CN2888070Y - Optical fiber type multi-point temperature and pressure measuring device for thick oil horizontal well - Google Patents
Optical fiber type multi-point temperature and pressure measuring device for thick oil horizontal well Download PDFInfo
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- CN2888070Y CN2888070Y CNU2006200901047U CN200620090104U CN2888070Y CN 2888070 Y CN2888070 Y CN 2888070Y CN U2006200901047 U CNU2006200901047 U CN U2006200901047U CN 200620090104 U CN200620090104 U CN 200620090104U CN 2888070 Y CN2888070 Y CN 2888070Y
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Abstract
The utility model provides an optical fiber type viscous oil horizontal well multi-point temperature and pressure testing device, belonging to the field of oil production testing technology, which has excellent data acquisition real-time performance and high measuring accuracy. The utility model comprises an optical fiber temperature and pressure demodulation instrument connected with an optical cable, within which the structure essential optical cables are equipped with an optical fiber temperature sensor and a optical fiber pressure sensor respectively. Said optical fiber temperature sensor comprises a sealed steel sheath within which arranges a plurality of quartz capillaries; inside the quartz capillaries, the conduction optical fibers and the sensing optical fibers are arranged separately from the quartz capillaries, with space exists between the end of the conduction optical fibers and the end of the sensing optical fibers. Said optical fiber pressure sensor comprises a steel sheath with an opening within which arranges a plurality of quartz capillaries; inside the quartz capillaries, the conduction optical fibers and the sensing optical fibers are arranged separately from the quartz capillaries, with space exists between the end of the conduction optical fibers and the end of the sensing optical fibers.
Description
Technical field:
The utility model is to belong to oil recovery test technology field, relates in particular to a kind of optical fiber multi-point temperature pressure test device that is used for thick oil horizontal well.
Background technology:
In the oil exploitation process, the particularly exploitation of viscous crude and special viscous crude need be carried out the real-time dynamic monitoring of overall process to the notes process of adopting, especially to the real-time dynamic monitoring of the overall process of the oil recovery horizontal well of steam assisted gravity displacement of reservoir oil mode.At present, what used at the scene mainly is thermocouple temperature measurement and capillary pressure measuring compound mode, the temperature, pressure parameter of multiple spot under the measuring well, especially under high-temperature and high-pressure conditions, have following shortcoming: real time of data acquisition is poor, certainty of measurement is lower, and the mode of going into the well is restricted, and safeguards inconvenience etc.
The utility model content:
The utility model is exactly at the problems referred to above, provides a kind of real time of data acquisition good, the optical fiber type thick oil horizontal well multi-point temp pressure test device that certainty of measurement is high.
The utility model adopts following technical scheme: the utility model comprises fiber optic temperature pressure (FBG) demodulator, fiber optic temperature pressure (FBG) demodulator links to each other with optical cable, be respectively arranged with fibre optic temperature sensor, fibre optic compression sensor on its structural feature optical cable, described fibre optic temperature sensor, comprise the sealing steel sheath, be provided with the spaced conduction optical fiber of quartz capillary, sensor fibre in the quartz capillary in the sealing steel sheath, conduction optical fiber, sensor fibre have the gap between the termination; Described fibre optic compression sensor comprises the steel sheath with opening, is provided with the spaced conduction optical fiber of quartz capillary, sensor fibre in the quartz capillary in the steel sheath, has the gap between the termination of conduction optical fiber, sensor fibre.
The beneficial effects of the utility model:
1, the collection real-time is good, certainty of measurement is high, the life-span is long:
The utility model is a characteristic of utilizing distinctive high temperature resistant, the anti-adverse environment of Fibre Optical Sensor, is applied to have great advantage under the oil well condition; More be applicable in the horizontal well of steam assisted gravity displacement of reservoir oil mode.The utility model testing arrangement can be under high-temperature and high-pressure conditions temperature, the pressure under the multimetering oil well continuously, have good stability under the HTHP, measure accurately, advantage such as long service life.
2, simple in structure:
Member of the present utility model is few and simple in structure, therefore, is easy to make, and is easy to popularize.
