CN102287179A - Well-flushing storage type underground video detection device - Google Patents
Well-flushing storage type underground video detection device Download PDFInfo
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- CN102287179A CN102287179A CN2011100937576A CN201110093757A CN102287179A CN 102287179 A CN102287179 A CN 102287179A CN 2011100937576 A CN2011100937576 A CN 2011100937576A CN 201110093757 A CN201110093757 A CN 201110093757A CN 102287179 A CN102287179 A CN 102287179A
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Abstract
The invention provides a well-flushing storage type underground video detection device. An image pickup and illumination circuit arranged in the well-flushing storage type underground video detection device is used for illumination and video signal detection, a video collection and processing and storage circuit carries out collection and processing on the video signals and stores the video signals into the video collection and collection and storage circuit, a pressure difference type magnetic induction signal driving mechanism and a driving circuit drive the well-flushing storage type underground video detection device to work, a data playback interface circuit receives the collected and processed video signals and completes the data transmission of the well-flushing storage type underground video detection device to the ground, and a well flushing passage realizes the synchronous proceeding of the well tube detection and the well flushing. The technical difficulty problem that the underground video detection cannot be carried out on horizontal wells, high inclination wells and the like is solved, in addition, the well-flushing storage type underground video detection device has a well flushing function, and the use is convenient.
Description
Technical field
The present invention relates to down-hole video checkout gear, particularly relate to a kind of washing well memory-type down-hole video checkout gear.
Background technology
For a long time, down-hole video checkout gear is the hot issue of research always, yet traditional down-hole video checkout gear only can be applied to straight well, for the well of other shape, for example horizontal well, high angle hole, traditional down-hole video checkout gear relies on deadweight to be lowered to, and the synchronous well-flushing of down-hole video detection needs, and general down-hole video checkout gear does not have the well-flushing function, well-flushing needs supporting Flushing tubular column, and this brings very big inconvenience in actual applications.We have invented the new washing well memory-type down-hole video checkout gear of a cover for this reason, have solved these technical barriers.
Summary of the invention
The purpose of this invention is to provide and a kind ofly can be applicable to various wells such as horizontal well, high angle hole, and carry the washing well memory-type down-hole video checkout gear of well-flushing function.
Purpose of the present invention can realize by following technical measures: a kind of washing well memory-type down-hole video checkout gear, this washing well memory-type down-hole video checkout gear comprises shooting and lighting circuit, video acquisition and processing and memory circuit, differential magnetic induction signal driving structure and drive circuit, data readback interface circuit and well-flushing passage, this shooting and lighting circuit are used for illumination and survey vision signal, this video acquisition and processing and memory circuit carry out acquisition process with this vision signal, and be stored in this video acquisition and processing and the memory circuit, this differential magnetic induction signal driving structure and drive circuit drive this washing well memory-type down-hole video checkout gear work, this data readback interface circuit receives this vision signal through acquisition process, finish this washing well memory-type down-hole video checkout gear transfer of data earthward, this well-flushing passage is used for well-flushing, has realized that pit shaft detects and well-flushing carries out synchronously.
Purpose of the present invention also can realize by following technical measures:
This washing well memory-type down-hole video checkout gear comprises that also high-temperature battery provides energy.
It is placed in the middle that this washing well memory-type down-hole video checkout gear comprises that also following centralizer and last centralizer guarantee that this washing well memory-type down-hole video checkout gear is lowered to the pit shaft process.
This shooting and lighting circuit comprise video camera pressure-bearing eyeglass, downhole intelligent light-source illuminating system pressure-bearing eyeglass, downhole intelligent light-source illuminating system, video camera, video camera vacuum flask and following absorber, this downhole intelligent light-source illuminating system is used for illumination, this video camera is surveyed this vision signal, this video camera pressure-bearing eyeglass and this downhole intelligent light-source illuminating system pressure-bearing eyeglass have high hydraulic pressure of carrying and printing opacity effect, and this video camera vacuum flask and this time absorber make this video camera high temperature resistant.
