CN103267560B - High-temperature detecting system of optical fiber flow sensor - Google Patents
High-temperature detecting system of optical fiber flow sensor Download PDFInfo
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- CN103267560B CN103267560B CN201310216261.2A CN201310216261A CN103267560B CN 103267560 B CN103267560 B CN 103267560B CN 201310216261 A CN201310216261 A CN 201310216261A CN 103267560 B CN103267560 B CN 103267560B
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- 239000013307 optical fiber Substances 0.000 title claims abstract description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 238000005485 electric heating Methods 0.000 claims abstract description 9
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract 2
- 230000000630 rising effect Effects 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract 4
- 239000003208 petroleum Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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- Measuring Temperature Or Quantity Of Heat (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The invention relates to an optical fiber flow sensor for petroleum well logging, in particular to a high-temperature detecting system of an optical fiber flow sensor. According to the high-temperature detecting system of the optical fiber flow sensor, an inner shell is arranged in a high-temperature-resistant high-pressure-resistant protective jacket, an electric heating pipe is arranged between the high-temperature-resistant high-pressure-resistant protective jacket and the inner shell, a temperature regulating cavity is formed in the inner shell, the high-temperature-resistant high-pressure-resistant protective jacket and an opening of the upper end of the inner shell are sealed through sealing plugs, a temperature pressure sensor is arranged in the temperature regulating cavity and connected with a temperature display panel and a pressure display panel respectively through transmission lines, one end of a water outlet pipe is inserted into the bottom of the inner portion of the temperature regulating cavity, the other end of the water outlet pipe is connected with an adjustable pump, the adjustable pump, a water injection pipe, the electric heating pipe and a water injection opening are connected in sequence, and the water injection port extends into the inner upper portion of the temperature regulating cavity. The high-temperature detecting system of the optical fiber flow sensor achieves detection of the working condition of the optical fiber flow sensor on the condition of the high temperature and the high pressure, and guarantees that the optical fiber flow sensor works smoothly.
Description
Technical field:
The present invention relates to a kind of used in oil well logging optic flow sensor, particularly a kind of high temperature optical fiber flow sensor detection system.
Background technology:
Existing flow sensor cannot work under down-hole rugged environment such as high temperature, high pressure, the ground electrical interference of burn into earth magnetism, is not therefore suitable for the thick survey oil-field development environment of high temperature (170 ~ 350 DEG C).At present, optic flow sensor is insensitive and can bear extreme condition to electromagnetic interference (EMI), comprise high temperature, high pressure (more than tens MPas) and strong shock and vibration, pit shaft and well site environmental parameter can be measured accurately, Fibre Optical Sensor cross-sectional area is little simultaneously, profile is short, takes up space in the wellbore minimum, is applicable to the thick survey oil-field development environment of high temperature (170 ~ 350 DEG C).But also there is no the detection system that can detect the working condition of optic flow sensor under high-temperature and high-pressure conditions at present.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of high temperature optical fiber flow sensor detection system, and this system achieves can the working condition of detection fiber flow sensor under high-temperature and high-pressure conditions, for the work well of optic flow sensor provides safeguard.Overcome the deficiency that existing fiber flow sensor does not have corresponding detection system.
The technical solution used in the present invention is: a kind of high temperature optical fiber flow sensor detection system, comprises high temperature high voltage resistant protective sleeve, inner casing and temperature adjusting chamber, inner casing is provided with in high temperature high voltage resistant protective sleeve, electric heating tube is provided with between high temperature high voltage resistant protective sleeve and inner casing, temperature adjusting chamber is provided with in inner casing, the opening of high temperature high voltage resistant protective sleeve and inner casing upper end is sealed by sealing-plug, temperature and pressure transmitter is arranged in temperature adjusting chamber, temperature and pressure transmitter is connected with pressure display panel with Temperature displaying panel respectively by transmission line, rising pipe one end is inserted into temperature adjusting chamber inner bottom part, the other end is connected with tunable pump, tunable pump, water injection pipe, electric heating tube, water filling port is connected in turn, water filling port extend into temperature adjusting chamber internal upper part, one end of force pipe and one end of relief tube all extend into temperature adjusting chamber internal upper part, the force pipe other end connects force (forcing) pump, the relief tube other end connects dropping valve, optic flow sensor is arranged in temperature adjusting chamber, the tail optical fiber of optic flow sensor is connected with (FBG) demodulator.
