CN201607331U - Testing device for oil-gas separator of electric submersible pump - Google Patents

Testing device for oil-gas separator of electric submersible pump Download PDF

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Publication number
CN201607331U
CN201607331U CN2009202708137U CN200920270813U CN201607331U CN 201607331 U CN201607331 U CN 201607331U CN 2009202708137 U CN2009202708137 U CN 2009202708137U CN 200920270813 U CN200920270813 U CN 200920270813U CN 201607331 U CN201607331 U CN 201607331U
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China
Prior art keywords
gas
pipeline
separator
experimental prototype
separation vessel
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009202708137U
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Chinese (zh)
Inventor
李世辉
于洪英
赵大龙
赵永武
潘志远
刘恒
杨元建
邓辉
董振刚
朴雪峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daqing Oilfield Powerlift Pump Industry Taicang Co Ltd
Original Assignee
Daqing Oilfield Powerlift Pump Industry Taicang Co Ltd
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Application filed by Daqing Oilfield Powerlift Pump Industry Taicang Co Ltd filed Critical Daqing Oilfield Powerlift Pump Industry Taicang Co Ltd
Priority to CN2009202708137U priority Critical patent/CN201607331U/en
Application granted granted Critical
Publication of CN201607331U publication Critical patent/CN201607331U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a testing device for an oil-gas separator of an electric submersible pump. The testing device comprises a test medium circulating pipeline, a separator separation system and a gas and water separation system, wherein an upper connector outlet of a separator experimental prototype of the separator separation system is connected with the gas and water separation system while a lower connector inlet is connected with a common outlet of a gas inlet pipeline and a liquid inlet pipeline in the test medium circulating pipeline, and a thrust bearing is arranged at the bottom of the separator experimental prototype. Further, only the external structure of the separator experimental prototype is changed on the premise of keeping the internal structure of the original oil-gas separator constant, and consistence of performances of the separator experimental prototype and the original oil-gas separator is guaranteed during test for separation efficiency while the circulating pipeline is simplified and gas accumulation is avoided.

