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picture1_Gross Errors In Surveying 212462 | Statoil Project


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File: Gross Errors In Surveying 212462 | Statoil Project
Nyrnes-Torkildsen-Nahavandchi.fm Page 1 Friday, April 8, 2005 10:55 AM Detection of Gross Errors in Wellbore Directional Surveying for Petroleum Production with emphasis on Reliability Analyses Erik Nyrnes, Torgeir Torkildsen ...

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...Nyrnes torkildsen nahavandchi fm page friday april am detection of gross errors in wellbore directional surveying for petroleum production with emphasis on reliability analyses erik torgeir hossein vitenskapelig bedomt refereed artikkel al pro duction kart og plan vol pp p o b n as issn this paper presents a method the survey data is general and applicable both magnetic gyroscopic surveys however study will only examine based statistical tests can be ap plied single station estimation case or connection multi processing tech niques contrast to other methods error commonly used industry which compare measured gravity field strength dip angle values pre dicted from independent sources test capable detecting any sensor reading reference component by rejecting corrupted measurements new brings an improvement quality inclination azimuth estimates validity such shown dependent several factors geometry noise level techniques significance power synthetic demonstrated examples address two issue...
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