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Chris Wolff

Wolff and deWardt, systematic error model, SPE 9223 (1981)

JohnDeWardt

John DeWardt

Wolff and deWardt, systematic error model, SPE 9223 (1981)

John Thorogood

John Thorogood

Thorogood, instrument performance model (IPM), SPE 18051 (1988). Published in SPE Drilling Engineering in 1990 

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Andy Brooks

Brooks and Wilson, linking error budget to probability, SPE 36863 (1996), Implementation of toolface-independent weighting functions

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Harry Wilson

Brooks and Wilson, linking error budget to probability, SPE 36863 (1996), Implementation of toolface-independent weighting
functions

 

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Roger Ekseth

Ekseth's thesis (1998)

Ekseth et al., Gyro error model, SPE 90408 (2004)

Ekseth et al., ISCWSA QC papers, SPE 103734 (2006) and SPE 105558 (2007)

 

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Torgeir Torkildsen

Initiated research in wellbore positiong error model (SINTEF) and as Ekseth's thesis sponsor (1998)

 

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Hugh Williamson

Williamson, ISCWSA error model, SPE 67616 (2000)