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  1. The limited supply of drilling rigs is not expected to affect the shale revolution in Poland

    The quantity of available drilling rigs is not expected to hamper shale gas production. An analysis of ... history shows that today much more gas is produced per well than in the beginning of the shale revolution. Moreover, the experience ...

    Artykuł - 12/09/2014 - 13:09

  2. Well abandonment

    Well abandonment A well should be abandoned if it is no longer ... with a very low productivity are the last to abandon. Drilling well abandonment is subject to applicable regulations that are ... The descriptive section contains information on the well drilling date, existing use of the well, dates of commencement and completion ...

    Artykuł - 10/16/2014 - 15:59

  3. Atmospheric air in the process of shale gas exploration

    ... machinery (e.g. truck-mounted rigs for shot hole drilling, water delivery trucks, recording systems, measuring equipment, etc.). ... on completion of construction works. Drilling stage Well drilling is the next stage. Normally, it takes 3 to 8 weeks to drill a ...

    Artykuł - 10/16/2014 - 15:19

  4. Exploration methods – geophysical well logging

    Geohysical well logging Geophysical well logging (borehole logging,) is a set of ... borehole. Extreme conditions prevail in a majority of drilling wells: rocks that are penetrated several kilometers below the ground ... to approx. 150oC at the depth of 5 km). Moreover, throughout drilling operations the borehole is normally filled with a mix of water and ...

    Artykuł - 10/23/2014 - 13:21

  5. Surface waters and shale gas exploration/production

    ... area involved. All of these aspects must be considered at drilling location selection stage. A review of shale gas exploration stages ... on surface water quality on the following stages: well drilling, reservoir stimulation (e.g. hydraulic fracturing), gas ...

    Artykuł - 10/16/2014 - 15:14

  6. An on-line camera at Wysin- 2H Well

    A shale gas exploratory well – Wysin 2-H – is currently being drilled in Poland by United Oilfield ... well, vertical and horizontal sections combined, is 5450 m). Drilling operations, planned to take 65 days, will be completed by the second ...

    Aktualność - 10/11/2015 - 09:32

  7. Stimulation of oil and gas production

    Well stimulation is commonly applied to boost oil or gas production and, ... initially, production rate is up with the progress of infill drilling, in the second stage, production rate is fairly constant and any ... decreases in the third stage and cannot be offset by drilling more wells. At that point in well history stimulation procedures ...

    Artykuł - 12/11/2014 - 19:38

  8. Noise

    ... an insight into geological structures and choose the best drilling locations. Two methods are applied in sesimic surveying, ... along the seismic line at a close distance to each other, as well as during the travel to and back from the survey location operation of ...

    Artykuł - 10/16/2014 - 15:15

  9. Potential environmental impacts at each stage of works

    ... to another. Shale gas production project stages are: drilling preliminaries, well drilling, reservoir stimulation (hydraulic fracturing), production ...

    Artykuł - 10/16/2014 - 16:50

  10. Shale gas exploration/production and the groundwater

    ... on water requirements and potential contamination risks at drilling and stimulation (hydraulic fracturing) stages. Oil and gas exploration ... production of unconventional hydrocarbons (shale gas), as well as existing available and commonly applied technologies, potential risks ...

    Artykuł - 10/16/2014 - 16:15