The invention has the beneficial effects as follows: the present invention is owing to have employed temperature adjusting chamber, and thus having can the function of the working condition of detection fiber flow sensor under high-temperature and high-pressure conditions, for the work well of optic flow sensor provides safeguard.
Accompanying drawing illustrates:
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Fig. 1 is structural representation of the present invention.
Embodiment:
As shown in Figure 1, a kind of high temperature optical fiber flow sensor detection system, comprises high temperature high voltage resistant protective sleeve 15, inner casing 14 and temperature adjusting chamber 13, inner casing 14 is provided with in high temperature high voltage resistant protective sleeve 15, electric heating tube 3 is provided with between high temperature high voltage resistant protective sleeve 15 and inner casing 14, temperature adjusting chamber 13 is provided with in inner casing 14, the opening of high temperature high voltage resistant protective sleeve 15 and inner casing 14 upper end is sealed by sealing-plug 12, temperature and pressure transmitter 17 is arranged in temperature adjusting chamber 13, temperature and pressure transmitter 17 is connected with pressure display panel 19 with Temperature displaying panel 18 respectively by transmission line 20, rising pipe 4 one end is inserted into temperature adjusting chamber 13 inner bottom part, the other end is connected with tunable pump 5, tunable pump 5, water injection pipe 6, electric heating tube 3, water filling port 7 is connected in turn, water filling port 7 extend into temperature adjusting chamber 13 internal upper part, one end of force pipe 9 and one end of relief tube 10 all extend into temperature adjusting chamber 13 internal upper part, force pipe 9 other end connects force (forcing) pump 8, relief tube 10 other end connects dropping valve 11, optic flow sensor 2 is arranged in temperature adjusting chamber 13, the tail optical fiber 1 of optic flow sensor 2 is connected with (FBG) demodulator 16.
When the present invention works, temperature and pressure transmitter 17 is by the temperature in temperature adjusting chamber 13, force value delivers to Temperature displaying panel 18 by transmission line 20 and pressure display panel 19 shows, optic flow sensor 2 with tail optical fiber 1 is put into temperature adjusting chamber 13, injected clear water to 2/3 place in temperature adjusting chamber 13, screwing hermetic plug 12, open tunable pump 5, water in temperature adjusting chamber 13 is flowed out by rising pipe 4 to be injected in electric heating tube 3 through tunable pump 5 and water injection pipe 6, temperature adjusting chamber 13 is injected into by adding overheated water through water filling port 7, temperature adjusting chamber 13 realizes temperature being controlled in test desired location, keep tunable pump 5 continuous firing.Force (forcing) pump 8 injects air by force pipe 9 to temperature adjusting chamber 13, make pressure increase in temperature adjusting chamber 13, regulate dropping valve 11, pressure in temperature adjusting chamber 13 is made to remain on special value by relief tube 10 constant, regulate tunable pump 5, temperature adjusting chamber 13 recirculated water rate of circulation can be made different, thus obtain different flow values, institute's flow measurement value is delivered to (FBG) demodulator 16 through tail optical fiber 1 by optic flow sensor 2, different temperatures down-off demodulation result exports by (FBG) demodulator 16, can obtain the flow value under specified pressure and different temperatures environment.
Be understandable that, above about specific descriptions of the present invention, the technical scheme described by the embodiment of the present invention is only not limited to for illustration of the present invention, those of ordinary skill in the art is to be understood that, still can modify to the present invention or equivalent replacement, to reach identical technique effect; Needs are used, all within protection scope of the present invention as long as meet.
