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Unformatted text preview: t required for production. At this stage, the operator may have limited information about the geological characteristics of the reservoir and surrounding formations. Such information, including data about the surrounding formations, pore pressures, 14 reservoir configuration and reservoir volumes, is developed during the exploratory drilling operation and may lead to changes in the drilling plan and well design as the operation proceeds. Once an operator finishes drilling an exploratory well and performing its initial evaluation of the well, it typically seals the well by pumping cement and installing mechanical plugs. This procedure is commonly referred to as “plugging and abandoning” the well. If the operator believes that it eventually will be able to produce hydrocarbons from the exploratory well, it may choose to perform “temporary abandonment” procedures, which are procedures that allow the drilling rig to move off of the well so that the operator can return at a later date to complete the well and prepare it for production. A typical deepwater well is drilled u...
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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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