ISCWSA Basic MWD Phil.Dickson@PDGM.com SPE 67616 ISCWSA draft 1.0 axialMagneticCorrection false SPE67616 ABX S 0.004 ABZ S 0.004 ASX S 0.0005 ASY S 0.0005 ASZ S 0.0005 MBX S 70 MBY S 70 MBZ S 70 MSX S 0.0016 MSY S 0.0016 MSZ S 0.0016 SAG S 0.004 MX S 0.004 MY S 0.004 AXI S 0.25 AMID S 0.6 DECL S 0.25 DBH S 5000 DREF S 0.35 DSF S 2.4E-4 DST S 2.2E-7 ISCWSA Basic MWD / Bias Modelling Phil.Dickson@PDGM.com SPE 67616 ISCWSA draft 1.0 axialMagneticCorrection false SPE67616 ABX S 0.004 ABY S 0.004 ABZ S 0.004 ASX S 0.0005 ASY S 0.0005 MBZ S 0.0005 MBX S 70 MBY S 70 MBZ S 70 MSX S 0.0016 MSY S 0.0016 MSZ S 0.0016 SAG S 0.004 MX S 0.004 MY S 0.004 AXI S 0.25 AMID S 0.33 0.5 DECL S 0.25 DBH S 5000 DREF S 0.35 DSF S 2.4E-4 DST S 4.4E-7 9 ISCWSA Basic MWD / Axial Correction Phil.Dickson@PDGM.com SPE 67616 ISCWSA draft 1.0 axialMagneticCorrection true SPE67616 ABIX S 0.004 ABIY S 0.004 ABIZ S 0.004 ASIX S 0.0005 ASIY S 0.0005 ASIZ S 0.0005 MBIX S 70 MBIY S 70 MSIX S 0.0016 MSIY S 0.0016 MDI S 0.2 DFI S 130 SAG S 0.004 MX S 0.004 MY S 0.004 DECL S 0.25 DBH S 5000 DREF S 0.35 DSF S 2.4E-4 DST S 2.2E-7 ISCWSA Basic MWD (Ax. Int. Corrected, Bias Model) Phil.Dickson@PDGM.com SPE 67616 ISCWSA draft 1.0 axialMagneticCorrection true SPE67616 ABIX S 0.004 ABIY S 0.004 ABIZ S 0.004 ASIX S 0.0005 ASIY S 0.0005 ASIZ S 0.0005 MBIX S 70 MBIY S 70 MSIX S 0.0016 MSIY S 0.0016 MDI S 0.2 DFI S 130 SAG S 0.004 MX S 0.004 MY S 0.004 DECL S 0.25 DBH S 5000 DREF S 0.35 DSF S 2.4E-4 DST S 2.2E-7 Example Model 3 Phil.Dickson@PDGM.com SPE 67616 ISCWSA draft 1.0 Derived from ?????????. stationary 0 17 continuous XY 17 150 0.6 3 17 2500 0.5 SPE90408 XYZACCXYBIAS S 0.005 XYZACCZBIAS S 0.005 XYZACCSF S 0.0005 XYZACCMIS S 0.05 XYGYROBIAS1 S 0.1 XYGYROBIAS2 S 0.1 XYGYRONOISE R 0.1 XYGYROGDEP1 S 0.5 XYGYROGDEP2 S 0.5 XYGYROGDEP3 S 0.5 XYGYROGDEP4 S 0.5 XYGYROSF S 0.001 XYGYROMIS S 0.05 XYGYRODRIFT S 0.5 XYMIS1 S 0.1 XYMIS2 S 0.1 XYMIS3 S 0.2 XYMIS4 S 0.2 VSAG S 0.1 DRAND R 0.5 DSYST S 0.5 RDMDEP R 0.5 DEPSF W 0.001 DEPSTR G 5E-7 2010-02-19T12:15:00Z My First Error Model Phil.Dickson@PDGM.com SPE 67616 ISCWSA draft 1.0 Some commentary on this model, version, etc. latitude -70 70 runningMode wireline axialMagneticCorrection true declinationCorrection IFR stationary 0.0 17.0 continuous XY 17.0 65.0 3 30.0 false 1.0 SPE67616 ABX S 1.1 Some commentary on this value FUD R 2.2 Some commentary on this value 2009-10-16T13:32:42Z