饶阳凹陷蠡县斜坡中北段精细勘探与重要发现
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摘要
饶阳凹陷蠡县斜坡是一个勘探40余年的老探区。受该斜坡地层产状平缓、构造圈闭不发育的影响,勘探早期阶段构造油藏发现殆尽之后,多年勘探再无进展。近3年来通过精细二次三维地震资料采集与处理、精细小断层微幅度构造刻画解释、精细小砂体综合预测描述、精细压裂施工工艺技术选择、精细勘探开发一体化实施,新增三级石油储量达亿吨级,重新取得了岩性地层油藏的重要发现,实现了老探区精细勘探的新突破。
Lixian slope in Raoyang sag is an old exploration area that has been explored for more than 40 years. Because the attitude of stratum is gentle and no structural traps developed in the slope, no progress has been made in exploration since the structural reservoirs were discovered at the early stage of exploration. Through secondary precise 3D data acquisition and processing, meticulous minor-fault micro-range structure depiction and interpretation, precise and comprehensive prediction and description of small sands, selection of precise fracturing technologies, integrated implementation of precise exploration and development in the past three years, newly added proved, probable and possible reserves have reached 100 million tons, important discoveries of stratigraphic and lithologic reservoirs have been regained, so new breakthroughs have been made in the precise exploration of the old exploration area.
Lixian slope in Raoyang sag is an old exploration area that has been explored for more than 40 years. Because the attitude of stratum is gentle and no structural traps developed in the slope, no progress has been made in exploration since the structural reservoirs were discovered at the early stage of exploration. Through secondary precise 3D data acquisition and processing, meticulous minor-fault micro-range structure depiction and interpretation, precise and comprehensive prediction and description of small sands, selection of precise fracturing technologies, integrated implementation of precise exploration and development in the past three years, newly added proved, probable and possible reserves have reached 100 million tons, important discoveries of stratigraphic and lithologic reservoirs have been regained, so new breakthroughs have been made in the precise exploration of the old exploration area.
引文
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[4] 金凤鸣,张锐锋,等.冀中坳陷饶阳凹陷留西沙三段岩性油藏勘探思路[J].中国石油勘探,2004,9(3):62～66.
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