CN107130956A - The data transfer measurement apparatus and its data transfer measuring method of a kind of nearly drill bit - Google Patents
The data transfer measurement apparatus and its data transfer measuring method of a kind of nearly drill bit Download PDFInfo
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- CN107130956A CN107130956A CN201610103889.5A CN201610103889A CN107130956A CN 107130956 A CN107130956 A CN 107130956A CN 201610103889 A CN201610103889 A CN 201610103889A CN 107130956 A CN107130956 A CN 107130956A
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- 238000005259 measurement Methods 0.000 title claims abstract description 73
- 238000012546 transfer Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000005553 drilling Methods 0.000 claims abstract description 63
- 230000008878 coupling Effects 0.000 claims abstract description 47
- 238000010168 coupling process Methods 0.000 claims abstract description 47
- 238000005859 coupling reaction Methods 0.000 claims abstract description 47
- 210000002445 nipple Anatomy 0.000 claims abstract description 34
- 238000012545 processing Methods 0.000 claims abstract description 30
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 10
- 229910000859 α-Fe Inorganic materials 0.000 claims description 15
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 230000009466 transformation Effects 0.000 claims description 5
- 238000001914 filtration Methods 0.000 claims description 4
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 abstract description 13
- 241001074085 Scophthalmus aquosus Species 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- 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
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
-
- 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
- E21B49/003—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 by analysing drilling variables or conditions
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- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Remote Sensing (AREA)
- Geophysics (AREA)
- Earth Drilling (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention discloses a kind of data transfer measurement apparatus of nearly drill bit and its data transfer measuring method.The device includes drill collar pipe nipple on nearly drill bit drill collar pipe nipple, nearly drill bit measurement module, countdown circuit module, transmitting coupling module, power drilling tool, reception coupling module, receiving processing circuit module, measurement-while-drilling system, power drilling tool.Wherein, launch coupling module and nearly drill bit drill collar pipe nipple, power drilling tool, drill collar pipe nipple and receive coupling module one two-stage transformer termination power of formation on power drilling tool, completion is transmitted into the data transfer of reception, finally again by the decoding of receiving processing circuit module, measurement-while-drilling system is transferred to, and then is transferred to ground and instructs orientation and geosteering.Meanwhile, the device can also be determined with brill formation resistivity by calculating the amplitude of transmission signal.
Description
Technical field
The present invention relates to the drilling measuring technology field of Oil and Gas Exploration Drilling engineering, more particularly to a kind of nearly drill bit
Data transfer measurement apparatus and its data transfer measuring method.
Background technology
The continuous progress developed with oil and gas prospect, remaining conventional oil gas reservoir is fewer and fewer,
Untraditional reservoir, complex reservoir exploitation it is increasing.In these untraditional reservoirs and complex reservoir
The construction application of middle directional well is also more and more universal.In these orientation well constructions, the well rail of nearly drill bit is obtained
Mark parameter and geologic parameter are most important to construction success or not.
In order to obtain the well track parameter and geologic parameter of nearly drill bit, the measurement by nearly drill bit is on the one hand needed
Pipe nipple, is measured to the relevant parameter of nearly drill bit；On the other hand a set of short pass system is needed, it is near for completing
Drill bit measures the data transfer between pipe nipple and mud-pulse Transmission system.Because nearly drill bit measurement pipe nipple with
Generally separated between mud-pulse Transmission system by power drilling tool, and be difficult that transmission is set in the power drilling tool of routine
Line, it is therefore desirable to a set of short pass system, data transfer is realized across power drilling tool.
Current existing nearly bit transfer system includes two categories below：
Such as one class is wired mode, disclosed in patent document CN101881155, and this class method compares appearance
It is readily understood, it is exactly that the embedded cable of fluting is carried out to conventional power drilling tool, by data line from power drilling tool
Centre is passed through.This kind of mode is due to factors such as processing cost, the mechanical strengths of power drilling tool, and application is always
It is restricted.
