Maturity estimation for Type II-S kerogen using Raman spectroscopy - A case study from the Najmah and Makhul Formations in Kuwait

被引：11
|
作者：
Al-Hajeri, Mubarak [1 ]
Sauerer, Bastian [2 ]
Furmann, Agnieszka [3 ]
Amer, Aimen [4 ]
Akbar, Hussain [1 ]
Abdallah, Wael [2 ]
机构：
[1] Kuwait Oil Co, Explorat Grp, Ahmadi 61001, Kuwait
[2] Schlumberger Dhahran Carbonate Res Ctr, Schlumberger Middle East SA, Dhahran Techno Valley,POB 39011, Dammam 31942, Saudi Arabia
[3] Schlumberger Reservoir Labs, 6350 West Sam Houston Pkwy North, Houston, TX 77041 USA
[4] Schlumberger Oilfield Serv, POB 9056, East Ahmadi 61001, Kuwait
来源：
INTERNATIONAL JOURNAL OF COAL GEOLOGY | 2020年 / 217卷
关键词：
Maturity; Shale; Raman spectroscopy; Type II-S kerogen; ORGANIC-MATTER; CARBONACEOUS MATERIAL; THERMAL EVOLUTION; SOLID BITUMEN; SOURCE ROCKS; REFLECTANCE; GRAPHITIZATION; MATURATION; VITRINITE; SPECTRA;
D O I：
10.1016/j.coal.2019.103317
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：
Raman spectroscopy is used to estimate thermal maturity of shale samples collected from seven wells in the Najmah Formation in Kuwait, encompassing a range of maturities between 0.80 and 1.40%VRE. The Najmah Formation contains kerogen Type II-S (S/C > 0.04) and therefore, maturity correlations for Type II are not applicable due to differences in organic material structure, kinetics and thermal transformation pathways. A new correlation is proposed for the purpose of thermal maturity estimation in Type II-S kerogens. The presented correlation is able to predict the thermal maturity, based on Raman spectra, with good accuracy when compared to the reflectance-derived thermal maturity values.
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页数：7
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