Q:

15 bbl/hr of partial losses are recorded and there is no tubing in the well. If personnel fails to keep the hole full for 5 hours, what is bottom hole pressure reduction after 5 hours if the casing capacity is 0.035 bbl/ft and the current mud weight is 9.2 ppg?

A) 950 psi B) 1025 psi
C) 1255 psi D) 550 psi
 

View Answer Explanation

93