CN104405375A - Magnetic feedback-based electronic system for receiving inter-well electromagnetic logging signal - Google Patents
Magnetic feedback-based electronic system for receiving inter-well electromagnetic logging signal Download PDFInfo
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- CN104405375A CN104405375A CN201410553953.0A CN201410553953A CN104405375A CN 104405375 A CN104405375 A CN 104405375A CN 201410553953 A CN201410553953 A CN 201410553953A CN 104405375 A CN104405375 A CN 104405375A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
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Abstract
The invention discloses a magnetic feedback-based electronic system for receiving an inter-well electromagnetic logging signal. The electronic system comprises master control modules, magnetic sensor modules, a coil state monitoring module, a preamplifier module, a signal conditioning module, an A/D (analog/digital) conversion module, a high-precision real-time clock module and an auxiliary parameter collection module. According to the magnetic feedback-based electronic system, each magnetic sensor module corresponds to one master control module, and can work under a single-magnetic sensing mode or a multi-magnetic sensing serial mode; a low-frequency electromagnetic wave signal which is emitted from a launching silo is received by adopting a magnetic induction coil as a magnetic sensor; meanwhile, a signal is led out from the output end of the preamplifier module to drive a feedback coil which is tightly coupled to a magnetic induction coil, so as to lead out magnetic feedback, thus the noise level of the receiving sensor can be effectively lowered, the ability of the receiving system for identifying a weak magnetic signal is enhanced, and the high-precision real-time clock module disclosed by the invention is used for accurately measuring a phase difference between the received signal and the emitted signal in the launching silo, so as to accurately measure the stratum conductivity.
Description
Technical field
The invention belongs to electromagnetic measurement device technical field between well, more specifically, relate to a kind of based on magnetic feedback well between electromagnetic logging Signal reception electronic system.
Background technology
Though Regular wireline has the advantages such as resolution ratio is high, accurate, measurement scale is less, and the information provided is fractional-sample very limited in a large amount of heterogeneous body, can not accurate description wellbore reservoir characteristic in a big way.
Between well, electromagnetic logging technology is the new logging method grown up on individual well logging technique basis: emitter is placed in a certain permanent position of silo to stratum emitting electromagnetic wave (be called and transmit), receiver in received well is placed in different positions and receives the electromagnetic wave (being called Received signal strength) of coming through earth-layer propagation, and Received signal strength entered a series of process and obtains receiving data.Like this, just complete the measurement of a section, change the position of emitter, carry out the measurement of next section.And so forth, until survey mark covers whole measuring well section.By carrying out inverting to reception data, obtain reflecting that the two dimension of oil reservoir structure and petroleum distribution between well is to three-dimensional-electroded method, thus the direct measurement realized well formation electrical characteristic and description, be the best of formation information between detecting shaft and the most direct logging mode.
Distance between well in electromagnetic logging between two mouthfuls of wells is generally hundreds of rice and even goes up km, and transmitting when being transferred to received well of producing from silo has decayed very faint.So the design for realizing the Magnetic Sensor of Signal reception just seems very crucial, Magnetic Sensor requires highly sensitive and amplitude versus frequency characte good.The object receiving electronic system is amplitude and the phase place of Measurement accuracy Received signal strength, therefore reception electronic system needs the signal to noise ratio improving Received signal strength as much as possible.Except adopting the Magnetic Sensor of function admirable, the design of circuit also must launch to improve for the purpose of signal to noise ratio.At present, between domestic well, electromagnetic logging technology is still in conceptual phase, and studies in China mechanism not yet releases the matured product in this field.
Summary of the invention
For above defect or the Improvement requirement of prior art, the present invention propose a kind of based on magnetic feedback well between electromagnetic logging Signal reception electronic system.The present invention effectively can detect the faint electromagnetic signal of reflection well formation information, and nurses one's health signal, gathers, stores, the operation such as to upload, and log data sends ground system to the most at last.
