oil, natural gas, petroleum, condensate, gas, carbonates, shale, deepwater, minerals, methane, neocomian, zechstein, subsalt, sulfur, biogenic, subsurface, oilfields, bitumen, kerogen, dolomites, gasfield, hydrogen sulphide, crude oil, clastic, ethane, wells, turaco, mercaptans, diatomite, petrochemicals, mineral extraction, mineral resources, isoprene, prospection, peridotite, drilling, sulfide, uranium, pentane, subsoil, carbon dioxide, claystone, wellhead, sediments, calcium sulphate, porosity, carbons, butanes, barite, sulphide, seabed, hydrates, sylvite, diamondiferous, ores, oligocene, exploration, pannonian, sands, spodumene, dehydrogenation, asphalts, eudialyte, calcic, carnallite, basins, paleogene, droshky, ethene, hydrogen, caspian sea, desorption, alkene, carbonic acid, onshore, oil shale, volund, liquification, timimoun, depositional, petrobras, formate, ilmenite, feedstock, isobutylene, drillers, brines, phyllosilicate, arenite, fractional distillation, volatiles, lavas, manganese, unitization, pyrochlore, apatite, cyanides, palaeocene, pollutants, permeabilities, water vapor, fossil fuel, hydrocarbon, aldehydes, alkanes, aromatics, organics, alkenes, ketones, paraffins, phenols, alcohols, olefins, pahs, amines, compounds, aliphatic, polymers, amides, monomers, chlorides, esters

ader wax, alcohol, alkyl, alkyl group, alkyl radical, asphalt, bitumen, bituminous coal, butene, butylene, cracking, crude, crude oil, dioxin, earth wax, fossil oil, gas, gasolene, gasoline, mineral jelly, mineral pitch, mineral wax, organic, ozocerite, ozokerite, petrol, petrolatum, petroleum, petroleum jelly, reformer, rock oil, soft coal