Another kind of is wireless mode, and wireless mode includes again：Sonic transmissions, electromagnetic transmission and magnetic field conversion
Etc. mode.But the reason for being due to nearly drill bit strenuous vibration, such as sonic transmissions mode, patent document
, can be by serious interference, the less stable of system disclosed in CN202900265.Electromagnetic transmission side
, can be by neighbouring stratum and drilling fluid disclosed in formula, such as patent document CN201110319158.1
Influence, transmission channel is unstable, it is therefore desirable to further improves and optimizes, and is possible to effectively application.And magnetic
Disclosed in field transformation mode, such as patent document CN201210458259.1, it is related to the motor and magnetic of complexity
Iron is controlled, and because its installation feasibility of the limited space in nearly drill bit rear is also very limited.
In addition, traditional measurement while-drilling instrument is generally arranged at the top of power drilling tool, apart from 10 meters of drill bit very
To farther distance, the measurement data of measurement while-drilling instrument is equally apart from 10 meters of drill bit or even farther distance.
Therefore these data have certain hysteresis quality, it is impossible to react in real time or in time the situation for creeping into stratum.
The content of the invention
For above-mentioned technical problem, the invention provides a kind of data transfer measurement apparatus of nearly drill bit, Yi Jili
The method that nearly drill bit measurement data and Formation Resistivity Measurement are earthward transmitted with the device.
The data transfer measurement apparatus for the nearly drill bit that the present invention is provided, it is characterised in that including：
Nearly drill bit measurement module, it is used to measure the relevant parameter in drilling process, and measurement data is transmitted into hair
Penetrate control circuit module；
The countdown circuit module, its measurement data for being used to transmit the nearly drill bit measurement module is carried out
Coding, and encoded signal is transmitted to transmitting coupling module；
The transmitting coupling module, its with drill collar pipe nipple on nearly drill bit drill collar pipe nipple, power drilling tool, power drilling tool,
Receive coupling module and form a two-stage transformer termination power together, the two-stage transformer termination power is by institute
State the encoded signal that receives of transmitting coupling module and the reception coupling module is transmitted in the way of transformation is coupled；
Receiving processing circuit module, it is used to solve the encoded signal that the reception coupling module is received
Code, and decoded measurement data is transmitted to measurement-while-drilling system；
The measurement-while-drilling system, it is used to be transmitted to ground by the measurement data that the receiving processing circuit module is transmitted
Face.
Embodiments in accordance with the present invention, above-mentioned receiving processing circuit module is additionally operable to according to the two-stage transformer coupling
Close the voltage in circuit, the amplitude of current signal calculates formation resistivity.
Embodiments in accordance with the present invention, above-mentioned countdown circuit module can include the data receiver being sequentially connected
Unit, coding microprocessor unit, current amplification unit, matching transmitting element, are respectively used to measurement data
Received, encoded, amplified, matched.
Embodiments in accordance with the present invention, above-mentioned transmitting coupling module is set on the outside of the nearly drill bit drill collar pipe nipple,
Including first annular ferrite and being wound on the first annular ferritic first coil, wherein the First Line
The two ends of circle connect the output end of the countdown circuit module；Above-mentioned reception coupling module is set in described dynamic
On power drilling tool on the outside of drill collar pipe nipple, including the second circular ferrite and it is wound on the of second circular ferrite
Two coil, wherein the two ends of second coil connect the input of the receiving processing circuit module.
Embodiments in accordance with the present invention, above-mentioned receiving processing circuit module can include the reception matching being sequentially connected
Unit, gain amplification control unit, bandpass filtering unit, AD conversion unit, micro controller unit, output
Unit, is respectively used to receive encoded signal, amplifies, filters, changing, decoding, then output decoding
Measurement data afterwards.
Embodiments in accordance with the present invention, above-mentioned countdown circuit module and receiving processing circuit module can be used
The mode of frequency modulation, amplitude modulation or phase modulation is coded and decoded.
Carry out data transmission in addition, the present invention also provides a kind of data transfer measurement apparatus for utilizing above-mentioned nearly drill bit
The method of measurement, comprises the following steps：
S100, measures the relevant parameter in drilling process, and measurement data is transmitted to by nearly drill bit measurement module
Countdown circuit module；
S200, the measurement data transmitted by countdown circuit module to nearly drill bit measurement module is encoded,
And encoded signal is transmitted to transmitting coupling module；
S300, by launching coupling module, nearly drill bit drill collar pipe nipple, power drilling tool, drill collar is short on power drilling tool
Section, reception coupling module form two-stage transformer termination power, will launch the coding letter that coupling module is received
Number reception coupling module is transmitted in the way of transformation is coupled；
S400, is decoded by receiving processing circuit module to receiving the encoded signal that coupling module is received,
And decoded measurement data is transmitted to measurement-while-drilling system；
S500, ground is transmitted to by measurement-while-drilling system by the measurement data that receiving processing circuit module is transmitted.
