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Unformatted text preview: Production Engineering PGE 362 Homework 10 (1) Please compute the maximum fold of production increase for the following reservoir: k=0.1 md well bore diameter = 5” drainage boundary radius = 745’ You may assume the fracture half length (Xf) is equal to the drainage radius. ( 29 12 5 . 7 208 . 745 ln 208 . 745 ln ln ln 5 . 7 208 . 2 745 ln 2 ln =- + = + + =- = - = - = s w e o w e o s w f s r r s r r J J r x s (2) Please compute for the following conditions – (a) the absolute vertical stress on top of the reservoir (b) the effective vertical stress carried by the reservoir rock (c) the vertical stress carried by the reservoir pore fluid Depth=10,000 ft on shore Average overburden rock specific gravity = 2.67 Average overburden porosity = 0.3 Average overburden fluid specific gravity = 1.07 Reservoir pore fluid specific gravity = 0.9Reservoir pore fluid specific gravity = 0....
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- Spring '08
- reservoir rock, vertical stress, µA, net fracturing pressure