CN103195415A - Underground high-speed information transmission system and method for drilling engineering - Google Patents
Underground high-speed information transmission system and method for drilling engineering Download PDFInfo
- Publication number
- CN103195415A CN103195415A CN201310101973XA CN201310101973A CN103195415A CN 103195415 A CN103195415 A CN 103195415A CN 201310101973X A CN201310101973X A CN 201310101973XA CN 201310101973 A CN201310101973 A CN 201310101973A CN 103195415 A CN103195415 A CN 103195415A
- Authority
- CN
- China
- Prior art keywords
- drilling fluid
- shock wave
- data
- burst transmissions
- hole
- 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.)
- Pending
Links
Images
Abstract
The invention provides an underground high-speed information transmission system and method for drilling engineering. The underground high-speed information transmission system comprises an underground shock wave information emitter and a ground information receiving end, wherein the underground shock wave information emitter is used for forming data acquired by an underground sensor into pulse transmission signals and transmitting the signals to the ground through drilling fluid in a drilling fluid pipeline; and the ground information receiving end is used for receiving the pulse transmission signals. The underground shock wave information emitter is provided with at least one shock wave channel in the drilling fluid pipeline, a discharge electrode is arranged on the inner wall, and the pulse transmission signals are transmitted through discharging. According to the system, the shock waves are formed in the drilling fluid pipeline through discharging of the at least one shock wave channel, and the pulse transmission signals are transmitted through the shock waves. A plurality of shock wave channels are arranged simultaneously, so that each shock wave channel has enough energy storage time, and the information transmission rate is improved.
Description
Technical field
The present invention relates to the geological exploration techniques field, particularly a kind of down-hole high speed information transmission system and method for drilling engineering.
Background technology
Current at oil, the mine, the transmission quantity of down-hole information is increasing in the drilling engineerings such as geological prospecting, and current existing downhole transmitted technology is difficult to satisfy the transmission of down-hole large information capacity.Owing to complicated operation, labour intensity is big such as the wired drilling transmission technology, and efficiency of construction is low now seldom to be used; MWD(mud-pulse transmission technology) this is a technology of generally using now, but the transfer rate that the shortcoming of its maximum is is slow, particularly when super only 2 bps of well depth transfer rate when 3000 kms are above; EM-MWD(wireless electromagnetic transmission technology) though technology can be used in the measurement while drilling of various technology drilling wells, be subjected to the influence of formation resistivity bigger, the stability of signal transmission will become relatively poor when the transmission degree of depth increases.
Therefore, at present in drilling engineering, still do not have and to guarantee stable signal transmission, simultaneously the information transmission technology that again can high-speed transfer information.
Summary of the invention
Main purpose of the present invention is to solve problems of the prior art, and a kind of down-hole high speed information transmission system and method for drilling engineering is provided.
For achieving the above object, one aspect of the present invention provides a kind of down-hole high speed information transmission system for drilling engineering, comprising: down-hole shockwave information transmitter and aboveground information receiving end;
Described down-hole shockwave information transmitter links to each other with downhole sensor, and the data that are used for downhole sensor is gathered form the burst transmissions signal, and transfer to aboveground by the ducted drilling fluid of drilling fluid;
Described aboveground information receiving end is used for the burst transmissions signal that transmits by shockwave information transmitter under the ducted drilling fluid received well of induction drilling fluid;
Described down-hole shockwave information transmitter is arranged in the drilling fluid pipeline, comprising: high-pressure shocking wave generation passage, shock wave sparking electrode, circuit storehouse and drilling fluid passage;
Offer at least one on this down-hole shockwave information transmitter along the described high-pressure shocking wave generation passage of drilling fluid duct orientation;
This high-pressure shocking wave generation vias inner walls is provided with at least one pair of described shock wave sparking electrode that is used for transmitting by the discharge transmission pulse signal;
Described circuit is provided with pulse control circuit in the storehouse, and this pulse control circuit is used for the data that receiving sensor is gathered, and these data are converted to the burst transmissions signal, according to the described shock wave sparking electrode discharge of this burst transmissions signal controlling;
Described drilling fluid passage is used for the drilling fluid that transmission contains the burst transmissions signal.