Embodiments in accordance with the present invention, above-mentioned data transfer measuring method can also comprise the following steps：
S600, by receiving processing circuit module, voltage, electric current letter in two-stage transformer termination power
Number amplitude calculate formation resistivity.
The method of data transfer measurement, above-mentioned coding and decoding can be entered by the way of frequency modulation, amplitude modulation or phase modulation
OK.
Compared with prior art, one or more embodiments of the invention can have the following advantages that：
1st, the data transfer measurement apparatus of nearly drill bit of the invention can be arranged on only has 1 meter or so apart from drill bit
Position at, compared to conventional apparatus can preferably in time react drilling stratum situation, and with performance it is steady
Fixed, the high advantage of reliability can be efficiently reduced because noise caused by strenuous vibration, drilling fluid change etc.
Influence with environmental change to data transfer.
2nd, compared with traditional wire transmission mode, the data transfer measurement apparatus cost of nearly drill bit of the invention
It is lower, and can be readily integrated into various nearly drill bit measuring systems, such as near drill bit gamma imaging pipe nipple
Deng.
3rd, the data transfer measurement apparatus of nearly drill bit of the invention can first nearly drill bit data transfer gives dynamic
Traditional measurement-while-drilling system above power drilling tool, then be transferred to by traditional measurement-while-drilling system nearly drill bit data
Orientation and geosteering are instructed in ground, realize the long-distance transmissions of real time data.
4th, the data transfer measurement apparatus of nearly drill bit of the invention is also equipped with measurement with brill formation resistivity simultaneously
Function, grasps geological condition more convenient.
Other features and advantages of the present invention will be illustrated in the following description, also, partly from specification
In become apparent, or by implement the present invention and understand.The purpose of the present invention and other advantages can pass through
Specifically noted structure is realized and obtained in specification, claims and accompanying drawing.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and constitutes a part for specification, with the present invention
Embodiment be provided commonly for explain the present invention, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 shows the application schematic diagram of the data transfer measurement apparatus of the nearly drill bit of the present invention；
Fig. 2 shows the structural representation of the data transfer measurement apparatus of the nearly drill bit of the embodiment of the present invention.
Fig. 3 shows the countdown circuit module of the data transfer measurement apparatus of the nearly drill bit of the embodiment of the present invention
Structural representation；
Fig. 4 shows the equivalent circuit diagram of the data transfer measurement apparatus of the nearly drill bit of the embodiment of the present invention；
Fig. 5 shows the receiving processing circuit module of the data transfer measurement apparatus of the nearly drill bit of the embodiment of the present invention
Structural representation.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing the present invention is made into
Describe in detail to one step.
As shown in figure 1, being the application schematic diagram of the data transfer measurement apparatus for the nearly drill bit that the present invention is provided.From
It is main to include with bottom as can be seen that the device is arranged at drill string 130 close to one end of drill bit 120 in Fig. 1
Part：
Nearly drill bit drill collar pipe nipple 10, nearly drill bit measurement module 20, countdown circuit module 30, transmitting coupling
Module 40, power drilling tool 50, reception coupling module 60, receiving processing circuit module 70, measurement-while-drilling system
80th, drill collar pipe nipple 90 on power drilling tool.
Fig. 2 shows the structural representation of the data transfer measurement apparatus of above-mentioned nearly drill bit.Wherein, it is encapsulated in each
Module inside drill collar pipe nipple is not shown, including：Nearly drill bit measurement module 20, countdown circuit module 30,
Receiving processing circuit module 70, measurement-while-drilling system 80.
The all parts and its operation principle of the device are introduced in detail below：
Nearly drill bit measurement module 20, inside nearly drill bit drill collar pipe nipple 10, for measuring in drilling process
The orientation parameter such as the geologic parameters such as resistivity, gamma or hole deviation, orientation, tool-face, and pass through wired mode
It is connected with radiating circuit control module 30, by data transfer to radiating circuit control module 30.
