CA2201541C - Signal recognition system for wellbore telemetry - Google Patents

Signal recognition system for wellbore telemetry Download PDF

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Publication number
CA2201541C
CA2201541C CA002201541A CA2201541A CA2201541C CA 2201541 C CA2201541 C CA 2201541C CA 002201541 A CA002201541 A CA 002201541A CA 2201541 A CA2201541 A CA 2201541A CA 2201541 C CA2201541 C CA 2201541C
Authority
CA
Canada
Prior art keywords
signal
signals
data
probability
received signal
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
CA002201541A
Other languages
English (en)
French (fr)
Other versions
CA2201541A1 (en
Inventor
Benjamin Peter Jeffryes
Timothy Tristram Jervis
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.)
Schlumberger Canada Ltd
Original Assignee
Schlumberger Canada 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
Application filed by Schlumberger Canada Ltd filed Critical Schlumberger Canada Ltd
Priority claimed from US08/838,557 external-priority patent/US5955966A/en
Publication of CA2201541A1 publication Critical patent/CA2201541A1/en
Application granted granted Critical
Publication of CA2201541C publication Critical patent/CA2201541C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Selective Calling Equipment (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
CA002201541A 1996-04-09 1997-04-02 Signal recognition system for wellbore telemetry Expired - Fee Related CA2201541C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB9607299.6 1996-04-09
GBGB9607299.6A GB9607299D0 (en) 1996-04-09 1996-04-09 Signal recognition system for wellbore telemetry
US08/838,557 US5955966A (en) 1996-04-09 1997-04-09 Signal recognition system for wellbore telemetry

Publications (2)

Publication Number Publication Date
CA2201541A1 CA2201541A1 (en) 1997-10-09
CA2201541C true CA2201541C (en) 2005-08-09

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA002201541A Expired - Fee Related CA2201541C (en) 1996-04-09 1997-04-02 Signal recognition system for wellbore telemetry

Country Status (3)

Country Link
CA (1) CA2201541C (no)
GB (1) GB9607299D0 (no)
NO (1) NO317491B1 (no)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8838426B2 (en) 2008-10-14 2014-09-16 Schlumberger Technology Corporation System and method for online automation

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9607297D0 (en) * 1996-04-09 1996-06-12 Anadrill Int Sa Noise detection and suppression system for wellbore telemetry
US7133777B2 (en) * 2004-04-26 2006-11-07 Schlumberger Technology Corporation Method for transmitting wellbore data acquired in the wellbore to the surface

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8838426B2 (en) 2008-10-14 2014-09-16 Schlumberger Technology Corporation System and method for online automation

Also Published As

Publication number Publication date
NO317491B1 (no) 2004-11-08
NO971610D0 (no) 1997-04-08
NO971610L (no) 1997-10-10
GB9607299D0 (en) 1996-06-12
CA2201541A1 (en) 1997-10-09

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