CN103266887A - Instrument for measuring deep resistivity through wireless short-distance transmission signals and application method thereof - Google Patents
Instrument for measuring deep resistivity through wireless short-distance transmission signals and application method thereof Download PDFInfo
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- CN103266887A CN103266887A CN201310178187XA CN201310178187A CN103266887A CN 103266887 A CN103266887 A CN 103266887A CN 201310178187X A CN201310178187X A CN 201310178187XA CN 201310178187 A CN201310178187 A CN 201310178187A CN 103266887 A CN103266887 A CN 103266887A
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Abstract
The invention relates to a petroleum logging instrument, in particular to an instrument for measuring deep resistivity through wireless short-distance signals and an application method thereof. At least two annular receiving antennae are arranged at intervals in the axial direction of the upper portion of a drill collar of the instrument. Receiving modules are arranged on the annular receiving antennae and connected with a conversion module, and each of the receiving modules comprises an electromagnetic module, an electronic module, and a frequency tuner, wherein the electromagnetic module is used for processing electromagnetic signals sent to a tele-metering transmitter or electromagnetic signals from the tele-metering transmitter, and the electronic module is used for processing electrical signals sent to the tele-metering transmitter or electrical signals from the tele-metering transmitter. The conversion module comprises a storage device, a micro processor and a tele-metering module, wherein multidimensional transition diagrams are stored in the storage device, and the tele-metering module can perform signal communication with a ground operator. By means of the instrument, the stratum resistivity and environment conditions around a drill can be measured timely and accurately, and defects of delay and inaccuracy in measuring of environment information around the drill of prior resistivity logging instruments are overcome.
Description
Technical field:
The present invention relates to a kind of oil well logging instrument, particularly a kind of instrument and using method thereof by the dark resistivity of wireless short pass signal measurement.
Background technology:
The existing logging instrument that uses loop transmitters and receiver measured resistivity comprises emission unit and a pair of annular receiver be made up of three loop transmitters, and coaxial being installed on the drill collar is positioned at the top of screw rod, with the resistivity on stratum around measuring.Each loop transmitters has different side-play amounts with the mid point of annular receiver, thereby obtains different fathoming.But consider the confined space around the drill bit, above-mentioned resistivity tool should be positioned at the screw rod top.Therefore, resistivity tool will have delay to the measurement of the environmental information around the drill bit, can not guarantee the accuracy of resistivity measurement data.
Summary of the invention:
The technical problem to be solved in the present invention provides a kind of instrument and using method thereof by the dark resistivity of wireless short pass signal measurement, and this device has realized measuring timely and accurately drill bit formation resistivity and ambient conditions on every side.Overcome existing resistivity tool the measurement of the environmental information around the drill bit has been had delay, inaccurate deficiency.
The technical solution used in the present invention is: a kind of instrument by the dark resistivity of wireless short pass signal measurement, comprise drill collar, bit sensors and drill bit, and the drill collar lower end arranges bit sensors, and bit sensors is provided with telemetering transmiter; Be arranged at intervals with at least two loop receiving antennas in the drill collar upper axial, loop receiving antenna is provided with receiver module, receiver module is connected with modular converter, receiver module comprise processing to the electromagnetic signal of telemetering transmiter emission or from the electromagnetic module of the electromagnetic signal of telemetering transmiter, handle to the signal of telecommunication of telemetering transmiter emission or from electronic module and the frequency tuner of the signal of telecommunication of telemetering transmiter, modular converter comprises memory device, the microprocessor that stores the multidimensional transition diagram and can carry out the telemetry module that signal is communicated by letter with terrestrial operation person.
The number of loop receiving antenna is two, i.e. loop receiving antenna I and loop receiving antenna II.
Transmission link between loop receiving antenna and the receiver module is provided with frequency scanning equipment, and frequency estimator is connected with frequency scanning equipment with receiver module.
A kind of using method of the instrument by the dark resistivity of wireless short pass signal measurement, this method step is as follows: one, set up the multidimensional transition diagram, this transition diagram comprises that interval, the formation resistivity between signal frequency, telemetering transmiter and loop receiving antenna I and the loop receiving antenna II reaches the outflow electric current by the stratum between telemetering transmiter and loop receiving antenna I and the loop receiving antenna II; Two, detection signal frequency; Three, the outflow electric current between measurement telemetering transmiter and loop receiving antenna I and the loop receiving antenna II by checking the multidimensional transition diagram of setting up in advance, is converted to formation resistivity data with the outflow current data of measuring.
The invention has the beneficial effects as follows: the present invention is owing to utilize existing sensors as near the electromagnetic signal the drill bit and signal of telecommunication emitter, thus have measure timely and accurately drill bit on every side formation resistivity and the function of ambient conditions.
