CN104612661A - Electromagnetic wave well logging device and method along with drilling - Google Patents
Electromagnetic wave well logging device and method along with drilling Download PDFInfo
- Publication number
- CN104612661A CN104612661A CN201410749404.0A CN201410749404A CN104612661A CN 104612661 A CN104612661 A CN 104612661A CN 201410749404 A CN201410749404 A CN 201410749404A CN 104612661 A CN104612661 A CN 104612661A
- Authority
- CN
- China
- Prior art keywords
- coil
- voltage
- electromotive force
- induced electromotive
- drill collar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000005553 drilling Methods 0.000 title abstract 2
- 238000012545 processing Methods 0.000 claims abstract description 11
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 18
- 230000008569 process Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 13
- 230000008859 change Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000003672 processing method Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000000205 computational method Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 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
- 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
-
- 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
- E21B47/13—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 by electromagnetic energy, e.g. radio frequency
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Remote Sensing (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Electromagnetism (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention relates to an electromagnetic wave well logging device and method along with drilling. The well logging device comprises a drill collar and a plurality of coils. The first coil is arranged in a first area of the drill collar, the included angle between the plane where the first coil is located and the cross section of the drill collar is theta T which is larger than 0 degree and smaller than 180 degrees, and the second coil and the third coil are arranged in a second area of the drill collar. The plane where the second coil is located is perpendicular to the plane where the first coil is located, the plane where the third coil is located is perpendicular to the axis of the drill collar, and the center of the first coil, the center of the second coil and the center of the third coil coincide with the axis of the drill collar. Electromagnetic waves are transmitted to a stratum through the first coil, the second coil and the third coil receive electromagnetic waves and generate induced electromotive force, data processing is conducted on the generated induced electromotive force, and aeolotropy parameters are obtained. Thus, the perpendicular resolution ratio of an instrument is increased through the electromagnetic wave well logging device and method, and the detection of a thin and interbedded reservoir is improved.
Description
Technical field
The present invention relates to geophysical log field, particularly relate to a kind of with brill electromagnetic wave logging apparatus and method.
Background technology
Geophysical log is the physical property such as electricity, sound, radioactivity by measuring stratum in wellhole, to distinguish the method for formation rock fluid properties, is also exploration and development oil gas, the important means of the mineral resources such as metal.
Fig. 1 is well logging apparatus schematic diagram, comprising logger 114, and logging truck 111, cable 113 and pulley 112.Detect to obtain the signal on stratum 115 by the logger probe 116 be arranged in mud 117, then signal is transferred on logging truck 111 by cable 113 and carries out data analysis.
At present, mode formation rock, fluid properties that logger is surveyed by brill limit, limit are determined, and with boring the important component part that electromagnetic wave logging device is logger, adopt with brill electromagnetic wave logging technology, by transmitting coil to stratum emitting electromagnetic wave, electromagnetic wave is propagated in the earth formation; Receiving terminal receives emitting electromagnetic wave, and produce induced electromotive force (induced electromotive force carries formation conductivity information), hydrocarbon content in stratum can be drawn by inverting or signal transacting, evaluate and identify the electrical anisotropy on stratum, analyze geologic feature, instruct geosteering etc.
In the exploration of stratum, anisotropy reservoir is the important research target of oil and gas reservoir, with the Thin oil sandwich of sand shale and lithology crack elimination for representative, accounts for greatly 30 percent of global reserves.This kind of reservoir thickness is general very little, and the sand layers primarily of variable grain size composition occurs as interaction cascadings such as silty sand, shale silty sands, divides this kind of reservoir very difficult.
Adopt directional electromagnetic logging technique, by phase difference and Amplitude Ratio signal, conventional directional electromagnetic judges that the anisotropy on stratum exists following shortcoming: the anisotropy being obtained stratum by inversion method, and the vertical resolution of directional electromagnetic well logging is not high, strong to the recognition capability of the thinner Thin oil sandwich of thickness, easily ignore.
Therefore, the present patent application provides one under peupendicular hole condition, can measure thin strate electrical conductivity and anisotropic design and corresponding signal processing method with boring electromagnetic wave logging device.The method that present patent application provides improves the vertical resolution of instrument by new Instrument Design thinking, signal processing method only adopts the real part of voltage signal, abandon imaginary part formation conductivity signal and respond unconspicuous shortcoming, by two groups of signals be used alternatingly can well determine stratum horizontal conductivity, vertical conductivity and reservoir position.