This downhole intelligent light-source illuminating system adopts array LED and lens to constitute light source, in order to satisfy the video high-definition effect, adopt gradation of image to estimate circuit, the single frames of predetermined time interval is gathered image carry out gray analysis, immediately adjust light-source brightness according to analysis result, guarantee that acquisition environment illumination is saturated.
This washing well memory-type down-hole video checkout gear comprises that also baffle plate is used for structure and blocks greasy dirt, protects this video camera pressure-bearing eyeglass and this downhole intelligent light-source illuminating system pressure-bearing eyeglass.
This differential magnetic induction signal driving structure and drive circuit comprise lock ball, magnetic induction coil, kicker magnet and back-moving spring, this washing well memory-type down-hole video checkout gear pumps into clear water by ground, when liquid passes through the well-flushing passage, the generation pressure reduction that dams, promote to move behind the urceolus of this washing well memory-type down-hole video checkout gear, after being opened, moves on this baffle plate, the front end of eliminating this video camera and this downhole intelligent light-source illuminating system blocks, enter acquisition mode, and be fixed on this kicker magnet servo-actuated on this urceolus, produce induced electromotive force at this magnetic induction coil place, amplify this video acquisition of rear drive and processing and memory circuit work through signal, after moving certain distance behind this urceolus, this back-moving spring is compressed, finally by this lock ball locking.
This washing well memory-type down-hole video checkout gear also comprises filter, is used to filter the clear water that pumps into.
This washing well memory-type down-hole video checkout gear comprises that also temperature pick up carries out the detection of temperature in wellbore numerical value.
This video acquisition and processing and memory circuit comprise array memory, circuit vacuum flask and last absorber, this array memory is used for this vision signal that storage of collected was handled, and absorber makes this video acquisition and processing and memory circuit high temperature resistant to this circuit vacuum flask with being somebody's turn to do upward.
Washing well memory-type down-hole video checkout gear among the present invention, can be applied to horizontal well, high angle hole, straight well and uncased wellbore detects, can make science judgment to pit shaft breakage, distortion, bad break and the bore hole borehole wall, can make qualitative evaluation to production pit shaft production fluid, vaporous condition simultaneously, and possess storage and well-flushing function.
Description of drawings
Fig. 1 is the phantom drawing of the latter half of washing well memory-type of the present invention down-hole video checkout gear;
Fig. 2 is the phantom drawing of the first half of washing well memory-type down-hole video checkout gear shown in Figure 1.
The specific embodiment
For above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, cited below particularlyly go out preferred embodiment, and cooperate appended graphicly, be described in detail below.
As depicted in figs. 1 and 2, Fig. 1 is the phantom drawing of the latter half of washing well memory-type of the present invention down-hole video checkout gear, and Fig. 2 is the phantom drawing of the first half of washing well memory-type down-hole video checkout gear shown in Figure 1.This washing well memory-type down-hole video checkout gear is by baffle plate 1, video camera pressure-bearing eyeglass 2, downhole intelligent light-source illuminating system pressure-bearing eyeglass 3, downhole intelligent light-source illuminating system 4, video camera 5, video camera vacuum flask 6, following absorber 7, well-flushing passage 8, lock ball 9, magnetic induction coil 10, kicker magnet 11, back-moving spring 12, following centralizer 13, temperature pick up 14, last absorber 15, video acquisition and processing and memory circuit 16, circuit vacuum flask 17, urceolus 18, high-temperature battery 19, data readback interface circuit 20, filter 21 and last centralizer 22 are formed.Wherein, video camera pressure-bearing eyeglass 2, downhole intelligent light-source illuminating system pressure-bearing eyeglass 3, downhole intelligent light-source illuminating system 4, video camera 5, video camera vacuum flask 6 and following absorber 7 have been formed shooting and lighting circuit.Lock ball 9, magnetic induction coil 10, kicker magnet 11 and back-moving spring 12 have been formed differential magnetic induction signal driving structure and drive circuit.
