Model accurately predicts intermediate casing-run surge pressure in Marlin SS-1 well

08/26/2002
Significant casing-job planning and modeling, with a dynamic-surge model, enabled BP PLC successfully to run and cement the 135/8-in. intermediate casing, in the subsea development well Marlin SS-1, with the full or desired cement returns.The company drilled the Viosca Knoll Block 915 well last year in 3,540 ft of water to 12,432-ft total depth with the semisubmersible drilling rig Noble Jim Thompson (Fig. 1). Click here to enlarge imageThe 135/8-in. intermediate casing string, currently set at 9,119 ft, cases off the 17-in. borehole. The integrity of this string is highly critical both in terms of zonal isolation and overall project life.With information from the model, engineers fine-t...
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