CN213898946U - Current collector dynamic calibration device for cable logging - Google Patents
Current collector dynamic calibration device for cable logging Download PDFInfo
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- CN213898946U CN213898946U CN202022678040.5U CN202022678040U CN213898946U CN 213898946 U CN213898946 U CN 213898946U CN 202022678040 U CN202022678040 U CN 202022678040U CN 213898946 U CN213898946 U CN 213898946U
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Abstract
The utility model relates to a current collector developments calibration device for cable logging, close valve, horizontal organic glass pipe, current collection type flow measurement instrument, data acquisition processing system and low reaches fast including oil water separating tank, water pitcher, oil tank, water pump, oil pump, upper reaches fast and close the valve. When the current collector for cable logging is dynamically calibrated, an upstream and downstream quick-closing valve and a current-collecting type flow measuring instrument in a horizontal organic glass tube need to be opened, oil-water mixed fluid with different proportions is provided by a regulating water pump and an oil pump, flows through a current-collecting type flow measuring instrument channel in a current-collecting state, and then returns to an oil-water separation tank to finish the dynamic calibration of the working condition. And after calibration under different flowing conditions, measuring the current collecting characteristic of the current collector for the cable logging according to the response result of the current collecting type flow measuring instrument and the linearity of the total oil-water flow under different conditions. The utility model relates to a rationally, stability is strong, provides basic guarantee for the mass flow performance inspection and the demarcation of current collector for the cable logging.
Description
Technical Field
The utility model relates to a current collector developments calibration device for cable logging in oil field logging field especially relates to a can be used to on-line developments inspection current collector mass flow performance's for cable logging developments calibration device.
Background
In the process of oil field development, oil-water split-phase flow measurement plays an important role in monitoring the output of each production layer, estimating the yield, guiding the injection and production of an oil well, improving the recovery ratio, saving the energy consumption, predicting the development life of the oil well and the like. Aiming at the scale of the low-yield liquid mechanical production horizontal well occupying the absolute quantity of oil fields in China, the flow pattern of the fluid is mostly stratified flow, and under the special condition, the conventional method can not avoid the following problems: when the flow is low, the speed of the fluid is not enough to drive the turbine, so that the turbine cannot work normally, and the turbine is easily influenced by sand jams, so that the turbine flowmeter is poor in stability; the electromagnetic flow measuring method is characterized in that conductive liquid is regarded as a conductor, the flow of fluid is regarded as the conductor to cut magnetic lines of force, and under the special condition of oil-water laminar flow, a discontinuous water phase possibly appears between electrodes of an electromagnetic flowmeter, so that the fluid between the electrodes cannot conduct electricity, the electromagnetic flowmeter cannot work, and in addition, slippage exists between the oil phase and the water phase, so that the accuracy and the stability of the measuring method are poor.
In the actual oil field logging process, the purpose of changing the fluid speed can be achieved by adopting a flow collecting mode so as to improve the measurement precision of a test instrument. The current-collecting type horizontal well logging based on coiled tubing conveying is one of important means for obtaining underground fluid information of a horizontal well, a logging cable penetrates through the coiled tubing and is connected with a logging instrument, and the logging instrument is conveyed to a target well section by virtue of an oil tube injection head, so that the problem that the horizontal well logging instrument is difficult to convey is effectively solved. The horizontal tubular column extrusion type rubber collector is used as a matching short joint of the continuous oil pipe conveying process flow collecting well logging, and can well finish the packing of the annular space of the horizontal underground oil jacket to realize the flow collecting test of each section of the horizontal well. Because the radial deformation degree of the deformable elastic part in the horizontal pipe column extruded rubber current collector determines the applicable current collection working flow range, in order to better master the current collection performance of the horizontal pipe column extruded rubber current collector under different flowing conditions, a dynamic calibration device special for testing the current collection performance of the pipe column extruded rubber current collector for cable logging needs to be designed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the above-mentioned not enough, provide a current collector developments calibration device for cable logging.
