Abstract ID#:
A146
Report Title:
Development and Assessment of Well Control Procedures for Extended Reach and Multilateral Wells Utilizing Computer Simulation
Authors:
Jerome J. Schubert, Bjorn Gjorv, Max Long, Texas A&M University, Jonggeun Choe Seoul National University, Korea
Report Date:
December, 2004
Results from this study can be useful in planning well kill operations. The planning process can be summarized as follows:
- Determine the capacities of the mud/gas separation equipment to determine the maximum circulation rate that this equipment can tolerate.
- Compare this rate to the optimum circulation rate to remove gas from the horizontal portion of the hole.
- If the minimum rate to remove gas from the horizontal section exceeds the maximum rate that can be handled by the surface equipment, the kill operation should begin at the higher kill rate to remove gas from the horizontal section.
- Once the casing pressure begins to rise due to the gas entering the non-horizontal section, the kill rate should be reduced.
- This dual kill rate would require that a kill rate pressure be taken at more than one rate, and the kill sheet should reflect these kill rate/kill rate pressure combinations.
A thorough explanation can be found in Parts II and III.
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