Compute the total pit gain that would be observed when the

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Reference no: EM13629231

A 20 bbl influx of 9 lbm/gal salt water enters a 10,000 ft well containing 10 lbm/gal mud. The annular capacity is .0775 bbl/ft opposite the drillpipe and .0500 bbl/ft opposite the 600 ft of drill collars. The capacity factor inside the drillpipe is .01776 bbl/ft and the capacity factor inside the drill collars is .008 bbl/ft. The formation pressure is 6000 psia and assume T=140F.

a) Compute the shut in drillpipe and casing pressure that would be observed after the kick entered the well.

b) Compute the surface annular pressure that would be observed when the top of the salt water kick reaches the surface if the mud density is increased to the kill mud density before circulation of the well.

c) Compute the total pit gain that would be observed when the top of the kick reaches the surface.

d) Compute the surface annular pressure that would be observed if the kick was methane gas instead of brine.

Reference no: EM13629231

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