This washing well memory-type down-hole video checkout gear adopts 4 illuminations of downhole intelligent light-source illuminating system, video camera 5 is surveyed, video acquisition and processing and memory circuit 16 carry out collection, processing, the storage of video data, and data readback interface circuit 20 is used for the technology of ground playback process achievement data.Particularly, downhole intelligent light-source illuminating system 4 adopts the intense light source illumination, and adjustable light source brightness, guarantees that acquisition environment illumination is saturated; For preventing downhole video cameras and light source, adopted self-constriction baffle plate 1 structure to block greasy dirt, the downhole intelligent light-source illuminating system pressure-bearing eyeglass 3 and the video camera pressure-bearing eyeglass 2 of protection shooting and lighting circuit by the crude oil pickup; Video camera pressure-bearing eyeglass 2 and downhole intelligent light-source illuminating system pressure-bearing eyeglass 3 have the high hydraulic pressure of carrying, and the printing opacity effect; This washing well memory-type down-hole video checkout gear is surveyed vision signal by video camera 5, is stored in the array memory of video acquisition and processing and memory circuit 16 after video acquisition and processing and this vision signal of memory circuit 16 acquisition process; In order to realize the start-up control after washing well memory-type down-hole video checkout gear is lowered to the precalculated position, adopted differential magnetic induction signal driving structure and drive circuit to drive this washing well memory-type down-hole video checkout gear work, this differential magnetic induction signal driving structure and drive circuit are beaten hydraulic pressure by ground, in the anterior well-flushing passage 8 of washing well memory-type down-hole video checkout gear, produce pressure reduction, move after forcing urceolus 18, realize two synchronization actions, the one, move after shooting and the self-constriction baffle plate 1 that shields of lighting circuit opened, eliminate video camera 5 and downhole intelligent light-source illuminating system 4 front ends and block, enter acquisition mode; The 2nd, be fixed on kicker magnet 11 servo-actuateds on the urceolus 18, produce induced electromotive force at magnetic induction coil 10 places, amplify rear drive whole video collection and processing and memory circuit 16 through signal and start working; Data readback interface circuit 20 has terrestrial interface, receives this vision signal through acquisition process, finishes this washing well memory-type down-hole video checkout gear transfer of data earthward; Washing well memory-type down-hole video checkout gear has also adopted well-flushing passage 8, realizes that pit shaft detects and well-flushing carries out synchronously.
In actual applications, this washing well memory-type down-hole video checkout gear connects plain tubing and is lowered to pit shaft, following centralizer 13 and this washing well memory-type down-hole video detection of last centralizer 22 assurances are loaded into the process pit shaft placed in the middle, and this moment, this washing well memory-type down-hole video checkout gear did not enter duty; This washing well memory-type down-hole video checkout gear is transferred to desired depth, ground pumps into clear water, when liquid passes through well-flushing passage 8, the generation pressure reduction that dams, promote to move behind the urceolus 18, move after the baffle plate of self-constriction simultaneously 1 opens, eliminate video camera 5 and downhole intelligent light-source illuminating system 4 front ends and block, enter acquisition mode; Be fixed on kicker magnet 11 servo-actuateds on the urceolus 18, produce induced electromotive force at magnetic induction coil 10 places, amplify rear drive whole video collection and processing and memory circuit 16 through signal and start working, move certain distance behind the urceolus 18 after, back-moving spring 12 is compressed, finally by lock ball 9 lockings; Video camera 5 is surveyed vision signal, and vision signal is stored in the array memory of whole video collection and processing and memory circuit 16 after video acquisition and processing and memory circuit 16 acquisition process; Downhole intelligent light-source illuminating system 4 adopts array LED and lens to constitute intense light source, in order to satisfy the video high-definition effect, adopt gradation of image to estimate circuit, the single frames of predetermined time interval is gathered image carry out gray analysis, immediately adjust the brightness of intense light source according to analysis result, guarantee that acquisition environment illumination is saturated; Temperature pick up 14 is finished the detection of temperature in wellbore numerical value; Filter 21 is used to filter the clear water that pumps into, and the granule foreign in the clear water is filtered; Video camera 5 has adopted video camera vacuum flask 6, absorber 7 is realized high temperature resistant down; Video acquisition and processing and memory circuit 16 have adopted circuit vacuum flask 17, upward absorber 15 is realized high temperature resistant; High-temperature battery 19 provides energy, for complete machine provides the electric power support; Data readback interface circuit 20 its interfaces receive this vision signal through acquisition process, finish this washing well memory-type down-hole video checkout gear transfer of data earthward.
