CN106351649A - Magnetoinductive wave intelligent drill pipe measuring system - Google Patents
Magnetoinductive wave intelligent drill pipe measuring system Download PDFInfo
- Publication number
- CN106351649A CN106351649A CN201610703133.4A CN201610703133A CN106351649A CN 106351649 A CN106351649 A CN 106351649A CN 201610703133 A CN201610703133 A CN 201610703133A CN 106351649 A CN106351649 A CN 106351649A
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- magnetic induction
- drilling rod
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- measuring system
- node unit
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- 230000006698 induction Effects 0.000 claims abstract description 109
- 238000004891 communication Methods 0.000 claims abstract description 36
- 238000012545 processing Methods 0.000 claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 238000007405 data analysis Methods 0.000 claims abstract description 7
- 238000005553 drilling Methods 0.000 claims description 71
- 238000004458 analytical method Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000008054 signal transmission Effects 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
- 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
-
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/02—Couplings; joints
- E21B17/028—Electrical or electro-magnetic connections
-
- 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
- E21B17/02—Couplings; joints
- E21B17/04—Couplings; joints between rod or the like and bit or between rod and rod or the like
Landscapes
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Geophysics (AREA)
- Geophysics And Detection Of Objects (AREA)
Abstract
The invention provides a magnetoinductive wave intelligent drill pipe measuring system. The system comprises a ground system and an underground measuring system. The underground measuring system comprises magnetic induction drill pipe units, a magnetic induction sensing node unit, a magnetic induction communication node unit and magnetic induction waveguide coils on the inner sides of the two ends of drill pipes. The magnetic induction drill pipe units comprise first magnetic induction coils, second magnetic induction coils, the drill pipes, drill pipe connecting lines and drill pipe connectors, and the drill pipe connectors are in mutual induction through the magnetic induction coils to achieve information transmission. The magnetic induction sensing node unit comprises a third magnetic induction coil, a data processing module and a sensor arranged at the front section of a drill bit. The magnetic induction communication node unit comprises a first communication module and an analog signal processing module. The ground system comprises a second communication module, a data analysis module, a digital signal processing module and a storage module. Underground information transmission with the ground system is achieved between the first communication module and the second communication module.
Description
Technical field
The present invention relates to field of measuring technique, particularly to a kind of magnetic induction ripple intelligent drilling rod measuring system.
Background technology
Generally, in oil exploitation, the drilling process of the either deviation prevention and fast of drilling well, or directional well and horizontal well
In, it is required for understanding in the hole drilling state and formation information in time.Measurement-while-drilling system can be surveyed Automatic continuous in drilling process
Relevant parameters for transmission near amount shaft bottom, to ground, carries out Real time vision, storage, processes and print, be next step
Detail design provides foundation, is continuous monitoring wellbore trace, the in time requisite instrument of correction.Measurement-while-drilling system is divided into be had
With wirelessly, because the cable of wired measuring system often affects normal drilling process, therefore wireless drilling measuring system is line
The direction of development at present.
Conventional is wirelessly transferred including mud-pulse and electromagnetic measurement while drilling system.Wherein mud-pulse transmission means master
Rely on mud pressure variations formation pressure pulse very slow to realize signal transmission, the method signal transmission rate, realize
Come that frame for movement is more complicated, and the erosion to drilling rod etc. with mud, larger error can be caused, have a strong impact on the reliability of system
Property.The nineties in 20th century, abroad some scholars proceed by electromagnetic measurement while drilling systematic research, and achieve certain one-tenth
Really.China electromagnetic measurement while drilling system aspects research carry out relatively early, but until just obtained real in recent years
The progress of matter.But these systems are mostly unidirectional signal transfer, and need very big transmission power, and simultaneity factor is subject to stratum
Parameter impact is serious, and when occurring rainfall etc. to make the situation that formation parameter changes, systematic function will be tested by serious.
For convenience of site operation, and consider the factor such as mud and vibration, between intelligent drilling rod, adopt magnetic field direct-coupling more
Mode is communicated, but decays seriously it is difficult to carry out deep-well communication between coil level.
Accordingly, it would be desirable to one kind can efficiently solve, formation resistivity impact is serious, and transfer rate is low, and transmission power is big, passes
The near magnetic induction ripple intelligent drilling rod measuring system of defeated distance.
