CN103244102B - Froth breaking formula rotor flow pressure reduction air injection section tester instrument, test macro and method of testing - Google Patents
Froth breaking formula rotor flow pressure reduction air injection section tester instrument, test macro and method of testing Download PDFInfo
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- CN103244102B CN103244102B CN201310169570.9A CN201310169570A CN103244102B CN 103244102 B CN103244102 B CN 103244102B CN 201310169570 A CN201310169570 A CN 201310169570A CN 103244102 B CN103244102 B CN 103244102B
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Abstract
The present invention relates to a kind of oil-field thick-oil well steam injection, air injection replaces in production practice, surveys tester-froth breaking formula rotor flow pressure reduction air injection section tester instrument, test macro and the method for testing of air Injection section. Described tester comprises rotor flowmeter assembly (1), protecting sheathing (2), core section, defoamer carrier assembly (6), Differential Pressure Unit assembly (7) and sensor unit (8). Beneficial effect of the present invention is that precision is high, the adjustable degree of depth, and can be applied to air injection, exploitation via steam injection new technology, has solved the test problem of air injection well.
Description
Technical field
The present invention relates to a kind of oil-field thick-oil well steam injection, air injection replaces in production practice, surveys air Injection sectionTester one froth breaking formula rotor flow pressure reduction air injection section tester instrument, test macro and method of testing.
Background technology
In recent years, steam injection, air injection mining novel technology, on heavy oil development, have been applied in Liaohe Oil Field, thereby propose to needSolve the test problem of air injection well. Air injection well, downhole flow is low, pressure reduction is little, have foam, has dead oil, routine in pit shaftTurbine flowmeter inapplicable. In order to solve the practical problem existing in production, develop one and can eliminate foam againThe froth breaking formula rotor flow pressure reduction air injection section tester instrument of the stuck flat rotary wing wheel of the anti-dead oil of energy, and design simulation verification dressPut, tester has been carried out to ground verification, the section that is applicable to steamed well, air injection well, mixed phase Injection Well various modes is surveyedExamination, has broad application prospects.
Summary of the invention
The object of the invention is to solve the down-hole gas entry profile test problem of air injection well, to overcome traditional test technologyDeficiency.
Froth breaking formula rotor flow pressure reduction air injection section tester instrument of the present invention, test macro and method of testing, its technologyScheme is as follows:
A kind of froth breaking formula rotor flow pressure reduction air injection section tester instrument, comprises rotor flowmeter assembly (1), protecting sheathing(2), core section, defoamer carrier assembly (6), Differential Pressure Unit assembly (7) and sensor unit (8), signal processor(3), electric power system (4) and magnetic locator (5) connect to form core section successively, core section embed protecting sheathing (2) inPortion, sensor unit is placed with multiple sensors in (8), and multiple sensors are connected one by one with output signal line, output signal lineSignalling channel through sensor unit (8) is connected into signal processor (3), the port of protecting sheathing (2) and sensor unit (8)Signalling channel connect, with copper ring sealing, the other end of sensor unit (8) connects rotor flowmeter assembly (1), outside protectionShell (2) bottom with one end of defoamer carrier assembly (6) for being threaded, defoamer carrier assembly (6) other end and pressurePoor assembly of devices (7) is for being threaded.
Rotor flowmeter assembly (1) is by rope socket mouth (1-1), starting taper head, rotor flowmeter water conservancy diversion entrance (1-2), rotary wing wheelProtecting sheathing (1-3), rotary wing wheel upper bracket (1-4), rotary wing wheel (1-5), sweet reed pipe flow switch (1-6), rotor flowmeter are ledFlow export (1-7), axle (1-8), magnet steel (1-9) and rotary wing wheel undersetting (1-10) composition, at the end of rotor flowmeter assembly (1)Portion is that rope socket mouth (1-1) is connected with starting taper head, has rotor flowmeter water conservancy diversion entrance (1-2), rotary wing wheel upper bracket on starting taper head(1-4), rotary wing wheel (1-5), magnet steel (1-9) and rotary wing wheel undersetting (1-10) are connected successively and are placed in rotary wing wheel protecting sheathing(1-3), in, on the rotary wing wheel protecting sheathing (1-3) of rotary wing wheel undersetting (1-10) one end, have rotor flowmeter diversion outlet(1-7), rotary wing wheel (1-5) center be provided with axle (1-8) and be supported on rotary wing wheel upper bracket and magnet steel (1-9) between.