Description of drawings:
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of fibre optic temperature sensor of the present utility model;
Fig. 3 is the structural representation of fibre optic compression sensor of the present utility model.
The specific embodiment:
The utility model comprises fiber optic temperature pressure (FBG) demodulator 6, fiber optic temperature pressure (FBG) demodulator 6 links to each other with optical cable 4, be respectively arranged with fibre optic temperature sensor 1, fibre optic compression sensor 2 on the optical cable 4, described fibre optic temperature sensor 1, comprise sealing steel sheath 11, be provided with quartz capillary 9 spaced conduction optical fiber 12, sensor fibre 8 in the quartz capillary 9 in the sealing steel sheath 11, conduction optical fiber 12, sensor fibre have gap 10 between 8 terminations; Described fibre optic compression sensor 2, comprise steel sheath 15 with opening 13, be provided with quartz capillary 9 spaced conduction optical fiber 12, sensor fibre 8 in the quartz capillary 9 in the steel sheath 15, have gap 14 between the termination of conduction optical fiber 12, sensor fibre 8.
The sealing steel sheath 11 of fibre optic temperature sensor 1 adopts stainless steel, can increase the service life.Sealing steel sheath 11 keeps its pressure-tight state, eliminates pressure to Temperature Influence.
The uniformity of the sensor fibre 8 of fibre optic compression sensor 2 and quartz capillary 9 materials is selected, and eliminates the influence of temperature to pressure.
Between a conduction optical fiber 12 and sensor fibre 8 and the quartz capillary 9 is fulcrum 7 with the precision welding contact respectively, supports quartz capillary 9 and the gap of conducting optical fiber 12 and sensor fibre 8.
The model that fiber optic temperature pressure (FBG) demodulator 6 can be adopted U.S. MOI company product is the fiber optic temperature pressure (FBG) demodulator 6 of SM125.
Fibre optic temperature sensor 1 and fibre optic compression sensor 2 external diameters go for various coiled tubings 5 less than 18cm.The optical fiber multi-point temperature pressure test device of the horizontal well of the viscous crude steam assisted gravity displacement of reservoir oil mode that makes, its scope of application: temperature 0-400 ℃, pressure 0-40Mpa.Temperature accuracy 0.2%FS wherein, pressure precision 0.2%FS can satisfy the on-the-spot needs of the horizontal well dynamic monitoring of viscous crude steam assisted gravity displacement of reservoir oil mode.
Can on optical cable 4 of the present utility model, the number of fibre optic temperature sensor 1, fibre optic compression sensor 2 be set respectively according to actual needs.
During use, fiber optic temperature pressure (FBG) demodulator 6 places on the ground, optical cable 4 of the present utility model is placed in the coiled tubing 5 in the oil well casing 3 get final product; Just can measure temperature, the pressure of down-hole.
Claims (2)
1, optical fiber type thick oil horizontal well multi-point temp pressure test device, comprise fiber optic temperature pressure (FBG) demodulator (6), the same optical cable of fiber optic temperature pressure (FBG) demodulator (6) (4) links to each other, it is characterized in that being respectively arranged with on the optical cable (4) fibre optic temperature sensor (1), fibre optic compression sensor (2), described fibre optic temperature sensor (1), comprise sealing steel sheath (11), be provided with the spaced conduction optical fiber of same quartz capillary (9) (12) in the quartz capillary (9) in the sealing steel sheath (11), sensor fibre (8), conduction optical fiber (12), sensor fibre (8) has gap (10) between the termination; Described fibre optic compression sensor (2), comprise the have opening steel sheath (15) of (13), be provided with the spaced conduction optical fiber of same quartz capillary (9) (12), sensor fibre (8) in the quartz capillary (9) in the steel sheath (15), have gap (14) between the termination of conduction optical fiber (12), sensor fibre (8).
