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1. (WO2018183326) IFR1 SURVEY METHODOLOGY

Pub. No.:    WO/2018/183326    International Application No.:    PCT/US2018/024566
Publication Date: Fri Oct 05 01:59:59 CEST 2018 International Filing Date: Wed Mar 28 01:59:59 CEST 2018
IPC: E21B 47/022
E21B 47/01
E21B 47/02
G01V 3/40
Applicants: CONOCOPHILLIPS COMPANY
Inventors: PHAM, Son V.
Title: IFR1 SURVEY METHODOLOGY
Abstract:
An improved IFR1 technique wherein a single mid-lateral well measurement of local magnetic field is used instead of single wellhead or BHA points of measurement, or a plurality of wellbore measurement methods.