Natural gas

NATURAL GAS

YATEC produces and treats natural gas to meet the requirements of
STO 00153815-001-2020 (with Rev. 1) “Natural Combustible Gas. Specifications”, supplied to lines I, II of Kysyl-Syr - Mastakh - Berge - Yakutsk main pipelines of Sakhatransneftegaz JSC. Natural combustible gas meets the following requirements:

Parameter	Values		Test method
	Period:
	с 01.05 to 30.09 с 01.10 to 30.04
Mole fraction of components (compositional breakdown), %	not rated, testing is mandatory		GOST 31371.7
Mole fraction of oxygen (%),	max. 0.02	max. 0.02	GOST 31371.7
Mole fraction of carbon dioxide (%),	max. 2.5	max. 2.5	GOST 31371.7
Mass concentration of hydrogen sulphide (g/m3),	max. 0.007	max. 0.007	GOST R 53367
Mass concentration of mercaptan sulphur (g/m3),	max 0.016	max 0.016	GOST R 53367
Mass concentration of total sulphur (g/m3),	max 0.030	max 0.030	GOST R 53367
Net volumetric calorific value (MJ/m3 (kcal/m3)),	not less than 31.80 (7600)	not less than 31.80 (7600)	GOST 31369
Density under standard conditions (kg/m3)	not rated, testing is mandatory		GOST 31369
Water dewpoint of gas (°С),	max. -15	max. -20	GOST 20060 or GOST R 53763
Density under standard conditions (kg/m3)	-5	-10	GOST R 53762
Mass concentration of solid impurities (g/m3),	max 0.001	max 0.001	GOST 22387.4