Radiating circuit control module 30, is also mounted inside nearly drill bit drill collar pipe nipple 10.Countdown circuit mould
The structure of block 30 as shown in figure 3, including：Data receipt unit 31, coding microprocessor unit 32, electric current
Amplifying unit 33, matching transmitting element 34.The effect of countdown circuit module 30 is to being measured from nearly drill bit
The measurement data that module 20 is transmitted is encoded, and is then amplified and is matched, and is eventually transferred to transmitting coupling
Module 40.
Launch coupling module 40, in the annular groove 11 that the nearly outside of drill bit drill collar pipe nipple 10 is opened up, really
Say with cutting and be set in the nearly outside of drill bit drill collar pipe nipple 10.Launch coupling module 40 main by circular ferrite 41
Constituted with the coil 42 for being wound on circular ferrite.Wherein, the two ends of coil 42 are received from radiating circuit control
The signal that module 30 is transmitted.
Nearly drill bit drill collar pipe nipple 10, power drilling tool 50,90 3 parts of drill collar pipe nipple phase successively on power drilling tool
Even, the wire very thick equivalent to one.This root wire through transmitting coupling module circular ferrite 41 and around
The coil 42 on circular ferrite 41 is made, a n1 is constituted:1 transformer TR1, wherein n1 be around
The number of turn in the coil 42 of circular ferrite 41 is made, 1 is exactly the equivalent wire of this root.Because transformer is to handing over
Stream signal has transition effects, therefore the signal transmitted from radiating circuit control module 30 passes through n1:1 transformer TR1
The drill collar pipe nipple 90 on nearly drill bit drill collar pipe nipple 10, power drilling tool 50, power drilling tool is transformed into link together
On the equivalent wire formed, and therefore in time that stratum 110 is constituted near the equivalent wire of this root and drill bit
Alternating current Is (as shown in Figure 4) is produced in road.
Coupling module 60 is received, installed in power drilling tool on drill collar pipe nipple 90 similar with transmitting coupling module 40
In the annular groove 91 that outside is opened up, the outside of drill collar pipe nipple 90 on power drilling tool is exactly set in.Receive
Coupling module 60 is main to be made up of circular ferrite 61 and the coil 62 being wound on circular ferrite 61.
Drill collar pipe nipple 90 links together institute on nearly drill bit drill collar pipe nipple 10, power drilling tool 50, power drilling tool
Formed equivalent wire, through receive coupling module 60 in circular ferrite 61 and be wound on circular ferrite
Coil 62 on 61, also constitutes one 1：N2 transformer TR2, wherein n2 are to be wound on circular ferrite
The number of turn of coil 62 on 61,1 is exactly the equivalent wire of this root.From the foregoing, it will be observed that passing through n1:1 transformer TR1
Effect, the signal transmitted from radiating circuit control module 30 can be made up of equivalent wire and stratum
Loop in produce alternating current Is, similarly, pass through 1：N2 transformers TR2 effect, alternating current Is
The two ends of the coil 62 in coupling module 60 is received can be caused to produce corresponding alternating voltage Uo (such as Fig. 4
It is shown)
Receiving processing circuit module 70, installed on power drilling tool inside drill collar pipe nipple 90.Receiving processing circuit
The structural representation of module 70 as shown in figure 5, including：Receive matching unit 71, gain amplification control unit
72nd, bandpass filtering unit 73, AD conversion unit 74, micro controller unit 75, output unit 76.Wherein,
The two ends for receiving coil 62 of the matching unit 71 with receiving coupling module 60 are connected, the two ends of receiving coil 62
Voltage signal Uo is simultaneously matched, and subsequent cell is amplified, filters and decoded, and obtains nearly drill bit measurement mould
The data that block 20 is measured, finally by output unit 76 by these data transfers to measurement-while-drilling system 80.
The data transfer that measurement-while-drilling system 80 transmits receiving processing circuit module 70 completes near bore to ground
The long-distance transmissions of head measurement data.
The equivalent circuit of whole device is as shown in figure 4, be the equal of the transformer translation circuit of a two-stage, knot
Close coding and the matching amplification of emitting portion, the amplification of receiving portion, filtering and decode, finally nearly drill bit
Measurement signal is transferred to measurement-while-drilling system, and then is transferred to ground guidance orientation and geosteering.It is therein to compile
Code and the mode of decoding can be using frequency modulation, amplitude modulation, tune equivalent ways, but are not limited to these modes.
