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Shale Gas - an overview | ScienceDirect Topics

Shale gas reservoirs are fine-grained and rich in organic carbon content that signifies large gas reserves [1]. There are disparities in lithology in gas shales which point toward the fact that natural gas is stored in the reservoir in a broad array of lithology and textures such as nonfissile shale, siltstone, and fine-grained sandstone (not only shale).

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Mexico's shale-rich Burgos Basin opens to private ...

The Burgos Basin is the southern extension of Texas' Western Gulf Basin, which encompasses the Eagle Ford shale play. PEMEX initiated exploration activities in the Burgos Basin in 1942 and it has discovered some 227 fields, mostly rich in natural gas. The basin currently has more than 3,500 active natural gas wells in non-shale formations.

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Shale gas by country - Wikipedia

Shale gas is natural gas produced from shale, a type of sedimentary rock. Shale gas has become an increasingly important source of natural gas in the United States over the past decade, and interest has spread to potential gas shales in Canada, Europe, Asia, and Australia. One analyst expects shale gas to supply as much as half the natural gas production in North America by 2020. In a 2013 report, the US .

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Shale-gas resource systems - AAPG Wiki

A shale resource system is described as a continuous organic-rich source rock(s) that may be both a source and a reservoir rock for the production of petroleum (oil and gas) or may charge and seal petroleum in juxtaposed, continuous organic-lean interval(s).

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Unconventional Gas Resources: Shale Gas & Coalbed Methane ...

Jan 29, 2016 · Shale Gas – Shale Gas Formation Shales are fine-grained sedimentary rocks formed of organic-rich mud at the bottom of ancient seas. Subsequent sedimentation and the resultant heat and pressure transformed the mud into shale and also produced natural gas .

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Shale Gas 101 | Department of Energy

Natural gas production from "shale" formations (fine-grained sedimentary rocks with relatively low permeability that can be rich sources of petroleum and natural gas) is one of the most rapidly-growing trends in U.S. domestic energy exploration and production.

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rich gas - Schlumberger Oilfield Glossary

Natural gas containing heavier hydrocarbons than a lean gas. Its liquid content adds important economic value to developments containing this type of fluid. Its liquid content adds important economic value to developments containing this type of fluid.

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Shale gas | Britannica

Shale gas resources around the world. Many natural gas industry officials and outside observers have suggested that shale gas might be a "game changer" in the global economy, altering the traditional division of the world between energy-rich supplier countries and energy-poor consumer countries.

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Shale Gas and Other Unconventional Sources of Natural Gas

Shale gas. Unlike conventional gas, which resides in highly porous and permeable reservoirs and can be easily tapped by standard vertical wells, shale gas remains trapped in its original source rock, the organic-rich shale that formed from the sedimentary deposition of mud, .

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Shale Gas to Ethylene (G2) - processdesign

Mar 13, 2015 · Acid Gas Removal. The vapor exiting the top of the column is the shale gas without CO2 and comes out the column at 170,000 kg/hr, with a temperature of around 55C and pressure of 6700 kPa. The absorber reduces the CO2 component fraction in the shale gas from 0.66 to 0.04 mol%.

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Methodology of organic-rich shale lithofacies ...

The key to building a 3D shale lithofacies model is to up-scale lithofacies from core-scale to well-scale and finally to regional scale (Figures 1 and 3). The Marcellus Shale, a marine organic-rich shale deposited during Middle Devonian, is used as an example to discuss the details of this methodology.

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Shale Gas: India and Global Scenario by Enterslice

Shale Gas is a promising unconventional resource of energy which ranges from organic-rich to fine-grained rocks. Apart from this, there are ple features of this natural gas which has a whopping demand worldwide.

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Shale Gas & Oil - Halliburton

For shale gas and oil plays, obtaining commercial production rates requires organic-rich shales to be hydraulically fractured, to create a reservoir volume that maximizes contact and connectivity into the shale's natural fracture systems, matrix porosity, and free porosity within the .

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Shale Gas & Oil - Halliburton

For shale gas and oil plays, obtaining commercial production rates requires organic-rich shales to be hydraulically fractured, to create a reservoir volume that maximizes contact and connectivity into the shale's natural fracture systems, matrix porosity, and free porosity within the .

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Pore evolution in hydrocarbon-generation simulation of ...

The free gas was the main component of shale gas (Li and Zhu, 2013), especially when shale buried depth was over 4000 m, content of adsorbed natural gas decreased gradually with increase of temperature and pressure, then the adsorbed natural gas transformed into free gas and eventually became the main component of shale gas (Wang et al., 2013).

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Shale Gas and Other Unconventional Sources of Natural Gas

Shale gas. Unlike conventional gas, which resides in highly porous and permeable reservoirs and can be easily tapped by standard vertical wells, shale gas remains trapped in its original source rock, the organic-rich shale that formed from the sedimentary deposition of mud, silt, clay, and organic matter on the floors of shallow seas.

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What's the difference between natural gas, liquid natural ...

Shale gas: Shale gas is extracted from shale rock using fracking, or hydraulic fracturing, of the rock. Shale rock is very common; the BGS estimates it makes up 35 per cent of the world's surface rocks. It also suggests there are 1,300 trillion cubic feet of shale gas in the north of England.

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JPT Gas Injection Evaluated for EOR in Organic-Rich Shale

In the first paper, a comprehensive experimental evaluation of gas injection for enhanced oil recovery (EOR) in organic-rich shale and, in the second, the effect of fluid transport in organic-rich shale on recovery mechanisms under gas injection.

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Unconventional Gas Resources: Shale Gas & Coalbed Methane ...

Jan 29, 2016 · Shale Gas – Shale Gas Formation Shales are fine-grained sedimentary rocks formed of organic-rich mud at the bottom of ancient seas. Subsequent sedimentation and the resultant heat and pressure transformed the mud into shale and also produced natural gas .

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NGLs Present Opportunity To Create Value In Shales With ...

By Al Pickett, Special Correspondent. "Some shale gas is rich in liquids, but some is dry. It is too early to make generalizations about gas quality or liquids content in these plays," Gist remarks, noting that some of the newest and least developed shales also appear to be some of the most significant in terms of reserves and productivity (i.e.,...

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