CN109555513A - A kind of dynamic orientation gamma survey system based on fluxgate - Google Patents
A kind of dynamic orientation gamma survey system based on fluxgate Download PDFInfo
- Publication number
- CN109555513A CN109555513A CN201811455364.3A CN201811455364A CN109555513A CN 109555513 A CN109555513 A CN 109555513A CN 201811455364 A CN201811455364 A CN 201811455364A CN 109555513 A CN109555513 A CN 109555513A
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- capacitor
- resistance
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- microprocessor
- fluxgate
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- 230000002463 transducing effect Effects 0.000 claims abstract description 19
- 230000004907 flux Effects 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 49
- 230000005669 field effect Effects 0.000 claims description 16
- 230000003321 amplification Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 230000006698 induction Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 abstract description 14
- 238000005553 drilling Methods 0.000 abstract description 6
- 238000013461 design Methods 0.000 abstract description 3
- 238000012544 monitoring process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 241001637516 Polygonia c-album Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005086 pumping 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
- E21B47/02—Determining slope or direction
-
- 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
- E21B47/02—Determining slope or direction
- E21B47/022—Determining slope or direction of the borehole, e.g. using geomagnetism
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Geochemistry & Mineralogy (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- High Energy & Nuclear Physics (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
The dynamic orientation gamma survey system based on fluxgate that the invention discloses a kind of, including drill collar, drill collar outer surface is separately installed with gamma sensor and magnetic flux door component, magnetic flux door component includes three axis fluxgates and control module, control module includes transducing signal amplifying unit, microprocessor and orientation gamma data monitoring terminal, gamma sensor, three axis fluxgates pass through transducing signal amplifying unit connection microprocessor respectively, microprocessor connection orientation gamma data display terminal, structure of the invention are novel in design.The problem of there is no centrifugal force using fluxgate measurement, can accurately measure the high edge direction of gamma with dynamic realtime.Fluxgate measurement is not only restricted to drilling tool rotation, vibration influences, thus the scope of application substantially increases.
Description
Technical field
The present invention relates to oil field development technical field, specially a kind of dynamic orientation gamma survey system based on fluxgate
System.
Background technique
In recent years, with the continuous propulsion of oil field exploration exploitation, oil drilling system is to obtain orientation gamma parameter and grind
System develops various forms of orientation gamma survey systems.Measuring system in the prior art includes being based on accelerometer measures side
The dynamic orientation gamma of position and static orientation gamma etc.；Wherein, static orientation gamma is limited to termination of pumping measurement, influences normally to bore
Into.Dynamic orientation gamma based on accelerometer, which is limited to drilling tool rotation and vibration, to be influenced, and detection resolution is low, low precision；
Most of orientation gammas judge the high edge direction of gamma by accelerometer, and can be superimposed centrifugal acceleration when drilling tool rotation influences,
Flash walking direction is set error occur.The requirement of dynamic measurement and measurement accuracy cannot be taken into account.
Summary of the invention
The dynamic orientation gamma survey system based on fluxgate that the purpose of the present invention is to provide a kind of, to solve above-mentioned back
The problem of being proposed in scape technology.
To achieve the above object, the invention provides the following technical scheme: a kind of dynamic orientation gamma based on fluxgate is surveyed
Amount system, including drill collar, the drill collar outer surface are separately installed with gamma sensor and magnetic flux door component, the magnetic flux door component
Including three axis fluxgates and control module, the control module includes transducing signal amplifying unit, microprocessor and orientation gamma
Data monitoring terminal, the gamma sensor, three axis fluxgates pass through transducing signal amplifying unit connection microprocessor, institute respectively
State microprocessor connection orientation gamma data display terminal.
Preferably, the transducing signal amplifying unit includes operational amplifier, two-stage field-effect broad band amplifier, the fortune
An input terminal for calculating amplifier is separately connected the one end resistance B and the one end capacitor B, capacitor B other end ground connection, the resistance B other end
Be separately connected the one end resistance A and the one end capacitor A, the capacitor A other end connects the output end of operational amplifier, operational amplifier it is another
One input terminal is separately connected the one end resistance C and the one end resistance D, and resistance C other end connection one end capacitor D is simultaneously grounded, and resistance D is another
End connects the output end of operational amplifier with the capacitor D other end；The output end of the two-stage field-effect broad band amplifier connects electricity
Hold the one end E, the capacitor E other end connects the one end resistance F, and the cathode that the resistance F other end connects two-stage field-effect broad band amplifier is defeated
Enter end, the negative input of two-stage field-effect broad band amplifier is also connected with resistance G and is grounded, two-stage field-effect broad band amplifier
Electrode input end connects the one end resistance E, and it further includes capacitor F, capacitor G, electricity that the resistance E other end, which connects operational amplifier output terminal,
Hold H, the one end capacitor F, the one end capacitor G, the one end capacitor H connect power end respectively, and the capacitor F other end, the capacitor G other end, capacitor H are another
One end is grounded.
