sedimentary rock

hydrocarbon, oil shale, drillers, fracking, natural gas, kerogen, coal seam, diatomite, oil, exploration, bitumen, niobrara, deepwater, coal, gas, sands, waterflood, neocomian, clastic, geothermal, depositional, wells, geological, subsalt, mineral, sedimentary rock, oilfield, potash, geomechanics, microseismic, cretaceous, basins, bituminous coal, unitization, acreage, mining, lignite, ostracod, extraction, uranium, geologists, overthrust, soda ash, vanadium, droshky, evaporite, zechstein, onshore, extractive, dolomites, sandstone, turonian, brine, placer mining, beaufort sea, pyrolysis, subsurface, glauconite, prospectors, gasfield, molybdenum, anwr, paleogene, drillings, pannonian, permeabilities, oilwell, upper carboniferous, claystone, peridotite, cuadrilla, mineral extraction, devonian, condensate, carbonates, ricinus, lithium, economic geology, oligocene, teapot dome, barite, trona, anticlines, liquids, methane, metamorphic rock, moly, anticline, drilling rig, graben, reservoirs, carnallite, limestones, leasehold, petroleum, oilmen, anthracite coal, porosities, miocene, phyllosilicate, bentonite, wildcatter, shales, mudstone, siltstone, marl, siltstones, limestone, marls, mudstones, quartzite, dolomite, sandstones, tuff, chert, argillite, chalk, schist, fossiliferous, ore, shaly, conglomeratic, lacustrine, metalliferous, sedimentary, anthracite, deltaic, unfossiliferous, alluvial, arenaceous, dolomitic, mesozoic, pennsylvanian, triassic, jurassic

oil shale

argillite, eriogonum allenii, humic shale, oil-bearing, oil shale, shale oil, umbrella plant