CN106194043A - A kind of based on capacity coupled intelligent drilling rod system - Google Patents
A kind of based on capacity coupled intelligent drilling rod system Download PDFInfo
- Publication number
- CN106194043A CN106194043A CN201610703120.7A CN201610703120A CN106194043A CN 106194043 A CN106194043 A CN 106194043A CN 201610703120 A CN201610703120 A CN 201610703120A CN 106194043 A CN106194043 A CN 106194043A
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- intelligent drilling
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- 238000005553 drilling Methods 0.000 title claims abstract description 142
- 239000003990 capacitor Substances 0.000 claims abstract description 13
- 230000008054 signal transmission Effects 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 4
- 241001074085 Scophthalmus aquosus Species 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 230000001413 cellular effect Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 16
- 238000004891 communication Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 14
- 238000000034 method Methods 0.000 description 10
- 230000009897 systematic effect Effects 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000011514 reflex Effects 0.000 description 2
- 230000011664 signaling Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 238000012360 testing method 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Remote Sensing (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
Abstract
The invention provides a kind of based on capacity coupled intelligent drilling rod system, described intelligent drilling rod system includes front end signal catcher, actuator, relay, signal receiver, drilling rod unit and joint, the internal cable arranged for signal transmission of described drilling rod unit；The end that described intelligent drilling rod system adjacent drill pipes unit mutually abuts is built in described joint, leaves space between the end that described adjacent drill pipes unit mutually abuts；The end that described adjacent drill pipes unit mutually abuts arranges annular slice structure, and described annular slice structure end face forms a capacitor plate, and the capacitor plate mutually abutted forms plates capacitance；The internal described cable of each drilling rod unit overlaps with the capacitor plate of end face.
Description
Technical field
The present invention relates to technical field is monitored and controlled, particularly to one based on capacity coupled intelligent drilling rod system.
Background technology
When oil exploitation, in the drilling process of the either deviation prevention and fast of drilling well, or directional well and horizontal well, all need
To understand drilling state and formation information in hole in time.Measurement-while-drilling system can in drilling process Automatic continuous measure shaft bottom attached
Near relevant parameters for transmission, to ground, carries out Real time vision, stores, processes and print, for next step detail design
Foundation is provided, is to monitor wellbore trace, the in time requisite instrument of correction continuously.Measurement-while-drilling system is divided into wired and nothing
Line, owing to the cable of wired measuring system often affects normal drilling process, therefore wireless drilling measures system is to send out at present
The direction of exhibition.Conventional being wirelessly transferred includes mud-pulse and electromagnetic measurement while drilling system, wherein mud-pulse transmission means
Relying primarily on mud pressure variations formation pressure pulse to transmit to realize signal, the method signal transmission rate is the slowest, it is achieved
Frame for movement of getting up is more complicated, and along with the mud erosion to drilling rod etc., can cause bigger error, and have a strong impact on system can
By property.The nineties in 20th century, abroad some scholars proceed by electromagnetic measurement while drilling systematic research, and achieve certain
Achievement, China the research of electromagnetic measurement while drilling system aspects carry out relatively early, but until the most just obtain
Substantial progress.Up to the present, the domestic electromagnetic measurement while drilling system that have developed, but these systems are mostly unidirectional letter
Number transmission, and need the biggest transmitting power, simultaneity factor is affected seriously by formation parameter, makes stratum join when generation rainfall etc.
During the situation that number changes, systematic function is by by serious test.
It is that wired connection provides good wiring space in view of drilling rod, utilizes drilling rod to carry out the intelligence brill of information transmission
Pole technology is just widely studied.The research of existing intelligent drilling rod is mostly to install coil in drill rod connector position, passes through line
Mutual inductance effect between circle realizes signal transmission.Simultaneously as drilling rod internal mud, the impact of drilling fluid, can seriously aggravate height
The decay of frequency electromagnetic waves and reduce the coefficient of coup between coil, it is impossible to realize transmission at a distance.The most existing study model is big
The most directly have ignored the internal resistance of transmission line, but the internal resistance of transmission line can not be ignored in a few km transmitting procedures.