Summary of the invention
Apparatus and method with boring electromagnetic wave logging provided by the invention, in order to the identification of Thin oil sandwich, by simple computational process, realize the high-resolution that electromagnetic wave logging is vertical, avoid ignoring thinner Thin oil sandwich.
First aspect, the invention provides a kind of with brill electromagnetic wave logging device, described device comprises drill collar and multiple coil, in the first area of described drill collar, is provided with the first coil, and the angle in the cross section of described first coil place plane and described drill collar is θ
t, 0 ° of < θ
t<180 °;
At the second area of described drill collar, be respectively arranged with the second coil and tertiary coil; Wherein said second coil place plane is mutually vertical with described first coil place plane; Described tertiary coil place plane is mutually vertical with the axis of described drill collar;
The center of the center of described first coil, the center of the second coil and described tertiary coil respectively with the dead in line of described drill collar.
Preferably, described second coil and described tertiary coil are arranged on the side of described first coil, wherein, and the center of described tertiary coil and the center superposition of described second coil; Or
Described second coil and tertiary coil are separately positioned on the both sides of described first coil.
Preferably, the external surface of described drill collar comprises multiple groove; Described first coil, the second coil and described tertiary coil are separately positioned in described groove, in order to described first coil, the second coil and described tertiary coil to be separately fixed on the external surface of described drill collar.
Preferably, the angle in the cross section of the relatively described drill collar of described first coil is 45 °.
Preferably, described drill collar is specially without magnetic metal drill collar.
Second aspect, the embodiment of the present invention provides a kind of logging method with brill electromagnetic wave logging device of applying described in first aspect, utilizes AC power to provide alternating current to input for the first coil, generates electromagnetic waves in order to described first coil according to described alternating current;
Second coil receives described electromagnetic wave, and produces the first induced electromotive force; Tertiary coil receives described electromagnetic wave, and produces the second induced electromotive force;
Described first induced electromotive force and described second induced electromotive force are detected;
Respectively data processing is carried out to described first induced electromotive force and described second induced electromotive force, obtains the first component of voltage, the second component of voltage;
Formation anisotropy parameter is obtained according to described first component of voltage and the second component of voltage.
Preferably, described formation anisotropy parameter comprises: horizontal conductivity and vertical conductivity.
Preferably, described respectively data processing is carried out to described first induced electromotive force and described second induced electromotive force, obtains the first component of voltage and the second component of voltage is specially:
By phase-sensitive detector, voltage process is carried out to described first induced electromotive force, obtain the first component of voltage;
By described phase-sensitive detector, voltage process is carried out to described second induced electromotive force, obtain the second component of voltage.
Preferably, describedly obtain formation anisotropy parameter according to described first component of voltage and the second component of voltage and be specially: according to described second component of voltage, carry out obtaining horizontal conductivity;
Vertical conductivity is obtained according to described horizontal conductivity and described first component of voltage.
The third aspect, the embodiment of the present invention provides a kind of system of well logging during, and described system comprises:
The voltage detecting circuit be connected with tertiary coil with the second coil respectively, the second reaction electromotive force that the first induced electromotive force and tertiary coil for detecting the second coil generation respectively produce;
Connect the phase-sensitive detector of described voltage detecting circuit, for carrying out data processing to described first induced electromotive force and described second induced electromotive force respectively.Therefore, inventive embodiments provides a kind of with brill electromagnetic wave logging apparatus and method, by drill collar being arranged a transmitting coil, a horizontally disposed receiving coil and one and the orthogonal receiving coil of transmitting coil place plane, obtain formation anisotropy parameter, can obtain vertical conductivity to high-resolution, avoid in well logging, the Thin oil sandwich thinner to thickness is ignored, and increases the detection of oil-gas Layer.
Accompanying drawing explanation
Fig. 1 is well logging apparatus schematic diagram;
The one that Fig. 2 provides for the embodiment of the present invention one is with brill electromagnetic wave logging apparatus structure schematic diagram;
A kind of flow chart with boring electromagnetic wave logging method that Fig. 3 provides for the embodiment of the present invention two;
The one that Fig. 4 provides for the embodiment of the present invention three is with brill electromagnetic wave logging system schematic;
The induced electromotive force voltage real component value that the tertiary coil that Fig. 5 provides for the embodiment of the present invention produces is with the variation diagram of stratum horizontal conductivity;
The induced electromotive force voltage real component value that the second coil that Fig. 6 provides for the embodiment of the present invention produces is with the variation diagram of stratum horizontal conductivity;
The variation diagram of the tertiary coil voltage imaginary component value that Fig. 7 provides for embodiment of the present invention layer horizontal conductivity everywhere;
The variation diagram of the second coil voltage imaginary component value that Fig. 8 provides for embodiment of the present invention layer horizontal conductivity everywhere.