Claims (10)
1. washing well memory-type down-hole video checkout gear, it is characterized in that, this washing well memory-type down-hole video checkout gear comprises shooting and lighting circuit, video acquisition and processing and memory circuit, differential magnetic induction signal driving structure and drive circuit, data readback interface circuit and well-flushing passage, this shooting and lighting circuit are used for illumination and survey vision signal, this video acquisition and processing and memory circuit carry out acquisition process with this vision signal, and be stored in this video acquisition and processing and the memory circuit, this differential magnetic induction signal driving structure and drive circuit drive this washing well memory-type down-hole video checkout gear work, this data readback interface circuit receives this vision signal through acquisition process, finish this washing well memory-type down-hole video checkout gear transfer of data earthward, this well-flushing passage is used for well-flushing, has realized that pit shaft detects and well-flushing carries out synchronously.
2. washing well memory-type according to claim 1 down-hole video checkout gear is characterized in that, this washing well memory-type down-hole video checkout gear comprises that also high-temperature battery provides energy.
3. washing well memory-type according to claim 1 down-hole video checkout gear, it is characterized in that it is placed in the middle that this washing well memory-type down-hole video checkout gear comprises that also following centralizer and last centralizer guarantee that this washing well memory-type down-hole video checkout gear is lowered to the pit shaft process.
4. washing well memory-type according to claim 1 down-hole video checkout gear, it is characterized in that, this shooting and lighting circuit comprise video camera pressure-bearing eyeglass, downhole intelligent light-source illuminating system pressure-bearing eyeglass, the downhole intelligent light-source illuminating system, video camera, video camera vacuum flask and following absorber, this downhole intelligent light-source illuminating system is used for illumination, this video camera is surveyed this vision signal, this video camera pressure-bearing eyeglass and this downhole intelligent light-source illuminating system pressure-bearing eyeglass have high hydraulic pressure of carrying and printing opacity effect, and this video camera vacuum flask and this time absorber make this video camera high temperature resistant.
5. washing well memory-type according to claim 4 down-hole video checkout gear, it is characterized in that, this downhole intelligent light-source illuminating system adopts array LED and lens to constitute light source, in order to satisfy the video high-definition effect, adopt gradation of image to estimate circuit, the single frames of predetermined time interval is gathered image carry out gray analysis, adjust light-source brightness immediately, guarantee that acquisition environment illumination is saturated according to analysis result.
6. washing well memory-type according to claim 4 down-hole video checkout gear; it is characterized in that; this washing well memory-type down-hole video checkout gear comprises that also baffle plate is used to block greasy dirt, protects this video camera pressure-bearing eyeglass and this downhole intelligent light-source illuminating system pressure-bearing eyeglass.
7. washing well memory-type according to claim 6 down-hole video checkout gear, it is characterized in that, this differential magnetic induction signal driving structure and drive circuit comprise lock ball, magnetic induction coil, kicker magnet and back-moving spring, this washing well memory-type down-hole video checkout gear pumps into clear water by ground, when liquid passes through the well-flushing passage, the generation pressure reduction that dams, promote to move behind the urceolus of this washing well memory-type down-hole video checkout gear, after being opened, moves on this baffle plate, the front end of eliminating this video camera and this downhole intelligent light-source illuminating system blocks, enter acquisition mode, and be fixed on this kicker magnet servo-actuated on this urceolus, produce induced electromotive force at this magnetic induction coil place, amplify this video acquisition of rear drive and processing and memory circuit work through signal, after moving certain distance behind this urceolus, this back-moving spring is compressed, finally by this lock ball locking.
8. washing well memory-type according to claim 7 down-hole video checkout gear is characterized in that, this washing well memory-type down-hole video checkout gear also comprises filter, is used to filter the clear water that pumps into.
9. washing well memory-type according to claim 1 down-hole video checkout gear is characterized in that, this washing well memory-type down-hole video checkout gear comprises that also temperature pick up carries out the detection of temperature in wellbore numerical value.
