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Title:
DOWNHOLE RANGING USING 3D MAGNETIC FIELD AND 3D GRADIENT FIELD MEASUREMENTS
Document Type and Number:
WIPO Patent Application WO/2020/145975
Kind Code:
A3
Abstract:
A ranging system and method uses three-dimensional ("3D") magnetic field measurements to correct ranging distance and direction. Ghost well interference may also be decoupled from the ranging solutions using 3D magnetic gradient field measurements.

Inventors:
BITTAR MICHAEL (US)
WU HSU-HSIANG (US)
FAN YIJING (SG)
Application Number:
PCT/US2019/013039
Publication Date:
October 29, 2020
Filing Date:
January 10, 2019
Export Citation:
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Assignee:
HALLIBURTON ENERGY SERVICES INC (US)
International Classes:
E21B41/00; E21B47/0228; G01V3/12
Domestic Patent References:
WO2016025232A12016-02-18
WO2009128989A12009-10-22
Foreign References:
US20070012483A12007-01-18
US20080275648A12008-11-06
US20020075001A12002-06-20
Attorney, Agent or Firm:
LAYE, Jade O. et al. (US)
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