The invention provides a kind of based on magnetic feedback well between electromagnetic logging Signal reception electronic system, comprise main control module, magnetic sensor module, coil state monitoring modular, pre-amplifying module, Signal-regulated kinase, A/D modular converter, real-time clock module and auxiliary parameter acquisition module, wherein:
Described main control module, for carrying out communication, reception process instruction that described ground system transmits, collection process log data, receive data that described auxiliary parameter acquisition module transmits to monitor the duty of described reception electronic system and to control described real-time clock module synchronization with ground system;
Described magnetic sensor module, comprises receiving coil and feedback coil, for receive that the emitter that is arranged in silo launches be coupled by stratum after propagate into the electromagnetic signal of received well, and be sent to described pre-amplifying module;
Described coil state monitoring modular, for monitoring temperature and the magnetic flux of receiving coil described in described magnetic sensor module, and is sent to described main control module by monitoring result through described auxiliary parameter acquisition module;
Described pre-amplifying module, for described electromagnetic signal is amplified certain multiple, the signal after amplification is sent to described Signal-regulated kinase; Simultaneously by the signal feedback after described amplification to the described feedback coil in described magnetic sensing module, to adjust the amplitude versus frequency characte of described receiving coil;
Described Signal-regulated kinase, carries out control tape pass filter for the signal after amplifying described pre-amplifying module, and obtains analog electrical signal to be converted after carrying out secondary amplification to filtered signal and be sent to described A/D modular converter;
Described A/D modular converter, form log data for described analog electrical signal to be converted being converted to digital quantity, and import in described main control module, described main control module is opened up certain space and is stored and be uploaded to described ground system;
Described real-time clock module, for generation of high-precision real-time clock, carry out synchronous to the described electromagnetic signal received with the signal that described emitter is launched, the phase difference between the signal launched with the described electromagnetic signal and described emitter of accurately measuring reception; And
Described auxiliary parameter acquisition module, for gathering DC voltage and the temperature of described reception electronic system, and the described DC voltage of the described reception electronic system of the described monitoring result of described coil state monitoring modular and collection and described temperature are carried out passage bridge, then A/D conversion is carried out to the result of passage bridge, and transformation result is sent to described main control module.
In general, the above technical scheme conceived by the present invention compared with prior art, has following beneficial effect:
By introducing magnetic feedback technique, making the amplitude versus frequency characte of Magnetic Sensor smooth, effectively eliminating the amplitude versus frequency characte peak value because Magnetic Sensor own resonance causes; What amplification to received signal adopted is the mode that enlarge leadingly and programming amplifying combine, and can to ensure that when emission signal frequency changes Received signal strength can be exaggerated suitable multiple and gather for analog-digital converter ADC, meet the dynamic range requirements of ADC; The mode of what filtering to received signal adopted is control tape pass filter, instead of LPF, and analog-digital converter adopt be at a high speed, 24 ∑-△ type ADC, like this can filter out-band external noise as much as possible, improve the signal to noise ratio of Received signal strength; The introducing of real-time clock, makes the present invention can the phase difference of Electromagnetic Launching signal and Received signal strength between Measurement accuracy well, thus improves the accuracy of invert data; System expandable, can work under single magnetic sensing modes, can work again, thus have very high flexibility under many magnetic sensing serial mode.
Accompanying drawing explanation
Fig. 1 be the present invention is based on magnetic feedback well between the structural representation of electromagnetic logging Signal reception electronic system;
Fig. 2 is the structural representation that the present invention realizes magnetic feedback;
Fig. 3 is the amplitude versus frequency characte figure that the present invention does not introduce receiving coil when magnetic feeds back;
Fig. 4 is the amplitude versus frequency characte figure that the present invention introduces the rear receiving coil of magnetic feedback.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.In addition, if below in described each embodiment of the present invention involved technical characteristic do not form conflict each other and just can mutually combine.
Figure 1 shows that the present invention is based on magnetic feedback well between the structural representation of electromagnetic logging Signal reception electronic system.As shown in Figure 1, receiving system of the present invention can realize expansion by network interface, is namely operated in many magnetic sensing serial mode.In embodiments of the present invention, for concrete a certain collection path, it comprises main control module, magnetic sensor module, coil state monitoring modular, pre-amplifying module, Signal-regulated kinase, A/D modular converter, real-time clock module, auxiliary parameter acquisition module.