Content of the invention
It is an object of the invention to provide a kind of magnetic induction ripple intelligent drilling rod measuring system, described system includes ground system
With underground survey system it is characterised in that described underground survey system includes magnetic induction drilling rod unit, magnetic induction sensing node list
Magnetic induction waveguide coil inside unit, magnetic induction communication node unit and two ends of drill；
Described magnetic induction drilling rod unit include the first magnetic induction coil, the second magnetic induction coil, drilling rod, drilling rod connecting line and
Tool joint, described tool joint forms mutual inductance by magnetic induction coil and realizes information transmission；
Described magnetic induction sensing node unit includes the 3rd magnetic induction coil, data processing module and is arranged at chisel edge
Sensor；Described data processing module completes to the information transmission between described sensor and described second magnetic induction coil；
Described magnetic induction communication node unit includes first communication module, analog signal processing module；
Described ground system includes second communication module, data analysis module, digital signal processing module and memory module；
Between described first communication module and described second communication module, practice down-hole information and ground system transmit.
Preferably, described drilling rod connecting line connects described first magnetic induction coil and the second magnetic induction coil constitutes one and closes
Close loop.
Preferably, described drilling rod connection unit also includes adjustable impedance module, described adjustable impedance module and described drilling rod
Connecting line series connection tunes to magnetic induction drilling rod unit.
Preferably, described data analysis module is analyzed to the data message receiving, described analysis method include as
One or more of lower analysis method: time-domain analyses, frequency-domain analysiss and multifrequency domain analysiss.
A kind of magnetic induction ripple intelligent drilling rod measuring system that the present invention provides, according to site operation situation, increases counterboring bar number
Amount, realizes, in the case of less transmission power, accurately carrying out remote information transfer.
It should be appreciated that aforementioned description substantially and subsequently detailed description are exemplary illustration and explanation, should not
As the restriction to the claimed content of the present invention.
Brief description
With reference to the accompanying drawing enclosed, the more purpose of the present invention, function and advantage will be as follows by embodiment of the present invention
Description is illustrated, wherein:
Fig. 1 schematically shows the arrangement block diagram of magnetic induction ripple intelligent drilling rod measuring system of the present invention；
Fig. 2 shows the module frame chart of magnetic induction ripple intelligent drilling rod measuring system underground survey system of the present invention；
Fig. 3 shows magnetic induction ripple intelligent drilling rod measuring system magnetic induction coil series connection schematic diagram of the present invention；
Fig. 4 shows the frame of magnetic induction ripple intelligent drilling rod measuring system downhole system of the present invention and ground system information transmission
Figure；
Fig. 5 shows the arrangement figure of magnetic induction ripple intelligent drilling rod measuring system in the embodiment of the present invention；
Fig. 6 shows the magneto-inductive communications links schematic diagram of magnetic induction ripple intelligent drilling rod measuring system of the present invention；
Fig. 7 shows the equivalent circuit diagram of magnetic induction ripple intelligent drilling rod measuring system magnetic induction link of the present invention.
Specific embodiment
By reference to one exemplary embodiment, the purpose of the present invention and function and the side for realizing these purposes and function
Method will be illustrated.However, the present invention is not limited to one exemplary embodiment disclosed below；Can by multi-form Lai
It is realized.The essence of description is only to aid in the detail of 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 represent identical
Or similar part, or same or similar step.
In the following example, illustrate a kind of details of magnetic induction ripple intelligent drilling rod system provided by the present invention.For
Explaining of being more prone to, shows the arrangement block diagram of invention magnetic induction ripple intelligent drilling rod measuring system as shown in Figure 1, this
A kind of magnetic induction ripple intelligent drilling rod measuring system 100 that invention provides includes ground system 110 and underground survey system, described well
Lower measuring system include magnetic induction drilling rod unit 130, magnetic induction sensing node unit 140, magnetic induction communication node unit 120 with
And the magnetic induction waveguide coil inside two ends of drill.
The module frame chart of magnetic induction ripple intelligent drilling rod measuring system underground survey system of the present invention as shown in Figure 2, magnetic induction
Communication node unit 120 includes magnetic induction coil 121, analog signal processing module 122, first communication module 123 and power supply mould
Block 124.The end that magnetic induction communication node unit 120 is arranged on downhole system (will for realizing information transmission with ground system
Just illustrate in detail below).Analog signal processing module 122 in information exchanging process to receive analogue signal at
Reason.It should be understood that simulation signal processing module includes but is not limited to collection to the process of signal, amplifies and filter in embodiment
Ripple.Communication module 123 be used for be directly connected to realize signal transmission with ground system 110, in certain embodiments communication mode and
Agreement should include one or more of serial ports, bluetooth and tcp/ip；Power module 124 is magnetic induction communication node unit
120 offer power demands.