Can be effectively prevented, accordingly, it would be desirable to a kind of, the coefficient of coup reducing between coil because of the decay of frequency electromagnetic waves, make
One-tenth cannot long-distance transmissions based on capacity coupled intelligent drilling rod system.
Summary of the invention
It is an object of the invention to provide a kind of based on capacity coupled intelligent drilling rod system, described intelligent drilling rod system bag
Including front end signal catcher, actuator, relay, signal receiver, drilling rod unit and joint, described drilling rod unit is internal to be arranged
Cable for signal transmission；
The end that described intelligent drilling rod system adjacent drill pipes unit mutually abuts is built in described joint, described adjacent brill
Space is left between the end that bar unit mutually abuts；
The end that described adjacent drill pipes unit mutually abuts arranges annular slice structure, described annular slice structure end face shape
Becoming a capacitor plate, the capacitor plate mutually abutted forms plates capacitance；The internal described cable of each drilling rod unit and end face
Capacitor plate overlap joint.
Preferably, having hole in the middle of described annular slice structure, described hole is for the stream of drilling rod unit internal liquid
Dynamic.
Preferably, described annular slice structure is made up of insulant.
Preferably, described relay is arranged on described drilling rod unit, increases inductance for described drilling rod unit；Described relay
Device constitutes LC series loop with described plates capacitance.
Preferably, between internal connection line and the drilling rod unit metal outer wall of described drilling rod unit, leakage capacitance is set.
Preferably, terminal coupling impedance is set at described intelligent drilling rod system receiving terminal.
Preferably, the cable for signal transmission is armored cable.
The one that the present invention provides passes through to be formed between drilling rod unit end pole based on capacity coupled intelligent drilling rod system
Plate electric capacity, the interior relay arranged constitutes LC series loop, to plates capacitance in message transmitting procedure effectively with on drilling rod unit
Prevents the coefficient of coup only reducing between coil because of the decay of frequency electromagnetic waves, and that causes cannot the asking of long-distance transmissions
Topic.
Should be appreciated that aforementioned description substantially is exemplary illustration and explanation with follow-up detailed description, should not
It is used as the restriction of content claimed to the present invention.
Accompanying drawing explanation
With reference to the accompanying drawing enclosed, as follows by by embodiment of the present invention of the more purpose of the present invention, function and advantage
Description is illustrated, wherein:
Fig. 1 schematically shows present invention structure chart based on capacity coupled intelligent drilling rod system；
Fig. 2 shows present invention joint cut-away view based on capacity coupled intelligent drilling rod system；
Fig. 3 shows embodiment of the present invention equivalent circuit diagram based on capacity coupled intelligent drilling rod system；
Fig. 4 shows that the embodiment of the present invention is based on different communication frequency in capacity coupled intelligent drilling rod system effect bandwidth
Under attenuation quotient；
Fig. 5 shows that the embodiment of the present invention is based on different communication frequency in capacity coupled intelligent drilling rod system effect bandwidth
Under propagation constant；
Fig. 6 shows that the embodiment of the present invention is based on different communication frequency in capacity coupled intelligent drilling rod system effect bandwidth
Under group velocity；
Fig. 7 shows that the embodiment of the present invention is based on different communication frequency in capacity coupled intelligent drilling rod system effect bandwidth
Under terminal build-out resistor；
Fig. 8 shows that the embodiment of the present invention is based on different communication frequency in capacity coupled intelligent drilling rod system effect bandwidth
Under terminal coupling inductance.
Detailed description of the invention
By with reference to one exemplary embodiment, the purpose of the present invention and function and for realizing the side of these purposes and function
Method will be illustrated.But, the present invention is not limited to one exemplary embodiment disclosed below；Can be come by multi-form
It is realized.The essence of description is only the detail helping the various equivalent modifications Integrated Understanding present invention.
Hereinafter, embodiments of the invention will be described with reference to the drawings.In the accompanying drawings, identical reference represents identical
Or similar parts, or same or similar step.
The present embodiment be specifically described a kind of based on capacity coupled intelligent drilling rod system and its realize distant signal and pass
The process passed.
