit electric pump formation testing pilot production pumping equipment and system, specifically comprises following technical scheme:
A kind of prospect pit electric pump formation testing pilot production pumping equipment, the lower end of described device is arranged in the oil reservoir of electric pump well head bottom, described device comprises from top to bottom successively by pump head, centrifugal pump, eliminator, submersible electric machine with oil, tester and cutting seam sieve tube that oil pipe connects, and described device also comprises the kuppe of the outside being wrapped in eliminator, submersible electric machine with oil and tester.
Prospect pit electric pump formation testing pilot production pumping equipment of the present invention also comprises the ball-and-seat be arranged on above pump head, fluid backflow during to prevent termination of pumping in described oil pipe.
Prospect pit electric pump formation testing pilot production pumping equipment of the present invention also comprises the bleeder be arranged on above ball-and-seat, can by the release of fluid in described oil pipe in oil jacket annular space when carrying out pump detection and workover.
Prospect pit electric pump formation testing pilot production pumping equipment of the present invention also comprises the centralizer be fixedly connected with the lower end of cutting seam sieve tube, forms centralizing function to described device, avoids being hampered during operation and the wearing and tearing of described device.
Prospect pit electric pump formation testing pilot production pumping equipment of the present invention also comprises the protector be arranged between eliminator and submersible electric machine with oil, and for being described submersible electric machine with oil repairing, isolated well liquid simultaneously, avoids burning pump.
A kind of prospect pit electric pump formation testing pilot production drainage system, described system comprises prospect pit electric pump formation testing pilot production pumping equipment as above and ground control unit, described ground control unit comprises the generator, transformer, frequency-conversion control cabinet and the junction box that are connected successively by wire, and the signal output part of junction box is connected with the signal input part of submersible electric machine with oil with downhole cable by land cable.
Ground control unit of the present invention is arranged on and controls in room, controls room and comprises skid-mounted type base, to move or to be fixedly installed.
The side walls in control room of the present invention is respectively arranged with noise reduction air intake duct and noise reduction air-out groove.
Control room of the present invention is provided with flue and flue noise damper, the lower exhaust opening of flue is communicated with generator, and the upper exhaust opening of flue is in communication with the outside by the roof controlling room, and flue noise damper is arranged on the upper exhaust opening of flue.
Be provided with between the floor in control room of the present invention and generator and isolate basis.
In sum, the present invention is by electric pump unit as prospect pit down-hole discharge opeing lifting device, and the discharge capacity of electric pump discharge opeing, apparently higher than the prospect pit fluid-discharge method of routine, solves the problem that drain age velocity after the large-scale volume fracturing of prospect pit is slow; Simultaneously, the present invention also comprises kuppe device, changes the flow channel that liquid enters pump, and kuppe bottom connects screen casing, the effect of sand control can be played, for the well having scaling tendency, between kuppe and screen casing, metal scale-proof apparatus can also be increased, reach the object of antiscale, tester is enable conveniently to record underground working parameter, after formation testing pilot production has been constructed, downhole electric pump tubular column system can not trip out, directly as flow string; In addition, ground installation provided by the invention is a set of multi-functional control room, control room and be integrated with the functions such as generating, power transformation, control, by surface readout downhole testing data, accurate understanding can be had to reservoir, obtain more reliable formation testing conclusion, after formation testing pilot production has been constructed, control room and also can move to lower a bite construction prospect pit easily, fully meet the technical need of prospect pit discharge opeing.
Accompanying drawing explanation
The structural representation of the prospect pit electric pump formation testing pilot production pumping equipment that Fig. 1 provides for this detailed description of the invention;
The structural representation of the ground control unit that Fig. 2 provides for this detailed description of the invention;
The structural representation of the prospect pit electric pump formation testing pilot production drainage system that Fig. 3 provides for this detailed description of the invention.
Detailed description of the invention
This detailed description of the invention is clearly and completely described technical scheme of the present invention, and embodiment is wherein only a part of embodiment of the present invention, and is not whole embodiments.Based on the embodiment in the present invention, other embodiments all that those skilled in the art are not obtaining under the prerequisite of creative work all belong to protection scope of the present invention.
This detailed description of the invention provides a kind of prospect pit electric pump formation testing pilot production pumping equipment, as shown in Figure 1, the lower end of described device is arranged in the oil reservoir 29 of electric pump well head 14 bottom, described device comprises from top to bottom successively by pump head 18, centrifugal pump 19, eliminator 20, submersible electric machine with oil 22, tester 23 and cutting seam sieve tube 27 that oil pipe 24 connects, and described device also comprises the kuppe 26 of the outside being wrapped in eliminator 20, submersible electric machine with oil 22 and tester 23.