Description of drawings:
The present invention will be further described in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of receiver module.
Fig. 3 is the structural representation of modular converter.
Fig. 4 installs the structural representation of frequency scanning equipment and frequency estimator for the present invention.
The specific embodiment:
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, a kind of instrument by the dark resistivity of wireless short pass signal measurement comprises drill collar 1, bit sensors 4 and drill bit 6, and drill collar 1 lower end arranges bit sensors 4, and bit sensors 4 is provided with telemetering transmiter 5; Be arranged at intervals with two loop receiving antennas in drill collar 1 upper axial, be loop receiving antenna I 2 and loop receiving antenna II 3, loop receiving antenna is provided with receiver module 7, receiver module 7 is connected with modular converter 9, receiver module 7 comprises that processing is to the electromagnetic signal of telemetering transmiter 5 emission or from the electromagnetic module 10 of the electromagnetic signal of telemetering transmiter 5, processing is to the signal of telecommunication of telemetering transmiter 5 emission or from electronic module 11 and the frequency tuner 12 of the signal of telecommunication of telemetering transmiter 5, thereby frequency tuner 12 is used for regulating the existing drill bit emitter operating frequency of receiver module 7 operating frequencies coupling, and modular converter 9 comprises memory device 13, microprocessor 14 with can carry out the telemetry module 15 that signal is communicated by letter with terrestrial operation person.Microprocessor 14 can calculate electrical resistivity of earth layer around and controlled frequency tuner 12, memory device 13 stores the multidimensional transition diagram, and this transition diagram comprises formation resistivity, signal frequency, telemetering transmiter 5 and this is to the interval between the loop receiving antenna, measuring-signal.Transmission link between loop receiving antenna and the receiver module 7 is provided with frequency scanning equipment 8, and frequency estimator 16 is connected with frequency scanning equipment 8 with receiver module 7.Frequency sweep equipment 8 is by reading the signal amplitude in a series of frequencies, but can determine the frequency spectrum of the operational frequency bands of telemetering transmiter 5.Frequency estimator 16 can be selected frequency by identifying the frequency that has peak swing in a series of frequencies from frequency spectrum.
A kind of using method of the instrument by the dark resistivity of wireless short pass signal measurement, this method step is as follows: one, set up the multidimensional transition diagram, this transition diagram comprises interval, the formation resistivity between signal frequency, telemetering transmiter 5 and loop receiving antenna I 2 and the loop receiving antenna II 3 and passes through the outflow electric current on the stratum between telemetering transmiter 5 and loop receiving antenna I 2 and the loop receiving antenna II 3; Two, detection signal frequency, this signal frequency can be to receive signal frequency from terrestrial operation person, also can be to receive signal frequency from frequency estimator 16, but frequency estimator 16 are determined frequency according to the emission spectrum of the operational frequency bands of telemetering transmiter 5; Three, the outflow electric current between measurement telemetering transmiter 5 and loop receiving antenna I 2 and the loop receiving antenna II 3 by checking the multidimensional transition diagram of setting up in advance, is converted to formation resistivity data with the outflow current data of measuring.
Be understandable that, more than about specific descriptions of the present invention, only for the present invention being described and being not to be subject to the described technical scheme of the embodiment of the invention, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the present invention, to reach identical technique effect; Use needs as long as satisfy, all within protection scope of the present invention.
Claims (4)
1. the instrument by the dark resistivity of wireless short pass signal measurement comprises drill collar (1), bit sensors (4) and drill bit (6), and drill collar (1) lower end arranges bit sensors (4), and bit sensors (4) is provided with telemetering transmiter (5); It is characterized in that: be arranged at intervals with at least two loop receiving antennas in drill collar (1) upper axial, loop receiving antenna is provided with receiver module (7), receiver module (7) is connected with modular converter (9), receiver module (7) comprises that processing is to the electromagnetic signal of telemetering transmiter (5) emission or from the electromagnetic module (10) of the electromagnetic signal of telemetering transmiter (5), processing is to the signal of telecommunication of telemetering transmiter (5) emission or from electronic module (11) and the frequency tuner (12) of the signal of telecommunication of telemetering transmiter (5), modular converter (9) comprises the memory device (13) that stores the multidimensional transition diagram, microprocessor (14) with can carry out the telemetry module (15) that signal is communicated by letter with terrestrial operation person.
2. according to the described instrument by the dark resistivity of wireless short pass signal measurement of claim 1, it is characterized in that: the number of described loop receiving antenna is two, i.e. loop receiving antenna I (2) and loop receiving antenna II (3).