Present invention structure Figure 100 based on capacity coupled intelligent drilling rod system, described intelligent drilling rod system as shown in Figure 1
System includes front end signal catcher 103, actuator 104, relay 105, signal receiver 106, drilling rod unit 101 and joint
102, in some embodiments, the quantity of drilling rod unit 101 is determined by the distance between concrete signal transmits.Further, originally
Invention intelligent drilling rod system drilling rod progression can be substantially larger than 20 drilling rod units.The present invention is based on capacity coupled intelligence as shown in Figure 2
Joint 102 internal structure Figure 200 of energy drill pipe system, arranges the cable 203 for signal transmission, cable inside drilling rod unit
Use armored cable, it is possible to well preventing cable in the damage used and in installation process, cable arrangements is in drilling rod unit
Between inner chamber and fluid flow paths.
The end that intelligent drilling rod system adjacent drill pipes unit mutually abuts is built in joint, and adjacent drill pipes unit mutually supports
Space is left between the end connect.
The end that adjacent drill pipes unit mutually abuts arranges annular slice structure 201, and annular slice structure 201 is by insulation material
Material is made, and insulant may select organic insulation, it is also possible to select inorganic insulating material, for the selection basis of insulant
Invention is not specifically limited, it should all insulant thinkable for those skilled in the art.In the middle of annular slice structure
Having hole, described hole is the flowing of liquid in drilling rod unit internal fluid passageways 204.
Annular slice structure end face forms a capacitor plate 202, using foil as capacitor plate in the present embodiment
Material, the selection present invention similarly, for capacitive plate material is also not particularly limited.The capacitor plate mutually abutted is formed
Plates capacitance, inside each drilling rod unit, described cable 203 overlaps (the mode company such as welded with the capacitor plate 202 of end face
Connect cable and capacitor plate).
Relay is arranged on drilling rod unit, increases inductance for described drilling rod unit, and relay constitutes LC with plates capacitance
Series loop, arranges leakage capacitance between the internal connection line and drilling rod unit metal outer wall of drilling rod unit.
In certain embodiments, during operation, each drilling rod unit forms a LC series circuit, and front end signal is collected
In the well that device detects, state and bottom-up information are propagated forward by cable, will in the LC series circuit that each drilling rod is formed
Signal reaches next LC series circuit until being delivered to system receiving terminal signal receiver, and surface personnel is according to receiving
Signal judge down-hole state and bottom-up information.In other specific embodiments, based on capacity coupled intelligent drilling rod system
System can be also used for monitoring and surveys urban Underground pipeline, line leakage and oil and gas pipeline monitoring, it will be appreciated that this
The bright scope being not limited to above monitoring based on capacity coupled intelligent drilling rod system.
Hereinafter, the intelligent drilling rod system in conjunction with the embodiments provided the present invention realizes distant signal transmission process and does
Specific description.
In order to more clearly illustrate, the present embodiment provides the present invention based on capacity coupled intelligent drilling rod system etc.
Effect circuit model, as shown in Figure 3 present invention equivalent circuit diagram based on capacity coupled intelligent drilling rod system, front end signal is collected
Excitation signal voltage V that device is collected0Receive to system through multistage drilling rod (in the present embodiment, drilling rod progression is n level) transmission
End, signal receiver receives signal voltage Vn。
As a example by every drilling rod unit, the plates capacitance C of drilling rod unit represents, relay inductance L represents, drilling rod list
Unit inner cable resistance R0Represent, leakage capacitance C between drilling rod unit internal connection line and drilling rod unit metallic walls0Represent,
Equivalent circuit is used V0Represent excitation signal voltage.In the present embodiment, single in transmission based on capacity coupled intelligent drilling rod system
Unit's end arranges terminal build-out resistor, the signaling reflex caused in order to prevent transmission unit from blocking, terminal coupling in equivalent circuit
Impedance Z represents.
