CN2265535Y - High-temp. electronic double-parameter tester - Google Patents
High-temp. electronic double-parameter tester Download PDFInfo
- Publication number
- CN2265535Y CN2265535Y CN 95232843 CN95232843U CN2265535Y CN 2265535 Y CN2265535 Y CN 2265535Y CN 95232843 CN95232843 CN 95232843 CN 95232843 U CN95232843 U CN 95232843U CN 2265535 Y CN2265535 Y CN 2265535Y
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- temperature
- pressure
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- tester
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Abstract
The utility model relates to a high-temperature electronic double-parameter tester, which is an underground tester used for testing temperature profiles in mining a thick oil well in an oilfield via steam injection mining. The tester is composed of a measuring section, a sealing section, a sensor assembly, a signal converter assembly, a single chip computer sampling system assembly, a high-temperature metal vacuum thermal insulation bottle assembly, ground graphics software and other parts. When the utility model is used, measured pressure and temperature signals are transmitted to a converter and a single chip computer system in a thermal insulation bottle, and the signals are processed and stored by the single chip computer system. A ground host is used for playing back and processing data in a single chip computer and working out test curves and a report. The tester can be used for measuring the temperature and the pressure variation situation of all points under a steam injection well.
Description
The utility model relates to the downhole testing instrument that uses when carrying out the temperature profile test on a kind of oil field in the thick oil thermal extraction exploitation via steam injection process, belongs to instrument class.
Steam stimulation and steam flood are the main means of thickened oil recovery, annotate the situation of change of vapour well downhole temperature, pressure, the suction vapour situation that has directly reflected each oil reservoir, the oil displacement efficiency that has reflected steam, particularly for heterogeneous reservoir, the interlayer vapor absorption capacity differs greatly, even produces that the steam individual layer advances or vapour that vapour drives well is scurried, thereby has influenced the development effectiveness of viscous crude resource.The testing tool that a kind of special use therefore must be arranged is measured pressure, the temperature variations of temperature profile accurately and stably, gets the down-hole clear and annotates the vapour situation, adjusts timely, to reach best notes vapour effect.At present, through a large amount of research work, several testing tools have been produced, for example both at home and abroad with this type of function, high temperature pressure meter produced in USA, pyrometer, China is high temperature two-parameter (pressure, the temperature) tester of development and design voluntarily, all adopts in China's oil-field thick-oil recovery process, but above-mentioned several instrument all belongs to mechanical compression, temperature survey exists error big, the shortcoming of stability and reliability difference.Result of use is not really desirable.
The purpose of this utility model be to provide a kind of can be in the injecting-steam viscous crude oil well steam injection process accurate gaging pressure temperature parameter situation of change, the high-temperature electronic double parameter test instrument with high precision, good, stability and reliability.
High-temperature electronic double parameter test instrument of the present utility model comprises that mainly measuring section, seal section, sensor unit, signal converter assembly, single-chip microcomputer sampling system assembly, high-temperature metal vacuum heat-insulation bottle assembly and ground paints parts such as separating software.Measuring section is a column structure, and interior dress thermopair and pressure-sensitive bellows are equipped with the strain diaphragm of being made by specialty metal in the bellows.Measuring section also is provided with tracting pressuring hole and temperature survey to discharge orifice.Seal section is formed by rubber sealing element that can bear High Temperature High Pressure and metallic seal elements combination.Sensor unit is made up of high-precision electronic temperature, pressure transducer.The signal converter assembly is made up of micro pressure transmitter, temperature transmitter and signal transmitting apparatus.The single-chip microcomputer sampling system comprises main frame, I/O interface, multilayer circuit board and sampling storing software etc.High-temperature metal vacuum heat-insulation bottle assembly is made up of the heat insulation bottle of high-temperature metal, bottle stopper, heat absorbent pipe, efficient heat absorbent and protecting sheathing.Ground is painted and is separated software and comprise data communication plate, data processing and paint several parts of the program of separating.
High-temperature electronic double parameter test instrument of the present utility model carries out work according to following principle.Pressure transducer in the tester adopts pressure resistance type semiconductor diffusion silicon pressure sensor, the vapor action of annotating High Temperature High Pressure in the vapour well is on the pressure-sensitive bellows, make strain diaphragm generation deformation, the kapillary by being full of medium pressure signal transmission to the pressure transducer that is in the vacuum heat-insulation bottle.Pressure transducer becomes corresponding millivolt value signal to sensed pressure signal transformation.Thermopair is adopted in temperature survey.Single Chip Microcomputer (SCM) system then deposits in the storer through amplification and A/D conversion according to the pressure and temp signal under the instruction timing acquiring storage well that sets in advance.Because electron devices such as Single Chip Microcomputer (SCM) system and sensor can not be in being annotated the vapour well are worked under the environment of High Temperature High Pressure, have designed high-temperature metal vacuum heat-insulation bottle in the tester, and it is protected.The heat insulation bottle of high-temperature metal has adopted multi-layer vacuum, modes such as spraying reflection horizon and the efficient heat absorbent of filling, make tester under the situation of continuous working, temperature is no more than the nominal operation temperature of electronic component in the bottle, to guarantee the operate as normal of Single Chip Microcomputer (SCM) system, sensing system.
