录井工程 ›› 2023, Vol. 34 ›› Issue (3): 44-48.doi: 10.3969/j.issn.1672-9803.2023.03.007

• 解释评价 • 上一篇    下一篇

鄂尔多斯盆地太原组灰岩储层气测录井评价方法

滕飞启①,②, 阎荣辉, 吴明松①,②, 李品伟, 周晶, 王华杰   

  1. ①中国石油长庆油田分公司勘探开发研究院;
    ②低渗透油气田勘探开发国家工程实验室;
    ③中国石油长庆油田分公司工程技术管理部;
    ④中国石油长庆油田分公司第三采气厂
  • 收稿日期:2023-04-11 出版日期:2023-09-25 发布日期:2023-10-10
  • 作者简介:滕飞启 工程师,1982 年生,2006 年毕业于中国地质大学(北京)资源勘查工程专业,现在中国石油长庆油田分公司勘探开发研究院主要从事测录井评价解释工作。通信地址:710018 陕西省西安市未央区凤城四路长庆油田勘探开发研究院。电话:18089204920。E-mail:tfq2_cq@petrochina.com.cn

Gas logging evaluation method of Taiyuan Formation limestone reservoirs in Ordos Basin

TENG Feiqi①,②, YAN Ronghui, WU Mingsong①,②, LI Pinwei, ZHOU Jing, WANG Huajie   

  1. ①Exploration and Development Research Institute of PetroChina Changqing Oilfield Company, Xi'an, Shaanxi 710018,China;
    ②National Engineering Laboratory for Exploration and Development of Low Permeability Oil & Gas Fields, Xi'an, Shaanxi 710018,China;
    ③Engineering Technology Management Department of PetroChina Changqing Oilfield Company, Xi'an,Shaanxi 710018,China;
    ④No.3 Gas Production Plant of PetroChina Changqing Oilfield Company, Ordos, Inner Mongolia 017010,China
  • Received:2023-04-11 Online:2023-09-25 Published:2023-10-10

摘要: 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。

关键词: 鄂尔多斯盆地, 太原组, 灰岩, 气测录井, 气测评价因子

Abstract: As new target strata of Upper Paleozoic exploration in Ordos Basin in recent years, Taiyuan Formation limestone reservoirs have obvious gas bearing shows in mud logging. Although natural gas accumulation conditions are available, the interpretation conclusions of conventional gas logging methods based on clastic rocks have a low coincidence rate with the gas testing results. Gas logging evaluation factor was constructed by screening five parameters: total hyarocarbon base value, total hydrocarbon relative peak area, reservoir effective thickness, gas logging abnormal showing thickness and total hydrocarbon base value uplift. Combined with on-site gas testing data, a gas logging evaluation factor interpretation chart was established, and a contour map of gas logging evaluation factor was drawn to quantitatively evaluate the gas bearing properties of the reservoirs, forming a new mud logging interpretation method for the geological characteristics of limestone reservoirs. The evaluations of single well productivity by this method are highly consistent with the gas testing results, providing a reliable mud logging basis for evaluating the exploration potential and optimizing favorable target areas for Taiyuan Formation limestones in Ordos Basin.

Key words: Ordos Basin, Taiyuan Formation, limestone, gas logging, gas logging evaluation factor

中图分类号: 

  • TE132.1
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