3. according to the described instrument by the dark resistivity of wireless short pass signal measurement of claim 1, it is characterized in that: the transmission link between described loop receiving antenna and the receiver module (7) is provided with frequency scanning equipment (8), and frequency estimator (16) is connected with frequency scanning equipment (8) with receiver module (7).
4. using method according to the described instrument by the dark resistivity of wireless short pass signal measurement of claim 2, it is characterized in that: this method step is as follows: one, set up the multidimensional transition diagram, this transition diagram comprises interval, the formation resistivity between signal frequency, telemetering transmiter (5) and loop receiving antenna I (2) and the loop receiving antenna II (3) and passes through the outflow electric current on the stratum between telemetering transmiter (5) and loop receiving antenna I (2) and the loop receiving antenna II (3); Two, detection signal frequency; Three, the outflow electric current between measurement telemetering transmiter (5) and loop receiving antenna I (2) and the loop receiving antenna II (3) by checking the multidimensional transition diagram of setting up in advance, is converted to formation resistivity data with the outflow current data of measuring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310178187.XA CN103266887B (en) | 2013-05-14 | 2013-05-14 | A kind of instrument by the dark resistivity of wireless short pass signal measurement and using method thereof |
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| CN201310178187.XA CN103266887B (en) | 2013-05-14 | 2013-05-14 | A kind of instrument by the dark resistivity of wireless short pass signal measurement and using method thereof |
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| CN103266887A true CN103266887A (en) | 2013-08-28 |
| CN103266887B CN103266887B (en) | 2015-11-18 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103643946A (en) * | 2013-12-16 | 2014-03-19 | 西南石油大学 | Dual-electrical-parameter logging instrument while drilling |
| CN103696766A (en) * | 2013-12-18 | 2014-04-02 | 贝兹维仪器(苏州)有限公司 | Specific resistance measurement while drilling device and measurement method thereof |
| WO2015158158A1 (en) * | 2014-04-16 | 2015-10-22 | 黄山金地电子有限公司 | Drill bit of non-excavation drilling machine and positioning method for same |
| CN105089651A (en) * | 2014-05-07 | 2015-11-25 | 中国石油化工股份有限公司 | Logging-while-drilling resistivity measuring device and logging-while-drilling resistivity measuring method |
| CN105089646A (en) * | 2014-05-07 | 2015-11-25 | 中国石油化工股份有限公司 | Logging-while-drilling resistivity measuring device with data transmission function and method |
| CN108278108A (en) * | 2018-01-26 | 2018-07-13 | 山东大学 | A kind of nearly drill bit in underground is wireless short pass system and its working method |
| CN110344821A (en) * | 2018-04-08 | 2019-10-18 | 中国石油化工股份有限公司 | A kind of downhole drill communication means and system |
| CN112943096A (en) * | 2021-03-10 | 2021-06-11 | 李永和 | Screw drilling tool anti-torque damper |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103643946A (en) * | 2013-12-16 | 2014-03-19 | 西南石油大学 | Dual-electrical-parameter logging instrument while drilling |
| CN103696766A (en) * | 2013-12-18 | 2014-04-02 | 贝兹维仪器(苏州)有限公司 | Specific resistance measurement while drilling device and measurement method thereof |
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| CN105089651A (en) * | 2014-05-07 | 2015-11-25 | 中国石油化工股份有限公司 | Logging-while-drilling resistivity measuring device and logging-while-drilling resistivity measuring method |
| CN105089646A (en) * | 2014-05-07 | 2015-11-25 | 中国石油化工股份有限公司 | Logging-while-drilling resistivity measuring device with data transmission function and method |
| CN105089651B (en) * | 2014-05-07 | 2019-01-01 | 中国石油化工股份有限公司 | LWD resistivity log device and measurement method |
| CN105089646B (en) * | 2014-05-07 | 2019-01-01 | 中国石油化工股份有限公司 | A kind of LWD resistivity log device and method being integrated with data-transformation facility |
| CN108278108A (en) * | 2018-01-26 | 2018-07-13 | 山东大学 | A kind of nearly drill bit in underground is wireless short pass system and its working method |
| CN110344821A (en) * | 2018-04-08 | 2019-10-18 | 中国石油化工股份有限公司 | A kind of downhole drill communication means and system |
| CN112943096A (en) * | 2021-03-10 | 2021-06-11 | 李永和 | Screw drilling tool anti-torque damper |
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| CN103266887B (en) | 2015-11-18 |
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Effective date of registration: 20201104 Address after: No. 6, liupukang, Xicheng District, Beijing 100120 Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. Address before: 124010 Xinglongtai, Liaoning Province, oil street, No. 96, No. Patentee before: China National Petroleum Corporation Great Wall Drilling Engineering Co.,Ltd. |
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