CN203584379U - Exploratory well oil testing continuous draining device - Google Patents
Exploratory well oil testing continuous draining device Download PDFInfo
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- CN203584379U CN203584379U CN201320738027.1U CN201320738027U CN203584379U CN 203584379 U CN203584379 U CN 203584379U CN 201320738027 U CN201320738027 U CN 201320738027U CN 203584379 U CN203584379 U CN 203584379U
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Abstract
The utility model provides an exploratory well oil testing continuous draining device which is used for oil field exploratory well oil testing draining production. The device comprises a power device, wherein the power device comprises an electric system, the electric system comprises a motor, a speed reducer and a calf reel, and the motor, the speed reducer and the calf reel are connected in sequence. The electric system is connected with an energy storage system, and the energy storage system is composed of a hydraulic motor/pump energy storage system or a hydraulic cylinder energy storage device. Due to the fact that the energy storage system is arranged in the power device, motor load imbalance caused by the different load differences of the upper stroke and the lower stroke of a sucker rod is relieved, the motor load state is improved, the service life of the motor is prolonged, work efficiency of the motor is effectively improved, and installed power of the motor is reduced.
Description
Technical field
The utility model relates to the ground power unit that oil exploitation well mechanical oil recovery is used, and is continuous liquid-discharging device for exploration well testing for oil specifically, for oil field prospecting well formation testing discharge opeing, produces.
Background technology
Oil exploration is one of most important work in oil field, in order to determine the parameters such as production capacity of oil reservoir, after exploratory well completion, will carry out formation testing discharge opeing operation.Discharge opeing operation in the past has two kinds of modes, and the one, oil pumper to be installed and to be carried out discharge opeing, this method investment is larger; The 2nd, adopt implement, rely on manual operation tractor hoist to aspirate discharge opeing, this method hand labor intensity is large, and efficiency is low, and equipment parameters changes greatly.In order to address this problem, Chinese patent: patent No. ZL200720025542.X, at on 07 23rd, 2007 applying date, patent name " continuous liquid-discharging device for exploration well testing for oil " has been invented a kind of power set that can replace tractor hoist, the casing spool of these power set can carry out rotating conversion automatically, thereby drives plunger oil-well pump to carry out discharge opeing operation.In order to solve the up and descending loading imbalance problem of oil well pump system, these power set adopt resistance heating mode to consume the potential energy of the descending generation of sucker rod.This resistance heating mode exposes following problem in actual application, and during rod string up stroke extract, motor moves in motor working condition; During rod string down stroke, motor moves in generator operating mode.Make switched reluctance machines operation condition in badness on the one hand, electric current occurs and fight back phenomenon, cause electrical machine insulation and control components and parts and easily burn, shorten the application life of equipment, also increased device context maintenance workload.On the other hand, increased the installed power of motor and auxiliary generator.
Summary of the invention
For solving the problems of the technologies described above, the utility model provides continuous liquid-discharging device for exploration well testing for oil, by adopting the balance mode of energy-storage system, has improved the operation condition of device, has improved system effectiveness.
The technical solution of the utility model is: continuous liquid-discharging device for exploration well testing for oil, comprise power set, described power set comprise power driven system, and described power driven system comprises motor, reductor and the casing spool that order is connected, and described power driven system connects energy-storage system.
Described energy-storage system is hydraulic motor/pump energy-storage system, and hydraulic motor/pump energy-storage system comprises hydraulic motor/pump, accumulator and fuel tank, and described hydraulic motor/pump connects respectively accumulator and fuel tank by oil pipe.Described hydraulic motor/pump connects casing spool; Or described hydraulic motor/pump is connected between casing spool and reductor by three axle reduction boxes; Or described hydraulic motor/pump is connected between motor and reductor by three axle reduction boxes; Or described motor is a kind of Double shaft-extension motor, described hydraulic motor/pump is connected with motor.
