Petroleum Geology

 Graham Blackbourn: Blackbourn Geoconsulting II.3.1 Main elements of the Jurassic hydrocarbon system Jurassic sandstone and siltstone reservoirs are productive within very numerous oil and gas fields in many parts of the West Siberian Basin (WSB). Several fields also produce oil from fractured reservoirs in the highly organic-rich latest Jurassic argillaceous …

Graham Blackbourn: Blackbourn Geoconsulting II.2.1 Palaeozoic In some central and southern parts of the West Siberian Basin (WSB), oil and gas shows are widespread and numerous accumulations have been discovered in weathered and fractured mid and late Palaeozoic rocks below the Jurassic unconformity, especially on structurally high areas adjacent to …