Detailed description of the invention
The embodiment of the present invention is used for the anisotropic exploration of formation, be mainly used in the identification to thinner Thin oil sandwich, the one provided by the embodiment of the present invention is with brill electromagnetic wave logging apparatus and method, the signal of formation detects, obtain the horizontal conductivity in formation anisotropy parameter and vertical conductivity, the anisotropy of formation carries out evaluating and estimating.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Embodiment one
The one that Fig. 2 provides for the embodiment of the present invention one is with brill electromagnetic wave logging apparatus structure schematic diagram.
As shown in Figure 2, comprise with brill electromagnetic wave logging device: drill collar 10 and multiple coil 11; Drill collar 10 can adopt and make without magnetic metal material or the stronger non-magnetic material of hardness strength, to be more conducive to the exploitation of ground well, and not producing impedance phenomenon to during multiple coil electricity, causes detection signal error.The external surface of drill collar 10 arranges multiple groove (for illustrating in figure), multiple coil is separately positioned in groove, for multiple coil 11 being separately fixed at the external surface of drill collar 10.
In the first area of drill collar 10, the angle being provided with the cross section of the first coil 111, first coil 111 place plane and drill collar 10 is θ
t, 0 ° of < θ
t<180 °.
First coil 111 is for stratum emitting electromagnetic wave.The signal energy that the number of turn of the first coil 111 can need according to well logging is determined, normally 100 circles.
At the second area of drill collar 10, be respectively arranged with the second coil 112 and tertiary coil 113; The center of the center of described first coil 111, the center of the second coil 112 and described tertiary coil 113 respectively with the dead in line of described drill collar, and the center of the center of described tertiary coil 113 and described second coil 112 coincides.Second coil 112 place plane is mutually vertical with the first coil 111 place plane; Described tertiary coil 113 place plane is mutually vertical with the axis of described drill collar 10; That is, the angle in the cross section of the second coil 112 place plane and drill collar 10 is θ
r, θ
twith θ
rcomplementary angle each other.In other words, the cross section of the relatively described drill collar 10 of the second coil 112 is obliquely installed, and the normal of the second coil 112 place plane is orthogonal with the normal of the first coil place plane; Tertiary coil 113 is horizontally disposed with.
Wherein, the second coil 112 and tertiary coil 113 can also be separately positioned on the both sides of the first coil 111.
Second coil 112 and tertiary coil 113 are respectively used to the electromagnetic wave that reception first coil 111 is launched.The central source of the first coil 111 and the second coil 112, tertiary coil 113 is apart from being usually less than 0.3 meter.
In a preferred embodiment, the central source of the first coil 111 and the second coil 112, tertiary coil 113 is apart from being set to 0.254 meter; θ
tbe 45 °, θ
rfor-45 °.
Therefore, the embodiment of the present invention provides a kind of with brill electromagnetic wave logging device, by drill collar being arranged a transmitting coil, a horizontally disposed receiving coil and one and the orthogonal receiving coil of transmitting coil place plane, obtain formation anisotropy parameter, high-resolutionly can obtain vertical conductivity, avoid in well logging, the Thin oil sandwich thinner to reservoir is ignored, and increases the detection of oil-gas Layer.
What adopt embodiment one to provide below is described in detail with the anisotropic process of boring electromagnetic wave logging device and obtain stratum.
Embodiment two
A kind of flow chart with boring electromagnetic wave logging method that Fig. 3 provides for the embodiment of the present invention two;
According to Fig. 3, comprise the following steps with brill electromagnetic wave logging method:
Step 201, the first coil emitting electromagnetic wave.
Particularly, the first coil connects AC power, and AC power provides alternating current for the first coil, and alternating current is generally 2MHz.When utilizing AC power to provide alternating current to input for the first coil, namely for AC power give the first coil electricity time, the first coil generates electromagnetic waves, and to stratum emitting electromagnetic wave.
