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《Petroleum Geology & Oilfield Development in Daqing》 2007-04
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Economic boundary discussion for several development technologies applied in volcanic gas reservoirs of Shengping developing zone in Xushen Gas Field

YU Shi-quan1,LUO Lin2,LI Wei1,XU Qing-long1(1.Exploration and Development Research Institute of Daqing Oilfield Company Ltd.,Daqing 163712,China;2.Qingdao University of Science and Technology,Qingdao 266061,China)  
The gas produced from Gas Field always contains certain liquid phase material,which will cumulate in the well and form liquid loading thus hinder the productivity of the well,if there isn't sufficient energy for the gas to lift the liquid above ground.A rational gas-producing rate is essential for a gas well because liquid loading sometimes will totally block the well,and from economic perspective,an economic ultimate recovery rate and well spacing are also necessary.According to the real dynamic geologic feature of the volcanic gas reservoirs in Shengping developing zone of Xushen Gas Filed,the authors applied integrally the methods of gas reservoir engineering,gas-producing engineering,economic evaluation and gas reservoir numerical simulation to analyze and prove synthetically the economic boundaries such as entrained liquid threshold,single well location outcome boundary,economic ultimate distances between wells,rational gas-producing rate and so on for gas reservoir development technologies.A feasible methodology is proposed in this article,and results of the study shows that the identified boundary parameters coincide with the practical producing performance of the Gas Field,and the study is supportive to volcanic gas reservoir development design.
【CateGory Index】: TE37
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