Defoamer carrier assembly (6) is by outside defoamer plug (6-1), defoamer outlet (6-2), defoamer carrierShell (6-3) and defoamer (6-4) composition, defoamer carrier assembly (6) is provided with defoamer with one end that protecting sheathing (2) is connectedPlug (6-1), defoamer (6-4) is at the center of defoamer carrier assembly (6) and be placed in defoamer carrier shell (6-3)In, defoamer carrier shell (6-3) is provided with defoamer outlet (6-2).
Differential Pressure Unit assembly (7) by connector (7-1), Differential Pressure Unit water conservancy diversion entrance (7-2), sealing ring (7-3), dam logicalRoad (7-4), Differential Pressure Unit diversion outlet (7-5), pressure sensor I (7-6), signal picker (7-7) and pressure sensor II(7-8) composition, one end of Differential Pressure Unit assembly (7) is that connector (7-1) is for connecting defoamer carrier assembly, connector(7-1) be connected with the housing of Differential Pressure Unit assembly (7), one end of housing is provided with Differential Pressure Unit water conservancy diversion entrance (7-2), the other endEnd be provided with Differential Pressure Unit diversion outlet (7-5), enclosure interior has the passage of damming (7-4), the passage that dams (7-4) is provided withSealing ring (7-3), pressure sensor I (7-6), signal picker (7-7) and pressure sensor II (7-8).
Signal processor (3) has the communication interface online with host computer.
A kind of froth breaking formula rotor flow pressure reduction air injection cross-sectional testing system, comprises above-mentioned froth breaking formula rotor flow pressure reductionAir injection section tester instrument and logging winch, special test cable, electronic depth instrument, well head facility.
A method for down-hole air injection section plane test, is characterized in that, first shedder core segment is online with host computerCommunication, comprehensively analyzes interpretation software on ground by host computer and tester is carried out to the setting of sample format, opens tester,Record the tester available machine time, pack movement into protecting sheathing, by steel wire penetrating rope socket mouth (1-1), tie at rope socket head inner chamberJoint, completes being connected of tester and logging winch, by well head facility by tester hanging in well head, supporting electronics is darkDegree instrument is comprehensively analyzed interpretation software by host computer too sample format is set, and opens when tester simultaneous, records testerWith the opening time of degree of depth instrument, start winch and transfer tester, tester carries out temperature by setting sample format, and pressure, pressesDifference, flow and magnetic orientation data acquisition and storage, electronic depth instrument is while writing time-degree of depth song in the test winch on groundLine, transfers to requiring the degree of depth, controls afterwards winch and trips out tester, gets back to ground, and releasing instrument is connected with steel wire rope, takes outMovement, with host computer on-line communication, playback test data, the data of the electronic depth of playback simultaneously instrument, by comprehensive analysis interpretationSoftware, completes test.
In order to improve accurate testing degree, in adopting high-precision temperature, pressure sensor, the master of sensor unitOn body, offer pilot passage, inject pilot liquid, make sensor fully contact measured medium; During due to air injection, down-hole cooperation addsMedicine, generates so have foam in well, affects the rotation of flat rotary wing wheel, in the bottom of flowmeter, has designed release defoamerCarrier, while transferring instrument, carrier is discharged defoamer by the level pressure hole of four direction, eliminates instrument shaft near bubbleFoam, ensures the normal rotation of flat rotary wing wheel; The water conservancy diversion entrance of Differential Pressure Unit assembly and the angle of diversion outlet can be complied with actual feelingsCondition is set voluntarily, in instrument decentralization process, is flow through from the passage that dams by medium in well logging, and the sensor that is positioned at the space of damming can fillDivide and contact with measured medium, make pressure reduction test data more true and reliable; The holding wire passage length of sensor can be by test requestAdjust, tool length can need processing according to reality test.
