SPECIAL CORE ANALYSIS DESIGNED TO MINIMIZE …

CIM 95-136. SPECIAL CORE ANALYSIS DESIGNED TO. MINIMIZE FORMATION DAMAGE associated with . vertical / horizontal drilling applications . By Doane, , Bennion, , Thomas, , Bietz, R, and Bennion, Hycal Energy Research Laboratories Ltd. Abstract well drilling programs. This paper highlights test procedures used in the past, describes some potential Laboratory testing of core material to attempt to problems with these test procedures, and outlines the optimize drilling fluid composition and procedures has current state of the art in laboratory technology with been used for many years to attempt to MINIMIZE invasive respect to specialized laboratory testing to evaluate drilling formation damage of a mechanical, chemical or biological induced damage for vertical and horizontal well nature which can occur during the drilling of horizontal or applications . vertical wells. This paper discusses the deficiencies of past methods, such as the use of non-representative core CommonMechanisms of Formation Damage During or fluids, non-preserved or non-restored state core, Overbalancedand UnderbalancedDrilling Operations ambient conditions of temperature and overburden pressure, direct injection of muds/filtrates into samples and A number of authors have provided a detailed unrealistically high drawdown gradients for cleanup.

CIM 95-136 SPECIAL CORE ANALYSIS DESIGNED TO MINIMIZE FORMATION DAMAGE ASSOCIATED WITH VERTICAL/HORIZONTAL DRilliNG APPLICATIONS By Doane, R.D., Bennion, D.B., Thomas, F.B., Bietz, R, and Bennion, D.W.

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  Applications, With, Drilling, Horizontal, Associated, Vertical, Associated with vertical horizontal drilling applications

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