2, optical fiber type thick oil horizontal well multi-point temp pressure test device according to claim 1 is characterized in that between a conduction optical fiber (12) and a sensor fibre (8) and the quartz capillary (9) be fulcrum (7) with the precision welding contact respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200901047U CN2888070Y (en) | 2006-03-31 | 2006-03-31 | Optical fiber type multi-point temperature and pressure measuring device for thick oil horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200901047U CN2888070Y (en) | 2006-03-31 | 2006-03-31 | Optical fiber type multi-point temperature and pressure measuring device for thick oil horizontal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2888070Y true CN2888070Y (en) | 2007-04-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200901047U Expired - Fee Related CN2888070Y (en) | 2006-03-31 | 2006-03-31 | Optical fiber type multi-point temperature and pressure measuring device for thick oil horizontal well |
Country Status (1)
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| CN (1) | CN2888070Y (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101587760B (en) * | 2009-05-07 | 2011-01-19 | 中国石油辽河油田钻采工艺研究院 | Cable of downhole monitoring system of horizontal steam injection well and preparing method thereof |
| CN101178006B (en) * | 2007-11-30 | 2011-05-11 | 北京蔚蓝仕科技有限公司 | Optical-fiber temperature and pressure two-parameter permanent oil well sensing unit |
| CN101187307B (en) * | 2007-12-14 | 2012-07-25 | 北京蔚蓝仕科技有限公司 | Optical fiber multi-point temperature and pressure measuring method for intelligent well and the device therefor |
| CN103075146A (en) * | 2011-10-25 | 2013-05-01 | 中国石油化工股份有限公司 | Differential temperature and pressure tester for horizontal well for thermal recovery |
| CN103147733A (en) * | 2013-03-12 | 2013-06-12 | 中国石油天然气股份有限公司 | Windable electric ignition and monitoring system for in-situ combustion |
| CN103314181A (en) * | 2011-01-11 | 2013-09-18 | 贝克休斯公司 | Sensor array configuration for swept-wavelength interferometric-based sensing systems |
| CN105114052A (en) * | 2015-04-27 | 2015-12-02 | 中国海洋石油总公司 | Multiphase flow flowmeter in well and monitor method |
| CN111335858A (en) * | 2018-12-18 | 2020-06-26 | 中国石油天然气股份有限公司 | Steam cavity monitoring device |
| CN114018433A (en) * | 2021-09-17 | 2022-02-08 | 湖北三江航天红峰控制有限公司 | Testing device and testing method for temperature field in solid propellant solidified square billet |
-
2006
- 2006-03-31 CN CNU2006200901047U patent/CN2888070Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101178006B (en) * | 2007-11-30 | 2011-05-11 | 北京蔚蓝仕科技有限公司 | Optical-fiber temperature and pressure two-parameter permanent oil well sensing unit |
| CN101187307B (en) * | 2007-12-14 | 2012-07-25 | 北京蔚蓝仕科技有限公司 | Optical fiber multi-point temperature and pressure measuring method for intelligent well and the device therefor |
| CN101587760B (en) * | 2009-05-07 | 2011-01-19 | 中国石油辽河油田钻采工艺研究院 | Cable of downhole monitoring system of horizontal steam injection well and preparing method thereof |
| CN103314181A (en) * | 2011-01-11 | 2013-09-18 | 贝克休斯公司 | Sensor array configuration for swept-wavelength interferometric-based sensing systems |
| CN103314181B (en) * | 2011-01-11 | 2017-01-18 | 贝克休斯公司 | Sensor array configuration for swept-wavelength interferometric-based sensing systems |
| CN103075146A (en) * | 2011-10-25 | 2013-05-01 | 中国石油化工股份有限公司 | Differential temperature and pressure tester for horizontal well for thermal recovery |
| CN103147733A (en) * | 2013-03-12 | 2013-06-12 | 中国石油天然气股份有限公司 | Windable electric ignition and monitoring system for in-situ combustion |
| CN105114052A (en) * | 2015-04-27 | 2015-12-02 | 中国海洋石油总公司 | Multiphase flow flowmeter in well and monitor method |
| CN111335858A (en) * | 2018-12-18 | 2020-06-26 | 中国石油天然气股份有限公司 | Steam cavity monitoring device |
| CN114018433A (en) * | 2021-09-17 | 2022-02-08 | 湖北三江航天红峰控制有限公司 | Testing device and testing method for temperature field in solid propellant solidified square billet |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070411 Termination date: 20100331 |