CN102979508B - Method for accurately measuring depth in through-bit well logging - Google Patents
Method for accurately measuring depth in through-bit well logging Download PDFInfo
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- CN102979508B CN102979508B CN201210492088.4A CN201210492088A CN102979508B CN 102979508 B CN102979508 B CN 102979508B CN 201210492088 A CN201210492088 A CN 201210492088A CN 102979508 B CN102979508 B CN 102979508B
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000003287 optical effect Effects 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 238000006073 displacement reaction Methods 0.000 claims abstract description 7
- 238000005553 drilling Methods 0.000 claims description 14
- 238000009434 installation Methods 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 claims description 3
- 239000011800 void material Substances 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000035800 maturation Effects 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
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- Length Measuring Devices By Optical Means (AREA)
Abstract
The method for accurately measuring the depth in the over-bit well logging comprises the following steps of: the elevator puts a drill rod, lifts the drill rod and pulls the drill rod to a wellhead drill rod, the hydraulic tongs are buckled, puts the drill rod down, puts slips, releases the elevator and lifts the elevator finally, speed sensors are arranged on the hydraulic tongs and the elevator to monitor the vibration of the two tools, when the vibration changes suddenly, the elevator embraces the drill rod and buckles the drill rod, the hook displacement is calculated after the hydraulic tongs are buckled until the elevator is released, and the distance is the depth of lowering the well; the grains of the logging large rope are detected through the optical pulse emitter and the optical pulse receiver, then the detected optical signals are converted into pulse signals, the obtained pulse codes are identified, the displacement value of the large hook during the period that the hydraulic tong is buckled to the release elevator is obtained, and the displacement value of the well descending depth is obtained. The method provided by the invention is simple to operate, high in measurement efficiency and more accurate in result.
Description
Technical field
The present invention relates to logging technique field, be specifically related to a kind of method crossing the Measurement accuracy degree of depth in drill bit well logging.
Background technology
Along with the development of logging technique, new method, new instrument are widely applied gradually.Recent years, drill-over logging technique attains maturation, crosses drill bit logging technique substantially instead of common well logging and well logging during, becomes logging operation common technology means.
In drilling well, well logging, crosses in drill bit well logging, all needs depth survey accurately, does not have the degree of depth accurately, measurement just few of meaning of downhole instrument.Traditional depth survey is all need by measuring diameter of restricting greatly, restricting the number of turns, diameter of cylinder on cylinder greatly, and multiple factor such as the position of the layer at current large rope place fathoms; And actual measurement intermediate roll sensor can only provide and turned this parameter of how many degree, and displacement will provide in conjunction with above-mentioned said parameters because need the parameter measured more, cause measuring efficiency and accuracy rate all lower, measure cost higher.
Method as herein described measures by measuring the upper lines of large rope, directly shift value can be obtained, because rope is worked out by multiply greatly, centre has scraggly lines, lines can be detected by optical transmitting set and optical receiver, then optical signal is converted into pulse signal, such pulse just can represent one section of nominal distance.Finally obtaining hook shift value by identification pulse code.
Summary of the invention
A kind of electromagnetic transmission method that the object of the invention is to propose logger information crosses the method for the Measurement accuracy degree of depth in drill bit well logging, solve drilling well, well logging and cross depth survey parameter in drill bit well logging more, program is complicated, and measures efficiency and the low problem of accuracy rate.
For reaching this object, the present invention by the following technical solutions:
Cross the method for the Measurement accuracy degree of depth in drill bit well logging, during logging operation, the action of lower drilling rod is successively: elevator put drilling rod, on carry drilling rod and move button on well mouth drill place, hydraulic tongs, lowering drill pipes to, put slips, release elevator and last upper lifting card, on hydraulic tongs and elevator, the vibrations of two instruments monitored by installation rate sensor, during vibrations sudden change, be elevator and embrace drilling rod and upper button, hydraulic tongs starts after complete button calculate hook displacement, till release elevator, this segment distance is the degree of depth of going into the well;
The lines of the large rope of well logging is detected by light pulse emission device and light pulse receiver, afterwards the optical signal recorded is converted into pulse signal, the pulse code obtained is identified, obtains the shift value of hook during button to release elevator on hydraulic tongs, and then draw the shift value of depth of falling well.
When detecting the large rope figure road of well logging, the light pulse receiver fixed by two light pulse emission devices and two spacing detects reflective power, to identify the space between two strand stocks; In large rope drawing process, calculated the actual range of large rope by counting void meter, determined the moving direction of large rope by the reception sequential of two light pulse receivers.
