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Unformatted text preview: ssure differential at which a joint of casing will fail. Collapse pressure is the pressure at which a tube or vessel will catastrophically deform as a result of differential pressure between the outside and the inside of the tube or vessel. Schlumberger Oilfield Glossary. 68 Tensile strength is the force per unit cross‐sectional area required to pull a substance apart. Schlumberger Oilfield Glossary. 69 Ballooning, in which the formation absorbs drilling mud while the rig’s pumps are activated and then releases the mud back into the well when the pumps are not active, can be misinterpreted as a kick. 70 MMS approved: BP’s Application for Permit to Bypass, which added an additional casing string, on March 15, 2010; BP’s Revised Application for Permit to Bypass, which added a liner, on 67 31 D. Mud Program and Type Drilling mud provides hydrostatic pressure ‐ pressure exerted by a fluid at equilibrium due to the force of gravity ‐ to prevent formation fluids from entering the wellbore. Drilling mud...
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This note was uploaded on 01/18/2014 for the course BEPP 305 taught by Professor Nini during the Fall '11 term at UPenn.

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