Estimation of Generated and Retained Gas Volume of the Besa River Formation in Liard Basin through 3-Dimensional Static Geochemical Modeling

Table 1

Range of measured parameters by Rock-Eval analysis in the four boreholes.

Well name	S1 (mgHC/gRock)	S2 (mgHC/gRock)	S3 (mgCO2/gRock)	Tmax (°C)	HI (mgHC/gTOC)	OI (mgCO2/gTOC)	TOCpd (wt%)
A-038-B/094-N-08	0.1-4.24	0.18-2.53	0.04-0.79	303-363	3-36	1-18	1.63-13.22
A-068-D/094-O-05	0.14-5.52	0.08-2.73	0.02-0.6	289-356	3-48	1-43	0.89-16.75
B-023-K/094-O-05	0.08-4.56	0.12-1.99	0-0.4	292-610	4-39	0-17	1.85-6.26
B-D003-K/094-O-12	0.1-7.94	0.07-2.71	0.02-0.4	293-354	3-41	1-11	0.87-12.05

Abbreviation: S1: the amount of free hydrocarbons; S2: the amount of generated hydrocarbons by thermal cracking; S3: the amount of generated CO₂ by thermal cracking of kerogen; HI: hydrogen index; OI: oxygen index; TOCpd: present-day total organic carbon.