Described light pulse emission device launches a light pulse signal to the large rope figure road of target, export an electric impulse signal by light pulse receiver after feedback circuit, the electronic gate opened in circuit module produces pulse by the action of time oscillation device to start to count by counting circuit; Receiver is got back to after light pulse is reflected, receiver produces an electric pulse equally, close the pulse that electronic gate termination time oscillator produces to pass through, by measuring light pulse and arrive target and the umber of pulse turning back to receiving system by target diffusion just can calculating the corresponding time interval thus calculate target range.
Method of the present invention is measured by measuring the upper lines of large rope, directly shift value can be obtained, lines can be detected by optical transmitting set and optical receiver, then optical signal is converted into pulse signal, such pulse just can represent one section of nominal distance, finally obtaining hook shift value by identification pulse code, this method is simple to operate, and measurement efficiency is high, result is more accurate.
Accompanying drawing explanation
Fig. 1 is the module map of this optical pulse detection circuit theory;
Fig. 2 is optical pulse detection principle schematic.
In figure: 1, time oscillator; 2, light pulse emission device; 21, the first incident light; 22, the second incident light; 3, light pulse receiver; 31, the first retroreflection light; 32, the second retroreflection light; 4, feedback circuit; 5, circuit module; 6, display translation is counted; 7, to restrict greatly shallow bid; H, gap.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.
Cross the method for the Measurement accuracy degree of depth in drill bit well logging, during logging operation, the action of lower drilling rod is successively: elevator put drilling rod, on carry drilling rod and move button on well mouth drill place, hydraulic tongs, lowering drill pipes to, put slips, release elevator and last upper lifting card, on hydraulic tongs and elevator, the vibrations of two instruments monitored by installation rate sensor, during vibrations sudden change, be elevator and embrace drilling rod and upper button, hydraulic tongs starts after complete button calculate hook displacement, till release elevator, this segment distance is the degree of depth of going into the well.
As shown in Figure 1 and Figure 2, h is the gap between large rope two shallow bids.Two light pulse emission devices 2 and light pulse receiver 3 are set, two light pulse emission device 2 each spontaneous emission first incident lights 21 and the second incident light 22, corresponding two light pulse receivers receive the first retroreflection light 31 and the second retroreflection light 32 respectively afterwards, reflective power is detected to identify gap h between large rope two shallow bids by two each and every one light pulse emission devices and two light pulse receivers, between 2 light pulse receivers, spacing is fixed, in large rope drawing process, the sequential receiving retroreflection light by two light pulse receivers 3 is judged to restrict greatly the direction of movement.
The lines of the large rope of well logging is detected by light pulse emission device 2 and light pulse receiver 3, afterwards the optical signal recorded is converted into pulse signal, the pulse code obtained is identified, obtains the shift value of hook during button to release elevator on hydraulic tongs, and then draw the shift value of depth of falling well;
Concrete grammar is: a light pulse signal is launched on the large rope figure road of described light pulse emission device 2 pairs of targets, export an electric impulse signal by light pulse receiver 3 after feedback circuit 4, the electronic gate opened in circuit module 5 produces pulse by time oscillation device 1 action to start to count by counting circuit; Receiver is got back to after light pulse is reflected, receiver produces an electric pulse equally, close electronic gate termination time oscillator 1 pulse that produces pulse to pass through, by measuring light pulse and arrive target and the umber of pulse turning back to receiving system by target diffusion just can calculating the corresponding time interval thus calculate target range.
Method of the present invention is measured by measuring the upper lines of large rope, directly shift value can be obtained, lines can be detected by optical transmitting set and optical receiver, then optical signal is converted into pulse signal, such pulse just can represent one section of nominal distance, finally obtaining hook shift value by identification pulse code, this method is simple to operate, and measurement efficiency is high, result is more accurate.
Claims (2)
1. cross the method for the Measurement accuracy degree of depth in drill bit well logging, during logging operation, the action of lower drilling rod is successively: elevator put drilling rod, on carry drilling rod and move button on well mouth drill place, hydraulic tongs, lowering drill pipes to, put slips, release elevator and last upper lifting card, it is characterized in that:
On hydraulic tongs and elevator, the vibrations of two instruments monitored by installation rate sensor, during vibrations sudden change, be elevator and embrace drilling rod and upper button, hydraulic tongs starts after complete button calculate hook displacement, till release elevator, this segment distance is the degree of depth of going into the well;
The lines of the large rope of well logging is detected by light pulse emission device and light pulse receiver, afterwards the optical signal recorded is converted into pulse signal, the pulse code obtained is identified, obtains the shift value of hook during button to release elevator on hydraulic tongs, and then draw the shift value of depth of falling well;
When detecting the large rope figure road of well logging, the light pulse receiver fixed by two light pulse emission devices and two spacing detects reflective power, to identify the space between two strand stocks; In large rope drawing process, calculated the actual range of large rope by counting void meter, determined the moving direction of large rope by the reception sequential of two light pulse receivers.
