黔西地区打屋坝组富有机质页岩地球化学特征及其意义

陈榕; 苑坤; 张子亚; 徐秋枫; 卢树藩; 贺敬博

doi:10.11781/sysydz201901010

黔西地区打屋坝组富有机质页岩地球化学特征及其意义

doi: 10.11781/sysydz201901010

1. 中国地质调查局油气资源调查中心, 北京 100083;
2. 贵州省地质调查院, 贵阳 550000;
3. 自然资源部, 北京 100034

基金项目:

“十三五”国家科技重大专项“页岩气资源潜力评价方法与勘查技术攻关”（2016ZX05034）和中国地质调查局项目（DD20160196，DD20160178）联合资助。

详细信息

作者简介:
陈榕(1987-),女,博士,工程师,从事页岩气勘查及沉积学领域的研究。E-mail:chenrong@mail.cgs.gov.cn。

中图分类号: TE122.113
计量
- 文章访问数: 1065
- HTML全文浏览量: 88
- PDF下载量: 204
- 被引次数: 0
出版历程
- 收稿日期: 2018-09-19
- 修回日期: 2018-11-30
- 刊出日期: 2019-01-28

Geochemical characteristics of organic-rich shale in the Dawuba Formation, western Guizhou Province

1. Oil and Gas Survey, China Geological Survey, Beijing 100083, China;
2. Guizhou Geological Survey, Guiyang 550000, China;
3. Natural Resources Ministry, Beijing 100034, China

摘要

摘要: 随着中国页岩气勘查开发的推进，南方地区上古生界富有机质页岩受到更多的关注。贵州西部地区下石炭统打屋坝组富有机质泥页岩段厚度大、分布范围广，是贵州页岩气勘查重点层位。在页岩气勘查过程中，潜质页岩的有机质丰度、成熟度以及干酪根类型等是评价一个地区页岩气潜力的主要参数。通过对黔西地区打屋坝组富有机质页岩露头样品进行有机碳含量、干酪根类型以及镜质体反射率测试，并结合前人数据，对该页岩有机地化特征进行了描述。黔西地区打屋坝组富有机质页岩有机碳含量普遍大于1.0%，多数分布在1.0%~3.0%范围内；干酪根类型以Ⅱ₂型、Ⅲ型为主，少数地区为Ⅱ₁型；大部分样品成熟度R_o在1.3%~3.0%之间，处于高成熟阶段和过成熟早期阶段。黔西六盘水水城地区和普安-晴隆地区打屋坝组页岩有机地化条件较好，具有较好的页岩气勘查潜力。
- 有机地球化学 /
- 富有机质页岩 /
- 打屋坝组 /
- 下石炭统 /
- 贵州西部
Abstract: Consideration of the organic-rich shale of the Upper Paleozoic in the southern part of China has been stimulated by the advancement of shale gas exploration and development in China. The organic shale section of the Lower Carboniferous Dawuba Formation in the western part of Guizhou Province, which is widely distributed and thick, is one of the main targets of Guizhou shale gas exploration. In the process of shale gas exploration, the organic matter abundance, maturity and kerogen type of organic-rich shale are the main parameters of shale gas evaluation. In this paper, these three properties were determined on organic shale outcrop samples of the Dawuba Formation and combined with previous data, the organic geochemical characteristics of the Dawuba Formation have been described. The TOC content of organic-rich shale in the Dawuba Formation in the western Guizhou is generally > 1%, and most samples are in the range of 1%-3%. The kerogen in the Dawuba Formation is mainly of type Ⅱ₂ and type Ⅲ, and in some parts type Ⅱ₁ is present. R_o is generally > 0.6%, mostly distributed in the range of 1.3%-3.0%, which means they are high maturity to over-mature. The regional data show that the organic geochemical properties and the shale gas exploration potential of the Dawuba Formation are better in Liupanshui Shuicheng and Pu'an-Qinglong areas.
- organic geochemistry /
- organic-rich shale /
- Dawuba Formation /
- Lower Carboniferous /
- western Guizhou Province

