LLOG Explration Company OCS-G 31435 #1 Main Pass Block #107 Offshore, LA BLOCKADE ™ CASE HISTORY Problem Depth: 13,332’ MD/ 12,700’ TVD Hole Size: 9.5” Mud Vendor: Newpark Mud Wt: 17.2 ppg DrillChem Engineer: Mel Melder Mud Type: Oil Base Shoe Depth: 10,635’ MD/ 10,498’ TVD Casing Size: 9-5/8” PROBLEM: Lost circulation while weighting up from 17.2 ppg to 17.3 ppg to kill background gas. Well bega

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