In embodiments of the present invention, main control module is used for being carried out communication by remote short section and ground system, being carried out synchronous and gather some auxiliary parameters guaranteeing system reliably working to real-time clock module.This main control module as core with digital signal processor (hereinafter referred to as not shown in DSP, Fig. 1), receives the order that ground system transmits, resolves this order and notify that modules performs corresponding action; Carry out opening up corresponding memory space after number lock amplifies pretreatment to the data collected to store, then utilize network interface to be sent to ground system by remote short section according to the instruction of ground system, for ground system analysis and judgement; The auxiliary parameter of receiving system is gathered, guarantees that receiving system normally works; By serial line interface and real-time clock module communication, the time of FPGA timer (not shown in figure 1) in synchronous query real-time clock module, transmit and the accuracy of phase difference measurement between Received signal strength to improve.The Magnetic Sensor of magnetic sensor module comprises a receiving coil and feedback coil (specifically will be described at hereafter composition graphs 2), for receiving the electromagnetic signal propagated in the earth formation and being sent to pre-amplifying module.Coil state monitoring modular, for gathering temperature and the magnetic flux of the receiving coil in magnetic sensor module, so that main control module is to carrying out its monitoring, guarantees that Magnetic Sensor is operated in normal condition.Pre-amplifying module is used for amplifying a basic multiple (such as 60dB) to the electromagnetic signal received, and the signal after enlarge leadingly is sent to Signal-regulated kinase, simultaneously by this signal feedback to the feedback coil in magnetic sensing module, adjustment receiving coil amplitude versus frequency characte.Signal-regulated kinase comprises control tape pass filtering module and programme-controlled gain module (not shown in figure 1), obtain analog electrical signal to be converted for carrying out the signal after enlarge leadingly after filtering also carries out secondary amplification with gain-programmed amplifier (PGA) to it, and be sent to A/D modular converter.Control tape pass filtering module realizes bandpass filter, and the upper and lower limit cut-off frequency of this bandpass filter, by master control module controls, improves the signal to noise ratio of receiving system; Programme-controlled gain module continues to amplify to signal on the basis of pre-amplifying module, enhance the flexibility of whole receiving system, improve the sensitivity of receiving system signal acquisition, prevent the situation of logging signal amplitude not in A/D modular converter conversion range.A/D modular converter adopts at a high speed, 24 ∑-△ type ADC, and object improves signal to noise ratio and the resolution ratio of Received signal strength as far as possible.The analog electrical signal to be converted received is converted into digital quantity by it under the control of master control module controls line, and it is sent to main control module by data wire, and main control module is opened up corresponding memory space and stored it.Real-time clock module provides a high-precision real-time clock for receiving system, ensures Received signal strength and the precision of phase difference measurement between transmitting, and then accurately resolves formation conductivity, for Accurate Analysis stratum remaining oil reserves provide support.This real-time clock module realizes a real-time clock based on field programmable gate array (FPGA), itself and main control module carry out communication by serial line interface, the serial line interface that main control module can utilize DSP to carry, and FPGA need use software simulating serial line interface.Auxiliary parameter acquisition module comprises voltage acquisition module and instrument system temperature collect module (not shown in figure 1), is respectively used to the achieve a butt joint direct current power source voltage of receipts system and the collection of temperature.In addition main control module also utilizes control line to control auxiliary parameter acquisition module, to the measurement result of coil state monitoring modular namely: receiving coil temperature, receiving coil magnetic flux, and above-mentioned direct current power source voltage, receiving system temperature totally four auxiliary parameters carry out passage bridge, and A/D conversion is carried out to the result of passage bridge, then send into main control module via data wire.When a certain auxiliary parameter loss of form, auxiliary parameter acquisition module needs this situation to inform main control module immediately by control line, ground system is informed again via main control module, after ground system receives downhole instrument operating state data, the duty of adjustment instrument in real time.
Reception electronic system of the present invention both can be operated in single magnetic sensing modes, can be operated in again many magnetic sensing serial mode.Under many magnetic sensing serial mode, different Magnetic Sensors works in the mode of acquisition time.As shown in Figure 1, the corresponding a set of signal processing circuit of each Magnetic Sensor, every suit signal processing circuit is connected with remote short section by network interface by main control module.When being operated in single magnetic sensing modes, can address main control module; When being operated in many magnetic sensing serial mode, need to give different address values to each main control module, to distinguish the survey data that different Magnetic Sensors receives.In the present invention, each single magnetic sensing reception electronic system all has real-time clock module, for accurately measuring the phase difference transmitted in Received signal strength and silo, with Measurement accuracy formation conductivity.