2. the method crossing the Measurement accuracy degree of depth in drill bit well logging according to claim 1, is characterized in that:
Described light pulse emission device launches a light pulse signal to the large rope figure road of target, export an electric impulse signal by light pulse receiver after feedback circuit, the electronic gate opened in circuit module produces pulse by the action of time oscillation device to start to count by counting circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210492088.4A CN102979508B (en) | 2012-11-27 | 2012-11-27 | Method for accurately measuring depth in through-bit well logging |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210492088.4A CN102979508B (en) | 2012-11-27 | 2012-11-27 | Method for accurately measuring depth in through-bit well logging |
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| CN102979508A CN102979508A (en) | 2013-03-20 |
| CN102979508B true CN102979508B (en) | 2015-10-28 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295288B (en) * | 2014-10-14 | 2017-02-01 | 四川航天电液控制有限公司 | petroleum drilling well depth measuring system and method |
| CN104594882B (en) * | 2014-12-10 | 2017-08-04 | 重庆地质仪器厂 | One kind well logging direction discernment circuit |
| CN106194153B (en) * | 2015-05-06 | 2019-06-11 | 中国石油天然气股份有限公司 | Cross drilling tool logging method and system |
| CN109357730A (en) * | 2018-10-23 | 2019-02-19 | 西南交通大学 | A kind of liquid level detection system based on Electromagnetic Wave Method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3643504A (en) * | 1969-08-29 | 1972-02-22 | Texaco Inc | System for borehole depth and tool position measurements |
| CN2163862Y (en) * | 1993-01-09 | 1994-05-04 | 山东铝厂 | Drilling depth indicator for submerged hole drills |
| CN2288267Y (en) * | 1996-04-30 | 1998-08-19 | 王耀祖 | Automatic recorder for depth of falling well |
| CN2373566Y (en) * | 1998-06-18 | 2000-04-12 | 文必用 | Intelligent instrument for deep of well drilling |
| CN2799860Y (en) * | 2005-05-26 | 2006-07-26 | 长沙中联重工科技发展股份有限公司 | Rotary drilling rig bit depth detector |
-
2012
- 2012-11-27 CN CN201210492088.4A patent/CN102979508B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3643504A (en) * | 1969-08-29 | 1972-02-22 | Texaco Inc | System for borehole depth and tool position measurements |
| CN2163862Y (en) * | 1993-01-09 | 1994-05-04 | 山东铝厂 | Drilling depth indicator for submerged hole drills |
| CN2288267Y (en) * | 1996-04-30 | 1998-08-19 | 王耀祖 | Automatic recorder for depth of falling well |
| CN2373566Y (en) * | 1998-06-18 | 2000-04-12 | 文必用 | Intelligent instrument for deep of well drilling |
| CN2799860Y (en) * | 2005-05-26 | 2006-07-26 | 长沙中联重工科技发展股份有限公司 | Rotary drilling rig bit depth detector |
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| CN102979508A (en) | 2013-03-20 |
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Effective date of registration: 20180124 Address after: 300356 24, Tianjin Industrial Park, eight Li Town, Jinnan District, Jianshe Road Patentee after: (Tianjin) Petroleum Engineering Technology Service Co., Ltd. Address before: 100070 Beijing city Fengtai District Haiying Road No. 1 Building No. 4 Hospital East first floor Patentee before: Jiai Technology (Beijing) Co., Ltd. |
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Address after: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee after: Ji AI (Tianjin) Petroleum Engineering Co., Ltd. Address before: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee before: (Tianjin) Petroleum Engineering Technology Service Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder | ||
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Address after: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee after: Jiai (Tianjin) automatic control intelligent equipment Co.,Ltd. Address before: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee before: JIAI (TIANJIN) PETROLEUM ENGINEERING Co.,Ltd. |
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Address after: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee after: Jichen Intelligent Equipment Group Co.,Ltd. Address before: 300356 Tianjin Jinnan District eight Li Tai town Industrial Park No. 24 Jianshe Road. Patentee before: Jiai (Tianjin) automatic control intelligent equipment Co.,Ltd. |