Magnetic induction drilling rod unit 130 includes the first magnetic induction coil 131, the second magnetic induction coil 133 and adjustable impedance mould
Block 132.Magnetic induction ripple intelligent drilling rod measuring system magnetic induction coil series connection schematic diagram of the present invention as shown in Figure 3；First magnetic induction
Coil 131 and the second magnetic induction coil 133 constitute a closed-loop path by drilling rod connecting line 134.Connect in the closed circuit
Adjustable impedance module 132 is tuned to magnetic induction drilling rod unit.
Magnetic induction sensing node unit 140 include being arranged at the sensor 141 of drill bit leading portion, data processing module 142,
Three magnetic induction coils 143 and power module 144.Data processing module 142 completes to sensor 141 and the 3rd magnetic induction coil
Information transmission between 143；Sensor 141 is arranged on the front end of drill bit, the data that collection drill bit advances；Power module 144 is
Magnetic induction sensing node unit in down-hole provides power demands.It should be appreciated that data processing module 142 is to data in embodiment
Processing mode includes but is not limited to: amplification, filtering, encoding and decoding, modulation and demodulation and synchronization.In certain embodiments, sensor
Optional deviation sensor, azimuthal resistivity sensor, orientation gamma sensor or humidity sensor.
The frame of magnetic induction ripple intelligent drilling rod measuring system downhole system of the present invention and ground system information transmission as shown in Figure 4
Figure, in magnetic induction communication node unit 120, magnetic induction coil 121 receives the signal transmission of more than one hundred million drilling rod magnetic induction coils to mould
Intend signal processing module 122 to signal processing, enter the signal after processing and be transferred to ground system 110 through first communication module 123
Second communication module 115, digital signal processing module 114 is to being transferred to logarithm after data analysis module 113 after signal processing
According to being analyzed and be saved in memory module 112 and shown on the display device of ground system 110 through display module 111
Show.The power module 124 of magnetic induction communication node unit 120 is powered for magnetic induction communication node unit 120, simultaneously can be in work
Make the switching and sleep state between；The power module 116 of ground system 110 is powered to ground system 110.Realize in work
Make the switching and sleep state between, reduce power consumption, extend in node lifetime ground system 110, second communication module 115 communicates
Mode and agreement should include one or more of serial ports, bluetooth and tcp/ip；Memory module 112 obtains data to measurement and enters
Row preserves and calls.In certain embodiments, digital signal processing module 114 includes but is not limited to the process of signal: amplify,
Collection, digital filtering, synchronization, encoding and decoding, modulation and demodulation.The display device of ground system 110 can be carried out to data
Display or waveform show.Data analysis module 113 analysis method of data is included following analysis method one kind or
Multiple: time-domain analyses, frequency-domain analysiss and multifrequency domain analysiss.
The arrangement figure of magnetic induction ripple intelligent drilling rod measuring system in the embodiment of the present invention as shown in Figure 5；Shown in Fig. 6 originally
The magneto-inductive communications links schematic diagram of invention magnetic induction ripple intelligent drilling rod measuring system, magnetic induction ripple intelligent drilling rod measuring system bag
Include ground system and underground survey system, underground survey system includes magnetic induction drilling rod unit, magnetic induction sensing node unit, magnetic
Magnetic induction waveguide coil inside inductive communication node unit and two ends of drill.Magnetic induction drilling rod unit includes the first magnetic induction
Coil 501, the second magnetic induction coil 503, drilling rod 502, drilling rod connecting line and tool joint 504, described tool joint 504 is passed through
Magnetic induction coil forms mutual inductance and realizes information transmission.Magnetic induction sensing node unit includes the 3rd magnetic induction coil 509, at data
Reason module and the sensor 508 being arranged at drill bit 507 front end；Data processing module completes to described sensor 508 and described
Information transmission between three magnetic induction coils 509.
It is arranged at the sensor 508 collection drilling well signal of drill bit 507 front end and carry out pretreatment, by the 3rd magnetic induction line
Circle 509 transmits signals to magnetic induction drilling rod unit, is connected and is passed through magnetic by tool joint 504 between each drilling rod 502
The magnetic coupling of induction coil forms communication link, and signal carries out transmission ground system 505 and signal processed and is shown down-hole
Situation.Preferably, in the present invention, the inner side at drilling rod 502 two ends is provided with magnetic induction waveguide coil, makes signal realize two-way coupling
Close transmission.