Figure 2 shows that the present invention realizes the structural representation of magnetic feedback.In embodiments of the present invention, magnetic sensor module comprises a receiving coil and a feedback coil, the output signal of pre-amplifying module produces feedback current after feedback resistance R, feedback current flows through and produces feedback magnetic field with magnetic induction coil after closely-coupled feedback coil, thus docking take-up circle forms magnetic feedback, the amplitude versus frequency characte of magnetic sensor module is flattened smooth, eliminate the amplitude versus frequency characte kurtosis that receiving coil brings because of own resonance; Also effectively can reduce the noise level receiving Magnetic Sensor simultaneously, strengthen the ability of receiving system identification weak magnetic signal.The size of feedback current can be regulated by feedback resistance R.The concrete effect of introducing of magnetic feedback can comparison diagram 3 and Fig. 4.Figure 3 shows that Magnetic Sensor amplitude-versus-frequency curve when not introducing magnetic feedback, as seen from Figure 3, at the resonant frequency point place of Magnetic Sensor, its amplitude-versus-frequency curve has a larger peak value appearance.Fig. 4 is the amplitude-versus-frequency curve introducing the rear Magnetic Sensor of magnetic feedback, and as seen from Figure 4, after introducing magnetic feedback, the amplitude versus frequency characte of Magnetic Sensor eliminates kurtosis substantially relative to before introducing magnetic feedback.
Before reception electronic system of the present invention puts into well, need first to carry out temperature characteristic measuring on ground to receiving coil, obtain the temperature plate of receiving coil.After receiving system is gone into the well, areal receiver-array system energization is first given in ground, and 220V alternating current obtains each DC voltage that receiving system of the present invention normally works required after the effect of Switching Power Supply.Before starting image data, need to carry out synchronously to the real-time clock in silo and received well, specifically by ground control system, current time is sent simultaneously to the main control module of emission system and receiving system with data packet form, main control module carries out synchronously coupled clock more respectively.Data start the clock synchronous after gathering and adopt the synchronous mode of main control module initiative to carry out.
The measuring-signal that magnetic sensor module receives amplifies a basic multiple through the pre-amplifying module of low noise, then entering signal conditioning module.In embodiments of the present invention, the amplification of measuring-signal is not directly completed by a pre-amplification circuit, but the mode adopting pre-amplification circuit and programmable amplifier to combine completes, and improves the flexibility of system.In Signal-regulated kinase, pre-amplifying module amplify after signal first through the effect of control tape bandpass filter, its out-of-band noise be mingled with of filtering.The cut-off frequency of control tape bandpass filter is selected to be controlled by the dsp chip of main control module.Signal after bandpass filtering is again through the effect of programme-controlled gain amplifying circuit, and being namely converted into can by the analog electrical signal to be converted of A/D module processing.It is to be noted equally, the multiplication factor of programme-controlled gain amplifying circuit is also controlled by the dsp chip of main control module.
Receive electronic system and carry out analog-digital conversion to the analog electrical signal to be converted after conditioning immediately, the digital measurement data be converted to imports main control chip DSP into, and DSP is stored in inner FIFO according to certain form.Main control module, after completing a data acquisition, needs to inquire about real-time clock module at once to record the acquisition time of data, and is stored according to certain form this time equally.Main control module comprises low-voltage dc power supply voltage to auxiliary parameter subsequently, instrument temperature, receiving coil temperature, receiving coil magnetic flux gather, and collection result is stored according to certain form too.After completing the collection of each data above, digital measurement data, measuring-signal time of reception, auxiliary parameter measurement result according to the data format packing appointed, and are sent to ground system by remote short section by main control module.When receiving system is operated in many receiving coils pattern, the address information of each main control module in packet, also should be comprised.
