NO20013831L - Method and apparatus for downhole command communication and data acquisition - Google Patents
Method and apparatus for downhole command communication and data acquisitionInfo
- Publication number
- NO20013831L NO20013831L NO20013831A NO20013831A NO20013831L NO 20013831 L NO20013831 L NO 20013831L NO 20013831 A NO20013831 A NO 20013831A NO 20013831 A NO20013831 A NO 20013831A NO 20013831 L NO20013831 L NO 20013831L
- Authority
- NO
- Norway
- Prior art keywords
- downhole
- data acquisition
- pipeline
- command communication
- signal
- Prior art date
Links
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
- E21B47/14—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 using acoustic waves
- E21B47/16—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 using acoustic waves through the drill string or casing, e.g. by torsional acoustic waves
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M13/00—Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes
- H03M13/03—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words
- H03M13/05—Error detection or forward error correction by redundancy in data representation, i.e. code words containing more digits than the source words using block codes, i.e. a predetermined number of check bits joined to a predetermined number of information bits
- H03M13/09—Error detection only, e.g. using cyclic redundancy check [CRC] codes or single parity bit
- H03M13/095—Error detection codes other than CRC and single parity bit codes
- H03M13/096—Checksums
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geology (AREA)
- Acoustics & Sound (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Remote Sensing (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Geophysics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Theoretical Computer Science (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Abstract
Nedihullsverktøy kan styres ved bruken av et signal som er kodet på en akustisk bølge som blir sendt gjennom en rørledning til en nedihulls transiver som mottar signalet og er koplet til verktøyet. Likeledes kan data fra nedihullssensorer føres tilbake til overflaten kodet på akustiske bølger sendt gjennom rørledningen. I begge tilfellene tilveiebringer den foreliggende oppfinnelsen apparatet som er nødvendig for å kode signalet og føre dette inn i rørledningen ved hjelp av en piezoelektrisk stabel.Downhole tools can be controlled using a signal encoded on an acoustic wave which is transmitted through a pipeline to a downhole transceiver which receives the signal and is connected to the tool. Likewise, data from downhole sensors can be traced back to the surface encoded on acoustic waves transmitted through the pipeline. In both cases, the present invention provides the apparatus necessary to encode the signal and input it into the pipeline by means of a piezoelectric stack.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US63281600A | 2000-08-07 | 2000-08-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
NO20013831D0 NO20013831D0 (en) | 2001-08-06 |
NO20013831L true NO20013831L (en) | 2002-02-08 |
Family
ID=24537059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO20013831A NO20013831L (en) | 2000-08-07 | 2001-08-06 | Method and apparatus for downhole command communication and data acquisition |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB2370144A (en) |
NO (1) | NO20013831L (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6880634B2 (en) * | 2002-12-03 | 2005-04-19 | Halliburton Energy Services, Inc. | Coiled tubing acoustic telemetry system and method |
US7068182B2 (en) * | 2003-07-14 | 2006-06-27 | Halliburton Energy Services, Inc. | Method and apparatus for mud pulse telemetry |
US7557492B2 (en) | 2006-07-24 | 2009-07-07 | Halliburton Energy Services, Inc. | Thermal expansion matching for acoustic telemetry system |
US7595737B2 (en) * | 2006-07-24 | 2009-09-29 | Halliburton Energy Services, Inc. | Shear coupled acoustic telemetry system |
US9784097B2 (en) * | 2015-03-30 | 2017-10-10 | Baker Hughes Incorporated | Compressed telemetry for time series downhole data using variable scaling and grouped words |
CN110821483B (en) * | 2019-11-23 | 2022-11-04 | 中国石油集团西部钻探工程有限公司 | Drill column radial coupling micro-relay transmission device for while-drilling geological guide system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5222049A (en) * | 1988-04-21 | 1993-06-22 | Teleco Oilfield Services Inc. | Electromechanical transducer for acoustic telemetry system |
WO1992001955A1 (en) * | 1990-07-16 | 1992-02-06 | Atlantic Richfield Company | Torsional force transducer and method of operation |
US6137747A (en) * | 1998-05-29 | 2000-10-24 | Halliburton Energy Services, Inc. | Single point contact acoustic transmitter |
US6466513B1 (en) * | 1999-10-21 | 2002-10-15 | Schlumberger Technology Corporation | Acoustic sensor assembly |
-
2001
- 2001-07-31 GB GB0118647A patent/GB2370144A/en not_active Withdrawn
- 2001-08-06 NO NO20013831A patent/NO20013831L/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB0118647D0 (en) | 2001-09-19 |
NO20013831D0 (en) | 2001-08-06 |
GB2370144A (en) | 2002-06-19 |
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Legal Events
Date | Code | Title | Description |
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FC2A | Withdrawal, rejection or dismissal of laid open patent application |