Give excitation signal voltage V of intelligent drilling rod system first order drilling rod unit0, in first order drilling rod unit loop
End produces voltage V1, loop produces electric current I0, intelligent drilling rod system second level drilling rod unit produces initial voltage V1, loop
Middle generation electric current I1.Between before and after first order drilling rod unit and second level drilling rod unit, voltage produces recurrence relationElectric current produces recurrence relation I1=I0-jωC0V1。
Similarly, between before and after (n-1)th grade of drilling rod unit and n-th grade of drilling rod unit, voltage produces recurrence relationElectric current produces recurrence relation In=In-1-jωC0Vn。
In embodiment between n level drilling rod unit voltage recurrence relation arrange obtain voltage transmission formula:
Intelligent drilling rod system bandwidth
In this enforcement, drilling rod unit different parameters is selected to determine the bound characteristic frequency of intelligent drilling rod system bandwidth, its
In, choose C0=153pF, C=0.067nF, L=1000uH, R0=0.17 Ω.In further embodiments, drilling rod unit parameter
Select determine according to on-the-spot operation practical situation, the drilling rod unit parameter chosen in the present embodiment is considered to be exemplary
's.
Transmission equation based on capacity coupled intelligent drilling rod system is:
vn=v0e-jknde-nαd, n=1,2,3.... (2)
In formula (2), n is drilling rod unit progression, and k is Systematic Communication constant, and α is attenuation quotient.In the present embodiment, drilling rod
Element length selects d=10m, does not consider that the decay during system transfers (will be explained in more detail the present invention in embodiments below
Based on capacity coupled intelligent drilling rod system attenuation coefficient).
Formula (2) is brought in formula (1) and obtains:Public by Euler
Formula real part is equal to be obtained:Due to-1≤cos (kd)≤1, then obtain intelligent drilling rod system
Efficient communication frequency in the range of:
What the present embodiment was exemplary chooses C0=153pF, C=0.067nF, L=1000uH, R0=0.17 Ω, obtains intelligence
The up-and-down boundary characteristic frequency of drill pipe system bandwidth frequency, wherein obtains system bandwidth coboundary characteristic frequencySystem bandwidth lower boundary characteristic frequencyIn the present embodiment
The present invention relatively low communication frequency based on capacity coupled intelligent drilling rod system is utilized to realize distant signal transmission.
Intelligent drilling rod system attenuation coefficient
Formula (2) is brought in formula (1) and obtains equation:
(ejkdeαd)2-Xejkdeαd+ 1=0 (3)
Wherein,Solving equation (3) obtains:
X is obtained according to two real parts and imaginary part are the most equal2-4≤0, e on the left of (4) formula in embodimentjkdMould be 1, (4)
On the right side of formulaMould be 1.Thus solve the attenuation quotient α under intelligent drilling rod system different communication frequency.Such as figure
The embodiment of the present invention shown in 4 is based on the attenuation quotient in capacity coupled intelligent drilling rod system effect bandwidth, the present embodiment intelligence
The effective bandwidth scope mid portion of drill pipe system, the least and different frequency the attenuation characteristic of attenuation quotient equalizes, in frequency
During close to bandwidth bound, attenuation quotient sharply increases.Intelligent drilling rod system of the present invention in the range of effective bandwidth, system attenuation
The least long-distance transmissions ensuring that signal of coefficient.
The embodiment of the present invention is based on different communication frequency in capacity coupled intelligent drilling rod system effect bandwidth as shown in Figure 5
Under propagation constant, in intelligent drilling rod system effect bandwidth the propagation constant under different communication frequency along with frequency increase and
Increase.In certain embodiments, specific frequency and attenuation quotient may determine that and uniquely propagate general knowledge.
Intelligent drilling rod systematic group speed
Define according to group velocityIn the present embodiment, intelligent drilling rod systematic group speed byThe k derivation of peer-to-peer both sides, obtains embodiment of the present invention intelligent drilling rod systematic group speed:
The embodiment of the present invention is based on different communication frequency in capacity coupled intelligent drilling rod system effect bandwidth as shown in Figure 6
Under group velocity.At effective bandwidth mid portion, along with frequency is gradually reduced to the movement of bandwidth up-and-down boundary, group velocity.This
In embodiment, intelligent drilling rod systematic group speed controlling realizes signal long-distance transmissions in bandwidth, it is preferable that can select frequency
ω is the group velocity under 5MHz.In certain embodiments, group velocity corresponding under different frequency in the range of effective bandwidth can be selected
Degree.In further embodiments, it is also possible to rationally select communication bandwidth to make group velocity control in effective bandwidth.