Description

Submersible electric pump oil-gas separator proving installation
Technical field:
The invention belongs to the device that the performance of submersible electric pump oil-gas separator is tested, concrete is the device that the separation efficiency of submersible electric pump oil-gas separator is tested.
Background technology:
For the measuring and calculating of oil-gas separator separation efficiency, mainly contain two methods, the one, select appropriate mathematic model for use, numerical simulation is carried out in the flow field in the oil-gas separator; Other method is set up submersible electric pump oil-gas separator proving installation exactly, and the hole condition of simulated oil gas separating device tests out the separation efficiency of oil-gas separator.Because the mathematical model more complicated of oil-gas separator biphase gas and liquid flow, so the oil-gas separator separation efficiency is carried out The results of numerical simulation and there is certain error in actual state.The method of testing that existing submersible electric pump oil-gas separator proving installation adopts is the duty of simulation submersible electric pump oil-gas separator, vertically be installed in the wellbore hole simulator, the bottom is injected gas-liquid mixture uniformly, oil-gas separator is arranged in wellbore hole simulator, by the sealing shroud in the middle of the wellbore hole simulator, gas after separating and gas-liquid mixture are isolated.The weak point of this proving installation is that wellbore hole simulator is vertical installation, the gas-liquid mixture that injects is under certain pressure reduction environment, and gas can overflow, and is full of the top of wellbore hole simulator, gassy in whole wellbore hole simulator when serious, oil-gas separator can't operate as normal.What this proving installation adopted simultaneously is the scheme of overall test, the vent port of separation vessel is directly to communicate with wellbore hole simulator, the gas after separating and the gas-liquid mixture at separator inlet place need be kept apart, to having relatively high expectations of sealing shroud, sealing shroud has leakage a little, then makes the test result of proving installation inaccurate.In test process, need the oil-gas separator seat in wellbore hole simulator, and there is the problem that inconvenience is installed in this mode.
The utility model content:
Technical problem to be solved in the utility model provides a kind of proving installation that pipeline is simplified, can be reduced the submersible electric pump oil-gas separator separation efficiency of gas packing phenomenon of testing.
For solving technical matters of the prior art, technical solution of the present utility model is that this submersible electric pump oil-gas separator proving installation comprises test medium circulation line, separation vessel piece-rate system, gas-water separation system, and wherein the test medium circulation line comprises air inlet pipeline, feed liquor pipeline, water return pipeline, water tank; The separation vessel piece-rate system is by motor, torque sensor, outlet connection, rapid-acting coupling, the separation vessel experimental prototype is installed in the support from top to bottom successively to be formed, and has an outlet to link to each other with water return pipeline by joint on the outlet connection, and the top connection outlet of separation vessel experimental prototype links to each other with the gas-water separation system by joint, the air inlet pipeline in lower sub inlet and the test medium circulation line and the conjoint outlet of feed liquor pipeline link to each other, and the bottom of separation vessel experimental prototype is provided with thrust bearing; The gas-water separation system comprises moisture trap and gas meter.
In order to adapt to different discharge capacity scopes, for any one phase flow body entrance pipe, two branch roads of decision design, wherein the inlet end of air inlet pipeline is provided with air compressor, be divided into two different branch roads of caliber afterwards, every branch road is provided with gas meter, tensimeter, valve, and two branch roads can be combined into a pipeline again, and meeting and end are provided with non-return valve; The import of feed liquor pipeline starts from water tank, is divided into two different branch roads of caliber afterwards, and every branch road is provided with flowmeter, tensimeter, valve, and two branch roads can be combined into a pipeline again, and meeting and end are provided with non-return valve.
Technique effect of the present utility model is: 1. the external structure of former oil-gas separator is improved, improved position is in upper and lower joint, inner structure is not then done change, the performance that has so just guaranteed the separation vessel experimental prototype is identical with original oil-gas separator, gas-liquid can directly enter, circulation line is simplified, and avoids gas to pile up; 2. the isolated gas of oil-gas separator is connected with the gas-water separation system through the top connection of separation vessel experimental prototype, after filtering out the liquid that contains in the gas, measures through test instrumentation again by intrasystem gas-liquid separator, thereby what improve precision of test result 3. the connection of each equipment room adopts is the sebific duct of two ends band rapid-acting coupling, connects simple, quick;
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of experimental prototype in the utility model;
Fig. 3 is the structural representation of former oil-gas separator;
Among the figure: test medium circulation line 1, separation vessel piece-rate system 2, gas-water separation system 3, air inlet pipeline 11, feed liquor pipeline 12, water return pipeline 13, water tank 14, compressor 111, flowmeter 112, tensimeter 113, valve 114, non-return valve 115, water pump 121, motor 21, torque sensor 22, outlet connection 23, plate wushu rapid-acting coupling 24, separation vessel experimental prototype 25, support 26, experimental prototype lower sub inlet 251, experimental prototype top connection outlet 252, experimental prototype bottom bearing 253.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is a submersible electric pump oil-gas separator proving installation structural representation of the present utility model, as shown in the figure, the proving installation of this submersible electric pump oil-gas separator separation efficiency comprises test medium circulation line 1, separation vessel piece-rate system 2, gas-water separation system 3, wherein test medium circulation line 1 comprises air inlet pipeline 11, feed liquor pipeline 12, water return pipeline 13, water tank 14, wherein the inlet end of air inlet pipeline 11 is provided with air compressor 111, be divided into two different branch roads of caliber afterwards, every branch road is provided with gas meter 112, tensimeter 113, valve 114, can be combined into a pipeline again, meeting and end are provided with non-return valve 115; The import of feed liquor pipeline 12 starts from water tank 14, if hydraulic pressure is not enough, sets up water pump 121 in the inflow point of feed liquor pipeline 12, be divided into two different branch roads of caliber afterwards, every branch road is provided with flowmeter, tensimeter, valve, can be combined into a pipeline again, and meeting and end are provided with non-return valve.For any one phase flow body entrance pipe, all design has two branch roads, thereby adapts to different discharge capacity scopes; Entrance pipe design has non-return valve, prevents in the test that liquid enters the gas access branch road or gas enters the liquid inlet branch road.Final air inlet pipeline 11 can lump together with feed liquor pipeline 12 and be connected with the lower sub inlet 251 of separation vessel experimental prototype 25.Water return pipeline 13 is provided with flowmeter, tensimeter, valve, and inlet end is connected with outlet connection 23, and endpiece is connected with water tank 14, and the most of water after the gas-liquid separation is drained in the water tank 14 by this water return pipeline 13.
Wherein separation vessel piece-rate system 2 is by motor 21, torque sensor 22, outlet connection 23, plate wushu rapid-acting coupling 24, separation vessel experimental prototype 25, support 26 is formed, and wherein motor 21, torque sensor 22, outlet connection 23, plate wushu rapid-acting coupling 24, separation vessel experimental prototype 25 are installed in the support 26 from top to bottom successively; In conjunction with shown in Figure 2, be respectively arranged with side direction entry and exit 252,251 in the last lower sub of described separation vessel experimental prototype 25, top connection outlet 252 links to each other with gas-water separation system 3 by joint 24, the air inlet pipeline 11 in lower sub inlet 251 and the test medium circulation line 1 and the conjoint outlet of feed liquor pipeline 12 link to each other, the bottom of experimental prototype is provided with thrust bearing 253, bears the axial force that process of the test produces.Fig. 2 is in conjunction with shown in Figure 3, separation vessel experimental prototype 25 is improvement of carrying out on the basis of former oil-gas separator, improved position is in upper and lower joint, inner structure is not then done change, the performance that has so just guaranteed experimental prototype is identical with original oil-gas separator performance, can not impact but its structure is more suitable for testing test result.Gas-liquid mixture is entered in the annular space that lower sub forms by inlet 251 during test, and through after the centrifugation of separation vessel, the gas of separating is flowed out by outlet 252, enters after the gas-water separation system by intrasystem gas meter measurement.Described gas-water separation system 3 comprises moisture trap and gas meter.
The process of using this proving installation to test is: gas enters the experiment pipeline by air inlet pipeline 11, liquid enters the experiment pipeline by feed liquor pipeline 12, both enter in the separation vessel experimental prototype at the inlet end 251 of separation vessel experimental prototype, centrifugation through the separation vessel experimental prototype, isolated gas enters through top connection outlet 252 and measures after gas-water separation system 3 handles, and remaining liquid is got back in the water tank by water return pipeline.Each branch road of this device is provided with corresponding fluid measurement instrument, measures to enter separation vessel preceding gas, amount of liquid, and through the isolated gas flow of separation vessel, can draw the separating power of this separation vessel, i.e. separation efficiency.

