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首頁(yè)» 往期文章» 2010» Issue 4» 石油地質(zhì)與地球物理

Petroleum Science >2010,??Issue 4:??485-493 DOI: https://doi.org/10.1007/s12182-010-0092-y

Quantitative evaluation methods for water-flooded layers of conglomerate reservoir based on well logging data Open?Access

文章信息

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作者：Tan Fengqi,Li Hongqi,Xu Changfu,Li Qingyuan and Peng Shouchang
作者單位：

College of Geophysics and Information, China University of Petroleum, Beijing 102249, China; State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China;College of Geophysics and Information, China University of Petroleum, Beijing 102249, China; State Key Laboratory of Petroleum Resource and Prospecting, China University of Petroleum, Beijing 102249, China;Research Institute of Petroleum Exploration and Development, Xinjiang Oilfi eld Company, PetroChina, Karamay, Xinjiang 834000, China;Research Institute of Petroleum Exploration and Development, Xinjiang Oilfi eld Company, PetroChina, Karamay, Xinjiang 834000, China;Research Institute of Petroleum Exploration and Development, Xinjiang Oilfi eld Company, PetroChina, Karamay, Xinjiang 834000, China

投稿時(shí)間：2009-07-09
引用方式：Tan, F., Li, H., Xu, C. et al. Pet. Sci. (2010) 7: 485. https://doi.org/10.1007/s12182-010-0092-y

文章摘要

The rapid changing near source, multi-stream depositional environment of conglomerate reservoirs leads to severe heterogeneity, complex lithology and physical properties, and large changes of oil layer resistivity. Quantitative evaluation of water-flooded layers has become an important but diffi cult focus for secondary development of oilfields. In this paper, based on the analysis of current problems in quantitative evaluation of water-flooded layers, the Kexia Group conglomerate reservoir of the Sixth District in the Karamay Oilfield was studied. Eight types of conglomerate reservoir lithology were identifi ed effectively by a data mining method combined with the data from sealed coring wells, and then a multi-parameter model for quantitative evaluation of the water-flooded layers of the main oil-bearing lithology was developed. Water production rate, oil saturation and oil productivity index were selected as the characteristic parameters for quantitative evaluation of water-flooded layers of conglomerate reservoirs. Finally, quantitative evaluation criteria and identification rules for water-flooded layers of main oil-bearing lithology formed by integration of the three characteristic parameters of water-flooded layer and undisturbed formation resistivity. This method has been used in evaluation of the water-flooded layers of a conglomerate reservoir in the Karamay Oilfield and achieved good results, improving the interpretation accuracy and compliance rate. It will provide technical support for avoiding perforation of high water-bearing layers and for adjustment of developmental programs.

關(guān)鍵詞

    Water-flooded layer, quantitative evaluation, conglomerate reservoir, lithology identifi cation, decision tree, characteristic parameters