Intelligent drilling rod system terminal mates
In the embodiment of the present invention, carrying out terminal coupling at intelligent drilling rod system end, terminal coupling impedance Z represents, root
Obtain according to Kirchhoff's current law (KCL):
V is obtained by embodiment of the present invention intelligent drilling rod system transfers equation (2) formulan-1=VnejkdBring in formula (5), its
In, make resistance R0=0, attenuation quotient α=0, obtain the embodiment of the present invention terminal coupling impedance:
Terminal coupling impedance described above is connected by resistance and inductance and is realized, i.e. Z=Rm+jωLm, wherein RmFor coupling
Resistance, LmFor coupling inductance.Embodiment carries out terminal coupling at intelligent drilling rod system end, it is to avoid signal transmission is to intelligence
Drilling rod end blocks, due to drilling rod unit, the situation of signaling reflex of there will be.
The present invention is based on the group under different communication frequency in capacity coupled intelligent drilling rod system effect bandwidth as shown in Figure 7
Terminal build-out resistor；The present invention shown in Fig. 8 is based under different communication frequency in capacity coupled intelligent drilling rod system effect bandwidth
Group terminal coupling inductance.Specifically, required under different frequency in intelligent drilling rod system effect bandwidth terminal coupling electricity
Hinder different with coupling inductance.
Preferably, in certain embodiments, the build-out resistor needed for bandwidth center frequency correspondence can select 1.27K
Ω, coupling inductance may select 200uH.
One provided by the present invention can apply in certain embodiments based on capacity coupled intelligent drilling rod system
Oil exploitation downhole detection, may be used for the downhole detection of urban duct in further embodiments.
In conjunction with explanation and the practice of the present invention disclosed here, other embodiments of the present invention are for those skilled in the art
All it is easy to expect and understand.Illustrating and embodiment is to be considered only as exemplary, true scope and the purport of the present invention are equal
It is defined in the claims.
Claims (7)
1., based on a capacity coupled intelligent drilling rod system, described intelligent drilling rod system includes front end signal catcher, regulation
Device, relay, signal receiver, drilling rod unit and joint, it is characterised in that the internal layout of described drilling rod unit passes for signal
The cable passed；
The end that described intelligent drilling rod system adjacent drill pipes unit mutually abuts is built in described joint, described adjacent drill pipes list
Space is left between the end that unit mutually abuts；
The end that described adjacent drill pipes unit mutually abuts arranges annular slice structure, and described annular slice structure end face forms one
Individual capacitor plate, the capacitor plate mutually abutted forms plates capacitance；The internal described cable of each drilling rod unit and the electricity of end face
Hold pole plate overlap joint.
2. to go the intelligent drilling rod system described in 1 according to right, it is characterised in that in the middle of described annular slice structure, have hole
Hole, described hole is for the flowing of drilling rod unit internal liquid.
Intelligent drilling rod cellular system the most according to claim 1 and 2, it is characterised in that described annular slice structure is by absolutely
Edge material is made.
Intelligent drilling rod system the most according to claim 1, it is characterised in that described relay is arranged on described drilling rod unit
On, increase inductance for described drilling rod unit；Described relay constitutes LC series loop with described plates capacitance.
Intelligent drilling rod system the most according to claim 1, it is characterised in that the internal connection line of described drilling rod unit and brill
Between bar unit metal outer wall, leakage capacitance is set.
Intelligent drilling rod system the most according to claim 1, it is characterised in that set at described intelligent drilling rod system receiving terminal
Put terminal coupling impedance.