Step 202, the second coil receives electromagnetic ripple produces the first induced electromotive force; Tertiary coil receives electromagnetic wave and produces the second induced electromotive force.
Step 203, detects the first induced electromotive force and the second induced electromotive force.
Particularly, the voltage detecting circuit connected by outside, is detected the first induced electromotive force and the second induced electromotive force respectively.
Step 204, carries out data processing respectively to described first induced electromotive force and described second induced electromotive force, obtains the first component of voltage, the second component of voltage.
Particularly, the first induced electromotive force of obtaining will be detected in step 203 and the second induced electromotive force carries out data processing by phase-sensitive detector, obtain the first component of voltage and the second component of voltage respectively.
First induced electromotive force can also obtain tertiary voltage component by phase-sensitive detector process; Second induced electromotive force can also obtain the 4th component of voltage by phase-sensitive detector process.
Step 205, obtains horizontal conductivity according to the second component of voltage.
Particularly, the second component of voltage obtains the horizontal conductivity on stratum by the forward model plate pre-set.
Step 206, obtains vertical conductivity according to horizontal conductivity and the first component of voltage.
Particularly, according to forward model plate accordingly, the horizontal conductivity obtained and the first component of voltage are calculated, obtain vertical conductivity.
Therefore, the embodiment of the present invention provide with brill electromagnetic wave logging method, by embodiment one provide with brill electromagnetic wave logging method, conveniently obtain anisotropic parameters.
Embodiment three
The one that Fig. 4 provides for the embodiment of the present invention three is with brill electromagnetic wave logging system schematic.
As shown in Figure 4, the embodiment of the present invention a kind of logging system is provided except comprise that embodiment one provides with except brill electromagnetic wave logging device 30, this system also comprises: voltage detecting circuit 31, phase-sensitive detector 32, cable and processor 33.
Voltage detecting circuit 31, is connected with tertiary coil with the second coil respectively, the second reaction electromotive force that the first induced electromotive force and tertiary coil for detecting the second coil generation respectively produce.
Phase-sensitive detector 32, connects described voltage detecting circuit, for carrying out data processing to described first induced electromotive force and described second induced electromotive force respectively.
Cable (not shown) one end connects with brill electromagnetic wave logging device, other end connection handling device, for the data processor transmission data connected to well logging apparatus outside.
Processor 33, the data exported by cable for well logging apparatus carry out data processing.
Embodiment four
The embodiment of the present invention provides a kind of forward model computational methods, sets up the stratigraphic model of multiple different electrical conductivity, set up and the embodiment of the present invention one provide with boring the identical well logging apparatus model of electromagnetic wave logging device.
Select one of them stratigraphic model, provide alternating current to the first coil in well logging apparatus model, the first coil generates electromagnetic waves, and to emitting electromagnetic wave in the stratigraphic model set up; Undertaken that analog computation obtains the second coil in well logging apparatus model by Maxwell equation, after tertiary coil receives electromagnetic wave respectively, produce the magnitude of voltage of the first induced electromotive force and the magnitude of voltage of the second induced electromotive force.
Then, change stratigraphic model and anisotropy ratio (anisotropic ratio), calculated the magnitude of voltage of another magnitude of voltage organizing the first induced electromotive force and the second induced electromotive force by Maxwell equation; Obtain successively organizing magnitude of voltage more.
In a specific embodiment, set up horizontal conductivity (horizontal Conductivity) and change to 5S/m from 0.0005S/m, anisotropy ratio is the stratigraphic model of 1 to 20.Adopt the well logging apparatus set up, change stratigraphic model and anisotropy ratio respectively, after carrying out computing by Maxwell equation, obtain Fig. 5-8.
The induced electromotive force voltage real component value that the tertiary coil that Fig. 5 provides for the embodiment of the present invention produces is with the variation diagram of stratum horizontal conductivity;
The induced electromotive force voltage real component value that the second coil that Fig. 6 provides for the embodiment of the present invention produces is with the variation diagram of stratum horizontal conductivity;
The variation diagram of the tertiary coil voltage imaginary component value that Fig. 7 provides for embodiment of the present invention layer horizontal conductivity everywhere;
The variation diagram of the second coil voltage imaginary component value that Fig. 8 provides for embodiment of the present invention layer horizontal conductivity everywhere.