10. washing well memory-type according to claim 1 down-hole video checkout gear, it is characterized in that, this video acquisition and processing and memory circuit comprise array memory, circuit vacuum flask and last absorber, this array memory is used for this vision signal that storage of collected was handled, and absorber makes this video acquisition and processing and memory circuit high temperature resistant to this circuit vacuum flask with being somebody's turn to do upward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110093757.6A CN102287179B (en) | 2011-04-14 | 2011-04-14 | Well-flushing storage type underground video detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110093757.6A CN102287179B (en) | 2011-04-14 | 2011-04-14 | Well-flushing storage type underground video detection device |
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| CN102287179A true CN102287179A (en) | 2011-12-21 |
| CN102287179B CN102287179B (en) | 2014-03-12 |
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| CN201110093757.6A Active CN102287179B (en) | 2011-04-14 | 2011-04-14 | Well-flushing storage type underground video detection device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747166A (en) * | 2013-12-31 | 2015-07-01 | 中国石油天然气股份有限公司 | Clean-water pumping type downhole camera testing method |
| CN104747167A (en) * | 2013-12-31 | 2015-07-01 | 中国石油天然气股份有限公司 | Clear water pressing type contamination-resisting downhole video camera |
| CN105239996A (en) * | 2014-06-10 | 2016-01-13 | 中国石油天然气股份有限公司 | Anti-staining type camera short piece with rear turbine and underground photography instrument |
| CN105317422A (en) * | 2015-11-18 | 2016-02-10 | 中石化石油工程技术服务有限公司 | Underground visual probing equipment and method |
| CN115853498A (en) * | 2023-02-16 | 2023-03-28 | 武汉中岩科技股份有限公司 | Novel downthehole TV detects device |
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| CN2585255Y (en) * | 2002-12-18 | 2003-11-05 | 中国科学院西安光学精密机械研究所 | TV camera head used in well |
| JP3903453B2 (en) * | 1998-11-30 | 2007-04-11 | 西日本技術開発株式会社 | Boring hole imaging device |
| CN101963054A (en) * | 2009-07-21 | 2011-02-02 | 杨龙飞 | Underground synchronous developing and imaging device and use method thereof |
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| GB360523A (en) * | 1930-08-19 | 1931-11-12 | Sperry Sun Well Surveying Co | Well surveying devices |
| JP3903453B2 (en) * | 1998-11-30 | 2007-04-11 | 西日本技術開発株式会社 | Boring hole imaging device |
| CN2585255Y (en) * | 2002-12-18 | 2003-11-05 | 中国科学院西安光学精密机械研究所 | TV camera head used in well |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747166A (en) * | 2013-12-31 | 2015-07-01 | 中国石油天然气股份有限公司 | Clean-water pumping type downhole camera testing method |
| CN104747167A (en) * | 2013-12-31 | 2015-07-01 | 中国石油天然气股份有限公司 | Clear water pressing type contamination-resisting downhole video camera |
| CN104747167B (en) * | 2013-12-31 | 2017-10-17 | 中国石油天然气股份有限公司 | A kind of clear water suppresses soil resistant formula downhole imaging instrument |
| CN104747166B (en) * | 2013-12-31 | 2017-11-07 | 中国石油天然气股份有限公司 | A kind of clear water pressing type downhole imaging instrument method of testing |
| CN105239996A (en) * | 2014-06-10 | 2016-01-13 | 中国石油天然气股份有限公司 | Anti-staining type camera short piece with rear turbine and underground photography instrument |
| CN105239996B (en) * | 2014-06-10 | 2018-02-02 | 中国石油天然气股份有限公司 | A kind of rearmounted turbine soil resistant formula camera pipe nipple and downhole imaging instrument |
| CN105317422A (en) * | 2015-11-18 | 2016-02-10 | 中石化石油工程技术服务有限公司 | Underground visual probing equipment and method |
| CN115853498A (en) * | 2023-02-16 | 2023-03-28 | 武汉中岩科技股份有限公司 | Novel downthehole TV detects device |
| CN115853498B (en) * | 2023-02-16 | 2023-06-16 | 武汉中岩科技股份有限公司 | Novel downthehole TV detects device |
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| CN102287179B (en) | 2014-03-12 |
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