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  1. Potential environmental impacts at each stage of works

    ... are: drilling preliminaries, well drilling, reservoir stimulation (hydraulic fracturing), production preliminaries, ... injected fluid induces a network of small fractures in the rock and the proppant (well sorted sand or ceramic granules) prevents fracture ...

    Artykuł - 10/16/2014 - 16:50

  2. Types of shale gas resources

    ... that stage. They are based on the conclusion that Poland's rock formations are similar to those formations in the USA which contain ... organic matter contents, clay mineral contents, reservoir pressure, are known to a sufficient degree of accuracy, we may ...

    Artykuł - 12/11/2014 - 19:36

  3. Report by WUG: Safety and accident rate in natural gas and crude oil exploration from 2010 to 2014

    ... in non-permeable rocks. Fractures must be induced in the rock in order to release and produce the gas at high flow rates. Fracture ... areas: Lublin Monocline and developed fields with depleted reservoir pressures, very high risk areas: Fore-Sudetic Monocline and ...

    Aktualność - 03/08/2015 - 19:08

  4. GeoShale 2014 International Conference

    ... component of petroleum systems as source, sealing or reservoir rocks. With the advent of improved technology that enabled commercial ... on the contact of fracturing fluid with different shale rock types (Vieth-Hillebrand A., Wilke F.D.H, Erzinger J., Horsfield B.) was ...

    Aktualność - 01/08/2015 - 20:38

  5. Hydraulic Fracturing Recipe

    ... perforation). As soon as direct access to the shale rock is established, the borehole and the induced fractures must be cleared of ... network of fractures. Injection pressure must be higher than reservoir pressure to induce fractures in the rock. At that early stage, ...

    Artykuł - 10/18/2014 - 19:17

  6. Sweet spot characteristics

    ... spots A sweet spot is characterized by: a low reservoir water saturation, a high content of organic matter with abundant ... filled with free natural gas, a high permeability and/or rock fracturability, the presence of natural fractures increasing the ...

    Artykuł - 12/11/2014 - 19:37

  7. Will the Polish Oil and Gas laboratory materialize?

    ... Surface Physics and Chemistry Laboratory (PWr), Reservoir Stimulation Laboratory (INiG), Environmental Technology ... (PWa). The central laboratory would focus on rock and proppant testing, as well as on geomechanical, pressure and other ...

    Aktualność - 01/21/2015 - 22:02

  8. Petroleum – the environment and stages of formation

    ... type of plants and animals living in the water reservoir, nutrient supply source and rates, type of bottom sediments ... A., 2011. Basic Petroleum Geochemistry for Source Rock Evaluation. Oilfield Review Summer 2011, 23, no. 2.   author: ...

    Artykuł - 09/23/2014 - 22:24

  9. 3Legs Resources published results of production tests made in Lublewo LEP-1STH

    ... 1,300 tonnes of proppant were placed in the fractured rock at Łebień-2H Well (wprowadzono do skały jedynie około 1300 ton ... shale gas production. The presented results of reservoir tests made following fracture stimulation in the Lublewo LEP – 1 ...

    Aktualność - 01/08/2015 - 20:49