Continuous liquid-discharging device for exploration well testing for oil can also be realized like this: described energy-storage system comprises accumulation of energy cylinder, belt and fluid cylinder energy storage equipment, accumulation of energy cylinder is connected with casing spool, belt one end is wrapped on accumulation of energy cylinder, and the other end is connected with the piston of fluid cylinder energy storage equipment.Described fluid cylinder energy storage equipment comprises that described fluid cylinder is a kind of single-acting fluid cylinder with oil pipe connected fluid cylinder, accumulator and fuel tank respectively, and accumulator is connected with the piston end of fluid cylinder by oil pipe, and the fluid cylinder cover end of fluid cylinder is communicated with oil pipe with fuel tank.Between described accumulation of energy cylinder and casing spool, can also be connected an accumulation of energy reductor, described accumulation of energy reductor can be a kind of rectangular axis reductor; Or described motor is a kind of Double shaft-extension motor, institute's accumulation of energy cylinder is connected with motor.Between described accumulation of energy cylinder and motor, can also be connected an accumulation of energy reductor, described accumulation of energy reductor can be a kind of rectangular axis reductor.Or three axle reduction boxes are arranged between any two devices of power driven system, described accumulation of energy cylinder is connected with three axle reduction boxes.
Between motor, reductor and casing spool, optional position connects a brake gear.
Compared with prior art, the beneficial effects of the utility model are, in power set, be provided with energy-storage system, potential energy when this system is descending sucker rod stores by accumulator, the energy that accumulator stores in the up process of sucker rod drives casing spool to promote sucker rod together with motor, so just slowed down the motor load that in the upper and lower stroke of sucker rod, different load difference causes uneven, improved motor load state, improved electrical machinery life, and effectively improve the operating efficiency of motor, reduce motor installed power.
Accompanying drawing explanation
Fig. 1 is that continuous liquid-discharging device for exploration well testing for oil forms schematic diagram.
Fig. 2 is that power set form schematic diagram.
Fig. 3 is the power set formation schematic diagram that hydraulic motor/pump energy-storage system is connected to power driven system one end.
Fig. 4 is that the power set that hydraulic motor/pump energy-storage system is connected between power driven system device form schematic diagram.
Fig. 5 is fluid cylinder energy storage equipment schematic diagram.
Fig. 6 adopts the power set of fluid cylinder energy storage equipment to form schematic diagram.
The specific embodiment
See that Fig. 1 continuous liquid-discharging device for exploration well testing for oil forms shown in schematic diagram, continuous liquid-discharging device for exploration well testing for oil comprises power set 1, restricts 2 greatly, derrick and pulley system 3 and hook 4 form, large rope 2 is wrapped on the casing spool of power set 1, power set 1 drag large rope 2 and move reciprocatingly, large rope 2 drives again hook 3 to pump, and hook 3 drives again sucker rod 5 operation of pumping.
See that Fig. 2 power set form shown in schematic diagram, power set comprise power driven system 20 and energy-storage system 25, wherein power driven system 20 is that in figure, the part in dotted line frame comprises motor 21, reductor 23 and casing spool 24, motor 21 connects reductor 23, similarly, reductor 23, casing spool 24 and energy-storage system 25 are connected successively.When motor 21 adopts Double shaft-extension motor, energy-storage system 25 also can be connected to motor 21 right-hand members.Each device in power driven system 20 and power driven system 20 connect with energy-storage system 25, its power transmission shaft all connects with shaft coupling, as motor 21 connects reductor 23, the no longer repeat specification of this connecting mode to power transmission shaft in following narration by shaft coupling 22.Explanation herein: " the Double shaft-extension motor " described in literary composition refers to that there is output shaft at the two ends of motor simultaneously, are called Double shaft-extension motor in present specification.
See that the power set that Fig. 3 hydraulic motor/pump energy-storage system is connected to power driven system one end form shown in schematic diagram, described energy-storage system 25 is a kind of hydraulic motor/pump energy-storage systems, hydraulic motor/pump energy-storage system comprises hydraulic motor/pump 39, accumulator 37 and fuel tank 36, and described hydraulic motor/pump 39 connects respectively accumulator 37 and fuel tank 36 by oil pipe 38.Described hydraulic motor/pump 39 connects casing spool 24; When motor 21 adopts Double shaft-extension motor, the hydraulic motor/pump 39 of described hydraulic motor/pump energy-storage system can also be connected with motor 21, namely the energy-storage system 25 in Fig. 3 is moved to the right from the left side of figure.Power driven system 20 in Fig. 3 comprises motor 21, reductor 23 and casing spool 24, and its connected mode is identical with the connected mode in Fig. 2.For safety and easy to operate, brake gear 31 is usually also installed in power driven system 20, brake gear 31 can be arranged between any two devices of power driven system 20, in all devices of Fig. 2 to Fig. 5, the mounting means of brake gear 31 and effect are identical, in narration below, just no longer repeat.
