徐深气田火山岩气藏水平井开发实践

Science Technology and Engineering(2011)

Cited 2|Views22
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Abstract
徐深气田火山岩气藏是大庆油区未来天然气开发上产的主力产层。该类气藏储层物性差,气井以压裂投产为主,单井产量低,井控动态储量较小。底部普遍发育水层,气井稳产能力差。为改善开发效果,针对火山岩储层开展了水平井开发先导性试验,通过开展气藏地质、储层地质条件适应性评价。三维地质建模、地震和气藏工程等多学科优化设计论证,已在6个探明区块优选有利区带部署8口水平井,见到了明显的增产效果。通过水平井现场实践,初步形成了火山岩气藏水平井优化设计和水平井地质导向等开发配套技术,为提高火山岩气藏储量动用程度和整体开发效益奠定了基础,对同类气藏的开发具有指导借鉴作用。
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volcanic gas reservoirs horizontal well optimization geosteering
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