Sentence examples for shale stratum from inspiring English sources

The Bradford Sands, a series of thick sandstone deposits, form the base of the Lock Haven Formation, and are underlain by the Brallier Formation (locally known as the Elk Formation) and the Trimmers Rock Formation, which are comprised of interbedded sandstone, siltstone, and shale stratum of Upper Devonian age (Carter and Harper 2002).

Composed of horizontal shale strata, the mountain was probably named for Colin Robson (1793 1842), an official of the Hudson's Bay Company.

Gas in shale strata is found to be present as a free gas and adsorbed gas.

Liquid-rich hydrocarbons in shale strata include two kinds of resources, i.e. tight oil and shale oil.

The sand and shale strata are so distinct that they can be significantly correlated across many wells and seismic sections.

China has planned to produce very gas from shale strata; more than 40% is expected by 2040.

Currently, potential tight oil areas are mainly distributed in 137 sets of shale strata in 84 basins, especially South America, North America, Russia, and North Africa.

Producing gas from shale strata has become an increasingly important factor to secure energy over recent years for the considerable volume of natural gas stored.

Analysis on the geological characteristics of the liquid-rich hydrocarbons in the shale strata in North America and China shows the liquid-rich hydrocarbons have two basic features: large-scale continuous distribution and no stable industrial production.

The first issue is investigated by carrying out a sensitivity analysis for lateral flow in the numerical model, incorporating a realistic representation of the distribution of sand and shale strata in the study area.

Although the average permeabilities of the various genetic reservoir units is relatively high, the low permeabilities of the component shale strata usually results in low sweep efficiencies and may form effective flow baffles.