introduction-to-wellbore-positioning-r10-2026

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ASIXY-TI3

Accelerometer scale factor xy – axial interference correction – term3 Accelerometer scalefactor z-axis when axial interference correction applied. Magnetometer bias xy – axial interference correction – term1 Magnetometer bias xy – axial interference correction – term2 Magnetometer scale factor xy – axial interference correction – term1 Magnetometer scale factor xy – axial interference correction – term2 Magnetometer scale factor xy – axial interference correction – term3 E h’so lmgn cf ldwhn x ln f nc correction applied. Dip angle when axial interference correction applied.

0.0005

30

ASIZ

0.0005

31

MBIXY-TI1

70nT

32

MBIXY-TI2

70nT

33

MSIXY-TI1

0.0016

34

MSIXY-TI2

0.0016

35

MSIXY-TI3

0.0016

36

MFI

130nT

37

MDI

0.20˚

Error Code

Description

Drillpipe – Fixed Rig

Drillpipe – Floating Platform

38 39 40 41

DREF-R DREF-S DSF-S DST-G

Random Depth Reference Systematic Depth Reference

0.35m 0.00m

2.20m 1.00m

5.6x10 -4

5.6x10 -4

Depth Scalefactor

2.5x10 -7 m -1

2.5x10 -7 m -1

Depth Stretch

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