Those skilled in the art will readily understand; the foregoing is only preferred embodiment of the present invention; not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. one kind based on magnetic feedback well between electromagnetic logging Signal reception electronic system, it is characterized in that, comprise main control module, magnetic sensor module, coil state monitoring modular, pre-amplifying module, Signal-regulated kinase, A/D modular converter, real-time clock module and auxiliary parameter acquisition module, wherein:
Described main control module, for carrying out communication, reception process instruction that described ground system transmits, collection process log data, receive data that described auxiliary parameter acquisition module transmits to monitor the duty of described reception electronic system and to control described real-time clock module synchronization with ground system;
Described magnetic sensor module, comprises receiving coil and feedback coil, for receive that the emitter that is arranged in silo launches be coupled by stratum after propagate into the electromagnetic signal of received well, and be sent to described pre-amplifying module;
Described coil state monitoring modular, for monitoring temperature and the magnetic flux of receiving coil described in described magnetic sensor module, and is sent to described main control module by monitoring result through described auxiliary parameter acquisition module;
Described pre-amplifying module, for described electromagnetic signal is amplified certain multiple, the signal after amplification is sent to described Signal-regulated kinase; Simultaneously by the signal feedback after described amplification to the described feedback coil in described magnetic sensing module, to adjust the amplitude versus frequency characte of described receiving coil;
Described Signal-regulated kinase, carries out control tape pass filter for the signal after amplifying described pre-amplifying module, and obtains analog electrical signal to be converted after carrying out secondary amplification to filtered signal and be sent to described A/D modular converter;
Described A/D modular converter, form log data for described analog electrical signal to be converted being converted to digital quantity, and import in described main control module, described main control module is opened up certain space and is stored and be uploaded to described ground system;
Described real-time clock module, for generation of high-precision real-time clock, carry out synchronous to the described electromagnetic signal received with the signal that described emitter is launched, the phase difference between the signal launched with the described electromagnetic signal and described emitter of accurately measuring reception; And
Described auxiliary parameter acquisition module, for gathering DC voltage and the temperature of described reception electronic system, and the described DC voltage of the described reception electronic system of the described monitoring result of described coil state monitoring modular and collection and described temperature are carried out passage bridge, then A/D conversion is carried out to the result of passage bridge, and transformation result is sent to described main control module.
2. as claimed in claim 1 a kind of based on magnetic feedback well between electromagnetic logging Signal reception electronic system, it is characterized in that, described reception electronic system can also be operated in many magnetic sensing serial mode, the corresponding main control module of each magnetic sensor module, gives different address values to each main control module and described ground system carries out communication.
3. as claimed in claim 1 or 2 a kind of based on magnetic feedback well between electromagnetic logging Signal reception electronic system, it is characterized in that, described Signal-regulated kinase comprises:
Control tape pass filtering module, its upper and lower limit cut-off frequency by described master control module controls, the out-of-band noise that is mingled with in the signal after amplifying with pre-amplifying module described in filtering; And
Programme-controlled gain module, the signal continuation amplification after amplifying described pre-amplifying module obtains described analog electrical signal to be converted, and its multiplication factor is by described master control module controls.
4. as claimed in claim 1 or 2 a kind of based on magnetic feedback well between electromagnetic logging Signal reception electronic system, it is characterized in that, described A/D modular converter adopts at a high speed, 24 ∑-△ type ADC carry out analog-to-digital conversion to described analog electrical signal to be converted, to improve signal to noise ratio and the resolution ratio of described log data.
5. as claimed in claim 1 or 2 a kind of based on magnetic feedback well between electromagnetic logging Signal reception electronic system, it is characterized in that, described real-time clock module adopts FPGA to build, with software simulating serial line interface and described main control module communication in described FPGA.
6. as claimed in claim 1 or 2 a kind of based on magnetic feedback well between electromagnetic logging Signal reception electronic system, it is characterized in that, in the data that described auxiliary parameter acquisition module gathers, if a certain parameter is not normal, described auxiliary parameter acquisition module needs to notify described main control module in time, informs that described ground system is to adjust the duty of described reception electronic system in real time by described master control acquisition module.
7. as claimed in claim 1 or 2 a kind of based on magnetic feedback well between electromagnetic logging Signal reception electronic system, it is characterized in that, data start gather after clock synchronous adopt the synchronous mode of described main control module initiative to carry out.
8. as claimed in claim 1 or 2 a kind of based on magnetic feedback well between electromagnetic logging Signal reception electronic system, it is characterized in that, described main control module is after completing a data acquisition, need to inquire about described real-time clock module at once to record the acquisition time of data, and described acquisition time is stored according to certain form.