Intelligent drilling rod system the most according to claim 1, it is characterised in that the cable for signal transmission is armouring electricity
Cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610703120.7A CN106194043B (en) | 2016-08-22 | 2016-08-22 | One kind being based on capacity coupled intelligent drilling rod system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610703120.7A CN106194043B (en) | 2016-08-22 | 2016-08-22 | One kind being based on capacity coupled intelligent drilling rod system |
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| Publication Number | Publication Date |
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| CN106194043A true CN106194043A (en) | 2016-12-07 |
| CN106194043B CN106194043B (en) | 2018-07-24 |
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| CN201610703120.7A Active CN106194043B (en) | 2016-08-22 | 2016-08-22 | One kind being based on capacity coupled intelligent drilling rod system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499386A (en) * | 2016-12-16 | 2017-03-15 | 北京科技大学 | A kind of nearly drill bit logging system and method based on coupled communication |
| CN109488288A (en) * | 2018-10-15 | 2019-03-19 | 中国石油大学(华东) | Intelligent drilling rod electromagnetic parameter design method for Measurement While Drilling Data transmission |
| CN110578514A (en) * | 2019-10-16 | 2019-12-17 | 高九华 | Directional construction track measuring and correcting device for rotary drill rod |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996023368A1 (en) * | 1995-01-27 | 1996-08-01 | Tsl Technology Ltd. | Method and apparatus for communicating by means of an electrical power cable |
| CN201247521Y (en) * | 2008-08-21 | 2009-05-27 | 中国石油天然气集团公司 | Device for coupling arced non-contact signal |
| CN101525997A (en) * | 2008-03-06 | 2009-09-09 | 中国石油化工股份有限公司 | Downhole signal transmitting device for electromagnetic measurement while drilling system and transmitting method thereof |
| CN203756158U (en) * | 2013-12-31 | 2014-08-06 | 中国石油化工集团公司 | Double-flow drill rod signal transmission system |
| US20140232548A1 (en) * | 2013-02-20 | 2014-08-21 | Baker Hughes Incorporated | Alternating frequency time domain approach to calculate the forced response of drill strings |
| CN203925484U (en) * | 2014-03-25 | 2014-11-05 | 中国石油大学(北京) | A kind of novel well logging during data transmission system |
-
2016
- 2016-08-22 CN CN201610703120.7A patent/CN106194043B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1996023368A1 (en) * | 1995-01-27 | 1996-08-01 | Tsl Technology Ltd. | Method and apparatus for communicating by means of an electrical power cable |
| CN101525997A (en) * | 2008-03-06 | 2009-09-09 | 中国石油化工股份有限公司 | Downhole signal transmitting device for electromagnetic measurement while drilling system and transmitting method thereof |
| CN201247521Y (en) * | 2008-08-21 | 2009-05-27 | 中国石油天然气集团公司 | Device for coupling arced non-contact signal |
| US20140232548A1 (en) * | 2013-02-20 | 2014-08-21 | Baker Hughes Incorporated | Alternating frequency time domain approach to calculate the forced response of drill strings |
| CN203756158U (en) * | 2013-12-31 | 2014-08-06 | 中国石油化工集团公司 | Double-flow drill rod signal transmission system |
| CN203925484U (en) * | 2014-03-25 | 2014-11-05 | 中国石油大学(北京) | A kind of novel well logging during data transmission system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499386A (en) * | 2016-12-16 | 2017-03-15 | 北京科技大学 | A kind of nearly drill bit logging system and method based on coupled communication |
| CN106499386B (en) * | 2016-12-16 | 2019-12-24 | 北京科技大学 | Near-bit well logging system and method based on coupling communication |
| CN109488288A (en) * | 2018-10-15 | 2019-03-19 | 中国石油大学(华东) | Intelligent drilling rod electromagnetic parameter design method for Measurement While Drilling Data transmission |
| CN109488288B (en) * | 2018-10-15 | 2021-06-15 | 中国石油大学(华东) | Intelligent drill rod electromagnetic parameter design method for measurement while drilling data transmission |
| CN110578514A (en) * | 2019-10-16 | 2019-12-17 | 高九华 | Directional construction track measuring and correcting device for rotary drill rod |
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| Publication number | Publication date |
|---|---|
| CN106194043B (en) | 2018-07-24 |
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