CN204827417U - Optical fiber sensor monitors with installation fixing device in pit - Google Patents
Optical fiber sensor monitors with installation fixing device in pit Download PDFInfo
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- CN204827417U CN204827417U CN201520444739.1U CN201520444739U CN204827417U CN 204827417 U CN204827417 U CN 204827417U CN 201520444739 U CN201520444739 U CN 201520444739U CN 204827417 U CN204827417 U CN 204827417U
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Abstract
Optical fiber sensor monitors with installation fixing device in pit includes by the lower supreme oil pipe nipple joint A who connects gradually, sealing drum and oil pipe nipple joint B, and the perforating hole A at oil pipe nipple joint A center is the eccentric orfice, is equipped with inner groovy A in one side of the skew perforating hole A of oil pipe nipple joint A's side outer surface of the wall, is equipped with the cable inclined hole in inner groovy A's upper end position, wears cable inclined hole intercommunication inner groovy A and oil pipe nipple joint A's upper end hickey, install the hole and overlap for the cable of eccentric orfice is fixed in the sealing drum, bias above that is equipped with the cable through -hole on the lateral wall of eccentric orfice, wears the lower port of cable through -hole and the last port butt joint of wearing the cable inclined hole, the perforating hole B at oil pipe nipple joint B center is the eccentric orfice, is equipped with inner groovy B in the bias of oil pipe nipple joint B's side outer surface of the wall in one side of perforating hole B, is equipped with upper segment through cables hole and hypomere through cables hole, the lower port of hypomere through cables hole and the last port butt joint of wearing the cable through -hole respectively in inner groovy B's upper and lower both ends position. This installation fixing device has realized the reliable installation of sensor.
Description
Technical field
The utility model relates to underground monitoring technical field, particularly Fibre Optical Sensor underground monitoring fixing device for installing.
Background technology
Oil development downhole detection is periodically a kind of or planned activity, logging method is according to the difference of measuring object and application, be divided into flow rate log, temperature logging, pressure detection well, fluid identification well logging, reservoir surveillance well logging and cable formation testing, the object of detection is to understand and grasp the current or stochastic regime in down-hole.Wherein, flow rate log is most widely used is at present turbine flowmeter well logging and core flowmeter logging, and be secondly radioactive tracer logging and Oxygen Activation Water Flow Logging, electromagnetic flowmeter, thermally induced flow gauge only use under some particular cases.The feature of flow rate log, by measuring the physical quantity relevant with flowing velocity, obtains flow or the relative discharge of borehole fluid indirectly.Temperature logging is with cable by temperature measuring set G.I.H, the well temperature of a certain degree of depth of surveying record or the variations in temperature along well profile.Pressure detection well be with cable by pressure gauge G.I.H, not only can measure flowing pressure and the static pressure of well inner fluid, also can measure pressure and the change thereof of stratum inner fluid, assay oil well production situation and oil reservoir nature of production.
Above-mentioned various logging method, owing to being interim periodic detection, needing the statistical analysis according to testing result over the years and needs correlation experience, making the continuity to subsurface information, systematicness and integrality and estimate judgement.Due to himself defect, as intermittence well logging, extreme environment tolerance is poor, somewhat expensive, operational danger is large, is difficult to pinpoint the problems in time, accurately, and is not suitable for high angle hole, long horizontal well and deep well etc., can not Production requirement be met far away, particularly can not meet the demand of digitlization oil reservoir.
At present, the most promising logging mode is optical fiber logging mode, and it takes full advantage of the advantage of Fibre Optical Sensor, has certainty of measurement high, and signal response speed is fast, not charged, not by electromagnetic interference; Operating temperature is high, can up to 300 DEG C; High temperature high voltage resistant, corrosion-resistant, long transmission distance, can reach dozens of kilometres; Can connect, realize hierarchical monitor; Permanent type real time on-line monitoring; Realize distribution monitoring; The many advantages of temperature, the pressure even integrated monitor of flow etc. can be realized, can dynamically carry out effective monitoring continuously to Reservoir Development.
Realize the well logging of above-mentioned optical fiber, key is that Fibre Optical Sensor is fixedly installed in down-hole reliably, therefore needs to improve existing underground structure, so that the installation of Fibre Optical Sensor is fixed.Need to ensure oil well normal operation to the improvement of underground structure, namely can not affect normal oil transportation work, mentioning and putting down of underground tool string can not be affected.
Summary of the invention
The utility model, for solving in known technology the technical problem that exists and under providing a kind of prerequisite not affecting oil well normal operation, can realize that sensor is reliably installed, Fibre Optical Sensor downhole monitoring fixing device for installing applied widely.
