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首页> 外文期刊>Journal of Petroleum Technology >HORIZONTAL-WELL TECHNOLOGY FOR ENHANCED RECOVERY IN VERY MATURE, DEPLETION-DRIVE GAS RESERVOIRS
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HORIZONTAL-WELL TECHNOLOGY FOR ENHANCED RECOVERY IN VERY MATURE, DEPLETION-DRIVE GAS RESERVOIRS

机译：水平井技术，可提高非常成熟的枯竭型气藏的采收率

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摘要

Horizontal-well technology has heen applied successfully to exploit reservoirs with thin beds, low-permeability zones, and natural fractures and in high-cost areas and zones with water coning. Horizontal technology has been used to enhance ultimate gas recovery in a very mature, low-pressure zone in the lower Pettit horizon at Carthage field, Panola County, Texas. The Pirkle-2 well was drilled to test the concept that a horizontal well could enhance ultimate recovery by lowering the final abandonment pressure in a very mature, depletion-drive gas reservoir. The Carthage field encompasses more than 300,000 productive acres and produces from seven different formations, three of which, the upper and lower Pettit and the Cotton Valley, have produced 2:1, 3.8, and 2.0 Tcf, respectively.
机译：水平井技术已经成功地应用于具有薄层，低渗透带和天然裂缝的储层的开发，以及在高成本地区和有水锥进的区域中的开发。在得克萨斯州Panola县迦太基油田佩蒂特下层地平线的非常成熟的低压带中，水平技术已被用于提高最终的天然气采收率。钻探了Pirkle-2井以测试这样的概念，即水平井可以通过降低非常成熟的衰竭驱动气藏中的最终放弃压力来提高最终采收率。迦太基油田占地超过300,000英亩，产自7种不同的地层，其中上部，下部的佩蒂特（Pettit）上部和下部的棉谷（Cotton Valley）分别产生了2：1、3.8和2.0 Tcf。

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