Wherein, described pulse control circuit comprises: sensor interface, data modulating coder, sync driver, power amplifier, high pressure generator and high voltage step-up accelerator;
Described sensor interface links to each other with downhole sensor, is used for the data that receiving sensor is gathered, and these data are sent to described data modulating coder;
Described data modulating coder, the data code conversion that is used for sensor is gathered is the burst transmissions signal, and this burst transmissions signal is sent to described sync driver;
Be provided with some described sync drivers in this pulse control circuit; The respectively corresponding described shock wave passage of each sync driver; Each sync driver is controlled one group of described power amplifier respectively according to this burst transmissions signal;
Be provided with some power amplifiers in every group of power amplifier; Each power amplifier respectively with the place sync driver the pair of discharge electrodes in the corresponding shock wave passage link to each other; Each power amplifier is controlled by sync driver, drives institute's connection sparking electrode discharge;
Described high pressure generator links to each other with each power amplifier with power supply respectively, is used to each power amplifier that high-tension electricity is provided;
Described high pressure generator links to each other with the high voltage step-up accelerator, and the high voltage step-up accelerator boosts high pressure generator more fast after discharge.
Offer at least two shock wave generation passages on the described impacting with high pressure wave producer.
Described shock wave vias inner walls is provided with at least two pairs of sparking electrodes.
The present invention provides a kind of down-hole high speed information transmission method for drilling engineering on the other hand, comprising:
The data that the received well lower sensor is gathered, and these data are sent to the data modulating coder;
The data code conversion that sensor is gathered is the burst transmissions signal, and this burst transmissions signal is sent to sync driver;
According to this burst transmissions signal, the power amplifier that sync driver control connects;
Power amplifier drives the sparking electrode discharge that connects according to the control of sync driver, makes the ducted drilling fluid of drilling fluid produce shock wave;
Aboveground information receiving end receives the burst transmissions signal that transmits by the ducted drilling fluid of induction drilling fluid.
By the embodiment of the invention, the shock wave passage is set in the drilling fluid pipeline, make the shock wave passage in the drilling fluid pipeline, to form shock wave by discharge, and by this shock wave transmission pulse transmission signal.Owing on the impacting with high pressure wave producer, offer a plurality of shock wave passages simultaneously, make each shock wave passage that the enough accumulation of energy time be arranged, thereby improved the rate of information throughput.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, does not constitute limitation of the invention.In the accompanying drawings:
Fig. 1 is the structural representation that is used for the down-hole shock wave high speed information transmission system of drilling engineering;
Fig. 2 is the structural representation of down-hole shockwave information transmitter;
Fig. 3 is the pulse control circuit circuit diagram;
Fig. 4 is down-hole high speed information transmission method flow chart.
The specific embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with embodiment and accompanying drawing, the present invention is described in further details.At this, exemplary embodiment of the present invention and explanation thereof are used for explanation the present invention, but not as a limitation of the invention.
The designed down-hole high speed information transmission system of the present invention is for being the drilling fluid wellbore construction with mud or clear water, its principle is to produce continuous high electric field pulse by digital coding circuit control high-voltage generator, because electrion is in the mud liquid of drill string hydrophthalmia, therefore the mud liquid at high-voltage discharging electrode place by moment high-temperature evaporation and the blast of expanding rapidly produce shock wave thus, this shock wave is uploaded along the drill string hydrophthalmia in mud, and this like this shock wave with specific coding sequence will be transferred to ground to the information of downhole sensor collection.
As shown in Figure 1, the down-hole high speed information transmission system that the present invention is designed comprises: down-hole shockwave information transmitter and aboveground information receiving end.
