shale- a sedimentary rock formed by the deposition of successive layers of clay sedimentary rock- rock formed from consolidated clay sediments humic shale- shale that is rich in humic acids oil shale- shale from which oil can be obtained by heating ...
Shale oil is alsodifferent from "oil shale", which is a type of sedimentary rock that has low permeability and bituminous-like (consisting mainly of hydrocarbons) solids that can be liquefied during the extraction process. That is, oil shale is the sedimentary rock formation containing a type o...
However, the fractures may close after the fluid pressure is withdrawn, especially for the aligned fracture faces as illustrated by Britt et al. (2006). Thus, proppants particles, which usually consist of river sand, are mixed in the fracturing fluid and transported into the fractures to ...
Is shale an igneous rock? Igneous Rocks: All rocks can be sorted into one of three categories: igneous, sedimentary, or metamorphic. Igneous rocks are formed directly from the cooling and solidifying of magma or lava. Answer and Explanation:1 ...
type of rock from which oil is sometimes obtained. Kernerman English Multilingual Dictionary © 2006-2013 K Dictionaries Ltd. Want to thank TFD for its existence?Tell a friend about us, add a link to this page, or visitthe webmaster's page for free fun content. ...
In these gas fields, the oil and gas are held in shales or another rock unit that is impermeable. To produce that oil or gas, special technologies are needed. One is horizontal drilling, in which a vertical well is deviated to horizontal so that it will penetrate a long distance of ...
Shale, any of a group of fine-grained, laminated sedimentary rocks consisting of silt- and clay-sized particles. Shale is the most abundant of the sedimentary rocks, accounting for roughly 70 percent of this rock type in the crust of the Earth. Shales ar
The U.S. is home to the largest deposits of oil shale in the world, most of which can be found between Colorado, Utah, and Wyoming in what is known as the Green River Formation. Other active producers of oil shale include the United States, Russia, Germany, and China. Historically, Es...
China began to produce shale gas in 2012, with the production reaching 250×108 m3 in 2023, about 11% of the total gas production of the country. The distribution of shale gas reservoirs is continuous. According to the fault presence, fault displacement and gas layer thickness, the continuous...
Oil shales typically contain much larger amounts of inert mineral matter (60-90 percent) than coals, which have been defined as containing less than 40 percent mineral matter. The organic matter of oil shale, which is the source of liquid and gaseous hydrocarbons, typically has a higher ...