鄂尔多斯盆地太原组灰岩储层气测录井评价方法

TENG Feiqi,YAN Ronghui,WU Mingsong, LI Pinwei, ZHOU Jing, WANG Huajie

LUJING GONGCHENG(2023)

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Abstract
太原组灰岩储层作为近几年鄂尔多斯盆地上古生界勘探目标新层系,录井已有明显含气性显示,虽然具备天然气成藏条件,但基于碎屑岩的常规方法气测录井解释结论与试气成果符合率较低.通过筛选气测全烃基值、全烃相对峰面积、储层有效厚度、气测异常显示厚度、全烃基值抬升值5项参数构建气测评价因子,并结合现场试气数据建立气测评价因子解释图板,绘制气测评价因子等值线图定量评价储层含气性,形成了针对灰岩储层地质特征的录井解释新方法.利用该方法评价单井产能与试气结果吻合度较高,对鄂尔多斯盆地太原组灰岩勘探潜力评价和有利目标区优选提供了较为可靠的录井依据.
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Key words
Ordos Basin,Taiyuan Formation,limestone,gas logging,gas logging evaluation factor
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