Receiving processing circuit module receives signal and analog-to-digital conversion and collection storage is carried out to it.Receiving processing circuit
The amplitude for the AC signal that micro controller unit in module can be stored further to collection is calculated.Cause
This, can also be further according to voltage signal Uo, electric current in two-stage transformer coupling circuit using said apparatus
The size of signal Is amplitude extrapolate corresponding formation resistivity R1 in two-stage transformer coupling circuit (referring to
Equivalent circuit diagram shown in Fig. 4), that is, carry out the measurement of formation resistivity.
It is described above, it is only the specific implementation case of the present invention, protection scope of the present invention is not limited thereto.
For example, nearly drill bit measurement module, countdown circuit module, receiving processing circuit module, measurement-while-drilling system
Installation site can be adjusted as needed.It is any to be familiar with as long as the technique effect of the present invention can be reached
Those skilled in the art are in technical specification of the present invention, modifications of the present invention or replacement, all should be
Within protection scope of the present invention.
Claims (9)
1. a kind of data transfer measurement apparatus of nearly drill bit, it is characterised in that including：
Nearly drill bit measurement module, it is used to measure the relevant parameter in drilling process, and measurement data is transmitted into hair
Penetrate control circuit module；
The countdown circuit module, its measurement data for being used to transmit the nearly drill bit measurement module is carried out
Coding, and encoded signal is transmitted to transmitting coupling module；
The transmitting coupling module, its with drill collar pipe nipple on nearly drill bit drill collar pipe nipple, power drilling tool, power drilling tool,
Receive coupling module and form a two-stage transformer termination power together, the two-stage transformer termination power is by institute
State the encoded signal that receives of transmitting coupling module and the reception coupling module is transmitted in the way of transformation is coupled；
Receiving processing circuit module, it is used to solve the encoded signal that the reception coupling module is received
Code, and decoded measurement data is transmitted to measurement-while-drilling system；
The measurement-while-drilling system, it is used to be transmitted to ground by the measurement data that the receiving processing circuit module is transmitted
Face.
2. the data transfer measurement apparatus of nearly drill bit according to claim 1, it is characterised in that：
The receiving processing circuit module, its be additionally operable to voltage in the two-stage transformer termination power,
The amplitude of current signal calculates formation resistivity.
3. the data transfer measurement apparatus of nearly drill bit according to claim 1, it is characterised in that：
The countdown circuit module include be sequentially connected data receipt unit, coding microprocessor unit,
Current amplification unit, matching transmitting element, be respectively used to receive measurement data, encode, amplify,
Match somebody with somebody.
4. the data transfer measurement apparatus of nearly drill bit according to claim 1, it is characterised in that：
The transmitting coupling module is set on the outside of the nearly drill bit drill collar pipe nipple, including first annular ferrite and
The first annular ferritic first coil is wound on, wherein the two ends of the first coil connect the transmitting
The output end of control circuit module；
The reception coupling module is set on the power drilling tool on the outside of drill collar pipe nipple, including the second annular iron oxygen
Body and the second coil for being wound on second circular ferrite, wherein the two ends connection of second coil is described
The input of receiving processing circuit module.
5. the data transfer measurement apparatus of nearly drill bit according to claim 1, it is characterised in that：
The receiving processing circuit module include be sequentially connected reception matching unit, gain amplification control unit,
Bandpass filtering unit, AD conversion unit, micro controller unit, output unit, are respectively used to encoded signal
Received, amplified, filtered, changed, decoded, then export decoded measurement data.
6. the data transfer measurement apparatus of nearly drill bit according to claim 1, it is characterised in that：
The countdown circuit module and receiving processing circuit module are entered by the way of frequency modulation, amplitude modulation or phase modulation
Row coding and decoding.