The technical scheme that the utility model is taked for the technical problem existed in solution known technology is:
Fibre Optical Sensor underground monitoring fixing device for installing, comprises the tubing nipple A, sealing drum and the tubing nipple B that connect successively from the bottom to top, tubing nipple A is connected with the oil pipe of bottom, tubing nipple B is connected with the oil pipe on top, packer assembly is provided with in the outside of sealing drum, tubing nipple A, sealing drum and tubing nipple B are placed in oil well casing, it is characterized in that: the both ends of described tubing nipple A are provided with coaxial threaded upper ends interface and lower end hickey, and threaded upper ends interface is internal thread interface, be provided with in connection at the center of tubing nipple A, the through hole A of lower two ends hickey, described through hole A is eccentric orfice, the side that the wall outer surface of tubing nipple A deviates from through hole A is provided with inner groovy A near the position at middle part, this inner groovy A forms sensor mounting groove, be provided with at the upper end position of inner groovy A and wear cable inclined hole, wear the threaded upper ends interface that cable inclined hole is communicated with inner groovy A and tubing nipple A, external screw joint is equipped with at the two ends of sealing drum, cable fixed cover is installed in sealing drum, the external surface of cable fixed cover and the inner hole wall of sealing drum are fitted, cable fixed cover endoporus is eccentric orfice, the sidewall that cable fixed cover deviates from eccentric orfice is provided with and wears cable through hole, the lower port of wearing cable through hole is docked with described upper port of wearing cable inclined hole, the both ends of described tubing nipple B are provided with coaxial upper end internal thread interface and lower end internal thread interface, be provided with in connection at the center of tubing nipple B, the through hole B of lower two ends internal thread interface, described through hole B is eccentric orfice, the side that the wall outer surface of tubing nipple B deviates from through hole B is provided with inner groovy B near the position at middle part, epimere through cables hole and hypomere through cables hole is respectively equipped with at the upper end position of inner groovy B and lower end position, wherein the lower port of epimere through cables hole is communicated with inner groovy B, the upper port of epimere through cables hole extends to the upper surface of tubing nipple B, the lower port of hypomere through cables hole is docked with the upper port of wearing cable through hole on cable fixed cover, the upper port of hypomere through cables hole is communicated with inner groovy B.
The advantage that the utility model has and good effect are:
1, this fixing device for installing by arranging inner groovy A on the sidewall of tubing nipple A, the space of installing optical fibres sensor is formed like this between inner groovy A and the inwall of down-hole casing, by Fibre Optical Sensor being fixed on the bottom surface of inner groovy A, Fibre Optical Sensor can being realized and be arranged on down-hole reliably.
2, this fixing device for installing is by being arranged on wearing cable inclined hole, be arranged on the hypomere through cables hole worn cable through hole and be arranged on tubing nipple B on cable fixed cover and epimere through cables hole on tubing nipple A, make signal cable successively through tubing nipple A, cable fixed cover and tubing nipple B, like this, the down-hole achieving signal cable is fixed, in addition, signal cable, after tubing nipple B, is upwards introduced in the annular space between oil pipe and oil well casing.
To sum up, owing to adopting above-mentioned fixing device for installing, Fibre Optical Sensor and signal cable are isolated in outside the oil transportation channel of oil well, like this, can not impact the oil transportation work of oil well, in addition, underground tool string can be mentioned freely and put down in oil transportation channel, and underground tool string can not produce and influence each other in the process mentioned and put down and between Fibre Optical Sensor and signal cable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
The A-A of Fig. 2 Fig. 1 cuts open zoomed-in view;
Fig. 3 is the structural representation of tubing nipple A;
Fig. 4 is the structural representation of tubing nipple B.
In figure: 1, tubing nipple A; 110, through hole A; 120, inner groovy A; 130, cable inclined hole is worn; 2, sealing drum; 3, tubing nipple B; 310, through hole B; 320, inner groovy B; 330, epimere through cables hole; 340, hypomere through cables hole; 4, cable fixed cover; 410, cable through hole is worn; 1 ', Fibre Optical Sensor; 2 ', signal cable.
Detailed description of the invention
For summary of the invention of the present utility model, Characteristic can be understood further, hereby exemplify following examples, and coordinate accompanying drawing to be described in detail as follows:
Refer to Fig. 1-4, Fibre Optical Sensor underground monitoring fixing device for installing, comprise the tubing nipple A1, sealing drum 2 and the tubing nipple B3 that connect successively from the bottom to top.Tubing nipple A is connected with the oil pipe of bottom, and tubing nipple B is connected with the oil pipe on top, is provided with packer assembly in the outside of sealing drum, and tubing nipple A, sealing drum and tubing nipple B are placed in oil well casing.