Froth breaking formula rotor flow pressure reduction air injection section tester instrument of the present invention and system thereof, comprise froth breaking formula rotor flowPressure reduction section tester instrument, electronic depth instrument, logging winch, well head facility and supporting host computer etc., its comprehensive analysis interpretation is softPart can be determined by the measurement data drafting magnetic that reads froth breaking formula rotor flow pressure reduction air injection section tester instrument and electronic depth instrumentTemperature, pressure, pressure reduction and the flow profile curve of position, the degree of depth, full well and oil reservoir, thereby to oil well down-hole in process of productionThe parameters such as temperature, pressure and flow are made the analysis interpretation accurately measuring with science. Accurate pressure sensor, accurate flowFormula pulse signal processor and software numerical analysis function, can ensure that Stress testing loss is accurate to 0.001MPa, flow rate test valueBe accurate to 0.1t/h. The dark function in school of tester has been coordinated by magnetic locator and the electronic depth instrument of tester core section,Realize dual calibration. Described magnetic locator by permanent magnet, magnetic induction coil, magnetic conduction sleeve does not form, and ensures that instrument removes processTo oil (cover) pipe box cupling, induction produces pulse signal, corresponding oil well box cupling Data correction MTD. Test supporting dark with electronicsDegree instrument records simultaneously transfers the steel wire rope degree of depth, and upper computer software is set up double-depth calibration data associated, to the test point degree of depthRevise, calibrate.
Determining of flat rotary wing wheel, because common turbine flowmeter can not normally rotate under the condition of low discharge, nothingMethod metered flow, so designed rotary vane meter, to solve the measurement problem of low pressure, low discharge gas, repeatedly changes flatThe quantity of the angle of formula rotary wing wheel and the length of rotor and blade thereof, simultaneously for verification rotary vane meter, designed, designed alsoSet up air injection simulation well, by the test of many times in simulation well, final definite low-angle, flat flat rotor selectedWheel, the flat rotary wing wheel of new research and development, ensures in low pressure, low discharge gas blows lower wing wheel and also can normally rotate, by wing wheelThe counting of revolution, thus realize the measurement to air mass flow. For the accuracy of further verification rotary vane meter, set upGround air injection simulation well, by the repeatedly testing experiment in simulation well, obtained comparatively satisfied effect, finally determineRotary vane meter has been selected in air mass flow test, and has carried out on-the-spot test.
Determining of injection profile, the fluid-mixings such as the air under Injection Well can produce flow, pressure reduction in the time entering oil reservoirDisturbance, the feature of differential pressure curve has shown the information of Air Flow approach, when air enters oil reservoir, the upper and lower cavity of pressure membrane can produceRaw pressure differential deltap P, when injecting after steady air current, Δ P and the flow Q ratio that is in line,, when flow Q increases, pressure differential deltap P is increasing thereupon alsoGreatly. By measuring the variation of pressure reduction and the common Analysis deterrmination injection profile of variation of flat rotary wing wheel rotating speed.
Beneficial effect of the present invention is that precision is high, the adjustable degree of depth, and can be applied to air injection, the new skill of exploitation via steam injectionArt, has solved the test problem of air injection well:
1. adopt magnetic orientation and the dual collimation technique of electronic depth instrument, precisely described temperature, pressure and the flow of full wellTemperature, pressure and the flow profile curve of section curve and oil reservoir, the degree of depth accurately will greatly improve position, each layer of down-holeThe credibility of data and availability, and then promote the directive significance of data results to oil well production.
2. realize the test mode of the large capacity storage formula that steel wire rope removes.
3. adopt high-precision sensor and jumbo memory, low in energy consumption, can powered battery.
4. adopt Differential Pressure Unit, can measure accurately down-hole pressure reduction.