9. as claimed in claim 8 a kind of based on magnetic feedback well between electromagnetic logging Signal reception electronic system, it is characterized in that, described main control module opens up respective stored space for storing the described log data received, and the data that itself and described acquisition time, described auxiliary parameter acquisition module gather are packed according to set form, be then sent to described ground system.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499389A (en) * | 2016-10-31 | 2017-03-15 | 华中科技大学 | Electromagnetic tool send-receive clock synchronization system and method between a kind of well |
| CN106567706A (en) * | 2016-11-10 | 2017-04-19 | 华中科技大学 | Inter-well stratum parameter information acquisition system based on phase marking |
| CN107037491A (en) * | 2016-02-04 | 2017-08-11 | 中石化石油工程技术服务有限公司 | Electromagnetism receiving transducer between a kind of well |
| CN107709700A (en) * | 2015-05-13 | 2018-02-16 | 科诺科菲利浦公司 | Drill big data analytic approach engine |
| CN111983703A (en) * | 2020-07-24 | 2020-11-24 | 中国石油天然气集团有限公司 | Method, system and device for imaging fluid through interwell electromagnetic measurement |
| WO2024056029A1 (en) * | 2022-09-14 | 2024-03-21 | 中国石油化工股份有限公司 | Multi-well-based interwell logging communication system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3893020A (en) * | 1973-08-27 | 1975-07-01 | Texaco Inc | Dual radio frequency apparatus for determining electromagnetic characteristics of earth formations using constant flux field generators |
| CN1143753A (en) * | 1995-08-21 | 1997-02-26 | 石油大学 | Borehole seismic electric detecting method |
| US6294917B1 (en) * | 1999-09-13 | 2001-09-25 | Electromagnetic Instruments, Inc. | Electromagnetic induction method and apparatus for the measurement of the electrical resistivity of geologic formations surrounding boreholes cased with a conductive liner |
| CN1497267A (en) * | 2002-10-18 | 2004-05-19 | ʩ¬Ĭ��������˾ | Sensor for detecting magnetic-field in underground casing area |
| US7482812B2 (en) * | 2003-05-01 | 2009-01-27 | Pathfinder Energy Services, Inc. | Series-resonant tuning of an LWD receiver |
| CN102704925A (en) * | 2012-06-06 | 2012-10-03 | 中国石油化工股份有限公司 | Interwell electromagnetic logging system |
| CN102966349A (en) * | 2012-11-28 | 2013-03-13 | 褚万泉 | System and method for monitoring cross-hole electromagnetic transient |
-
2014
- 2014-10-17 CN CN201410553953.0A patent/CN104405375A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3893020A (en) * | 1973-08-27 | 1975-07-01 | Texaco Inc | Dual radio frequency apparatus for determining electromagnetic characteristics of earth formations using constant flux field generators |
| CN1143753A (en) * | 1995-08-21 | 1997-02-26 | 石油大学 | Borehole seismic electric detecting method |
| US6294917B1 (en) * | 1999-09-13 | 2001-09-25 | Electromagnetic Instruments, Inc. | Electromagnetic induction method and apparatus for the measurement of the electrical resistivity of geologic formations surrounding boreholes cased with a conductive liner |
| CN1497267A (en) * | 2002-10-18 | 2004-05-19 | ʩ¬Ĭ��������˾ | Sensor for detecting magnetic-field in underground casing area |
| US7482812B2 (en) * | 2003-05-01 | 2009-01-27 | Pathfinder Energy Services, Inc. | Series-resonant tuning of an LWD receiver |
| CN102704925A (en) * | 2012-06-06 | 2012-10-03 | 中国石油化工股份有限公司 | Interwell electromagnetic logging system |
| CN102966349A (en) * | 2012-11-28 | 2013-03-13 | 褚万泉 | System and method for monitoring cross-hole electromagnetic transient |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107709700A (en) * | 2015-05-13 | 2018-02-16 | 科诺科菲利浦公司 | Drill big data analytic approach engine |
| CN107037491A (en) * | 2016-02-04 | 2017-08-11 | 中石化石油工程技术服务有限公司 | Electromagnetism receiving transducer between a kind of well |
| CN106499389A (en) * | 2016-10-31 | 2017-03-15 | 华中科技大学 | Electromagnetic tool send-receive clock synchronization system and method between a kind of well |
| CN106567706A (en) * | 2016-11-10 | 2017-04-19 | 华中科技大学 | Inter-well stratum parameter information acquisition system based on phase marking |
| CN106567706B (en) * | 2016-11-10 | 2020-07-10 | 华中科技大学 | Interwell stratum parameter information acquisition system based on phase identification |
| CN111983703A (en) * | 2020-07-24 | 2020-11-24 | 中国石油天然气集团有限公司 | Method, system and device for imaging fluid through interwell electromagnetic measurement |
| CN111983703B (en) * | 2020-07-24 | 2023-07-25 | 中国石油天然气集团有限公司 | Method, system and device for imaging electromagnetic measurement fluid between wells |
| WO2024056029A1 (en) * | 2022-09-14 | 2024-03-21 | 中国石油化工股份有限公司 | Multi-well-based interwell logging communication system |
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