Preferably, application method the following steps are included:
A, gamma sensor acquires the magnetic induction intensity number of three axis directions for acquiring Gama Count value, three axis fluxgates
According to；
B, the transducing signal of gamma sensor acquisition is directly transferred to microprocessor, and the signal of three axis fluxgates acquisition passes through
It exports after the amplification of transducing signal amplifying unit to microprocessor；
C, after microprocessor analyzes the data of acquisition, real-time high boundary values and the measurement of corresponding Gama Count are obtained
Value；
D, data are obtained to show by gamma data display terminal.
Compared with prior art, the beneficial effects of the present invention are: structure of the invention is novel in design.Not using fluxgate measurement
There are problems that centrifugal force, the high edge direction of gamma can be accurately measured with dynamic realtime.Fluxgate measurement is not only restricted to drilling tool and turns
Dynamic, vibration influences, thus the scope of application substantially increases；In addition, the transducing signal amplifying unit that the present invention uses is quick on the draw, it is real
Now small-signal is amplified and the distortion factor is low, further improves measurement efficiency.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is control principle block diagram of the present invention；
Fig. 3 is transducing signal amplifying unit schematic diagram of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-3 is please referred to, the present invention provides a kind of technical solution: a kind of dynamic orientation gamma survey system based on fluxgate
System, including drill collar 1,1 outer surface of drill collar are separately installed with gamma sensor 2 and magnetic flux door component 3, the magnetic flux door component
3 include three axis fluxgates 4 and control module, and the control module includes transducing signal amplifying unit 5, microprocessor 6 and orientation
Gamma data monitors terminal 7, and the gamma sensor 2, three axis fluxgates 4 are connected by transducing signal amplifying unit 5 micro- respectively
Processor 6, the 6 connection orientation gamma data display terminal 7 of microprocessor.
In the present invention, transducing signal amplifying unit 5 includes operational amplifier 8, two-stage field-effect broad band amplifier 9, described
One input terminal of operational amplifier 8 is separately connected resistance one end B 2a and the one end capacitor B 2b, and the capacitor B 2b other end is grounded,
The resistance B 2a other end is separately connected resistance one end A 1a and the one end capacitor A 1b, and the capacitor A 1b other end connects operational amplifier
8 output end, another input terminal of operational amplifier 8 are separately connected resistance one end C 3a and the one end resistance D 4a, resistance C 3a
Other end connection one end capacitor D4b is simultaneously grounded, and the resistance D 4a other end connects the defeated of operational amplifier 8 with the capacitor D4b other end
Outlet；The output end of the two-stage field-effect broad band amplifier 9 connects the one end capacitor E 5b, and the capacitor E 5b other end connects resistance
The one end F 6a, the resistance F 6a other end connect the negative input of two-stage field-effect broad band amplifier 9, and two-stage field-effect broadband is put
The negative input of big device 9 is also connected with resistance G7a and is grounded, and the electrode input end of two-stage field-effect broad band amplifier 9 connects electricity
The one end E5a is hindered, it further includes capacitor F 6b, capacitor G 7b, capacitor H that the resistance E5a other end, which connects 8 output end of operational amplifier,
The one end 8b, capacitor F 6b, the one end capacitor G 7b, the one end capacitor H 8b connect power end, the capacitor F 6b other end, capacitor G 7b respectively
The other end, the capacitor H 8b other end are grounded.Operational amplifier 8 handles signal, guarantees the quality of transmission signal, and leads to
It crosses feedback principle and signal message is amplified 2 times, then pass to subsequent two-stage field-effect broad band amplifier 9 again again to signal
Secondary amplification is carried out, finally again exports signal.
Working principle: application method of the invention the following steps are included:
A, gamma sensor acquires the magnetic induction intensity number of three axis directions for acquiring Gama Count value, three axis fluxgates
According to；
B, the transducing signal of gamma sensor acquisition is directly transferred to microprocessor, and the signal of three axis fluxgates acquisition passes through
It exports after the amplification of transducing signal amplifying unit to microprocessor；
C, after microprocessor analyzes the data of acquisition, real-time high boundary values and the measurement of corresponding Gama Count are obtained
Value；
D, data are obtained to show by gamma data display terminal.
