鄂尔多斯盆地陇东地区太原组铝土岩储层录井评价

doi:10.3969/j.issn.1672-9803.2022.03.007

录井工程 ›› 2022, Vol. 33 ›› Issue (3): 41-48.doi: 10.3969/j.issn.1672-9803.2022.03.007

鄂尔多斯盆地陇东地区太原组铝土岩储层录井评价

张文雅^①, 张春阳^②③, 刘治恒^②③, 朱更更^②③, 胡洋^①, 李楠^①

①中国石油渤海钻探第二录井公司;
②中国石油长庆油田公司勘探开发研究院;
③低渗透油气田勘探开发国家工程实验室

收稿日期:2022-05-03 出版日期:2022-09-25 发布日期:2022-10-14
作者简介:张文雅高级工程师,1973年生,2004年毕业于华东石油大学资源勘查工程专业,现在中国石油渤海钻探第二录井公司主要从事地质综合研究工作。通信地址:062552 河北省任丘市中国石油渤海钻探第二录井公司。电话:(0317)2701479。E-mail:zhangwenya@cnpc.com.cn

Mud logging evaluation of bauxite reservoir in Taiyuan Formation, Longdong area, Ordos Basin

ZHANG Wenya^①, ZHANG Chunyang^②③, LIU Zhiheng^②③, ZHU Genggeng^②③, HU Yang^①, LI Nan^①

①No.2 Mud Logging Company, BHDC, CNPC, Renqiu, Hebei 062552, China;
②Research Institute of Exploration and Development, PetroChina Changqing Oilfield Company, Xi'an,Shaanxi 710018, China;
③National Engineering Laboratory for Exploration and Development of Low Permeability Oil and Gas Fields, Xi'an,Shaanxi 710018,China

Received:2022-05-03 Online:2022-09-25 Published:2022-10-14

摘要/Abstract

摘要： 近年来,鄂尔多斯盆地陇东地区太原组铝土岩储层获得高产工业气流,展示出了新地区新领域的广阔勘探前景。以往认为太原组铝土岩黏土含量高、密度较大、物性差,是下古生界气藏的封盖层或生气层,故一直未受到重视。由于铝土岩作为一种新型的非常规天然气储层与常规储层不同,尚未建立针对该类储层的录井解释评价方法,导致该类储层流体性质评价及优化试气选层方面存在一定困难。为此,以区域内一系列铝土岩钻井取心录井数据为标准,从岩性、物性、含水性、含气性4方面进行综合评价,建立了评价标准和评价图板,应用结果显示,其解释符合率达78.6%,为科学评价铝土岩储层流体性质、优选试气层位以及后期水平井压裂改造方案的确定提供了依据。

关键词: 铝土岩, 录井评价, 气测参数, 太原组, 鄂尔多斯盆地, 陇东地区

Abstract: In recent years, the bauxite reservoir in Taiyuan Formation, Longdong area,Ordos Basin has obtained high-production commercial gas, showing the broad exploration prospects of the new areas and the new fields. The bauxite in Taiyuan Formation was considered to be the capping or gas generating beds of the Lower Paleozoic gas pool because of its high clay content, high density and poor physical properties, so it has not been paid attention to. Because bauxite, as a new unconventional natural gas reservoir, is different from conventional reservoirs, with no mud logging interpretation and evaluation method for such reservoir, there are some difficulties in the evaluation of fluid properties and the optimization of horizon selection for gas testing. Therefore, using a series of bauxite mud logging data for drilling coring in the area as the criteria, the comprehensive evaluation was carried out from four aspects of lithology, physical property, aquosity and gas bearing property, and the evaluation criteria and charts were established. The application results show that the interpretation coincidence rate reaches 78.6%, which provides a basis for scientific evaluation of fluid properties, optimization of gas testing horizons and determination of fracturing stimulation plans for horizontal wells in the later stage. These three aspects are about the bauxite reservoir.

Key words: bauxite, mud logging evaluation, gas logging parameter, Taiyuan Formation, Ordos Basin, Longdong area

中图分类号:

TE132.1

张文雅, 张春阳, 刘治恒, 朱更更, 胡洋, 李楠. 鄂尔多斯盆地陇东地区太原组铝土岩储层录井评价[J]. 录井工程, 2022, 33(3): 41-48.

ZHANG Wenya, ZHANG Chunyang, LIU Zhiheng, ZHU Genggeng, HU Yang, LI Nan. Mud logging evaluation of bauxite reservoir in Taiyuan Formation, Longdong area, Ordos Basin[J]. Mud Logging Engineering, 2022, 33(3): 41-48.

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鄂尔多斯盆地陇东地区太原组铝土岩储层录井评价

Mud logging evaluation of bauxite reservoir in Taiyuan Formation, Longdong area, Ordos Basin

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