The coal and coalbed methane (CBM) resources are abundant in western Guizhou and
eastern Yunnan, South China. However, commercial CBM production in this region has not …

A proof-of-concept spectroscopic method for crude and heavy fuel oil asphaltenes was
developed to complement existing methods for source determination of oil spills. Current …

Xianfeng lignite (XL) was sequentially extracted under ultrasonication at room temperature
with petroleum ether, carbon disulfide (CDS), methanol, acetone, and isometric …

Coalbed methane (CBM) resources are abundant in the Southern Junggar Basin in NW
China, encompassing a total volume of 3.54× 10 12 m 3. However, the gas sorption and flow …

Hopanes and steranes are the two of the most commonly used biomarker classes in the
application of organic geochemistry to petroleum exploration. The same carbon skeletons …

Ruthenium ion-catalyzed oxidation (RICO) is an oxidative degradation approach for the
structural investigation of petroleum fractions. It is based on the selective oxidation and near …

Pentacyclic triterpenoids, particularly hopanoids, are organism-specific compounds and are
generally considered as useful biomarkers that allow fingerprinting and classification of …

Samples of three high volatile bituminous coals were subjected to parallel sets of extractions
involving solvents dichloromethane (DCM), carbon disulfide (CS 2), and supercritical carbon …

In order to accurately assess the thermal maturity of highly/over-mature shales in Paleozoic
strata in southern China, hydrothermal experiments of shale samples from the Dalong …

Abstract Microscale Sealed Vessel pyrolysis (MSSV) is a microanalytical technique
originally developed for artificially maturing sedimentary organic matter and examining the …