In well logging apparatus, tertiary coil is horizontally disposed with on the drill collar of well logging apparatus, and as change anisotropy ratio, tertiary coil is only to horizontal conductivity response, and not to vertical conductivity response, the second coil all responds horizontal conductivity and vertical conductivity.As shown in Figure 5, a shape is into a line; As shown in Figure 6, anisotropy changing ratio is had to be followed successively by five lines of 1,2,5,10,20.
As shown in Figure 7,8, horizontal conductivity is between from 0.001 to 1, the value of voltage imaginary has almost no change, and in Fig. 7, voltage imaginary maximum value is 1 place in horizontal conductivity, now, the variable quantity of voltage imaginary component value is maximum, is no more than 10%, in relative corresponding diagram 5, horizontal conductivity is between from 0.001 to 1, and the variable quantity of voltage real component is insignificant; In Fig. 8, the variable quantity of the voltage imaginary component value under anisotropy ratio is also very little, and maximum value is 1 place in horizontal conductivity, and anisotropy ratio is that the variable quantity of the voltage imaginary component value of 10,20,5,2 and 1 is very little, less than 10%.
The forward model provided in the embodiment of the present invention calculates the logging data interpretation that can be good at instructing well logging apparatus.
Therefore, the present patent application provides one under peupendicular hole condition, can measure thin strate electrical conductivity and anisotropic design and corresponding signal processing method with boring electromagnetic wave logging device.The method that this patent provides improves the vertical resolution of instrument by new Instrument Design thinking, signal processing method only adopts the real part of voltage signal, abandon imaginary part formation conductivity signal and respond unconspicuous shortcoming, by two groups of signals be used alternatingly can well determine stratum horizontal conductivity, vertical conductivity and reservoir position.
Professional should recognize further, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with electronic hardware, computer software or the combination of the two, in order to the interchangeability of hardware and software is clearly described, generally describe composition and the step of each example in the above description according to function.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random access memory (RAM), internal memory, read-only storage (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1., with a brill electromagnetic wave logging device, described device comprises drill collar and multiple coil, it is characterized in that,
In the first area of described drill collar, be provided with the first coil, the angle in the cross section of described first coil place plane and described drill collar is θ
t, 0 ° of < θ
t<180 °;
At the second area of described drill collar, be respectively arranged with the second coil and tertiary coil; Wherein said second coil place plane is mutually vertical with described first coil place plane; Described tertiary coil place plane is mutually vertical with the axis of described drill collar;
The center of the center of described first coil, the center of the second coil and described tertiary coil respectively with the dead in line of described drill collar.
2. device according to claim 1, is characterized in that, described second coil and described tertiary coil are arranged on the side of described first coil, wherein, and the center of described tertiary coil and the center superposition of described second coil; Or
Described second coil and tertiary coil are separately positioned on the both sides of described first coil.
3. device according to claim 1, is characterized in that, the external surface of described drill collar comprises multiple groove; Described first coil, the second coil and described tertiary coil are separately positioned in described groove, in order to described first coil, the second coil and described tertiary coil to be separately fixed on the external surface of described drill collar.
4. device according to claim 1, is characterized in that, the angle in the cross section of the relatively described drill collar of described first coil is 45 °.
5. device according to claim 1, is characterized in that, described drill collar is specially without magnetic metal drill collar.
6. application rights requires the logging method with brill electromagnetic wave logging device described in 1, it is characterized in that,
Utilize AC power to provide alternating current to input for the first coil, generate electromagnetic waves according to described alternating current in order to described first coil;
Second coil receives described electromagnetic wave, and produces the first induced electromotive force; Tertiary coil receives described electromagnetic wave, and produces the second induced electromotive force;
Described first induced electromotive force and described second induced electromotive force are detected;
Respectively data processing is carried out to described first induced electromotive force and described second induced electromotive force, obtains the first component of voltage, the second component of voltage;
Formation anisotropy parameter is obtained according to described first component of voltage and the second component of voltage.
7. method according to claim 6, is characterized in that, described formation anisotropy parameter comprises: horizontal conductivity and vertical conductivity.
8. method according to claim 6, is characterized in that, describedly carries out data processing respectively to described first induced electromotive force and described second induced electromotive force, obtains the first component of voltage and the second component of voltage is specially:
By phase-sensitive detector, voltage process is carried out to described first induced electromotive force, obtain the first component of voltage;
By described phase-sensitive detector, voltage process is carried out to described second induced electromotive force, obtain the second component of voltage.