The utility model aims at realizing through the following technical scheme:
the utility model provides a current collector developments calibration device for cable logging, including oil water separator, water pitcher, oil tank, water pump, oil pump, the fast valve of closing of upper reaches, horizontal organic glass pipe, current collection type flow measurement instrument, data acquisition processing system and the fast valve of closing of low reaches, oil water separator connects water pitcher, oil tank and the fast valve of closing of low reaches respectively, the water pitcher is connected the water pump, the oil pump is connected to the oil tank, the fast valve of closing of upper reaches connects water pump, oil pump and horizontal organic glass pipe respectively, the fast valve of closing of low reaches is connected to horizontal organic glass union coupling, current collection type flow measurement instrument is in horizontal organic glass intraductal.
The utility model discloses there are some technical characterstic as such yet:
the flow-collecting type flow measuring instrument comprises a liquid inlet, a flow collector for cable logging, a double-turbine flow sensor, a liquid outlet and a double-turbine flow driving circuit.
The double-turbine flow driving circuit is connected with the data acquisition and processing system.
The data acquisition and processing system comprises a data acquisition unit and a data processing unit, wherein the data acquisition unit is connected with the data processing unit.
The double-turbine flow driving circuit comprises a power generation circuit, a double-turbine excitation circuit, a pulse modulation circuit and a composite frequency coupling circuit.
And in the calibration process of the current collector for the cable logging, the data acquisition and processing system is used for acquiring the response result of the current-collecting type flow measuring instrument in a current-collecting state in real time on line and analyzing the linearity and the resolution, so that the purpose of testing the current-collecting characteristics of the current collector for the cable logging under different flowing working conditions is achieved.
The utility model discloses following profitable effect has:
the utility model discloses a current collector developments calibration device for cable logging reasonable in design, stability are strong, provide basic guarantee for the mass flow performance inspection and the demarcation of the current collector for cable logging that is used for the mass flow packing in pit.
Drawings
Fig. 1 is a schematic view of the overall structure of a dynamic calibration device for a current collector for cable logging of the present invention;
fig. 2 the utility model discloses a current collection type flow measurement instrument drive circuit and data acquisition processing system schematic structure.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
the utility model discloses special for horizontal well tubular column extrusion formula rubber mass flow logging method based on the mass flow mode and design, consider that there is great difference problem in packing oil jacket annular space after the radial deformation of different degrees takes place for the current collector for the cable logging in actual engineering application, design one kind and be applicable to carry out qualitative and quantitative analysis's current collector dynamic calibration device for the cable logging to current collector mass flow degree for the cable logging.
Fig. 1 is an overall structure schematic diagram of a current collector dynamic calibration apparatus for cable logging according to an embodiment of the present invention. As shown in fig. 1, the device mainly comprises an oil-water separation tank 1, a water tank 2, an oil tank 3, a water pump 4, an oil pump 5, an upstream quick-closing valve 6, a horizontal organic glass tube 7, a current-collecting type flow measurement instrument 8, a data acquisition processing system 21 and a downstream quick-closing valve 14, wherein the oil-water separation tank 1 is respectively connected with the water tank 2, the oil tank 3 and the downstream quick-closing valve 14, the water tank 2 is connected with the water pump 4, the oil tank 3 is connected with the oil pump 5, the upstream quick-closing valve 6 is respectively connected with the water pump 4, the oil pump 5 and the horizontal organic glass tube 7, the horizontal organic glass tube 7 is connected with the downstream quick-closing valve 14, and the current-collecting type flow measurement instrument 8 is arranged in the horizontal organic glass tube 7. The current-collecting type flow measuring instrument 8 comprises a liquid inlet 9, a current collector 10 for cable logging, a double-turbine flow sensor 11, a liquid outlet 12 and a double-turbine flow driving circuit 13, wherein the double-turbine flow driving circuit 13 is connected with the data acquisition and processing system 21.
In fig. 1, when a current collector dynamic calibration device for cable logging is used for calibration, an upstream quick-closing valve 6, a downstream quick-closing valve 14, a current collector 10 for cable logging, a double-turbine flow driving circuit 13 and a data acquisition and processing system 21 are required to be opened, an oil-water mixed fluid with different flow conditions is provided by adjusting and controlling a water pump 4 and an oil pump 5, the oil-water mixed fluid enters a horizontal organic glass tube 7 through the upstream quick-closing valve 6, flows into a measurement channel of a current collection type flow measuring instrument 8 in a current collection state from a liquid inlet 9 of the current collection type flow measuring instrument 8, flows out of a liquid outlet 12 of the current collection type flow measuring instrument 8 after flowing through a double-turbine flow sensor 11 of the current collection type flow measuring instrument 8 and returns to an oil-water separation tank 1, and simultaneously the double-turbine flow driving circuit 13 excites the double-turbine flow sensor 11 to output double-turbine flow signals, and transmitted to the data acquisition and processing system 21 for acquisition and analysis processing, so as to realize dynamic calibration under the working condition. And (3) after different flowing conditions are calibrated, testing the current collecting characteristics of the current collector 10 for the cable logging according to the response result of the double-turbine flow sensor 11 of the current collecting type flow measuring instrument 8 and the linearity of the oil-water mixed total flow under different conditions.
