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  1. 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 solely in ...

    Artykuł - 10/21/2014 - 16:04

  2. Stimulation of oil and gas production

    ... oil recovery techniques, well stimulation has no effect on reservoir pressure. Well productivity can be stimulated in two ways: ... (fitting pipes of different diameters), brisance (rock shattering capacity), resistance to the action of hydrocarbons and ...

    Artykuł - 12/11/2014 - 19:38

  3. Investigation of organic matter in shales

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

    Artykuł - 12/11/2014 - 19:21

  4. Mechanical properties of shale rocks

    ... are primarily dependent on the mineral composition of the rock. Comparing with conventional reservoir development, more refined geomechanical studies are required for the ...

    Artykuł - 12/11/2014 - 19:18

  5. Waste management - part 2

    ... shale gas exploration wastes are produced at well drilling, reservoir stimulation (hydraulic fracturing) and well abandonment/site ... conditions of the well, chemical reactions between the rock and fluids used, total time of fluid presence in the rock mass. ...

    Artykuł - 10/16/2014 - 15:57

  6. Mineralogy of shale rocks

    ... 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

  7. [3] Migration or the origin of conventional reservoirs

    ... rocks, the light liquid oil is squeezed out of its source rock in which it was formed. Subsequently, the oil penetrates into  ... structure.        Conventional oil reservoir in the centre of an anticlinal structure If a bed of impervious ...

    Artykuł - 09/23/2014 - 22:31

  8. Well stimulation procedures – hydraulic fracturing

    ... under pressure in pores and open fractures of the shale rock (free gas), is dissolved in brine or adsorbed at the surfaces of organic ... are enriched in sand. A majority of tests performed in reservoir formations is focused on investigation of mechanical parameters and ...

    Artykuł - 10/16/2014 - 15:10

  9. Exploration methods – seismic analysis

    ... seismic wave travels deep into the Earth, it is reflected by rock boundaries which display different density and elastic wave propagation ... such as the type and thickness of the rocks, depth to reservoir, presence of faults, etc. Moreover, it helps to assess rock ...

    Artykuł - 10/23/2014 - 17:38

  10. Waste management – part 1

    ... directly associated with drilling operation and subsequent  reservoir tests, i.e. extractive wastes, attributed under Environment ... factors: well depth and construction, type of rock being drilled, drilling technology, mud type and mud management ...

    Artykuł - 10/16/2014 - 15:18