Table 4. Composition and gas volumes measured from samples of gas hydrate that were dissociated within a sealed dissociation chamber or gas bags.																

"Core, section"	Total gas volume (cm3)	Total water volume (cm3)	Gas/water ratio (mL/L)	C1 (%)	CO2 (%)	H2S (ppmv)	C2 (ppmv)	C3 (ppmv)	iC4 (ppmv)	nC4 (ppmv)	iC5 (ppmv)	nC5 (ppmv)	iC6 (ppmv)	nC6 (ppmv)	C1/C2	 Cl- (mM)

164-996A-																
1H-1	NA	NA	NA	99.31	0.43	1530	1010	12	1.2	0.7	1.2	0.4			984	 NA
8H-4	NA	NA	NA	99.92	0	NA	772	0.5	NA	NA	NA	NA 	NA	NA	1295	 NA
9H-CC	NA	NA	NA	99.92	0	NA	754	6.8	1.7	0.7	1.7	 NA	0.1	NA 	1325	 NA

164-996B-																
1H-1	346.7	6.5	53	99.3	0.56	390	969	11.9	2.5	0.6	2.7	0.5	0.5	0.3	1025	169
1H-1	182.5	9.1	20	99.41	0.51	90	753	8.9	1.7	0.4	2	0.4	0.2	0.4	1320	248

164-996C-																
1H -1	195.4	3.3	65	99.46	0.43	348	719	7.3	1.6	0.5	1.1	0.4	NA	NA 	1383	294
1H -1	369.2	4.8	78	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	NA	245
"1H-2, 0-1 cm"	61.2	1.9	32	99.83	0	NA	857	15.8	4.3	0.9	3.1	0.8	0.4	0.4	1166	352

164-996D-																
5X-1	235.6	3.5	67	99.66	0.27	NA	747	18.3	3.2	0.8	3.9	0.7	0.3	0.3	1334	317
6H-1	NA	NA	NA	99.6	0.33	40	744	10.9	2.4	0.6	3.2	0.6	0.2	0.3	1338	 NA

164-996E-																
6H-5	NA	NA	NA	99.6	0.33	NA	744	10.9	2.4	0.6	3.2	0.6	0.2	 NA	1338	 NA
7H-CC	907.8	6.4	143	99.7	0.23	NA	719	6.9	1.6	0.4	1.8	0.5	0.2	 NA	1387	21

Notes: Gas compositions are normalized to 100%. Oxygen and nitrogen were detected but eliminated from this calculation because they are considered contaminants. NA = not analyzed.