HTML全文

参考文献(21)

[1]	邹才能,董大忠,王社教,等.中国页岩气形成机理、地质特征及资源潜力[J].石油勘探与开发,2010,37(6):641-653. ZOU Caineng,DONG Dazhong,WANG Shejiao,et al.Geological characteristics,formation mechanism and resource potential of shale gas in China[J].Petroleum Exploration and Development,2010,37(6):641-653.
[2]	宋岩,赵孟军,胡国艺,等.中国天然气地球化学研究新进展及展望[J].矿物岩石地球化学通报,2012,31(6):529-542. SONG Yan,ZHAO Mengjun,HU Guoyi,et al.Progress and perspective of natural gas geochemistry researches in China[J].Bulletin of Mineralogy,Petrology and Geochemistry,2012,31(6):529-542.
[3]	陈建平,梁狄刚,张水昌,等.中国古生界海相烃源岩生烃潜力评价标准与方法[J].地质学报,2012,86(7):1132-1142. CHEN Jianping,LIANG Digang,ZHANG Shuichang,et al.Evaluation criterion and methods of the hydrocarbon generation potential for China's Paleozoic marine source rocks[J].Acta Geologica Sinica,2012,86(7):1132-1142.
[4]	刘全有,刘文汇,王晓锋,等.不同烃源岩实验评价方法的对比[J].石油实验地质,2007,29(1):88-94. LIU Quanyou,LIU Wenhui,WANG Xiaofeng,et al.Comparisons of geochemical methods for assessment of hydrocarbon-generating potential[J].Petroleum Geology & Experiment,2007,29(1):88-94.
[5]	李玉喜,乔德武,姜文利,等.页岩气含气量和页岩气地质评价综述[J].地质通报,2011,30(2):308-317. LI Yuxi,QIAO Dewu,JIANG Wenli,et al.Gas content of gas-bearing shale and its geological evaluation summary[J].Geolo-gical Bulletin of China,2011,30(2):308-317.
[6]	董大忠,程克明,王玉满,等.中国上扬子区下古生界页岩气形成条件及特征[J].石油与天然气地质,2010,31(3):288-299. DONG Dazhong,CHENG Keming,WANG Yuman,et al.Forming conditions and characteristics of shale gas in the Lower Paleozoic of the Upper Yangtze region,China[J].Oil & Gas Geology,2010,31(3):288-299.
[7]	苏慧敏,杨瑞东,程伟,等.贵州西南部下石炭统打屋坝组页岩气成藏特征与有利区分析[J].贵州大学学报(自然科学版),2017,34(3):41-46. SU Huimin,YANG Ruidong,CHENG Wei,et al.Shale gas accumulation characteristics and advantageous area analysis of Lower Carboniferous Dawuba Formation in southwestern Guizhou[J].Journal of Guizhou University (Natural Science),2010,34(3):41-46.
[8]	苑坤,王克营,巩书华,等.黔南地区石炭系打屋坝组页岩气富集特征及其影响因素[J].中国煤炭地质,2018,30(3):28-34. YUAN Kun,WANG Keying,GONG Shuhua,et al.Shale gas enrichment features and impacting factors in Carboniferous Dawuba Formation,southern Guizhou area[J].Coal Geology of China,2018,30(3):28-34.
[9]	窦新钊,姜波,秦勇,等.黔西地区构造演化及其对晚二叠世煤层的控制[J].煤炭科学技术,2012,40(3):109-114. DOU Xinzhao,JIANG Bo,QIN Yong,et al.Structure evolution in west of Guizhou area and control to seam in Late Permian[J].Coal Science and Technology,2012,40(3):109-114.
[10]	卢树藩,何犇,杜胜江.黔南代页1井下石炭统打屋坝组页岩气地质条件及勘探前景[J].中国地质调查,2016,3(4):6-11. LU Shufan,HE Ben,DU Shengjiang.Geological conditions and exploration prospect of shale gas in Dawuba Formation of Lower Carboniferous of Daiye-1 well in southern Guizhou Province[J].Geological Survey of China,2016,3(4):6-11.