Concrete, pump head 18 is for connected pipes 24 and centrifugal pump 19, and the effect of centrifugal pump 19 raises downhole fluid pressure head and forms certain lift, by fluid lift to ground; The effect of eliminator 20 has been gas-liquid separations, gas is discharged to oil jacket annular space; The effect of submersible electric machine with oil 22 is mechanical energy by electric energy conversion, and band flow separator 20 and centrifugal pump 19 rotate; The effect of tester 23 is the parameters such as test downhole temperature, pressure, shockproofness, and supplemental characteristic is transferred to ground; The effect of cutting seam sieve tube 27 is sand controls and prevents down-hole foreign material from entering pump.The effect of kuppe 26 changes the passage that well liquid enters pump, in conventional electric pump lifting process, well liquid directly enters gs-oil separator, this detailed description of the invention adopts the tubular column structure of band kuppe 26, well liquid needs advanced person to cross cutting seam sieve tube 27, after the annular space that formed through kuppe 26 and electric pump unit enter eliminator 20, the good effect after kuppe 26 is used to be to take sand control to the well liquid entering pump, anti-scaling measures, sand production and fouling is avoided to damage electric pump, submersible electric machine with oil 22 external streams speed is accelerated simultaneously, accelerate the cooling to submersible electric machine with oil 22, reduce the possibility that motor burns out because temperature is too high.In addition, all connect by screw thread or flange method between all parts in described prospect pit electric pump formation testing pilot production pumping equipment.
In this detailed description of the invention one preferred embodiment, as shown in Figure 1, described device can also comprise the ball-and-seat 17 be arranged on above pump head 18, and the effect of ball-and-seat 17 is fluid backflows when preventing termination of pumping in oil pipe 24.
In this detailed description of the invention one preferred embodiment, as shown in Figure 1, described device can also comprise the bleeder 16 be arranged on above ball-and-seat 17, and the effect of bleeder 16 is can by the release of fluid in oil pipe 24 in oil jacket annular space when carrying out pump detection and workover, invariably surface pollution.
In this detailed description of the invention one preferred embodiment, as shown in Figure 1, described device can also comprise the centralizer 28 be fixedly connected with the lower end of cutting seam sieve tube 27, centralizer 28, for forming centralizing function to whole down-hole string, is avoided being hampered during operation and described prospect pit electric pump formation testing pilot production pumping equipment is worn.
In this detailed description of the invention one preferred embodiment; as shown in Figure 1, described device can also comprise the protector 21 on the oil pipe 24 that is arranged between eliminator 20 and submersible electric machine with oil 22, and the effect of protector 21 is submersible electric machine with oil 22 repairing; isolated well liquid simultaneously, avoids burning pump.
This detailed description of the invention additionally provides a kind of prospect pit electric pump formation testing pilot production drainage system, as shown in Figures 2 and 3, described system comprises prospect pit electric pump formation testing pilot production pumping equipment as described in any one embodiment above-mentioned and ground control unit, described ground control unit comprises the generator 5, transformer 10, frequency-conversion control cabinet 9 and the junction box 7 that are connected successively by wire 6, and the signal output part 7 of junction box is connected with the signal input part of downhole cable 25 with submersible electric machine with oil 22 by land cable 13.
Concrete, generator 5 can adopt diesel-driven generator, its effect is electric energy by the power conversion of burning diesel oil, the effect of transformer 10 is rated voltages that the voltage transformation exported by generator 5 works to down-hole submersible electric machine with oil 22, the effect of frequency-conversion control cabinet 9 is the frequencies changing electric current, the rotating speed of submersible electric machine with oil 22 is controlled by changing power frequency, the discharge capacity of final change centrifugal pump 19, simultaneously, frequency-conversion control cabinet 9 also has the effect of filtering, the waveform of the electric current exported by transformer 10 becomes the waveform that applicable down-hole submersible electric machine with oil 22 works, the impact of harmonic carcellation, thus make described ground control unit complete generating, power transformation, control several workflow.
In this detailed description of the invention one preferred embodiment, as shown in Figure 2, described ground control unit can be arranged on and control in room 1, controls room 1 and comprises skid-mounted type base 4, to move or to be fixedly installed, the effect of skid-mounted type base 4 is the weight in the Bearer Control room 1 when moving and place.When constructing, control room 1 and be placed on assigned address around well head by skid-mounted type base 4 entirety, transmit electricity in described prospect pit electric pump formation testing pilot production pumping equipment by land cable 13 and downhole cable 25, the test signal of down-hole is transferred to by downhole cable 25 and controls room 1 simultaneously, and can read in the instrument controlling the frequency-conversion control cabinet 9 in room 1.