The equivalent circuit diagram of magnetic induction ripple intelligent drilling rod measuring system magnetic induction link of the present invention as shown in Figure 7, magnetic induction
Pass through coupling between coil, form induced field current, and by the form of ripple, realize the transmission step by step of signal.Specifically,
In the present embodiment, the bandwidth range of magnetic induction ripple intelligent drilling rod measuring system isPropagate energy respectively
For: p=- ω m2sin(ka).
Above-described embodiment is described in detail the structure of magnetic induction ripple intelligent drilling rod measuring system of the present invention and specifically believes
Number transmittance process, the present invention, according to site operation situation, increases counterboring bar quantity, realizes in the case of less transmission power, accurate
Really carry out remote information transfer.Above-described embodiment be exemplary explanation it should be understood that the present invention be not limited to above-mentioned
Embodiment, can apply to oil exploitation downhole detection in certain embodiments, can be used for city in further embodiments
The downhole detection of pipeline.
Explanation in conjunction with the present invention disclosing here and practice, the other embodiment of the present invention is for those skilled in the art
All will be readily apparent and understand.Illustrate and embodiment be to be considered only as exemplary, the true scope of the present invention and purport equal
It is defined in the claims.
Claims (4)
1. a kind of magnetic induction ripple intelligent drilling rod measuring system, described system includes ground system and underground survey system, its feature
It is, described underground survey system includes magnetic induction drilling rod unit, magnetic induction sensing node unit, magnetic induction communication node unit
And the magnetic induction waveguide coil inside two ends of drill；
Described magnetic induction drilling rod unit includes the first magnetic induction coil, the second magnetic induction coil, drilling rod, drilling rod connecting line and drilling rod
Joint, described tool joint forms mutual inductance by magnetic induction coil and realizes information transmission；
Described magnetic induction sensing node unit includes the 3rd magnetic induction coil, data processing module and the biography being arranged at chisel edge
Sensor；Described data processing module completes to the information transmission between described sensor and described 3rd magnetic induction coil；
Described magnetic induction communication node unit includes first communication module, analog signal processing module；
Described ground system includes second communication module, data analysis module, digital signal processing module and memory module；
Between described first communication module and described second communication module, practice down-hole information and ground system transmit.
2. intelligent drilling rod measuring system according to claim 1 is it is characterised in that described drilling rod connecting line connects described the
One magnetic induction coil and the second magnetic induction coil constitute a closed-loop path.
3. intelligent drilling rod measuring system according to claim 1 it is characterised in that described drilling rod connection unit also include can
Adjust impedance module, described adjustable impedance module is connected with described drilling rod connecting line and magnetic induction drilling rod unit is tuned.
4. intelligent drilling rod measuring system according to claim 1 is it is characterised in that described data analysis module is to receiving
Data message be analyzed, described analysis method includes one or more of following analysis method: time-domain analyses, frequency-domain analysiss
With multifrequency domain analysiss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610703133.4A CN106351649A (en) | 2016-08-22 | 2016-08-22 | Magnetoinductive wave intelligent drill pipe measuring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610703133.4A CN106351649A (en) | 2016-08-22 | 2016-08-22 | Magnetoinductive wave intelligent drill pipe measuring system |
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| Publication Number | Publication Date |
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| CN106351649A true CN106351649A (en) | 2017-01-25 |
Family
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| CN201610703133.4A Pending CN106351649A (en) | 2016-08-22 | 2016-08-22 | Magnetoinductive wave intelligent drill pipe measuring system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110939483A (en) * | 2019-12-25 | 2020-03-31 | 华中科技大学 | Underground signal wireless transmission system and method for salt cavern gas storage |
| CN113137186A (en) * | 2020-01-19 | 2021-07-20 | 中国石油天然气集团有限公司 | Adapter of general magnetic coupling drilling tool |
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| CN101839132A (en) * | 2010-04-21 | 2010-09-22 | 中国石油化工集团 | Electromagnetic induction MWD (Measurement While Drilling) data transmission system |
| CN103590823A (en) * | 2013-07-05 | 2014-02-19 | 中国石油集团长城钻探工程有限公司钻井技术服务公司 | Device of measuring formation resistivity of drill |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN110939483A (en) * | 2019-12-25 | 2020-03-31 | 华中科技大学 | Underground signal wireless transmission system and method for salt cavern gas storage |
| CN113137186A (en) * | 2020-01-19 | 2021-07-20 | 中国石油天然气集团有限公司 | Adapter of general magnetic coupling drilling tool |
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