[11]	安亚运,符宏斌,陈厚国,等.黔南下石炭统打屋坝组页岩气储层物性特征及控制因素:以长页1井储层为例[J].贵州地质,2015,32(3):181-189. AN Yayun,FU Hongbin,CHEN Houguo,et al.Reservoir property and control factors of shale gas of Dawuba Formation,Lower Carboniferous in South Guizhou:with Changye no.1 reservoir as an example[J].Guizhou Geology,2015,32(3):181-189.
[12]	曹婷婷,徐思煌,周炼,等.高演化海相烃源岩元素地球化学评价:以四川南江杨坝地区下寒武统为例[J].地球科学(中国地质大学学报),2014,39(2):199-209. CAO Tingting,XU Sihuang,ZHOU Lian,et al.Element geochemistry evaluation of marine source rock with high maturity:a case study of Lower Cambrian in Yangba section of Nanjiang County,Sichuan[J].Earth Science-Journal of China University of Geosciences,2014,39(2):199-209.
[13]	范昌育,王震亮.页岩气富集与高产的地质因素和过程[J].石油实验地质,2010,32(5):465-469. FAN Changyu,WANG Zhenliang.Geological factors and process in enrichment and high production of shale gas[J].Petroleum Geology & Experiment,2010,32(5):465-469.
[14]	SCHMOKER J W.Determination of organic-matter content of Appalachian Devonian shales from gamma-ray logs[J].AAPG Bulletin,1981,65(7):1285-1298.
[15]	BOWKER K A.Barnett shale gas production,Fort Worth Basin:issues and discussion[J].AAPG Bulletin,2007,91(4):523-533.
[16]	LOUCKS R G,RUPPEL S C.Mississippian Barnett shale:lithofacies and depositional setting of a deep-water shale-gas succession in the Fort Worth Basin,Texas[J].AAPG Bulletin,2007,91(4):579-601.
[17]	聂海宽,唐玄,边瑞康.页岩气成藏控制因素及中国南方页岩气发育有利区预测[J].石油学报,2009,30(4):484-491. NIE Haikuan,TANG Xuan,BIAN Ruikang.Controlling factors for shale gas accumulation and prediction of potential development area in shale gas reservoir of South China[J].Acta Petrolei Sinica,2009,30(4):484-491.
[18]	张卫东,郭敏,姜在兴.页岩气评价指标与方法[J].天然气地球科学,2011,22(6):1093-1099. ZHANG Weidong,GUO Min,JIANG Zaixing.Parameters and method for shale gas reservoir evaluation[J].Natural Gas Geoscience,2011,22(6):1093-1099.
[19]	周德华,焦方正.页岩气"甜点"评价与预测:以四川盆地建南地区侏罗系为例[J].石油实验地质,2012,34(2):109-114. ZHOU Dehua,JIAO Fangzheng.Evaluation and prediction of shale gas sweet spots:a case study in Jurassic of Jiannan area Sichuan Basin[J].Petroleum Geology & Experiment,2012,34(2):109-114.
[20]	李新景,吕宗刚,董大忠,等.北美页岩气资源形成的地质条件[J].天然气工业,2009,29(5):27-32. LI Xinjing,LV Zonggang,DONG Dazhong,et al.Geologic controls on accumulation of shale gas in North America[J].Natural Gas Industry,2009,29(5):27-32.
[21]	杨振恒,韩志艳,李志明,等.北美典型克拉通盆地页岩气成藏特征、模式及启示[J].石油与天然气地质,2013,34(4):463-470. YANG Zhenheng,HAN Zhiyan,LI Zhiming,et al.Characteristics and patterns of shale gas accumulation in typical North American cratonic basins and their enlightenments[J].Oil & Gas Geology,2013,34(4):463-470.