Described down-hole shockwave information transmitter is arranged at the down-hole, links to each other with downhole sensor, and the data that are used for sensor is gathered form the burst transmissions signal, and transfer to aboveground by the ducted drilling fluid of drilling fluid.Drilling fluids such as mud or clear water have been full of in the described drilling fluid pipeline.
Described aboveground information receiving end is arranged at abovegroundly, is used for the burst transmissions signal that transmits by shockwave information transmitter under the ducted drilling fluid received well of induction drilling fluid.
Fig. 2 is the structural representation of down-hole shockwave information transmitter.As shown in the figure, this down-hole shockwave information transmitter 5 is arranged in the drilling fluid pipeline 1, offers the shock wave generation passage 3 that at least one makes progress along the drilling fluid duct orientation on it, these shock wave generation passage 3 bottom locks, inwall are provided with at least one pair of above sparking electrode 4.This sparking electrode 4 is by discharge generation shock wave pulse transmission signal.
The present invention is preferred, and this down-hole shock wave emission device 5 also can be arranged in the drill collar.
Be provided with pulse control circuit in the described circuit storehouse 6.This pulse control circuit is used for the data that receiving sensor is gathered, and these data are converted to the burst transmissions signal, according to described sparking electrode 4 discharges of this burst transmissions signal controlling.
In the designed down-hole high speed information transmission system of the present invention, these impacting with high pressure wave producer 5 centers are provided with a drilling fluid passage, there are four to establish shock wave generation passage 3 at the concentric circles centered by the drilling fluid passage, the bottom lock of shock wave generation passage 3, vias inner walls is provided with the interior drilling fluid of 4 pairs of passages of three pairs of sparking electrodes and carries out electrion, thereby make this place's drilling fluid moment high-temperature evaporation and the blast of expanding rapidly produce shock wave, because shock wave generation passage 3 bottom locks, drilling fluid in the passage does not flow, and this just makes that the shock wave that produces is stable, impact strength is bigger.As shown in Figure 2, this embodiment mesohigh surge generator 5 is provided with four shock wave generation passages 3, this mainly is because electrion needs the long accumulation of energy time, to prepare discharge next time, a plurality of shock wave passages are set round produce shock wave,, can make the enough accumulation of energy time of shock wave passage after the discharge, thereby improve the rate of information throughput.Like this, with regard to having realized the data high-speed that gather the down-hole is transferred to aboveground purpose.Based on the designed down-hole high speed information transmission system of the present invention, its shock wave pulse width intensity height, shock wave pressure at the clock place can reach 30-50MP, and the transfer rate of burst transmissions signal can reach more than 100K bps, far above the transfer rate level of prior art.
In addition, be provided with three pairs of sparking electrodes 4 in each shock wave generation passage 3, can strengthen the impact intensity of wave that produces on the one hand, also can prevent from the other hand influencing whole information transmission system operate as normal because pair of discharge electrodes breaks down, strengthen the stability of this system.
Fig. 3 is the pulse control circuit circuit diagram.As shown in the figure, described pulse control circuit comprises: sensor interface, data modulating coder, sync driver, power amplifier and high pressure generator.
Described sensor interface links to each other with downhole sensor, is used for the data that receiving sensor is gathered, and these data are sent to the data modulating coder.
Described data modulating coder, the data code conversion that is used for sensor is gathered is the burst transmissions signal, and this burst transmissions signal is sent to sync driver.
Be provided with some sync drivers in the pulse control circuit.The respectively corresponding shock wave passage 3 of each sync driver, namely the quantity of sync driver is identical with the quantity of shock wave passage.Each sync driver drives one group of power amplifier respectively according to this burst transmissions signal.
Be provided with some power amplifiers in every group of power amplifier.Each power amplifier respectively with the place sync driver the pair of discharge electrodes 4 in the corresponding shock wave passage 3 link to each other, quantity that namely should group power amplifier intermediate power amplifier with the sparking electrode quantity in the corresponding shock wave passage identical.Each power amplifier is controlled by sync driver, drives institute's connection sparking electrode discharge.
