GSTDTAP  > 地球科学
DOI10.1306/08161817214
Quantification and characterization of hydrocarbon-filled porosity in oil-rich shales using integrated thermal extraction, pyrolysis, and solvent extraction
Gorynski, Kyle E.1; Tobey, Mark H.2; Enriquez, Daniel A.2; Smagala, Thomas M.2; Dreger, Jill L.2; Newhart, Richard E.2
2019-03-01
发表期刊AAPG BULLETIN
ISSN0149-1423
EISSN1558-9153
出版年2019
卷号103期号:3页码:723-744
文章类型Article
语种英语
国家USA
英文摘要

For oil-rich shales, current solvent extraction- and thermal extraction-based methods inaccurately measure hydrocarbon-filled porosity (phi(HC)). Moreover, the hydrocarbon composition is not characterized by either method. Here, we show how open-system programmed thermal extraction and pyrolysis, LECO total organic carbon, Archimedes bulk density, and helium pycnometry measurements are integrated to calculate oil and gas pore volumes, characterize their composition, and estimate mobility. Use of a modified multiramp, slow-heating thermal extract, and pyrolysis temperature program further subdivides the phi(HC). Saturate-aromatic-resin-asphaltene (SARA) separation and gas chromatography of solvent-extracted organic matter and thermally extracted oils are used to compositionally classify the phi(HC). The segregated bulk compositions of gas- and oil-filled porosity measured via this method are shown to overlap and are broken into the following categories: gas-filled porosity (similar to C-1-C-14), light oil-filled porosity (similar to C-6-C-36), and heavy oil-filled porosity (similar to C-32-C-36+). Furthermore, slow-heating multiramp thermal extraction can subdivide the light oil-filled porosity into four components capturing the C-11-C-13, C-12-C-16, C-14-C-20, and C-17-C-36 ranges of the extractable organic matter. Analysis of solvent-extracted oils by SARA identifies abundant saturates and aromatics in the light oil-filled porosity and abundant resins and asphaltenes in the heavy oil-filled porosity. Low-maturity shales can be dominated by heavy (C-32+) oils rich in asphaltene and resin fractions not observed in the produced fluid. The ratios of SARA components in the C-15+ fraction of produced fluid and core extract can be used to better estimate the potentially mobile phi(HC).


领域地球科学
收录类别SCI-E
WOS记录号WOS:000459337700009
WOS关键词BARNETT SHALE ; ROCK ; CORE ; SATURATION
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/24384
专题地球科学
作者单位1.Bonanza Creek Energy, Denver, CO 80202 USA;
2.Encana Oil & Gas Inc, Denver, CO USA
推荐引用方式
GB/T 7714
Gorynski, Kyle E.,Tobey, Mark H.,Enriquez, Daniel A.,et al. Quantification and characterization of hydrocarbon-filled porosity in oil-rich shales using integrated thermal extraction, pyrolysis, and solvent extraction[J]. AAPG BULLETIN,2019,103(3):723-744.
APA Gorynski, Kyle E.,Tobey, Mark H.,Enriquez, Daniel A.,Smagala, Thomas M.,Dreger, Jill L.,&Newhart, Richard E..(2019).Quantification and characterization of hydrocarbon-filled porosity in oil-rich shales using integrated thermal extraction, pyrolysis, and solvent extraction.AAPG BULLETIN,103(3),723-744.
MLA Gorynski, Kyle E.,et al."Quantification and characterization of hydrocarbon-filled porosity in oil-rich shales using integrated thermal extraction, pyrolysis, and solvent extraction".AAPG BULLETIN 103.3(2019):723-744.
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