PEPEP14
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Petroleum Exploration and Production Engineering Program (PEPEP) is established under the patronage of the Supreme Council of Egyptian Universities. English is the teaching language and credits point system is used. PEPEP study program: University requirements (20 credit hours), Faculty requirements (90 credit hours), Department requirements (51 hours) and elective courses (20 hours). Period of st
27/05/2015
The Ballooning Effect.
28/04/2015
STUCK PIPE
Stuck pipe may be due to Wellbore Geometry. In this case there are several mechanisms, one of them is called "Undergauge Hole".
Undergauge Hole Causes Stuck Pipe when drilling in to hard and abrasive formations. Drilling bit is undergauge because the abrasive formation wears a bit and stablizers, a hole size becomes smaller. When the new BHA is run in hole, the new bit/BHA gets sutck into the undergauge hole section.
To minimize this problem, driller hasn't to stag weight in order to pass the tight spots. The more weight you put on top, the harder to free the pipe.
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