The operating principle that above-mentioned Fig. 3 hydraulic motor/pump energy-storage system is connected to the power set of power driven system one end is: motor 21 is a kind of switched reluctance machines, realizes positive and negative alternately rotation under the control signal of electric machine control system.Hydraulic motor/pump 39 is a kind of hydraulic machineries with motor and two kinds of functions of pump, and when its axle forward, it is in pump state, pumping after the low-pressure hydraulic oil pressurization sucking, when its axle reverses, it is in motor state, high pressure liquid force feed is driven its axle reversion, thereby drives other machinery.Motor 21 drives casing spool 24 by reductor 23, on casing spool 24, be wound with large rope, when motor 21 forward, casing spool 24 forwards promote sucker rod, simultaneously, the energy acting being stored in accumulator 37 drives hydraulic motor/pump 39 forwards, and hydraulic motor/pump 39 now, in motor state, drives in casing spool 24 forwards and carries sucker rod together with motor.When motor 21 reversion, sucker rod is transferred in casing spool 24 reversions, the potential energy of sucker rod drives casing spool 24 and hydraulic motor/pump 39 reversions together with motor 21, hydraulic motor/pump 39 is now in pump state, hydraulic oil in fuel tank 36 is pumped into accumulator 37, by accumulator 37, the potential energy in the descending process of sucker rod is stored.
See that Fig. 4 hydraulic motor/pump energy-storage system is connected to power set between power driven system device and forms shown in schematic diagram, the device shown in Fig. 4 is that the energy-storage system 25 in Fig. 3 is changed into and being arranged on power driven system 20 between two devices from being arranged on one end of power driven system 20.Particularly, described energy-storage system 25 is a kind of hydraulic motor/pump energy-storage systems, and hydraulic motor/pump energy-storage system comprises hydraulic motor/pump 39, accumulator 37 and fuel tank 36, and described hydraulic motor/pump 39 connects respectively accumulator 37 and fuel tank 36 by oil pipe 38.Described hydraulic motor/pump 39 is connected between motor 21 and reductor 23 by three axle reduction boxes 41; Or described hydraulic motor/pump 39 is connected between casing spool 24 and reductor 23 by three axle reduction boxes 41.The operating principle of Fig. 4 shown device is identical with the operating principle of Fig. 3 shown device.
See Fig. 5 fluid cylinder energy storage equipment schematic diagram, this is a kind of conventional energy storage equipment.Fluid cylinder energy storage equipment 60 comprises fluid cylinder 63, accumulator 37 and fuel tank 61, and described fluid cylinder 63 is a kind of single-acting fluid cylinders.Accumulator 37 is connected with the piston end 64 of fluid cylinder 63 by oil pipe 66, and the fluid cylinder cover end 62 of fluid cylinder 63 is communicated with fuel tank 61 use oil pipes 66.The operating principle of fluid cylinder energy storage equipment is: accumulator 37 tops are full of nitrogen, can certainly be other inert gas, in accumulator 37 bottoms and fluid cylinder, is full of hydraulic oil.When external force pulls piston 65 to left movement, the hydraulic oil in piston end 64 is pressed in accumulator 37, and the pressure in accumulator 37 raises, and external work is stored by accumulator 37.When piston 65 moves right, the gas expansion in accumulator 37, pressure decreased, promotes piston 65 and moves right, and the energy that accumulator 37 stores has discharged out again.When piston 65 is during to left movement, fluid cylinder cover end 62 is inhalant liquid force feeds from fuel tank 61; When piston 65 moves right, fluid cylinder cover end 62 is that efflux force feed is in fuel tank 61.
See that Fig. 6 adopts the power set of fluid cylinder energy storage equipment to form schematic diagram, power driven system 20 comprises motor 21, reductor 23 and casing spool 24, motor 21 connects reductor 23, similarly, reductor 23, casing spool 24 and energy-storage system 25 are connected successively, and brake gear 31 can be arranged between any two devices of power driven system 20.Described energy-storage system 25 comprises accumulation of energy cylinder 502, belt 503 and fluid cylinder energy storage equipment 60, and accumulation of energy cylinder 502 is connected with casing spool 24, and belt 503 one end are wrapped on accumulation of energy cylinder, and the other end is connected with the piston 65 of fluid cylinder energy storage equipment 60.For compactness is installed, between described accumulation of energy cylinder 502 and casing spool 24, can also be connected an accumulation of energy reductor 501, described accumulation of energy reductor 501 can be a power shaft and output shaft rectangular axis reductor in 90 °, and energy-storage system 25 also comprises accumulation of energy reductor 501 like this.The structure of fluid cylinder energy storage equipment 60 is with identical shown in Fig. 5.When motor 21 adopts Double shaft-extension motor, energy-storage system 25 also can be arranged on the right-hand member of motor 21; If use three axle reduction boxes, energy-storage system 25 can also be arranged between any two devices of power driven system 20.Belt 503 can be also wire rope.