In this detailed description of the invention one preferred embodiment, as shown in Figure 2, the side walls controlling room 1 is respectively arranged with noise reduction air intake duct 8 and noise reduction air-out groove 2.The effect of noise reduction air intake duct 8 and noise reduction air-out groove 2 is the intensity in order to reduce to be transmitted to from control inside, room 1 outside noise, can not form noise pollution when ensureing single unit system work to surrounding environment.
In this detailed description of the invention one preferred embodiment, as shown in Figure 2, control room 1 is provided with flue 11 and flue noise damper 12, the lower exhaust opening of flue 11 is communicated with generator 5, the upper exhaust opening of flue 2 is in communication with the outside by the roof controlling room 1, and flue noise damper 12 is arranged on the upper exhaust opening of flue 11.The smog that flue 11 produces for discharging generator 5, the noise that flue noise damper 12 produces for reducing generator 5.
In this detailed description of the invention one preferred embodiment, as shown in Figure 2, controlling to be provided with between the floor in room 1 and generator 5 isolate basic 3.Isolation basis 3 is used for placing generator 5, has damping and insulating effect.
The course of work of the prospect pit electric pump formation testing pilot production drainage system that this detailed description of the invention provides comprises: by described prospect pit electric pump formation testing pilot production pumping equipment by under working rig to down-hole, and described ground control unit to be connected with the submersible electric machine with oil 22 in described prospect pit electric pump formation testing pilot production pumping equipment with downhole cable 25 by land cable 13.Described prospect pit electric pump formation testing pilot production pumping equipment has the functions such as discharge opeing, test, sand control, and discharge capacity can meet the needs of the large-scale volume fracturing discharge opeing of prospect pit.Described ground control unit can adopt skid-mounted structure, for whole flow process provides power, has power transformation, controlling functions simultaneously.Described ground control unit to be placed into around well head assigned address on ground by artificial during use, electric energy is provided to drive the work of described prospect pit electric pump formation testing pilot production pumping equipment by described ground control unit, implement variable frequency control by the 9 pairs of submersible electric machine with oils 22 of the frequency-conversion control cabinet in ground control unit simultaneously, the duty parameter that downhole tester 23 records is sent to frequency-conversion control cabinet 9 by downhole cable 25 and land cable 13, reads downhole testing parameter from frequency-conversion control cabinet 9.
In sum, in sum, the present invention by electric pump unit as prospect pit down-hole discharge opeing lifting device, the discharge capacity of electric pump discharge opeing is apparently higher than the prospect pit fluid-discharge method of routine, conventional prospect pit fluid-discharge method actual displacement is all lower than 100 sides/sky, prospect pit electric pump formation testing pilot production drainage system discharge capacity provided by the invention can reach 300 sides/sky, solves the problem that drain age velocity after the large-scale volume fracturing of prospect pit is slow; Simultaneously, the present invention also comprises kuppe device, changes the flow channel that liquid enters pump, and kuppe bottom connects screen casing, the effect of sand control can be played, for the well having scaling tendency, between kuppe and screen casing, metal scale-proof apparatus can also be increased, reach the object of antiscale, tester is enable conveniently to record underground working parameter, after formation testing pilot production has been constructed, downhole electric pump tubular column system can not trip out, directly as flow string; In addition, ground installation provided by the invention is a set of multi-functional control room, control room and be integrated with the functions such as generating, power transformation, control, by surface readout downhole testing data, accurate understanding can be had to reservoir, obtain more reliable formation testing conclusion, after formation testing pilot production has been constructed, control room and also can move to lower a bite construction prospect pit easily, fully meet the technical need of prospect pit discharge opeing.
Certainly; the above embodiment of the present invention only proposes for ease of understanding; according to foregoing teachings; those skilled in the art can carry out changing or combining for a certain or multinomial feature wherein when reality is implemented completely as the case may be; therefore, any those skilled in the art, the displacement of equivalent assemblies done under the prerequisite not departing from the spirit and scope of the present invention; or the equivalent variations to do according to scope of patent protection of the present invention and modification, all still should belong to the category that this patent is contained.
Claims (10)
1. a prospect pit electric pump formation testing pilot production pumping equipment, the lower end of described device is arranged in the oil reservoir (29) of electric pump well head (14) bottom, it is characterized in that, described device comprises from top to bottom successively by pump head (18), centrifugal pump (19), eliminator (20), submersible electric machine with oil (22), tester (23) and cutting seam sieve tube (27) that oil pipe (24) connects, and described device also comprises the kuppe (26) of the outside being wrapped in eliminator (20), submersible electric machine with oil (22) and tester (23).