9. method according to the arbitrary claim of claim 6 or 7, it is characterized in that, describedly obtain formation anisotropy parameter according to described first component of voltage and the second component of voltage and be specially: according to described second component of voltage, carry out calculating horizontal conductivity;
Vertical conductivity is obtained according to described horizontal conductivity and described first component of voltage.
10. a kind of application rights comprised described in the arbitrary claim of claim 6-9 requires a system for the logging method with brill electromagnetic wave logging device of 1, and it is characterized in that, described system comprises:
The voltage detecting circuit be connected with tertiary coil with the second coil respectively, the second reaction electromotive force that the first induced electromotive force and tertiary coil for detecting the second coil generation respectively produce;
Connect the phase-sensitive detector of described voltage detecting circuit, for carrying out data processing to described first induced electromotive force and described second induced electromotive force respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410749404.0A CN104612661B (en) | 2014-12-09 | 2014-12-09 | One kind is with brill electromagnetic wave logging device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410749404.0A CN104612661B (en) | 2014-12-09 | 2014-12-09 | One kind is with brill electromagnetic wave logging device and method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104612661A true CN104612661A (en) | 2015-05-13 |
| CN104612661B CN104612661B (en) | 2018-09-11 |
Family
ID=53147286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410749404.0A Active CN104612661B (en) | 2014-12-09 | 2014-12-09 | One kind is with brill electromagnetic wave logging device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104612661B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461191A (en) * | 2017-08-03 | 2017-12-12 | 中石化石油工程技术服务有限公司 | One kind is with brill orientation electromagnetic wave frontier probe instrument temperature scale method |
| CN117328862A (en) * | 2023-12-01 | 2024-01-02 | 齐鲁工业大学(山东省科学院) | Holographic logging method and transmitting and receiving circuit applied to azimuth logging while drilling instrument |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1580821A (en) * | 2003-08-08 | 2005-02-16 | 施卢默格海外有限公司 | Electromagnetic method for determining dip angles independent of mud type and borehole environment |
| CN1869400A (en) * | 2005-05-27 | 2006-11-29 | 中国石化集团胜利石油管理局钻井工艺研究院 | Double-induction resistivity measuring instrument during drilling |
| US20100123462A1 (en) * | 1999-01-28 | 2010-05-20 | Halliburton Energy Services, Inc. | Electromagnetic Wave Resistivity Tool Having a Tilted Antenna for Geosteering within a Desired Payzone |
| CN102031964A (en) * | 2009-10-05 | 2011-04-27 | 普拉德研究及开发股份有限公司 | Multilevel workflow method for extracting resistivity anisotropy data from 3d induction measurements |
| CN102635347A (en) * | 2012-03-30 | 2012-08-15 | 中国电子科技集团公司第二十二研究所 | Method for quantitatively enabling thin interbed to be equivalent to formation with horizontal and vertical resistivities |
| CN102678106A (en) * | 2012-05-02 | 2012-09-19 | 中国电子科技集团公司第二十二研究所 | Data processing method for LWD (Logging While Drilling) electromagnetic wave resistivity logging instrument |
| CN102865067A (en) * | 2012-09-12 | 2013-01-09 | 中国海洋石油总公司 | Array coil system of azimuthal electromagnetic wave resistivity logging instrument while drilling |
| CN103775076A (en) * | 2014-01-27 | 2014-05-07 | 中国科学院声学研究所 | Magnetic susceptibility detecting device |
-
2014
- 2014-12-09 CN CN201410749404.0A patent/CN104612661B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100123462A1 (en) * | 1999-01-28 | 2010-05-20 | Halliburton Energy Services, Inc. | Electromagnetic Wave Resistivity Tool Having a Tilted Antenna for Geosteering within a Desired Payzone |
| CN1580821A (en) * | 2003-08-08 | 2005-02-16 | 施卢默格海外有限公司 | Electromagnetic method for determining dip angles independent of mud type and borehole environment |
| CN1869400A (en) * | 2005-05-27 | 2006-11-29 | 中国石化集团胜利石油管理局钻井工艺研究院 | Double-induction resistivity measuring instrument during drilling |
| CN102031964A (en) * | 2009-10-05 | 2011-04-27 | 普拉德研究及开发股份有限公司 | Multilevel workflow method for extracting resistivity anisotropy data from 3d induction measurements |
