GB2456429B - Systems and methods for well data compression - Google Patents

Systems and methods for well data compression

Info

Publication number
GB2456429B
GB2456429B GB0902607A GB0902607A GB2456429B GB 2456429 B GB2456429 B GB 2456429B GB 0902607 A GB0902607 A GB 0902607A GB 0902607 A GB0902607 A GB 0902607A GB 2456429 B GB2456429 B GB 2456429B
Authority
GB
United Kingdom
Prior art keywords
downhole tool
events
systems
methods
data compression
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.)
Expired - Fee Related
Application number
GB0902607A
Other versions
GB2456429A (en
GB0902607D0 (en
Inventor
Kai Hsu
Julian J Pop
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gemalto Terminals Ltd
Schlumberger Holdings Ltd
Original Assignee
Gemalto Terminals Ltd
Schlumberger Holdings Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Priority claimed from US11/682,023 external-priority patent/US7805247B2/en
Application filed by Gemalto Terminals Ltd, Schlumberger Holdings Ltd filed Critical Gemalto Terminals Ltd
Publication of GB0902607D0 publication Critical patent/GB0902607D0/en
Publication of GB2456429A publication Critical patent/GB2456429A/en
Application granted granted Critical
Publication of GB2456429B publication Critical patent/GB2456429B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V11/00—Prospecting or detecting by methods combining techniques covered by two or more of main groups G01V1/00 - G01V9/00
    • G01V11/002—Details, e.g. power supply systems for logging instruments, transmitting or recording data, specially adapted for well logging, also if the prospecting method is irrelevant
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geophysics (AREA)
  • Remote Sensing (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Debugging And Monitoring (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

A method for generating a well log from a downhole tool positioned in a wellbore penetrating a subterranean formation includes acquiring data associated with an operation of the downhole tool, identifying a plurality of events associated with the operation of the downhole tool, and selecting data points that are selected as a function of the plurality of events and a growth function, such as a linear progression or logarithmic progression, for transmission by the downhole tool. The method further includes determining values associated with the plurality of events and the data points for transmission by the downhole tool, transmitting to a surface system the determined values, and incorporating the transmitted data into the well log.
GB0902607A 2007-03-05 2009-02-17 Systems and methods for well data compression Expired - Fee Related GB2456429B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/682,023 US7805247B2 (en) 2002-09-09 2007-03-05 System and methods for well data compression
GB0801538A GB2447322B (en) 2007-03-05 2008-01-29 Systems and methods for well data compression

Publications (3)

Publication Number Publication Date
GB0902607D0 GB0902607D0 (en) 2009-04-01
GB2456429A GB2456429A (en) 2009-07-22
GB2456429B true GB2456429B (en) 2010-03-10

Family

ID=40792996

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0902607A Expired - Fee Related GB2456429B (en) 2007-03-05 2009-02-17 Systems and methods for well data compression

Country Status (1)

Country Link
GB (1) GB2456429B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101915092A (en) * 2010-07-05 2010-12-15 陕西省煤炭地质测量技术中心 Air-water mixer for pumping tests by air compressor
EP3877627B1 (en) * 2018-11-06 2023-04-19 Halliburton Energy Services, Inc. Subsurface measurement compression and reconstruction
US11396806B2 (en) 2018-11-06 2022-07-26 Halliburton Energy Services, Inc. Downhole signal compression and surface reconstruction
US11480052B2 (en) 2018-11-06 2022-10-25 Halliburton Energy Services, Inc. Dictionary generation for downhole signal compression

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030214879A1 (en) * 2002-05-17 2003-11-20 Halliburton Energy Services, Inc. Formation testing while drilling data compression

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030214879A1 (en) * 2002-05-17 2003-11-20 Halliburton Energy Services, Inc. Formation testing while drilling data compression

Also Published As

Publication number Publication date
GB2456429A (en) 2009-07-22
GB0902607D0 (en) 2009-04-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20170129