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  1. Shale gas exploration has no significant effect on the environment

    ... expanded on project delivery: " - In recent years, the mass media have speculated about potential environmental effects of ... imprints on the landscape. Seismic shocks induced by rock mass breaking as a result of fracture stimulation operations were not ...

    Aktualność - 05/01/2015 - 15:31

  2. Exploration methods – geophysical well logging

    ... full lithostratigraphic profile of the well, sedimentary rock depositional environment, the oil-water contact, percentage share of ... parameters of shale rocks; stress field in the rock mass. The logs of a shale rich in organic matter display a higher ...

    Artykuł - 10/23/2014 - 13:21

  3. Stimulation of oil and gas production

    ... (fitting pipes of different diameters), brisance (rock shattering capacity), resistance to the action of hydrocarbons and ... the point of perforation, rather than a compacted rock mass that prevents the flow of hydrocarbons. Moreover, the range of these ...

    Artykuł - 12/11/2014 - 19:38

  4. Potential environmental impacts at each stage of works

    ... injected fluid induces a network of small fractures in the rock and the proppant (well sorted sand or ceramic granules) prevents fracture ... may happen in the event of uncontrolled reaction of the rock mass, for example fluid escape routes formed in wide-area dislocation zones. ...

    Artykuł - 10/16/2014 - 16:50

  5. Waste management - part 2

    ... conditions of the well, chemical reactions between the rock and fluids used, total time of fluid presence in the rock mass. In addition to substances used for fracturing fluid preparation, ...

    Artykuł - 10/16/2014 - 15:57

  6. 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 ... (VVAz) analysis enable an assessment of stresses in the rock mass and their orientation. Significant measured changes in the recorded 3D ...

    Artykuł - 10/23/2014 - 17:38

  7. Waste management – part 1

    ... factors: well depth and construction, type of rock being drilled, drilling technology, mud type and mud management ... and fluids, total time of fluid presence in the rock mass, flowback water volume, approach to flowback water treatment, ...

    Artykuł - 10/16/2014 - 15:18

  8. Environmental risk management

    ... – for observation of the effects of production-induced rock mass decompression site reclamation – to control effectiveness of the ...

    Artykuł - 10/16/2014 - 15:55