| CN102635347A (en) * | 2012-03-30 | 2012-08-15 | 中国电子科技集团公司第二十二研究所 | Method for quantitatively enabling thin interbed to be equivalent to formation with horizontal and vertical resistivities |
| CN102678106A (en) * | 2012-05-02 | 2012-09-19 | 中国电子科技集团公司第二十二研究所 | Data processing method for LWD (Logging While Drilling) electromagnetic wave resistivity logging instrument |
| CN102865067A (en) * | 2012-09-12 | 2013-01-09 | 中国海洋石油总公司 | Array coil system of azimuthal electromagnetic wave resistivity logging instrument while drilling |
| CN103775076A (en) * | 2014-01-27 | 2014-05-07 | 中国科学院声学研究所 | Magnetic susceptibility detecting device |
Non-Patent Citations (1)
| Title |
|---|
| 张雷 等: "横向各向同性地层中倾斜线圈系响应特征的数值模拟", 《地球物理学报》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461191A (en) * | 2017-08-03 | 2017-12-12 | 中石化石油工程技术服务有限公司 | One kind is with brill orientation electromagnetic wave frontier probe instrument temperature scale method |
| CN107461191B (en) * | 2017-08-03 | 2021-09-14 | 中石化石油工程技术服务有限公司 | Temperature calibration method for orientation-while-drilling electromagnetic wave boundary detection instrument |
| CN117328862A (en) * | 2023-12-01 | 2024-01-02 | 齐鲁工业大学(山东省科学院) | Holographic logging method and transmitting and receiving circuit applied to azimuth logging while drilling instrument |
| CN117328862B (en) * | 2023-12-01 | 2024-02-13 | 齐鲁工业大学(山东省科学院) | Holographic logging method and transmitting and receiving circuit applied to azimuth logging while drilling instrument |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104612661B (en) | 2018-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101082276B (en) | Methods of characterizing underground formation and its measuring device | |
| US8624969B2 (en) | Methods of electromagnetic migration imaging of geologic formation | |
| CN104656157B (en) | A kind of method and device in identification shale gas dessert area | |
| CA3140364A1 (en) | Systems and methods for electromagnetic waterfront surveillance in a vicinity of an oil well | |
| CN102678106A (en) | Data processing method for LWD (Logging While Drilling) electromagnetic wave resistivity logging instrument | |
| CN106407574A (en) | A rapid forward modeling and inversion processing method for a multi-component while-drilling azimuth electromagnetic wave instrument | |
| Basu et al. | A new method for fracture diagnostics using low frequency electromagnetic induction | |
| CN107191181B (en) | Well periphery interface detection method based on electromagnetic scattering | |
| CN103352696A (en) | Method for measuring stratum oriented resistivity | |
| Chen et al. | A study of coalbed methane (CBM) reservoir boundary detections based on azimuth electromagnetic waves | |
| CN107944159A (en) | One kind is with brill electromagnetic wave forward modeling simulation data base high accuracy compression method | |
| AU2015218886B2 (en) | Electromagnetic fields using a conductive casing | |
| Epov et al. | Electromagnetic tool for high-resolution logging: theoretical and experimental studies | |
| AU2014309129A1 (en) | Systems and methods for remote electromagnetic exploration for mineral and energy resources using stationary long-range transmitters | |
| Chen et al. | Using an azimuth electromagnetic wave imaging method to detect and characterize coal-seam interfaces and low-resistivity anomalies | |
| CN104612661A (en) | Electromagnetic wave well logging device and method along with drilling | |
| Zhai et al. | Characterization of hydraulic fractures with triaxial electromagnetic induction and sector coil rotation measurement | |
| CN111474592A (en) | Interwell electromagnetic detection system and method | |
| CN107939385B (en) | Method for quantitatively calculating polarization value and application | |
| Onegova et al. | 3D simulation of transient electromagnetic field for geosteering horizontal wells | |
| US10830915B2 (en) | Method of determining subsurface properties using multifrequency electromagnetic depth sounding | |
| US20210072420A1 (en) | Low frequency complex resistivity measurement in a formation | |
| Jahani et al. | Limits of 3D detectability and resolution of LWD deep-sensing borehole electromagnetic measurements acquired in the Norwegian Continental Shelf | |
| Lu et al. | Tunnel concealed karst cave joint detection by tunnel seismic and transient electromagnetic | |
| WEI et al. | Simulating the Response of Induction Logging‐While‐Drilling Tools by Vector Eigenfunction Expansion Formulae of Dyadic Green's Functions |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |