Lithological controls on matrix permeability of organic-rich shales: An experimental study

被引：32
|
作者：
Ghanizadeh, A. [1 ]
Gasparik, M. [1 ]
Amann-Hildenbrand, A. [1 ]
Gensterblum, Y. [1 ]
Krooss, B. M. [1 ]
机构：
[1] Rhein Westfal TH Aachen, Inst Geol & Geochem Petr & Coal, D-52056 Aachen, Germany
来源：
EUROPEAN GEOSCIENCES UNION GENERAL ASSEMBLY 2013, EGUDIVISION ENERGY, RESOURCES & THE ENVIRONMENT, ERE | 2013年 / 40卷
关键词：
Shale gas; Posidonia Shale; Scandinavian Alum Shale; Chokier Formation; Permeability; Porosity; Mineralogy; TOC content; Maturity; GAS; EVOLUTION; GERMANY; COAL;
D O I：
10.1016/j.egypro.2013.08.016
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
This manuscript discusses the influence of lithological factors on matrix permeability of organic-rich shales, differing in porosity (3.0-16.6%), mineralogy, TOC content (1.8-14.2%) and maturity (0.5-2.4% VR.r). The lowest porosity and permeability coefficients were measured at intermediate maturity levels (0.88-1.01% VRr). Gas (fie) penueability coefficients increased with porosity (3.0-166%) ranging between 4.10(-22) and 9.7.10(-17) m(2). Permeability coefficients (He, CH4) measured parallel to bedding were more than one order of magnitude higher than those measured perpendicular to bedding. Permeability coefficients measured with helium were consistently, up to two times, higher than those measured with argon and methane under similar experimental conditions. (C) 2013 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：127 / 136
页数：10
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