Atlas Log Responses

Atlas of Log ResponsesAtlas of Log Responses www.bakerhughesdirect.com formationevaluation@bakerhughes.com www.bakerhughesdirect.com formationevaluation@bakerhughes.com The Changing Face of Formation EvaluationThe Changing Face of Formation Evaluation © 2002 Baker Hughes Incorporated All rights reserved Lithology Gamma Ray & SP Resistivity Oil Based Mud Resistivity Water Based Mud Bulk Density & Neutron Porosity Acoustic Magnetic Resonance T2 Distribution General Log Matrix ResponsesGeneral Log Matrix Responses C la y B o u n d C ap ill ar y B o u n d Shale Sandstone RA Mineral Fractures Conductive Fractures Loss of Secondary Porosity Shaly Sand Laminated Pay Oil Salt Water Tuff Marine Shale Limestone Marl Dolomite Fractured Anhydrite NaCI Salt KCI Salt Gypsum Anisotropic (Aeolian) Sand Coal Sandstone Anisotropic Shale Granite Oil Gas Fresh Water 30 A P I O il G as Rh Rv Rh Rv Rh Rv Gas Borehole Image Low <= Amplitude/ Resistivity => High WE CANNOT, AND WE DO NOT GUARANTEE THE ACCURACY OR CORRECTNESS OF ANY INFORMATION ON THIS CHART. WE SHALL NOT BE LIABLE OR RESPONSIBLE FOR ANY LOSS, COST, DAMAGES OR EXPENSES WHATSOEVER INCURRED OR SUSTAINED BY THE CUSTOMER RESULTING FROM THIS INFORMATION. ( 2 (2 ( 2 (2 (( 22 (2 (2 LowV.High~100010-50 (H2 index) 0.2-0.5 (pressure) 0Gas LowV.High210-240 (api) 70-100 (H2 index) 0.6-1.0 (api) 0Oil 0.36 (+salt) 0 - infinite (salt & temp) 180-1901001-1.1 (salt & temp) 0Water 4.65 V.High67 (74) -3 (-2) 2.03 (1.87) Low (Unless K salt) Salt 5.06V.High50-12.98V.LowAnhydrite 3.14High43+42.87Low (higher if U) Dolomite 1-5low (water content) 50-150 (water content) High (water content) 2.2-2.7 (water content) HighShale 5.08High47.502.71LowLimestone 1.81High53-42.65Low (Unless RA min) Sandstone PEResistivityAcousticNeutronDensityGRLithology LowV.High~100010-50 (H2 index) 0.2-0.5 (pressure) 0Gas LowV.High210-240 (api) 70-100 (H2 index) 0.6-1.0 (api) 0Oil 0.36 (+salt) 0 - infinite (salt & temp) 180-1901001-1.1 (salt & temp) 0Water 4.65 V.High67 (74) -3 (-2) 2.03 (1.87) Low (Unless K salt) Salt 5.06V.High50-12.98V.LowAnhydrite 3.14High43+42.87Low (higher if U) Dolomite 1-5low (water content) 50-150 (water content) High (water content) 2.2-2.7 (water content) HighShale 5.08High47.502.71LowLimestone 1.81High53-42.65Low (Unless RA min) Sandstone PEResistivityAcousticNeutronDensityGRLithology Backup Compiled by Geoff Page and Simon Miller, Graphic design by Wendy McLachlan Baker Atlas FORMATION EVALUATION INTEQ Baker Atlas FORMATION EVALUATION INTEQ 0.5 2000