5. V/F conversion, pulse signal, digital filtering etc. have been adopted at signal processor in to the acquisition processing system of signalTechnology, device, structure, software three aspects: combine, and improve the precision of sampled result.
Brief description of the drawings
Fig. 1 is the general structure schematic diagram of froth breaking formula rotor flow pressure reduction air injection section tester instrument of the present invention;
Fig. 2 is the rotor flowmeter assembly structural representation of froth breaking formula rotor flow pressure reduction air injection section tester instrument of the present inventionFigure;
Fig. 3 is that the defoamer carrier assembly structure of froth breaking formula rotor flow pressure reduction air injection section tester instrument of the present invention showsIntention;
Fig. 4 is the Differential Pressure Unit assembly structure signal of froth breaking formula rotor flow pressure reduction air injection section tester instrument of the present inventionFigure;
1-rotor flowmeter assembly 2-protecting sheathing 3-signal processor 4-electric power system 5-magnetic orientation 6-defoamerCarrier assembly 7-Differential Pressure Unit assembly 8-sensor unit 1-1-rope socket mouth 1-2-rotor flowmeter water conservancy diversion entrance 1-3-The sweet reed pipe flow switch of rotary wing wheel protecting sheathing 1-4-rotary wing wheel upper bracket 1-5-rotary wing wheel 1-6-1-7-rotor flowmeterDiversion outlet 1-8-axle 1-9-magnet steel 1-10-rotary wing wheel undersetting 6-1-defoamer plug 6-2-defoamer outlet 6-3-defoamer carrier shell 6-4-defoamer 7-1-connector 7-2-Differential Pressure Unit water conservancy diversion entrance 7-3-sealing ring 7-4-Passage 7-5-Differential Pressure Unit diversion outlet 7-6-pressure sensor I7-7-signal picker 7-8-pressure sensor II dams
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
When tester assembling, first sensor is connected one by one with output signal line, then multiple sensors has been putEnter in sensor unit 8; Each output signal line, all through sensor signal passage, is connected into signal processor 3; Signal processorThe other end, connects electric power system 4, magnetic orientation 5 forms core section successively, and core section embeds the inside of protecting sheathing 2, protectionThe port of shell 2 is connected with sensor unit signalling channel, and with copper ring sealing, the sensor unit other end connects rotor flowMeter assembly 1. Protecting sheathing 2 bottoms are threaded with defoamer carrier assembly 6, the defoamer carrier assembly other end and pressure reductionAssembly of devices is threaded, and so far tester overall package completes. Wherein rotor flowmeter assembly effect, enters gas well gas body by the wingFlowmeter water conservancy diversion entrance 1-2 enters rotor flowmeter assembly 1 and drives flat rotary wing wheel 1-5 rotation, thereby drives magnet steel 1-9 rotationProduce pulse signal, open sweet reed pipe flow switch 1-6, pulse signal is delivered to signal processor 3, machine by output signal lineCore is responsible for processing the temperature, pressure, pressure reduction, flow and the magnetic locating signal that collect, and result is fed back to host computer. PassSensor assembly is responsible for processing and is collected the variation of temperature, pressure, flow etc., output signal line by the temperature collecting, pressure andThe signal of flow is transferred to signal processor; Defoamer carrier assembly 6 acts on: while transferring instrument, carrier is by four directionLevel pressure hole discharge defoamer, eliminate instrument shaft near foam, ensure the normal rotation of flat rotary wing wheel; Differential Pressure Unit is totalBecome 7 effects, gas is entered in Differential Pressure Unit assembly 7 by Differential Pressure Unit water conservancy diversion entrance 7-2, dam by the passage 7-4 that dams,The pressure that sensor I7-6, sensor II7-8 gather respectively the gas that dams changes, and output signal line is by the pressure signal collectingGo out to signal picker 7-7 and process and obtain corresponding differential pressure conditions;
Implement when test jobs, prepare well logging process matched therewith system, comprise that logging winch, special test cable, electronics are darkDegree instrument, well head facility. First shedder core segment, with host computer on-line communication, passes through the comprehensive analysis interpretation of host computer on groundSoftware carries out the setting of sample format to tester, open tester, records the tester available machine time, packs movement into protectionShell. By steel wire penetrating rope socket mouth, at rope socket head inner chamber tubercle, complete being connected of apparatus subject and rope winch. LogicalCross well head facility by instrument hanging in well head. Supporting electronic depth instrument is comprehensively analyzed interpretation software by host computer too and is establishedPut sample format, and open when tester simultaneous, the opening time of recording tester and degree of depth instrument, start winch and transfer testerDevice, tester carries out temperature, pressure, pressure reduction, flow and magnetic orientation data acquisition and storage, electronic depth by setting sample formatInstrument is while writing time-depth curve in the test winch on ground, transfers to the scheme requirement degree of depth, controls afterwards winch originallyTester, gets back to ground, and releasing instrument is connected with steel wire rope. Take out movement, with host computer on-line communication, playback test numberAccording to, the data of the electronic depth of playback simultaneously instrument, by comprehensive analysis interpretation software, complete test report.
