B shut down the pumps c open the diverter line valve d

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Unformatted text preview: til a tool joint is above the rotary table. b. Shut down the pumps. c. Open the diverter line valve. d. Close the diverter bag (annular preventer). e. Start the pumps at a fast rate. f. Notify the company personnel. 74 Copyright(c) 2005 by Ali Ghalambor & Boyun Guo 37 C. Crew Member Responsibilities for Shut-In Procedures Floorhand Derrickman Driller (or Assistant Driller) 75 6. Obtaining and Interpreting the Shut-In Pressures A. Reading and Interpreting the Pressures. a. Reading the pressure b. Interpretation of the recorded pressures c. Constant bottom hole pressure d. Effect of time f. Trapped pressure g. Drill pipe floats h. Kick identification 76 Copyright(c) 2005 by Ali Ghalambor & Boyun Guo 38 B. Kill Mud Weight Calculations K.W.M.= SIDPP×19.23/Depth + O.W.M. Where SIDPP = Shut-in Drill Pipe Pressure, 19.23 = The reciprocal of .052 Depth= The true vertical depth of the bit, O.W.M.= The original weight mud in the drill pipe 77 Example Problem: 15,000 ft well, 8 ½” hole with...
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