7. a kind of data transfer measurement apparatus of nearly drill bit as described in any one in claim 1 to 6
Data transfer measuring method, comprises the following steps：
S100, measures the relevant parameter in drilling process, and measurement data is transmitted to by nearly drill bit measurement module
Countdown circuit module；
S200, the measurement data transmitted by countdown circuit module to nearly drill bit measurement module is encoded,
And encoded signal is transmitted to transmitting coupling module；
S300, by launching coupling module, nearly drill bit drill collar pipe nipple, power drilling tool, drill collar is short on power drilling tool
Section, reception coupling module form two-stage transformer termination power, will launch the coding letter that coupling module is received
Number reception coupling module is transmitted in the way of transformation is coupled；
S400, is decoded by receiving processing circuit module to receiving the encoded signal that coupling module is received,
And decoded measurement data is transmitted to measurement-while-drilling system；
S500, ground is transmitted to by measurement-while-drilling system by the measurement data that receiving processing circuit module is transmitted.
8. data transfer measuring method according to claim 7, it is characterised in that also including following step
Suddenly：
S600, by receiving processing circuit module, voltage, electric current letter in two-stage transformer termination power
Number amplitude calculate formation resistivity.
9. the data transfer measuring method according to claim 7 or 8, it is characterised in that：
The coding and decoding is carried out by the way of frequency modulation, amplitude modulation or phase modulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103889.5A CN107130956A (en) | 2016-02-25 | 2016-02-25 | The data transfer measurement apparatus and its data transfer measuring method of a kind of nearly drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610103889.5A CN107130956A (en) | 2016-02-25 | 2016-02-25 | The data transfer measurement apparatus and its data transfer measuring method of a kind of nearly drill bit |
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| CN107130956A true CN107130956A (en) | 2017-09-05 |
Family
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| CN201610103889.5A Pending CN107130956A (en) | 2016-02-25 | 2016-02-25 | The data transfer measurement apparatus and its data transfer measuring method of a kind of nearly drill bit |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109869142A (en) * | 2017-12-01 | 2019-06-11 | 中国石油化工股份有限公司 | A kind of downhole data transmission device and method |
| CN111119837A (en) * | 2018-10-31 | 2020-05-08 | 中石化石油工程技术服务有限公司 | Near-bit data transmission device |
| RU2732163C1 (en) * | 2019-12-19 | 2020-09-14 | Общество с ограниченной ответственностью "БИТАС" | Over-bit module |
| CN113503155A (en) * | 2021-07-21 | 2021-10-15 | 中国科学院地质与地球物理研究所 | Multifunctional measurement system and measurement method for engineering parameters while drilling |
| CN113846965A (en) * | 2020-06-09 | 2021-12-28 | 中国石油化工股份有限公司 | System for controlling downhole steering tool |
| WO2022041679A1 (en) * | 2020-08-31 | 2022-03-03 | 中国石油大学(华东) | Efficient and intelligent steering drilling system and drilling method |
| CN115726769A (en) * | 2022-11-18 | 2023-03-03 | 杭州丰禾石油科技有限公司 | Near-bit data processing device, method and medium |
| CN116527438A (en) * | 2023-06-27 | 2023-08-01 | 无锡量子感知研究所 | Single bus circuit and rotary steering logging instrument while drilling |
| CN116723428A (en) * | 2023-08-09 | 2023-09-08 | 德州联合石油科技股份有限公司 | Near-bit guiding system and screw drilling tool |
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| CN109869142A (en) * | 2017-12-01 | 2019-06-11 | 中国石油化工股份有限公司 | A kind of downhole data transmission device and method |
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| WO2022041679A1 (en) * | 2020-08-31 | 2022-03-03 | 中国石油大学(华东) | Efficient and intelligent steering drilling system and drilling method |
| CN113503155A (en) * | 2021-07-21 | 2021-10-15 | 中国科学院地质与地球物理研究所 | Multifunctional measurement system and measurement method for engineering parameters while drilling |
| CN115726769A (en) * | 2022-11-18 | 2023-03-03 | 杭州丰禾石油科技有限公司 | Near-bit data processing device, method and medium |
| CN116527438A (en) * | 2023-06-27 | 2023-08-01 | 无锡量子感知研究所 | Single bus circuit and rotary steering logging instrument while drilling |
| CN116527438B (en) * | 2023-06-27 | 2023-10-10 | 无锡量子感知研究所 | Single bus circuit and rotary steering logging instrument while drilling |
| CN116723428A (en) * | 2023-08-09 | 2023-09-08 | 德州联合石油科技股份有限公司 | Near-bit guiding system and screw drilling tool |
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