
红星地区沙三段火成岩储集层气测录井解释评价方法
辽河盆地红星地区在沙三中亚段发育的不同期次的火成岩储集层,在近年来出现了高产油流井。但由于该套储集层岩性致密坚硬,裂缝发育不均,且油质较轻,现场气测录井资料很难区分油水层,对以往的试油井资料进行分析也可以看出,该火成岩储集层的气测全烃值异常幅度与产能响应关系不明显,这给解释评价带来了很大的难度。为了提高解释符合率,从气测录井的烃组分和派生参数特征分析入手,通过研究该地区沙三段火成岩储集层的气测全烃值、组分含量、含油性特征与油气产能的关系,提出了基于火成岩气测录井相关参数C2/C3及其与Wh和Bh 关系的解释标准,并在H-15、H-11等6口井的验证中取得成功,解释符合率达85%以上。该解释标准对红星地区火成岩油气层的解释评价具有一定的指导意义。
火成岩储集层 / 致密 / 全烃异常与产能 / 解释评价 / 烃组分 / 派生参数 {{custom_keyword}} /
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