Described high pressure generator links to each other with each power amplifier with power supply respectively, is used to each power amplifier that high-tension electricity is provided.Boost for high pressure generator can be charged rapidly in discharge, use a kind of high voltage step-up accelerator to accelerate shock wave outburst speed.
By above-mentioned pulse control circuit design, the down-hole information transmitting terminal realizes that the data that sensor is gathered are modulated into the burst transmissions signal, and drive the corresponding shock wave passage discharge of institute separately in regular turn with this coding and sorting order control sync driver, thereby form the shock wave sequence according to the burst transmissions signal.
Fig. 4 is the flow chart of down-hole high speed information transmission method.As shown in the figure, this down-hole high speed information transmission method comprises:
The data that step 401, receiving sensor are gathered, and these data are sent to the data modulating coder;
The course of work of down-hole of the present invention high speed information transmission system is described with a specific embodiment below.For example, the D of 8-4-2-1 coding i.e. " 1101 ", because of first be " 1 ", " data modulating coder " first data output is exported a pulse, this pulse sends to " sync driver 1 ".Sync driver 1 " three power amplifiers in first group of power amplifier of control discharge three pairs of sparking electrodes of " shock wave passage 1 " simultaneously.In the mud of " shock wave passage 1 " of flowing through, produce the blast impulse pulse thus.Second of coding is " 0 ", and " data modulating coder " second data delivery outlet be output not, and three power amplifiers in second group of power amplifier are not worked, and therefore three pairs of sparking electrodes in " shock wave passage 2 " do not produce discharge.Then the 3rd of coding is " 1 ", " data modulating coder " the 3rd data delivery outlet exported a pulse and sent to " sync driver 3 ", and driving the 3rd group of power amplifier, three power amplifiers in the 3rd group of power amplifier discharge three pairs of sparking electrodes of " shock wave passage 3 " simultaneously.In " shock wave passage 3 ", produce the blast impulse pulse.The 4th of coding is that " 1 " equally also repeats above-mentioned similar process, produces the blast impulse pulse in " shock wave passage 4 ".After these four processes are finished, in the drilling fluid pipeline, will produce the set of pulses transmission signal that sends in proper order and combine by four passages.
And receive this burst transmissions signal coding " 1101 " at aboveground information receiving end by the ducted drilling fluid of induction drilling fluid, and then then can obtain the D for the 8-4-2-1 coding that the down-hole information transmitting terminal sends through decoding.
In sum, the invention provides a kind of down-hole high speed information transmission system and method for drilling engineering, by the shock wave passage is set in the drilling fluid pipeline, make the shock wave passage in the drilling fluid pipeline, to form shock wave by discharge, and by this shock wave transmission pulse transmission signal.Owing on the impacting with high pressure wave producer, offer a plurality of shock wave passages simultaneously, make each shock wave passage that the enough accumulation of energy time be arranged, thereby improved the rate of information throughput.Persons skilled in the art any not creative transformation of doing under this design philosophy all should be considered as within protection scope of the present invention.
Claims (5)
1. a down-hole high speed information transmission system that is used for drilling engineering is characterized in that, comprising: down-hole shockwave information transmitter and aboveground information receiving end;
Described down-hole shockwave information transmitter links to each other with downhole sensor, and the data that are used for downhole sensor is gathered form the burst transmissions signal, and transfer to aboveground by the ducted drilling fluid of drilling fluid;
Described aboveground information receiving end is used for the burst transmissions signal that transmits by shockwave information transmitter under the ducted drilling fluid received well of induction drilling fluid;
Described down-hole shockwave information transmitter is arranged in the drilling fluid pipeline, comprising: high-pressure shocking wave generation passage, shock wave sparking electrode, circuit storehouse and drilling fluid passage;
Offer at least one on this down-hole shockwave information transmitter along the described high-pressure shocking wave generation passage of drilling fluid duct orientation;
This high-pressure shocking wave generation vias inner walls is provided with at least one pair of described shock wave sparking electrode that is used for transmitting by the discharge transmission pulse signal;
Described circuit is provided with pulse control circuit in the storehouse, and this pulse control circuit is used for the data that receiving sensor is gathered, and these data are converted to the burst transmissions signal, according to the described shock wave sparking electrode discharge of this burst transmissions signal controlling;
Described drilling fluid passage is used for the drilling fluid that transmission contains the burst transmissions signal.