The ground interpre(ta)tive system of high-temperature electronic double parameter test instrument is made up of ground host and communication interface, printer.Its function is by special-purpose interpretation software, communication setting timing acquiring memory command before the test, and the test signal that collects in the test back communication playback storer, treated generation form and curve are through printer output.
High-temperature electronic double parameter test instrument of the present utility model compared with prior art has following advantage:
1, the sensor that has high precision and good stability has guaranteed the accuracy of test parameter.
2, efficient metal insulation system and sealing system guarantee that electronic devices and components are in the down-hole operate as normal.
3, high-precision single-chip microcomputer acquisition and memory system has guaranteed the precision of data processing.
Accompanying drawing 1 is the structure diagram of high-temperature electronic double parameter test instrument.
Below, 1 given embodiment further describes the utility model in conjunction with the accompanying drawings:
High-temperature electronic double parameter test instrument among the embodiment is painted by rope socket (1), measuring section (2), seal section (3), sensor unit (4), signal converter assembly (5), Single Chip Microcomputer (SCM) system (6), heat absorbent (7), high-temperature metal vacuum heat-insulation bottle (8) and ground and is separated software etc. and form.Thermopair is adopted in the temperature survey of this tester, and pressure survey passes to sensor to signal by the deformation of the strain diaphragm in the pressure-sensitive bellows, converts corresponding millivolt value signal to, by Single Chip Microcomputer (SCM) system timing acquiring and processing storage.CPU in the Single Chip Microcomputer (SCM) system selects the Intel87C51 chip for use, and A/D converter is selected 12 chips for use, 8000 of design stores data.For guarantee Single Chip Microcomputer (SCM) system and sensing system can be under the worst hot case of down-hole operate as normal, designed high-temperature metal vacuum heat-insulation bottle in the tester it protected.The heat insulation bottle of high-temperature metal adopts modes such as multi-layer vacuum, spraying reflection horizon to make instrument continuous working 6 hours under 17MPa, 350 ℃ of environment, and temperature rise is no more than 40 ℃ in the bottle chamber.Single Chip Microcomputer (SCM) system is handled the pressure and temperature data of storage and is made form and curve by the ground interpre(ta)tive system, through printer output.
Claims (3)
1, in a kind of oil-field thick-oil exploitation via steam injection process, employed downhole testing instrument when test steam entry profile temperature, two parameters of pressure is characterized in that: this testing tool is painted by measuring section, seal section, sensor unit, signal converter assembly, single-chip microcomputer sampling system assembly, high-temperature metal vacuum heat-insulation bottle assembly and ground and is separated software etc. and partly form.
2, high-temperature electronic double parameter test instrument according to claim 1 is characterized in that: the measuring section of this instrument is made up of discharge orifice, thermopair and the strain diaphragm of being made by specialty metal that is contained in the pressure-sensitive bellows wireline socket, tracting pressuring hole, temperature survey; Seal section is formed by rubber sealing element that can bear High Temperature High Pressure and metallic seal elements combination; Sensor unit is made up of high-precision electronic temperature, pressure transducer; The signal converter assembly is made up of micro pressure transmitter, temperature transmitter and signal transmitting apparatus; The single-chip microcomputer sampling system comprises main frame, I/O interface, multilayer circuit board and sampling storing software etc.; High-temperature metal vacuum heat-insulation bottle, bottle stopper, heat absorbent pipe, efficient heat absorbent and protecting sheathing are formed; Ground is painted and is separated software and comprise data communication plate, data processing and paint several parts of the program of separating.
3, high-temperature electronic double parameter test instrument according to claim 2, it is characterized in that: high-temperature metal vacuum heat-insulation bottle has adopted multi-layer vacuum, and technical schemes such as spraying reflection horizon are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95232843 CN2265535Y (en) | 1995-11-29 | 1995-11-29 | High-temp. electronic double-parameter tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95232843 CN2265535Y (en) | 1995-11-29 | 1995-11-29 | High-temp. electronic double-parameter tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2265535Y true CN2265535Y (en) | 1997-10-22 |
Family
ID=33877107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95232843 Expired - Fee Related CN2265535Y (en) | 1995-11-29 | 1995-11-29 | High-temp. electronic double-parameter tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2265535Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102979509A (en) * | 2012-11-14 | 2013-03-20 | 中国石油天然气股份有限公司 | Temperature and pressure profile tester and device |
| CN101309853B (en) * | 2005-09-19 | 2013-09-11 | 普拉德研究及开发股份有限公司 | Apparatus for downhole fluid analysis using micro-electromechanical systems (MEMS) or other sensors |
-
1995
- 1995-11-29 CN CN 95232843 patent/CN2265535Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101309853B (en) * | 2005-09-19 | 2013-09-11 | 普拉德研究及开发股份有限公司 | Apparatus for downhole fluid analysis using micro-electromechanical systems (MEMS) or other sensors |
| CN102979509A (en) * | 2012-11-14 | 2013-03-20 | 中国石油天然气股份有限公司 | Temperature and pressure profile tester and device |
| CN102979509B (en) * | 2012-11-14 | 2015-09-09 | 中国石油天然气股份有限公司 | Temperature and pressure profile tester and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |