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DOI | 10.1306/04121817180 |
Organic matter network in post-mature Marcellus Shale: Effects on petrophysical properties | |
Delle Piane, Claudio1; Bourdet, Julien1; Josh, Matthew1; Ben Clennell, M.1; Rickard, William D. A.2,3; Saunders, Martin4; Sherwood, Neil5; Li, Zhongsheng5; Dewhurst, David N.1; Raven, Mark D.6 | |
2018-11-01 | |
发表期刊 | AAPG BULLETIN |
ISSN | 0149-1423 |
EISSN | 1558-9153 |
出版年 | 2018 |
卷号 | 102期号:11页码:2305-2332 |
文章类型 | Article |
语种 | 英语 |
国家 | Australia |
英文摘要 | Shale samples of the Marcellus Shale from a well drilled in northeastern Pennsylvania were used to study diagenetic effects on the mineral and organic matter and their impact on petrophysical response. We analyzed an interval of high gamma ray and anomalously low electrical resistivity from a high thermal maturity (mean maximum vitrinite reflectance > 4%) part of the shale-gas play. A suite of microanalytical techniques was used to study features of the shale down to the nanoscale and assess the level of thermal alteration of the mineral and organic phases. The samples are organic rich, with total organic carbon contents of 3-7 wt. %; the vast majority of the organic matter was identified as highly porous pyrobitumen. Matrix porosity is also present, especially within the clay aggregates and at the interface between rigid clasts and clay minerals. Mineral- and organic-based thermal maturity indices suggest that during burial the sediment had been exposed to temperatures as high as 285 degrees C (545 degrees F). Under these conditions, the residual, migrated organic matter assumed a partially crystalline habit as confirmed by the identification of turbostratic structures via electron microscopy imaging. Experimental dielectric measurements on organic matter-rich samples confirm that the anomalous electrical properties observed in the wire-line logs can be ascribed to the presence of an electrically conductive interconnected network of partially graphitized organic matter. The preservation of porosity suggests that this organic network can contribute not only to the electrical properties but also to the gas flow properties within the Marcellus Shale. |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000450170900007 |
WOS关键词 | THERMAL MATURITY ; CARBONACEOUS MATERIAL ; RAMAN-SPECTROSCOPY ; APPALACHIAN BASIN ; METAMORPHIC ROCKS ; BARNETT SHALE ; RICH SHALES ; MUDSTONES ; POROSITY ; GAS |
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/24528 |
专题 | 地球科学 |
作者单位 | 1.CSIRO Energy, 26 Dick Perry Ave, Kensington, WA 6151, Australia; 2.Curtin Univ, John De Laeter Ctr, Perth, WA 6102, Australia; 3.Curtin Univ, Dept Phys & Astron, Perth, WA 6102, Australia; 4.Univ Western Australia, Microscopy Characterisat & Anal, Perth, WA 6009, Australia; 5.CSIRO Energy, 11 Julius Ave, N Ryde, NSW 2113, Australia; 6.CSIRO Land & Water, Waite Rd, Urrbrae, SA 5064, Australia |
推荐引用方式 GB/T 7714 | Delle Piane, Claudio,Bourdet, Julien,Josh, Matthew,et al. Organic matter network in post-mature Marcellus Shale: Effects on petrophysical properties[J]. AAPG BULLETIN,2018,102(11):2305-2332. |
APA | Delle Piane, Claudio.,Bourdet, Julien.,Josh, Matthew.,Ben Clennell, M..,Rickard, William D. A..,...&Raven, Mark D..(2018).Organic matter network in post-mature Marcellus Shale: Effects on petrophysical properties.AAPG BULLETIN,102(11),2305-2332. |
MLA | Delle Piane, Claudio,et al."Organic matter network in post-mature Marcellus Shale: Effects on petrophysical properties".AAPG BULLETIN 102.11(2018):2305-2332. |
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