Claims (6)
1. a froth breaking formula rotor flow pressure reduction air injection section tester instrument, is characterized in that, comprises rotor flowmeter assembly(1), protecting sheathing (2), core section, defoamer carrier assembly (6), Differential Pressure Unit assembly (7) and sensor unit (8),Signal processor (3), electric power system (4) and magnetic locator (5) connect to form core section successively, and core section embeds outside protectionThe inside of shell (2), sensor unit is placed with multiple sensors in (8), and multiple sensors are connected one by one with output signal line, defeatedGo out holding wire and be connected into signal processor (3), port and the sensing of protecting sheathing (2) through the signalling channel of sensor unit (8)The signalling channel of device assembly (8) connects, and with copper ring sealing, the other end of sensor unit (8) connects rotor flowmeter assembly(1), protecting sheathing (2) bottom with one end of defoamer carrier assembly (6) for being threaded, defoamer carrier assembly (6)The other end with Differential Pressure Unit assembly (7) for being threaded, described rotor flowmeter assembly (1) by rope socket mouth (1-1), starting taper head,Rotor flowmeter water conservancy diversion entrance (1-2), rotary wing wheel protecting sheathing (1-3), rotary wing wheel upper bracket (1-4), rotary wing wheel (1-5), sweetReed pipe flow switch (1-6), rotor flowmeter diversion outlet (1-7), axle (1-8), magnet steel (1-9) and rotary wing wheel undersetting (1-10) composition, is that rope socket mouth (1-1) is connected with starting taper head in the end of rotor flowmeter assembly (1), has rotor stream on starting taper headAmount meter water conservancy diversion entrance (1-2), rotary wing wheel upper bracket (1-4), rotary wing wheel (1-5), magnet steel (1-9) and rotary wing wheel undersetting (1-10)Connect successively and be placed in rotary wing wheel protecting sheathing (1-3), at the rotary wing wheel protecting sheathing of rotary wing wheel undersetting (1-10) one end(1-3) on, have rotor flowmeter diversion outlet (1-7), rotary wing wheel (1-5) center is provided with axle (1-8) and is supported on rotary wing wheelBetween bearing and magnet steel (1-9).
2. froth breaking formula rotor flow pressure reduction air injection section tester instrument as claimed in claim 1, is characterized in that, defoamer holdsCarry device assembly (6) by defoamer plug (6-1), defoamer outlet (6-2), defoamer carrier shell (6-3) and defoamer(6-4) composition, one end that defoamer carrier assembly (6) is connected with protecting sheathing (2) is provided with defoamer plug (6-1), froth breakingAgent (6-4) is at the center of defoamer carrier assembly (6) and be placed in defoamer carrier shell (6-3) defoamer carrierShell (6-3) is provided with defoamer outlet (6-2).
