Deep Buried-hill Type Reservoir Exploration Technology Used in Changyangdian Region of Raoyang Sag

Abstract

Abstract: According to the exploration in Changyangdian buried-hill of Raoyang sag, systematic ideas aiming at buried-hill exploration are developed preliminarily. Firstly, the comprehensive geological characteristics and complicated relationship between oil and water are analyzed, and exploration targets are determined. Then high-precision 3D seismic acquisition techniques and pre-stack migration processing techniques are fully utilized, and the quality of seismic data is improved. At last, accurate seismic data interpretation is made and accurate trapping is fulfilled. Based on the comprehensive evaluation on oil sources, reservoirs, and sealing conditions, a new accumulation model-new source, paleo sealing and reservoir formation- is developed. Finally a new buried-hill trap, i.e., the Chang 3 well buried hill is fulfilled. Plenty of oil and gas stream is obtained in Wumishan Formation.

Key words: Raoyang sag, Changyangdian, deep buried-hill, exploration technology

CLC Number:

P618.13

Xingfusong, Du Xianying, Jizhongyun and Xing Guang. Deep Buried-hill Type Reservoir Exploration Technology Used in Changyangdian Region of Raoyang Sag[J]. China Petroleum Exploration, 2008, 13(6): 50-52,56,81.

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Deep Buried-hill Type Reservoir Exploration Technology Used in Changyangdian Region of Raoyang Sag

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