The both ends of above-mentioned tubing nipple A are provided with coaxial threaded upper ends interface and lower end hickey, and threaded upper ends interface is internal thread interface, be provided with the through hole A110 being communicated with upper/lower terminal hickey at the center of tubing nipple A, described through hole A is eccentric orfice.The wall outer surface of tubing nipple A departs from pass through and be provided with inner groovy A120 in the side of through hole A near the position at middle part, this inner groovy A forms sensor mounting groove.The size of inner groovy A and the degree of depth need to determine according to the size of the sensor of actual installation, as long as ensure that sensor can all be installed in groove, are not more than the wall outer surface of tubing nipple body.Be provided with at the upper end position of inner groovy A and wear cable inclined hole 130, wear the threaded upper ends interface that cable inclined hole is communicated with inner groovy A and tubing nipple A.Like this, be fixed on by Fibre Optical Sensor after in sensor mounting groove, the signal cable of sensor is upwards drawn by wearing cable inclined hole.
The two ends of above-mentioned sealing drum are equipped with external screw joint, and like this, the lower end external screw joint of sealing drum is formed with the upper end internal thread interface of above-mentioned tubing nipple A and is threaded.In sealing drum, be provided with cable fixed cover 4, the external surface of cable fixed cover and the inner hole wall of sealing drum are fitted, and cable fixed cover endoporus is eccentric orfice.The sidewall that cable fixed cover deviates from eccentric orfice is provided with and wears cable through hole 410, the lower port of wearing cable through hole is docked with above-mentioned upper port of wearing cable inclined hole.Can be incorporated into easily from the lower port of wearing cable through hole from the above-mentioned sensor signal cable wearing the extraction of cable inclined hole like this and wear in cable through hole.
The both ends of above-mentioned tubing nipple B are provided with coaxial upper end internal thread interface and lower end internal thread interface, and such tubing nipple B lower end internal thread interface is formed with the external screw joint of above-mentioned sealing drum upper end and is threaded.Be provided with the through hole B310 being communicated with upper/lower terminal hickey at the center of tubing nipple B, described through hole B is eccentric orfice.The side that the wall outer surface of tubing nipple B deviates from through hole B is provided with inner groovy B320 near the position at middle part.Epimere through cables hole 330 and hypomere through cables hole 340 is respectively equipped with at the upper end position of inner groovy B and lower end position.Wherein the lower port of epimere through cables hole is communicated with inner groovy B, the upper port of epimere through cables hole extends to the upper surface of tubing nipple B, the lower port of hypomere through cables hole is docked with the upper port of wearing cable through hole on cable fixed cover, and the upper port of hypomere through cables hole is communicated with inner groovy B.Like this, upwards pass hypomere through cables hole, inner groovy B and epimere through cables hole successively from the sensor signal cable wearing the extraction of cable through hole of cable fixed cover, and draw from the upper surface of tubing nipple B.The object arranging above-mentioned inner groovy B is: be convenient to signal cable from cable fixed cover wear in cable through hole through and formed with upper and lower signal cable and be connected.
Adopt above-mentioned fixing device for installing, the Fibre Optical Sensor 1 ' detected is fixed in the inner groovy A of tubing nipple A, by the signal cable 2 ' of connecting fiber sensor from the bottom to top successively through tubing nipple A wears cable inclined hole, cable fixed cover wears cable through hole, hypomere through cables hole on tubing nipple B, inner groovy B on tubing nipple B and the epimere through cables hole on tubing nipple B, then draw from the upper surface of tubing nipple A, finally by the ring cavity between the oil pipe above tubing nipple B and oil well casing, structure from bottom to up successively, be incorporated into aboveground always, realize the connection with aboveground monitoring equipment terminal, so just achieve the fixed installation of Fibre Optical Sensor in down-hole.Fibre Optical Sensor is fixedly mounted on down-hole, achieves the real time on-line monitoring of downhole temperature, pressure, flow.This fixing device for installing is that Fibre Optical Sensor normally works in down-hole, provides for a long time, stablizes, ensures reliably.
