Abstract:Accompanied with the widespread application of complex wells such as cluster wells in the exploitation of oil and gas resources, it is becoming more and more important to reduce or accurately describe the size of the wellbore position uncertainty as much as possible. It is well known that axial magnetic interference affects azimuth measurement. In this paper, the correction method of axial magnetic interference in azimuth measurement and uncertainty ellipsoid calculation method considering axial magnetic inter… Show more
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