Fig. 2 is the structure diagram of the drive circuit and data acquisition and processing system of the flow-collecting type flow measuring instrument of the present invention. As shown in fig. 2, the system mainly includes the data acquisition and processing system 21 and the dual turbine flow driving circuit 13. The data acquisition processing system 21 comprises a data acquisition unit 19 and a data processing unit 20, and the data acquisition unit 19 is connected with the data processing unit 20. The double-turbine flow driving circuit 13 comprises a power supply generating circuit 15, a double-turbine exciting circuit 16, a pulse modulation circuit 17 and a composite frequency coupling circuit 18, a response result of the current-collecting type flow measuring instrument 8 in a current-collecting state is obtained on line in real time through a data acquisition unit 19 in the calibration process of the current collector 10 for the cable logging, and the linearity and the resolution of the response result are analyzed through a data processing unit 20, so that the purpose of testing the current-collecting characteristics of the current collector 10 for the cable logging under different flowing working conditions is achieved.
It should be noted that what is described herein is merely illustrative of the present invention. The utility model discloses a technical field person can do various modification or supplementary or adopt similar mode to replace to the concrete example that describes, all be any modification, equivalent replacement, improvement etc. that do on the technical scheme of the utility model, all should be contained within the scope of protection of the utility model.
Claims (4)
1. The utility model provides a current collector developments calibration device for cable logging, includes oil water separating tank, water pitcher, oil tank, water pump, oil pump, upper reaches fast valve, horizontal organic glass pipe, current collection type flow measurement instrument, data acquisition processing system and low reaches fast valve of closing, its characterized in that: the oil-water separation tank is respectively connected with the water tank, the oil tank and the downstream quick-closing valve, the water tank is connected with the water pump, the oil pump is connected with the oil tank, the upstream quick-closing valve is respectively connected with the water pump, the oil pump and the horizontal organic glass tube, the horizontal organic glass tube is connected with the downstream quick-closing valve, and the flow-collecting type flow measuring instrument is positioned in the horizontal organic glass tube.
2. The device for dynamically calibrating a current collector for wireline logging as recited in claim 1, wherein: the flow-collecting type flow measuring instrument comprises a liquid inlet, a flow collector for cable logging, a double-turbine flow sensor, a liquid outlet and a double-turbine flow driving circuit, wherein the double-turbine flow driving circuit is connected with a data acquisition and processing system.
3. The device for dynamically calibrating a current collector for wireline logging as recited in claim 1, wherein: the data acquisition and processing system comprises a data acquisition unit and a data processing unit, wherein the data acquisition unit is connected with the data processing unit.
4. The device for dynamically calibrating a current collector for wireline logging as recited in claim 2, wherein: the double-turbine flow driving circuit comprises a power generation circuit, a double-turbine exciting circuit, a pulse modulation circuit and a composite frequency coupling circuit, wherein the power generation circuit is connected with the double-turbine exciting circuit, the double-turbine exciting circuit is connected with the pulse modulation circuit, and the pulse modulation circuit is connected with the composite frequency coupling circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022678040.5U CN213898946U (en) | 2020-11-18 | 2020-11-18 | Current collector dynamic calibration device for cable logging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022678040.5U CN213898946U (en) | 2020-11-18 | 2020-11-18 | Current collector dynamic calibration device for cable logging |
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| Publication Number | Publication Date |
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| CN213898946U true CN213898946U (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202022678040.5U Active CN213898946U (en) | 2020-11-18 | 2020-11-18 | Current collector dynamic calibration device for cable logging |
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| CN (1) | CN213898946U (en) |
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2020
- 2020-11-18 CN CN202022678040.5U patent/CN213898946U/en active Active
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