Claims (1)
1. Fibre Optical Sensor underground monitoring fixing device for installing, comprises the tubing nipple A, sealing drum and the tubing nipple B that connect successively from the bottom to top, tubing nipple A is connected with the oil pipe of bottom, tubing nipple B is connected with the oil pipe on top, packer assembly is provided with in the outside of sealing drum, tubing nipple A, sealing drum and tubing nipple B are placed in oil well casing, it is characterized in that: the both ends of described tubing nipple A are provided with coaxial threaded upper ends interface and lower end hickey, and threaded upper ends interface is internal thread interface, be provided with in connection at the center of tubing nipple A, the through hole A of lower two ends hickey, described through hole A is eccentric orfice, the side that the wall outer surface of tubing nipple A deviates from through hole A is provided with inner groovy A near the position at middle part, this inner groovy A forms sensor mounting groove, be provided with at the upper end position of inner groovy A and wear cable inclined hole, wear the threaded upper ends interface that cable inclined hole is communicated with inner groovy A and tubing nipple A, external screw joint is equipped with at the two ends of sealing drum, cable fixed cover is installed in sealing drum, the external surface of cable fixed cover and the inner hole wall of sealing drum are fitted, cable fixed cover endoporus is eccentric orfice, the sidewall that cable fixed cover deviates from eccentric orfice is provided with and wears cable through hole, the lower port of wearing cable through hole is docked with described upper port of wearing cable inclined hole, the both ends of described tubing nipple B are provided with coaxial upper end internal thread interface and lower end internal thread interface, be provided with in connection at the center of tubing nipple B, the through hole B of lower two ends internal thread interface, described through hole B is eccentric orfice, the side that the wall outer surface of tubing nipple B deviates from through hole B is provided with inner groovy B near the position at middle part, epimere through cables hole and hypomere through cables hole is respectively equipped with at the upper end position of inner groovy B and lower end position, wherein the lower port of epimere through cables hole is communicated with inner groovy B, the upper port of epimere through cables hole extends to the upper surface of tubing nipple B, the lower port of hypomere through cables hole is docked with the upper port of wearing cable through hole on cable fixed cover, the upper port of hypomere through cables hole is communicated with inner groovy B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444739.1U CN204827417U (en) | 2015-06-25 | 2015-06-25 | Optical fiber sensor monitors with installation fixing device in pit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520444739.1U CN204827417U (en) | 2015-06-25 | 2015-06-25 | Optical fiber sensor monitors with installation fixing device in pit |
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| CN204827417U true CN204827417U (en) | 2015-12-02 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443059A (en) * | 2015-12-29 | 2016-03-30 | 中国科学院武汉岩土力学研究所 | Method and device for allowing pipeline to penetrate through packer in geological storage of carbon dioxide |
| WO2018035840A1 (en) * | 2016-08-26 | 2018-03-01 | Hydril USA Distribution LLC | Transducer assembly for offshore drilling riser |
| CN110761775A (en) * | 2019-11-22 | 2020-02-07 | 中国石油大学胜利学院 | Oil reservoir information collecting device of oil production well in production |
| CN110863823A (en) * | 2019-11-22 | 2020-03-06 | 中国石油大学胜利学院 | Oil reservoir information collection method for oil production well in production |
| CN111175478A (en) * | 2019-12-26 | 2020-05-19 | 太原理工大学 | Intelligent oil filtering and monitoring system |
| CN113047782A (en) * | 2021-04-01 | 2021-06-29 | 中油奥博(成都)科技有限公司 | Protection method for optical fiber cable at external hoop position of horizontal well oil pipe |
-
2015
- 2015-06-25 CN CN201520444739.1U patent/CN204827417U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105443059A (en) * | 2015-12-29 | 2016-03-30 | 中国科学院武汉岩土力学研究所 | Method and device for allowing pipeline to penetrate through packer in geological storage of carbon dioxide |
| CN105443059B (en) * | 2015-12-29 | 2018-07-31 | 中国科学院武汉岩土力学研究所 | The method and device of traversing pipe line packer in carbon dioxide geologic sequestration |
| WO2018035840A1 (en) * | 2016-08-26 | 2018-03-01 | Hydril USA Distribution LLC | Transducer assembly for offshore drilling riser |
| US10982500B2 (en) | 2016-08-26 | 2021-04-20 | Hydril USA Distribution LLC | Transducer assembly for offshore drilling riser |
| CN110761775A (en) * | 2019-11-22 | 2020-02-07 | 中国石油大学胜利学院 | Oil reservoir information collecting device of oil production well in production |
| CN110863823A (en) * | 2019-11-22 | 2020-03-06 | 中国石油大学胜利学院 | Oil reservoir information collection method for oil production well in production |
| CN110761775B (en) * | 2019-11-22 | 2023-07-18 | 四川派盛通石油工程技术有限公司 | Oil reservoir information collecting device of oil production well in production |
| CN110863823B (en) * | 2019-11-22 | 2023-09-12 | 扬州川石石油机械科技有限责任公司 | Oil reservoir information collection method of oil extraction well in production |
| CN111175478A (en) * | 2019-12-26 | 2020-05-19 | 太原理工大学 | Intelligent oil filtering and monitoring system |
| CN113047782A (en) * | 2021-04-01 | 2021-06-29 | 中油奥博(成都)科技有限公司 | Protection method for optical fiber cable at external hoop position of horizontal well oil pipe |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151202 Termination date: 20210625 |
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| CF01 | Termination of patent right due to non-payment of annual fee |