In conclusion structure of the invention is novel in design.The problem of there is no centrifugal force using fluxgate measurement, can dynamic
Real-time and accurate measurement goes out the high edge direction of gamma.Fluxgate measurement is not only restricted to drilling tool rotation, vibration influences, thus the scope of application is big
It is big to increase；In addition, the transducing signal amplifying unit that the present invention uses is quick on the draw, realization is amplified and is lost to small-signal
It really spends low, further improves measurement efficiency.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (3)
1. a kind of dynamic orientation gamma survey system based on fluxgate, including drill collar (1), it is characterised in that: the drill collar (1)
Outer surface is separately installed with gamma sensor (2) and magnetic flux door component (3), and the magnetic flux door component (3) includes three axis fluxgates
(4) and control module, the control module include transducing signal amplifying unit (5), microprocessor (6) and orientation gamma data prison
It surveys terminal (7), the gamma sensor (2), three axis fluxgates (4) connect micro- place by transducing signal amplifying unit (5) respectively
It manages device (6), microprocessor (6) the connection orientation gamma data display terminal (7).
2. a kind of dynamic orientation gamma survey system based on fluxgate according to claim 1, it is characterised in that: described
Transducing signal amplifying unit (5) includes operational amplifier (8), two-stage field-effect broad band amplifier (9), the operational amplifier
(8) a input terminal is separately connected the one end (2a) resistance B and the one end capacitor B (2b), capacitor B (2b) other end ground connection, resistance B
(2a) other end is separately connected the one end (1a) resistance A and the one end capacitor A (1b), and capacitor A (1b) other end connects operational amplifier
(8) output end, another input terminal of operational amplifier (8) are separately connected the one end (3a) resistance C and the one end resistance D (4a), electricity
Resistance C (3a) other end connection one end (4b) capacitor D is simultaneously grounded, and resistance D (4a) other end connects operation with capacitor D (4b) other end
The output end of amplifier (8)；The output end of the two-stage field-effect broad band amplifier (9) connects the one end capacitor E (5b), capacitor E
(5b) other end connects the one end resistance F (6a), and resistance F (6a) other end connects the cathode of two-stage field-effect broad band amplifier (9)
Input terminal, the negative input of two-stage field-effect broad band amplifier (9) are also connected with resistance G (7a) and are grounded, and two-stage field-effect is wide
Electrode input end with amplifier (9) connects the one end resistance E (5a), and resistance E (5a) other end connects operational amplifier (8) output
End, further includes capacitor F (6b), capacitor G (7b), capacitor H (8b), the one end capacitor F (6b), the one end capacitor G (7b), capacitor H (8b)
One end connects power end respectively, and capacitor F (6b) other end, capacitor G (7b) other end, capacitor H (8b) other end are grounded.
3. realize a kind of application method of the dynamic orientation gamma survey system based on fluxgate described in claim 1, it is special
Sign is: its application method the following steps are included:
A, gamma sensor acquires the magnetic induction intensity data of three axis directions for acquiring Gama Count value, three axis fluxgates；
B, the transducing signal of gamma sensor acquisition is directly transferred to microprocessor, and the signal of three axis fluxgates acquisition passes through sensing
It exports after signal amplification unit amplification to microprocessor；
C, after microprocessor analyzes the data of acquisition, real-time high boundary values and corresponding Gama Count measured value are obtained；
D, data are obtained to show by gamma data display terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811455364.3A CN109555513A (en) | 2018-11-30 | 2018-11-30 | A kind of dynamic orientation gamma survey system based on fluxgate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811455364.3A CN109555513A (en) | 2018-11-30 | 2018-11-30 | A kind of dynamic orientation gamma survey system based on fluxgate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109555513A true CN109555513A (en) | 2019-04-02 |
Family
ID=65868233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811455364.3A Pending CN109555513A (en) | 2018-11-30 | 2018-11-30 | A kind of dynamic orientation gamma survey system based on fluxgate |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1676874A (en) * | 2005-04-14 | 2005-10-05 | 中国石化集团胜利石油管理局钻井工艺研究院 | Well deflection and position gamma measuring nistrument during drilling |
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Application publication date: 20190402 |
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