Claims (2)

1. a submersible electric pump oil-gas separator proving installation comprises test medium circulation line, separation vessel piece-rate system, gas-water separation system, and wherein the test medium circulation line comprises air inlet pipeline, feed liquor pipeline, water return pipeline, water tank; The gas-water separation system comprises moisture trap and gas meter; The separation vessel piece-rate system is by motor, torque sensor, outlet connection, rapid-acting coupling, the separation vessel experimental prototype is installed in the support from top to bottom successively to be formed, there is an outlet to link to each other with water return pipeline on the described outlet connection by joint, it is characterized in that: the top connection outlet of separation vessel experimental prototype links to each other with the gas-water separation system by joint, the air inlet pipeline in lower sub inlet and the test medium circulation line and the conjoint outlet of feed liquor pipeline link to each other, and the bottom of separation vessel experimental prototype is provided with thrust bearing.
2. according to the described submersible electric pump oil-gas separator of claim 1 proving installation, it is characterized in that: the inlet end of air inlet pipeline is provided with air compressor, be divided into two different branch roads of caliber afterwards, every branch road is provided with gas meter, tensimeter, valve, article two, branch road can be combined into a pipeline again, and meeting and end are provided with non-return valve; The import of feed liquor pipeline starts from water tank, is divided into two different branch roads of caliber afterwards, and every branch road is provided with flowmeter, tensimeter, valve, and two branch roads can be combined into a pipeline again, and meeting and end are provided with non-return valve.
CN2009202708137U 2009-11-30 2009-11-30 Testing device for oil-gas separator of electric submersible pump Expired - Fee Related CN201607331U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202708137U CN201607331U (en) 2009-11-30 2009-11-30 Testing device for oil-gas separator of electric submersible pump

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Application Number Priority Date Filing Date Title
CN2009202708137U CN201607331U (en) 2009-11-30 2009-11-30 Testing device for oil-gas separator of electric submersible pump

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CN201607331U true CN201607331U (en) 2010-10-13

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105547729A (en) * 2016-01-21 2016-05-04 辽宁石油化工大学 Device for detecting working performance of underground gas-liquid separation device
CN106644486A (en) * 2016-11-16 2017-05-10 中国北方发动机研究所(天津) Oil and gas separation performance test apparatus
CN107605733A (en) * 2017-09-22 2018-01-19 太仓市高泰机械有限公司 A kind of compressor pump oil measurement equipment

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105547729A (en) * 2016-01-21 2016-05-04 辽宁石油化工大学 Device for detecting working performance of underground gas-liquid separation device
CN106644486A (en) * 2016-11-16 2017-05-10 中国北方发动机研究所(天津) Oil and gas separation performance test apparatus
CN107605733A (en) * 2017-09-22 2018-01-19 太仓市高泰机械有限公司 A kind of compressor pump oil measurement equipment
CN107605733B (en) * 2017-09-22 2020-03-06 苏州三一冷暖工程有限公司 Compressor pump oil mass measuring equipment

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20101013

Termination date: 20171130

CF01 Termination of patent right due to non-payment of annual fee