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Effect of Mud Invasion on Induction Logging Response in Deviated Hole with Low Resistivity Annulus
Pages: 427-430
Year: Issue:  5
Journal: Well Logging Technology

Abstract: 依据斜井几何因子理论,通过数值计算研究了泥浆侵入低电阻率环带环境下井斜角度对双感应测井响应的影响,以及泥浆侵入深度对斜井双感应测井响应的影响.深感应测井和中感应测并在井斜角度0°~90°之间会有2个敏感角度段,并且仪器在这2个响应敏感变化倾斜角度段内响应特性有较大的差异.在低电阻率环带电阻率与地层电阻率比较接近时,敏感角度段1消失.深感应测井在敏感角度段2与中感应测井的敏感角度段2有明显的角度差,...
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