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  1. Thermal maturity of organic matter

    ... Crude oil and natural gas are formed in source rocks which contain a required quantity of organic matter . Shale rock is the best example of a source rock. In order for crude oil, biogenic or ...

    Artykuł - 12/11/2014 - 19:22

  2. Petrophysical properties of shale rocks

    ... Shales form a particular petroleum system wherein the same rock formation is simultaneously source, reservoir rock, sealing rock and the trap, while gas migration occurs ...

    Artykuł - 10/21/2014 - 16:04

  3. Investigation of organic matter in shales

    ... black shales Since shale rocks may be simultaneously source rock and  reservoir rock for the hydrocarbons, it is important to ...

    Artykuł - 12/11/2014 - 19:21

  4. Thermal maturity of organic matter and gas exploration

    ... stages of exploration. Based on thermal maturity values, source rocks are categorized as thermally immature, mature or post-mature ... Carpathian Foredeep (Southeastern Poland). As the source rock is buried, for example under an increasingly thicker overburden, the ...

    Artykuł - 12/11/2014 - 14:12

  5. Mineralogy of shale rocks

    ... and petrography of Ordovician and Silurian shales Source and reservoir rocks of unconventional gas accumulations, commonly called ... and claystones. Mudstone is a clastic sedimentary rock built of cemented mud. Claystone is a sedimentary rock in the form of ...

    Artykuł - 10/21/2014 - 11:23

  6. Exploration methods – geophysical well logging

    ... full lithostratigraphic profile of the well, sedimentary rock depositional environment, the oil-water contact, percentage share of ... of atoms that build the rock. The neutrons are emitted by a source encapsulated in the tool. As a result of interaction with neutrons, each ...

    Artykuł - 10/23/2014 - 13:21

  7. Shale oil formation: catagenesis

    ... and pressures increase with depth, kerogen contained in the rock becomes unstable and enters the stage of transformation. Thermal ... these thermal and catalytic reactions. With increasing source rock burial depth, the oil generated as a result of categenesis ...

    Artykuł - 10/16/2014 - 16:13

  8. Natural gas in general and shale gas in particular

    ... Natural gas is a key source of energy in Poland. Our conventional gas resources are insufficient to ... sedimentary rocks. Black shales – the source rock of natural gas – formed in ancient seas of Ordovician and Silurian ...

    Artykuł - 10/20/2014 - 15:23

  9. [3] Migration or the origin of conventional reservoirs

    ... overlying rocks, the light liquid oil is squeezed out of its source rock in which it was formed. Subsequently, the oil penetrates into  ...

    Artykuł - 09/23/2014 - 22:31

  10. Hydraulic Fracturing Recipe

    ... used ingredients are listed in the following table: Source: Current shale gas production in the U.S., Groundwater Conservation ... perforation). As soon as direct access to the shale rock is established, the borehole and the induced fractures must be cleared of ...

    Artykuł - 10/18/2014 - 19:17