2. down-hole as claimed in claim 1 high speed information transmission system, it is characterized in that: described pulse control circuit comprises: sensor interface, data modulating coder, sync driver, power amplifier, high pressure generator and high voltage step-up accelerator;
Described sensor interface links to each other with downhole sensor, is used for the data that receiving sensor is gathered, and these data are sent to described data modulating coder;
Described data modulating coder, the data code conversion that is used for sensor is gathered is the burst transmissions signal, and this burst transmissions signal is sent to described sync driver;
Be provided with some described sync drivers in this pulse control circuit; The respectively corresponding described shock wave passage of each sync driver; Each sync driver is controlled one group of described power amplifier respectively according to this burst transmissions signal;
Be provided with some power amplifiers in every group of power amplifier; Each power amplifier respectively with the place sync driver the pair of discharge electrodes in the corresponding shock wave passage link to each other; Each power amplifier is controlled by sync driver, drives institute's connection sparking electrode discharge;
Described high pressure generator links to each other with each power amplifier with power supply respectively, is used to each power amplifier that high-tension electricity is provided;
Described high pressure generator links to each other with the high voltage step-up accelerator, and the high voltage step-up accelerator boosts high pressure generator more fast after discharge.
3. down-hole as claimed in claim 1 high speed information transmission system is characterized in that: offer two shock wave generation passages on the described impacting with high pressure wave producer at least.
4. down-hole as claimed in claim 1 high speed information transmission system, it is characterized in that: described shock wave vias inner walls is provided with at least two pairs of sparking electrodes.
5. a down-hole high speed information transmission method that is used for drilling engineering is characterized in that, comprising:
The data that the received well lower sensor is gathered, and these data are sent to the data modulating coder;
The data code conversion that sensor is gathered is the burst transmissions signal, and this burst transmissions signal is sent to sync driver;
According to this burst transmissions signal, the power amplifier that sync driver control connects;
Power amplifier drives the sparking electrode discharge that connects according to the control of sync driver, makes the ducted drilling fluid of drilling fluid produce shock wave;
Aboveground information receiving end receives the burst transmissions signal that transmits by the ducted drilling fluid of induction drilling fluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310101973XA CN103195415A (en) | 2013-03-27 | 2013-03-27 | Underground high-speed information transmission system and method for drilling engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310101973XA CN103195415A (en) | 2013-03-27 | 2013-03-27 | Underground high-speed information transmission system and method for drilling engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103195415A true CN103195415A (en) | 2013-07-10 |
Family
ID=48718214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310101973XA Pending CN103195415A (en) | 2013-03-27 | 2013-03-27 | Underground high-speed information transmission system and method for drilling engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103195415A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285644A (en) * | 2016-10-08 | 2017-01-04 | 中国地质大学（北京） | A kind of drilling rod plug intelligent positioner based on electrohydraulic effect, system and localization method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101573507A (en) * | 2006-11-02 | 2009-11-04 | 桑德克斯公司 | An apparatus for creating pressure pulses in the fluid of a bore hole |
| US20100149919A1 (en) * | 2008-12-12 | 2010-06-17 | Schlumberger Technology Corporation | Downhole telemetry system |
| CN201705343U (en) * | 2010-08-20 | 2011-01-12 | 中国石油集团钻井工程技术研究院 | High-speed transmission sending device for measurement while drilling |