2. prospect pit electric pump formation testing pilot production pumping equipment as claimed in claim 1, it is characterized in that, described device also comprises the ball-and-seat (17) being arranged on pump head (18) top, fluid backflow during to prevent termination of pumping in described oil pipe (24).
3. prospect pit electric pump formation testing pilot production pumping equipment as claimed in claim 2, it is characterized in that, described device also comprises the bleeder (16) being arranged on ball-and-seat (17) top, can by the release of fluid in described oil pipe (24) in oil jacket annular space when carrying out pump detection and workover.
4. prospect pit electric pump formation testing pilot production pumping equipment as claimed in claim 1, it is characterized in that, described device also comprises the centralizer (28) be fixedly connected with the lower end of cutting seam sieve tube (27), centralizing function is formed to described device, avoids being hampered during operation and the wearing and tearing of described device.
5. prospect pit electric pump formation testing pilot production pumping equipment as claimed in claim 1; it is characterized in that; described device also comprises the protector (21) be arranged between eliminator (20) and submersible electric machine with oil (22); for being described submersible electric machine with oil (22) repairing; isolated well liquid simultaneously, avoids burning pump.
6. a prospect pit electric pump formation testing pilot production drainage system, it is characterized in that, described system comprises prospect pit electric pump formation testing pilot production pumping equipment as described in claim 1-5 any one and ground control unit, described ground control unit comprises the generator (5), transformer (10), frequency-conversion control cabinet (9) and the junction box (7) that are connected successively by wire (6), and the signal output part (7) of junction box is connected with the signal input part of downhole cable (25) with submersible electric machine with oil (22) by land cable (13).
7. prospect pit electric pump formation testing pilot production drainage system as claimed in claim 6, it is characterized in that, described ground control unit is arranged on and controls in room (1), controls room (1) and comprises skid-mounted type base (4), to move or to be fixedly installed.
8. prospect pit electric pump formation testing pilot production drainage system as claimed in claim 7, is characterized in that, the side walls controlling room (1) is respectively arranged with noise reduction air intake duct (8) and noise reduction air-out groove (2).
9. prospect pit electric pump formation testing pilot production drainage system as claimed in claim 7, it is characterized in that, control room (1) is provided with flue (11) and flue noise damper (12), the lower exhaust opening of flue (11) is communicated with generator (5), the upper exhaust opening of flue (2) is in communication with the outside by the roof controlling room (1), and flue noise damper (12) is arranged on the upper exhaust opening of flue (11).
10. prospect pit electric pump formation testing pilot production drainage system as claimed in claim 7, is characterized in that, is provided with and isolates basis (3) between the floor controlling room (1) and generator (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410759493.7A CN104653155A (en) | 2014-12-11 | 2014-12-11 | Exploratory well electric pump formation test and production test liquid discharging device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410759493.7A CN104653155A (en) | 2014-12-11 | 2014-12-11 | Exploratory well electric pump formation test and production test liquid discharging device and system |
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| CN104653155A true CN104653155A (en) | 2015-05-27 |
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| CN201410759493.7A Pending CN104653155A (en) | 2014-12-11 | 2014-12-11 | Exploratory well electric pump formation test and production test liquid discharging device and system |
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| CN (1) | CN104653155A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110984921A (en) * | 2019-12-26 | 2020-04-10 | 东北石油大学 | Artificial lifting device and artificial lifting method applied to low-yield well |
| CN111102209A (en) * | 2019-12-26 | 2020-05-05 | 东北石油大学 | Electric submersible pump backflow lifting device and backflow lifting method applied to low-yield well |
| CN112377155A (en) * | 2020-11-17 | 2021-02-19 | 中国石油天然气股份有限公司 | Liquid drainage and gas production integrated method after fracturing modification of low-pressure water-containing reservoir |
| CN112483048A (en) * | 2020-11-26 | 2021-03-12 | 东北石油大学 | Backflow liquid supplementing short circuit device for lifting oil well electric submersible pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110984921A (en) * | 2019-12-26 | 2020-04-10 | 东北石油大学 | Artificial lifting device and artificial lifting method applied to low-yield well |
| CN111102209A (en) * | 2019-12-26 | 2020-05-05 | 东北石油大学 | Electric submersible pump backflow lifting device and backflow lifting method applied to low-yield well |
| CN112377155A (en) * | 2020-11-17 | 2021-02-19 | 中国石油天然气股份有限公司 | Liquid drainage and gas production integrated method after fracturing modification of low-pressure water-containing reservoir |
| CN112483048A (en) * | 2020-11-26 | 2021-03-12 | 东北石油大学 | Backflow liquid supplementing short circuit device for lifting oil well electric submersible pump |
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