渭河盆地固市凹陷含氦地层识别技术应用及勘探开发启示

doi:10.3969/j.issn.1006-6535.2026.03.006

特种油气藏 ›› 2026, Vol. 33 ›› Issue (3): 55-61.DOI: 10.3969/j.issn.1006-6535.2026.03.006

渭河盆地固市凹陷含氦地层识别技术应用及勘探开发启示

蔡鑫磊, 李谦益, 张阳, 范明璞, 李正, 张国强, 李萌瑶

陕西燃气集团有限公司,陕西西安 710016

收稿日期:2025-08-05 修回日期:2026-02-24 出版日期:2026-06-25 发布日期:2026-09-04
通讯作者: 李谦益(1969—),男,正高级工程师,1993年毕业于西北工业大学热能工程专业,现主要从事氦气勘探地质研究及项目管理工作。
作者简介:蔡鑫磊(1969—),男,正高级会计师,2002年毕业于中南财经政法大学工商管理专业,2010年毕业于西北大学经济学专业,获博士学位,现主要从事氦气勘探地质研究及矿产经济学方面工作。
基金资助:
深地国家科技重大专项“盆地边缘天然氦富集与探测”(SQ2025AAA060128);陕西省地质勘查基金项目“渭河盆地华州-华阴地区氦气资源成藏规律及勘探开发技术研究”(61202514496)、“陕西省渭南市华州-华阴地区地热水及氦气普查”(61202110374)

Application of helium-bearing strata identification technology in the Gushi Sag, Weihe Basin,and implications for exploration and development

CAI Xinlei, LI Qianyi, ZHANG Yang, FAN Mingpu, LI Zheng, ZHANG Guoqiang, LI Mengyao

Shaanxi Gas Group Co.,Ltd.,Xi'an,Shaanxi 710016,China

Received:2025-08-05 Revised:2026-02-24 Online:2026-06-25 Published:2026-09-04

摘要/Abstract

摘要： 氦气是一种稀缺性战略资源,开展氦气资源勘探及相关技术研究势在必行。渭河盆地氦气资源丰富,但整体勘探程度较低,缺乏成熟的含氦地层识别技术与评价标准,制约了氦气资源规模化勘探开发。针对该问题,结合氦气成藏条件与含量检测方法,依托渭河盆地固市凹陷南部斜坡最新勘探成果,建立了含氦地层识别技术与评价标准。研究表明:氦气富集与成藏遵循“源-运-聚”三大核心要素,控制氦气生成、运移与成藏的全过程;综合氦气随钻检测、常规油气井录井工艺与测井解释评价等技术,构建了含氦地层识别技术与评价标准,明确了关键参数指标,即氦气含量(0.050‰~0.100‰)、全烃含量(2%~3%)、纵横波速度比(1.6~1.8)、含气饱和度(20%~30%)、声波时差(330~380 μs/m)、岩性密度(2.2~2.4 g/cm³)、岩性等。通过现场应用,在固市凹陷南部斜坡区内多口探井中划分出Ⅰ、Ⅱ、Ⅲ类等多个含氦储层。含氦地层识别技术的建立与应用进一步明确了固市凹陷南部斜坡局部存在氦气藏,对渭河盆地氦气资源勘探开发的发展方向具有借鉴作用。

关键词: 氦气勘探, 含氦地层, 识别技术标准, 勘探启示, 固市凹陷, 渭河盆地

Abstract: Helium is a scarce strategic resource,and it is imperative to advance helium resource exploration and related technological research.The Weihe Basin is well endowed with helium resources,but its overall exploration level remains low.The lack of mature identification techniques and evaluation criteria for helium-bearing strata has constrained the large-scale exploration and development of helium resources.To slove this problem,and in combination with the conditions for helium accumulation and helium-content detection methods,this study established a set of identification techniques and evaluation criteria for helium-bearing strata based on the latest exploration results from the southern slope of the Gushi Sag in the Weihe Basin.The results show that helium reservoirs strictly follow the three core elements of “generation-migration-accumulation”,which control the entire process of helium generation,migration,and accumulation.By integrating while-drilling helium detection,conventional mud logging procedures for oil and gas wells,and well-log interpretation and evaluation,a technical standard system for identifying helium-bearing strata was established.The key parameter indicators were defined as helium content of 0.050‰-0.100‰,total hydrocarbon content of 2%-3%,P-/S-wave velocity ratio of 1.6-1.8,gas saturation of 20%-30%,acoustic travel time of 330-380 μs/m,bulk density of 2.2-2.4 g/cm³,and lithologies including siltstone,sandstone,and mudstone.Through field application,multiple Class Ⅰ,Class Ⅱ,and Class Ⅲ helium-bearing reservoirs were delineated in several exploration wells on the southern slope of the Gushi Sag.The establishment and application of the helium-bearing strata identification technology further demonstrate the local occurrence of helium reservoirs on the southern slope of the Gushi Sag,and provide useful guidance for the future direction of helium resource exploration and development in the Weihe Basin.

Key words: helium exploration, helium-bearing strata, identification technical standards, exploration implications, Gushi Sag, Weihe Basin

中图分类号:

TE122.2

蔡鑫磊, 李谦益, 张阳, 范明璞, 李正, 张国强, 李萌瑶. 渭河盆地固市凹陷含氦地层识别技术应用及勘探开发启示[J]. 特种油气藏, 2026, 33(3): 55-61.

CAI Xinlei, LI Qianyi, ZHANG Yang, FAN Mingpu, LI Zheng, ZHANG Guoqiang, LI Mengyao. Application of helium-bearing strata identification technology in the Gushi Sag, Weihe Basin,and implications for exploration and development[J]. Special Oil & Gas Reservoirs, 2026, 33(3): 55-61.

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渭河盆地固市凹陷含氦地层识别技术应用及勘探开发启示

Application of helium-bearing strata identification technology in the Gushi Sag, Weihe Basin,and implications for exploration and development

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