| WO2012128867A2 (en) * | 2011-03-24 | 2012-09-27 | Baker Hughes Incorporated | Apparatus and method for filtering data influenced by a downhole pump |
| CN202866798U (en) * | 2012-11-17 | 2013-04-10 | 东北石油大学 | Transmission device used for measurement while drilling in well logging field |
-
2013
- 2013-03-27 CN CN201310101973XA patent/CN103195415A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101573507A (en) * | 2006-11-02 | 2009-11-04 | 桑德克斯公司 | An apparatus for creating pressure pulses in the fluid of a bore hole |
| US20100149919A1 (en) * | 2008-12-12 | 2010-06-17 | Schlumberger Technology Corporation | Downhole telemetry system |
| CN201705343U (en) * | 2010-08-20 | 2011-01-12 | 中国石油集团钻井工程技术研究院 | High-speed transmission sending device for measurement while drilling |
| WO2012128867A2 (en) * | 2011-03-24 | 2012-09-27 | Baker Hughes Incorporated | Apparatus and method for filtering data influenced by a downhole pump |
| CN202866798U (en) * | 2012-11-17 | 2013-04-10 | 东北石油大学 | Transmission device used for measurement while drilling in well logging field |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106285644A (en) * | 2016-10-08 | 2017-01-04 | 中国地质大学（北京） | A kind of drilling rod plug intelligent positioner based on electrohydraulic effect, system and localization method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104863628B (en) | One kind utilizes the anti-reflection shielding coal roadway tunneling method of pulse detonation wave fracturing | |
| CN201705343U (en) | High-speed transmission sending device for measurement while drilling | |
| CN106089186B (en) | Segmented water injection well mouth and well bottom signal wireless transmitting and receiving device and wireless transmission method | |
| CN203925484U (en) | A kind of novel well logging during data transmission system | |
| CN101291015A (en) | Electromagnetic emitting antenna along with drill, down-hole data communication system and method | |
| CN104329064A (en) | Oil-well layered oil production system adopting vibrating waves to carry out remote control | |
| CN104179495A (en) | While-drilling (WD) ground and downhole data interaction method and system | |
| CN103161440A (en) | Single-well coalbed methane horizontal well system and finishing method thereof | |
| CN106032745A (en) | A digital separated layer water injection ground control system and method | |
| CN206816239U (en) | A kind of transformation device of shale frequency spectrum resonance reservoir | |
| CN107165607A (en) | The transformation device and its method of work of a kind of shale frequency spectrum resonance reservoir | |
| CN103790576A (en) | MWD wireless pressure sensor transmission device for petroleum drilling well | |
| CN104879110B (en) | Sub-clustering perforation staged fracturing combination operation process | |
| CN106593387A (en) | Sectional multi-cluster fracturing method of horizontal well | |
| CN103195415A (en) | Underground high-speed information transmission system and method for drilling engineering | |
| CN201144695Y (en) | Novel signal transmission drill string | |
| CN206299374U (en) | A kind of reception device suitable for the underground wireless short pass of nearly drill bit | |
| CN105201477A (en) | In-situ volumetric breaking and directional fracture forming method for oil shale | |
| CN103510945A (en) | Multifunctional downhole intelligent actuator under control of superlong wave and pressure wave encoding | |
| CN202866799U (en) | Measurement while drilling (MWD) wireless pressure sensor transmission set for petroleum drilling | |
| CN111075395B (en) | Pressure wave intelligence sliding sleeve | |
| CN108049852A (en) | Frscturing device and method based on liquid electric pulse shock wave and chemical agent augmented injection | |
| CN106014393A (en) | Device for transmitting magnetic localization measured data through sound waves and use method of device | |
| CN215565883U (en) | Be used for little earthquake monitoring system of horizontal well large array fracturing | |
| CN204267004U (en) | A kind of employing vibration wave Long-distance Control oil well oil production by layer system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130710 |