3. froth breaking formula rotor flow pressure reduction air injection section tester instrument as claimed in claim 2, is characterized in that Differential Pressure UnitAssembly (7) is by connector (7-1), Differential Pressure Unit water conservancy diversion entrance (7-2), sealing ring (7-3), the passage that dams (7-4), Differential Pressure UnitDiversion outlet (7-5), pressure sensor I (7-6), signal picker (7-7) and pressure sensor II (7-8) composition, pressure reduction dressThe one end of putting assembly (7) be connector (7-1) for connecting defoamer carrier assembly, connector (7-1) and Differential Pressure Unit are totalBecome the housing of (7) to be connected, one end of housing is provided with Differential Pressure Unit water conservancy diversion entrance (7-2), and the end of the other end is provided with pressure reduction dressPut diversion outlet (7-5), enclosure interior has the passage of damming (7-4), the passage that dams (7-4) is provided with sealing ring (7-3), pressureSensor I (7-6), signal picker (7-7) and pressure sensor II (7-8).
4. froth breaking formula rotor flow pressure reduction air injection section tester instrument as claimed in claim 3, is characterized in that signal processingDevice (3) has the communication interface online with host computer.
5. a froth breaking formula rotor flow pressure reduction air injection cross-sectional testing system, is characterized in that, comprises claimed in claim 4Froth breaking formula rotor flow pressure reduction air injection section tester instrument and logging winch, special test cable, electronic depth instrument, well head machineTool.
6. right to use requires test macro described in 5 to carry out a method for air injection section plane test, it is characterized in that, first takes outGo out core section, with host computer on-line communication, comprehensively analyze interpretation software on ground by host computer tester is adoptedThe setting of sample form, opens tester, records the tester available machine time, packs movement into protecting sheathing, by steel wire penetrating ropeCap mouth (1-1), at rope socket head inner chamber tubercle, completes being connected of tester and logging winch, by well head facility by testerHanging is in well head, and supporting electronic depth instrument is comprehensively analyzed interpretation software by host computer too sample format is set, and withWhen tester simultaneous, open, the opening time of recording tester and degree of depth instrument, start winch and transfer tester, tester is by settingSample format carries out temperature, pressure, and pressure reduction, flow and magnetic orientation data acquisition and storage, electronic depth instrument is in the test on groundIn winch, while writing time-depth curve, transfers to requiring the degree of depth, controls afterwards winch and trips out tester, gets back to ground, separatesExcept being connected of instrument and steel wire rope, take out movement, with host computer on-line communication, playback test data, while playback electronic depthThe data of instrument, by comprehensive analysis interpretation software, complete test.
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| CN103939083A (en) * | 2014-03-26 | 2014-07-23 | 辽宁瑞达石油技术有限公司 | High-temperature six-parameter combination tester, test system and test method |
| CN106124379A (en) * | 2016-06-20 | 2016-11-16 | 昆山鸿福泰环保科技有限公司 | A kind of filter element flow testing device |
| CN108952693B (en) * | 2018-04-19 | 2022-02-01 | 中国石油天然气股份有限公司 | Method for determining gas suction proportion of gas injection well gas suction profile |
| CN110566187B (en) * | 2018-06-06 | 2022-02-01 | 中国石油天然气股份有限公司 | Fireflooding gas injection well gas suction profile testing device and method |
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Address after: 124010 Industrial Development Zone, Xinglongtai District, Liaoning, Panjin Patentee after: Liaoning miracle Petroleum Technology Co., Ltd. Address before: 124010 Industrial Development Zone, Xinglongtai District, Liaoning, Panjin Patentee before: Liaoning Ruida Petroleum Technology Co., Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210421 Address after: 124221 Xinglong Industrial Park, Panjin Economic Development Zone, Panjin City, Liaoning Province Patentee after: Panjin Liaohe Oilfield Yulong Ruida Petroleum Technology Co.,Ltd. Address before: 124010 Industrial Development Zone, Xinglongtai District, Liaoning, Panjin Patentee before: Liaoning miracle Petroleum Technology Co.,Ltd. |