Claims (1)
1. a high temperature optical fiber flow sensor detection system, comprises high temperature high voltage resistant protective sleeve (15), inner casing (14) and temperature adjusting chamber (13), it is characterized in that: in high temperature high voltage resistant protective sleeve (15), be provided with inner casing (14), electric heating tube (3) is provided with between high temperature high voltage resistant protective sleeve (15) and inner casing (14), temperature adjusting chamber (13) is provided with in inner casing (14), the opening of high temperature high voltage resistant protective sleeve (15) and inner casing (14) upper end is by sealing-plug (12) sealing, temperature and pressure transmitter (17) is arranged in temperature adjusting chamber (13), temperature and pressure transmitter (17) is connected with pressure display panel (19) with Temperature displaying panel (18) respectively by transmission line (20), rising pipe (4) one end is inserted into temperature adjusting chamber (13) inner bottom part, the other end is connected with tunable pump (5), tunable pump (5), water injection pipe (6), electric heating tube (3), water filling port (7) is connected in turn, water filling port (7) extend into temperature adjusting chamber (13) internal upper part, one end of force pipe (9) and one end of relief tube (10) all extend into temperature adjusting chamber (13) internal upper part, force pipe (9) other end connects force (forcing) pump (8), relief tube (10) other end connects dropping valve (11), optic flow sensor (2) is arranged in temperature adjusting chamber (13), the tail optical fiber (1) of optic flow sensor (2) is connected with (FBG) demodulator (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310216261.2A CN103267560B (en) | 2013-06-03 | 2013-06-03 | High-temperature detecting system of optical fiber flow sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310216261.2A CN103267560B (en) | 2013-06-03 | 2013-06-03 | High-temperature detecting system of optical fiber flow sensor |
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| Publication Number | Publication Date |
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| CN103267560A CN103267560A (en) | 2013-08-28 |
| CN103267560B true CN103267560B (en) | 2015-07-01 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498790B (en) * | 2013-10-18 | 2016-01-06 | 中国石油化工股份有限公司 | Based on group of pump state monitoring method and the device of optical fiber grating sensing |
| CN104568310B (en) * | 2015-01-19 | 2017-11-17 | 北京大学 | High-temp pressure sensor test device |
| CN104807522B (en) * | 2015-04-21 | 2018-03-20 | 中国计量学院 | High-temperature gas flow measurement standard set-up and its detection method |
| CN108331564A (en) * | 2018-02-13 | 2018-07-27 | 新疆石油工程设计有限公司 | Integrated automatic well-selecting on-line proving water dispensing apparatus |
| CN110185434B (en) * | 2019-05-23 | 2023-03-17 | 张建华 | Measuring device and method for fluid injection or production distribution flow of oil-gas-water well |
| CN110067554B (en) * | 2019-06-06 | 2024-03-29 | 中油奥博(成都)科技有限公司 | Well three-component acoustic wave remote detection logging device and measurement method thereof |
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| US5197633A (en) * | 1992-01-21 | 1993-03-30 | Hines Industries, Inc. | Material metering apparatus |
| FR2694622A1 (en) * | 1992-08-06 | 1994-02-11 | Loos Gmbh Eisenwerk Theodor | Boiler water level detectors operation monitoring - using tube with escape valve to enclose detector and facilitate temporary local rise in water level |
| CN2929668Y (en) * | 2006-04-03 | 2007-08-01 | 丹东热工仪表有限公司 | Gas flow meter temperature regulation detection device |
| CN102168551A (en) * | 2011-01-19 | 2011-08-31 | 杨平 | Device and method for continuously measuring working fluid level depth of oil well and continuously metering produced liquid |
| CN102758605A (en) * | 2011-04-26 | 2012-10-31 | 中国石油化工股份有限公司 | Optical fiber test system fixed in oil well |
| CN102798444A (en) * | 2012-08-09 | 2012-11-28 | 丹东意邦计量仪器仪表有限公司 | High-pressure water injection meter detecting device |
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|---|---|---|---|---|
| DE602004016005D1 (en) * | 2003-08-11 | 2008-10-02 | Shell Int Research | METHOD FOR INSTALLING A DOUBLE-SIDED FIBER OPTIC SENSOR ASSEMBLY THROUGH A GUIDE SHELL |
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2013
- 2013-06-03 CN CN201310216261.2A patent/CN103267560B/en active Active
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| US5197633A (en) * | 1992-01-21 | 1993-03-30 | Hines Industries, Inc. | Material metering apparatus |
| FR2694622A1 (en) * | 1992-08-06 | 1994-02-11 | Loos Gmbh Eisenwerk Theodor | Boiler water level detectors operation monitoring - using tube with escape valve to enclose detector and facilitate temporary local rise in water level |
| CN2929668Y (en) * | 2006-04-03 | 2007-08-01 | 丹东热工仪表有限公司 | Gas flow meter temperature regulation detection device |
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| CN103267560A (en) | 2013-08-28 |
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Effective date of registration: 20190730 Address after: 100032 Liupuwei PetroChina Natural Gas Group Co., Ltd. Xicheng District, Beijing Co-patentee after: China National Petroleum Group Logging Co., Ltd. Patentee after: China Petroleum and Natural Gas Group Co., Ltd. Address before: 124010 Xinglongtai, Liaoning Province, oil street, No. 96, No. Patentee before: Chinese Petroleum Group Changcheng Drilling Engineering Co., Ltd. |
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