#ASSIGNMENT2 7. The casing shoe has been drilled and 10 feet of - TopicsExpress



          

#ASSIGNMENT2 7. The casing shoe has been drilled and 10 feet of new hole made. A leak-off test is to be taken. The mud is being conditioned to make the weight the same around the well. Which of the following would help give an accurate leak-off test result? a. Condition the mud until the mud weight in the well is constant before conducting the leak-off test. b. Stop the pump after 5 barrels and record the drill pipe pressure as leak-off. c. Choose the lightest mud weight in the hole and use it in the leak-off test result. d. Slowly pump water down the annulus with the cement pump and record the pressure. ANSWER: (a) While conducting LOT, the the drilling mud in annulus & drillstring should be fresh & homogeneous of predetermined mud weight.
Posted on: Wed, 06 Nov 2013 12:51:30 +0000

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