Adopt the operating principle of the power set of fluid cylinder energy storage equipment to be: motor 21 is a kind of switched reluctance machines, under the control signal of electric machine control system, realize positive and negative alternately rotation.Motor 21 drives casing spool 24 by reductor 23, on casing spool 24, be wound with large rope, when motor 21 forward, casing spool 24 forwards promote sucker rod, simultaneously, the energy acting promotion piston 65 being stored in accumulator moves right, thereby piston 65 drags belt 503, drives accumulation of energy cylinders 502, accumulation of energy reductor 501 and casing spool 24 forwards, and the energy being stored in accumulator has just become the power that promotes sucker rod.When motor 21 turns, sucker rod is transferred in casing spool 24 reversions, the potential energy of sucker rod drives casing spool 24, accumulation of energy reductor 501 and 502 reversions of accumulation of energy cylinder together with motor 21, drag belt 503 and piston 65 to left movement, by accumulator, the potential energy in the descending process of sucker rod and motor 21 works are stored.
Claims (13)
1. continuous liquid-discharging device for exploration well testing for oil, comprise power set (1), described power set (1) comprise power driven system (20), described power driven system (20) comprises motor (21), reductor (23) and the casing spool (24) that order is connected, it is characterized in that, described power driven system (20) connects energy-storage system (25).
2. continuous liquid-discharging device for exploration well testing for oil according to claim 1, it is characterized in that, described energy-storage system (25) is hydraulic motor/pump energy-storage system, described hydraulic motor/pump energy-storage system comprises hydraulic motor/pump (39), accumulator (37) and fuel tank (36), described hydraulic motor/pump (39) connects respectively accumulator (37) and fuel tank (36) by oil pipe (38), and described hydraulic motor/pump (39) connects casing spool (24).
3. continuous liquid-discharging device for exploration well testing for oil according to claim 1, it is characterized in that, described energy-storage system (25) is hydraulic motor/pump energy-storage system, described hydraulic motor/pump energy-storage system comprises hydraulic motor/pump (39), accumulator (37) and fuel tank (36), and described hydraulic motor/pump (39) connects respectively accumulator (37) and fuel tank (36) by oil pipe (38); Described motor (21) is a kind of Double shaft-extension motor, and described hydraulic motor/pump (39) is connected with motor (21).
4. continuous liquid-discharging device for exploration well testing for oil according to claim 1, it is characterized in that, described energy-storage system (25) is hydraulic motor/pump energy-storage system, described hydraulic motor/pump energy-storage system comprises hydraulic motor/pump (39), accumulator (37) and fuel tank (36), described hydraulic motor/pump (39) connects respectively accumulator (37) and fuel tank (36) by oil pipe (38), and described hydraulic motor/pump (39) is connected between casing spool (24) and reductor (23) by three axle reduction boxes (41).
5. continuous liquid-discharging device for exploration well testing for oil according to claim 1, it is characterized in that, described energy-storage system (25) is hydraulic motor/pump energy-storage system, described hydraulic motor/pump energy-storage system comprises hydraulic motor/pump (39), accumulator (37) and fuel tank (36), described hydraulic motor/pump (39) connects respectively accumulator (37) and fuel tank (36) by oil pipe (38), and described hydraulic motor/pump (39) is connected between motor (21) and reductor (23) by three axle reduction boxes (41).
