Oil and gas deposits always (well as far as I know) have three things in common. A permeable rock like sandstone to store it, a hard rock to prevent it from escaping and a source.The Russian oil induistry has drilled in other geological regimes and found oil, hence their belief in the abiotic theory.
>> Oil and gas deposits always (well as far as I know) have three things in common. A permeable rock like sandstone to store it, a hard rock to prevent it from escaping and a source.
I’m not arguing, because this isn’t an area where I claim great knowledge - but I would appreciate any reference or link you had on that since it is not something I have read about.