Elastic Exploring Law Analysis of the Deep Vuggy Reservoir

Abstract:

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The deep cave is an important storage space in the fractured-vuggy reservoir in the Tahe oilfield, with large differences in spatial structure and the complex relationship between oil and water features, so far, mainly in elastic energy as the driving force for mining; this paper, base on the elasticity theory, analyses mining characteristics of the three fractured-vuggy model, and found that the bottom hole pressure has a certain relationship with the fracture and cave properties, the bottom hole pressure equation was established, and verified the bottom hole pressure variation of three fractured-vuggy mode by physical simulation, and analyzed the relationship between cumulative production and accumulation of pressure drop curves, the results showed that: showed a single index of changes in bottom hole pressure for the single cave mode and single-fractured-cave mode, and the cumulative production and cumulative pressure drop curve is linear, the bottom hole pressure showed double-index change for the cave-fractured-cave model, and the cumulative production and accumulation of pressure drop curves have a bend segment, this research provide a basis for the development in the deep vuggy reservoir .

Info:

Periodical:

Edited by:

Wu Fan

Pages:

3068-3073

DOI:

10.4028/www.scientific.net/AMM.110-116.3068

Citation:

B. H. Chang et al., "Elastic Exploring Law Analysis of the Deep Vuggy Reservoir", Applied Mechanics and Materials, Vols. 110-116, pp. 3068-3073, 2012

Online since:

October 2011

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Price:

$35.00

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