6. continuous liquid-discharging device for exploration well testing for oil according to claim 1, it is characterized in that, described energy-storage system (25) comprises accumulation of energy cylinder (502), belt (503) and fluid cylinder energy storage equipment (60), accumulation of energy cylinder (502) is connected with casing spool (24), it is upper that belt (503) one end is wrapped in accumulation of energy cylinder (502), and the other end is connected with the piston (65) of fluid cylinder energy storage equipment (60); Described fluid cylinder energy storage equipment (60) comprises with oil pipe (66) connected fluid cylinder (63), accumulator (37) and fuel tank (61) respectively, described fluid cylinder (63) is a kind of single-acting fluid cylinder, accumulator (37) is connected with the piston end (64) of fluid cylinder (63) by oil pipe (66), and the fluid cylinder cover end (62) of fluid cylinder (63) is communicated with oil pipe (66) with fuel tank (61).
7. continuous liquid-discharging device for exploration well testing for oil according to claim 1, is characterized in that, described motor (21) is a kind of double extension shaft motor; Described energy-storage system (25) comprises accumulation of energy cylinder (502), belt (503) and fluid cylinder energy storage equipment (60), accumulation of energy cylinder (502) is connected with motor (21), it is upper that belt (503) one end is wrapped in accumulation of energy cylinder (502), and the other end is connected with the piston (65) of fluid cylinder energy storage equipment (60); Described fluid cylinder energy storage equipment (60) comprises with oil pipe (66) connected fluid cylinder (63), accumulator (37) and fuel tank (61) respectively, described fluid cylinder (63) is a kind of single-acting fluid cylinder, accumulator (37) is connected with the piston end (64) of fluid cylinder (63) by oil pipe (66), and the fluid cylinder cover end (62) of fluid cylinder (63) is communicated with oil pipe (66) with fuel tank (61).
8. continuous liquid-discharging device for exploration well testing for oil according to claim 6, is characterized in that, between described accumulation of energy cylinder (502) and casing spool (24), is also connected an accumulation of energy reductor (501).
9. continuous liquid-discharging device for exploration well testing for oil according to claim 8, is characterized in that, described accumulation of energy reductor (501) is a kind of rectangular axis reductor.
10. continuous liquid-discharging device for exploration well testing for oil according to claim 7, is characterized in that, between described accumulation of energy cylinder (502) and motor (21), is also connected an accumulation of energy reductor (501).
11. continuous liquid-discharging device for exploration well testing for oil according to claim 10, is characterized in that, described accumulation of energy reductor (501) is a kind of rectangular axis reductor.
12. continuous liquid-discharging device for exploration well testing for oil according to claim 1, is characterized in that, three axle reduction boxes are arranged between any two devices of power driven system 20; Described energy-storage system (25) comprises accumulation of energy cylinder (502), belt (503) and fluid cylinder energy storage equipment (60), accumulation of energy cylinder (502) is connected with three axle reduction boxes, it is upper that belt (503) one end is wrapped in accumulation of energy cylinder (502), and the other end is connected with the piston (65) of fluid cylinder energy storage equipment (60); Described fluid cylinder energy storage equipment (60) comprises with oil pipe (66) connected fluid cylinder (63), accumulator (37) and fuel tank (61) respectively, described fluid cylinder (63) is a kind of single-acting fluid cylinder, accumulator (37) is connected with the piston end (64) of fluid cylinder (63) by oil pipe (66), and the fluid cylinder cover end (62) of fluid cylinder (63) is communicated with oil pipe (66) with fuel tank (61).
13. according to the continuous liquid-discharging device for exploration well testing for oil described in the arbitrary claim of claim 1～12, it is characterized in that, between motor (21), reductor (23) and casing spool (24), optional position connects a brake gear (31).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320738027.1U CN203584379U (en) | 2013-11-21 | 2013-11-21 | Exploratory well oil testing continuous draining device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320738027.1U CN203584379U (en) | 2013-11-21 | 2013-11-21 | Exploratory well oil testing continuous draining device |
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| CN203584379U true CN203584379U (en) | 2014-05-07 |
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| CN201320738027.1U Expired - Fee Related CN203584379U (en) | 2013-11-21 | 2013-11-21 | Exploratory well oil testing continuous draining device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643919A (en) * | 2013-11-21 | 2014-03-19 | 中国石油化工股份有限公司 | Continuous exploratory well oil testing and flowing device |
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- 2013-11-21 CN CN201320738027.1U patent/CN203584379U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103643919A (en) * | 2013-11-21 | 2014-03-19 | 中国石油化工股份有限公司 | Continuous exploratory well oil testing and flowing device |
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Granted publication date: 20140507 Termination date: 20191121 |
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| CF01 | Termination of patent right due to non-payment of annual fee |