Bochnia

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Bochnia

Coordinates

Location

Małopolskie province:

• Kraków county, communes: Skawina (participation in the concession block 1.7%), Mogilany (11.50%), Świątniki Górne (4.85%)
  
  
• Kraków city county: commune: Kraków (6,13%)
  
  
• Wieliczka county, communes: Wieliczka (23.53%), Niepołomice (5.57%), Kłaj (13.88%), Biskupice (15.53%), Gdów (9.36%)
  
  
• Bochnia county: commune: Bochnia (5.53%), Bochnia (city) (2.41%)

Duration

concession for 10 years, including:

• prospecting and exploration phase (5 years)
  
  
• extracting phase - after the investment decision

Participation

Winner of the tender (an entity or a consortium) 100%

Structural stage

Orogen Karpacki, platforma zachodnioeuropejska

Petroleum play

I – Palaeozoic–Mesozoic of the Carpathian basement

II – flysch of the Carpathian nappes

III – Carpathian Foredeep

Source rocks

I – Lower Carboniferous clastic and carbonate rocks, Upper Carboniferous clastic rocks, Middle Jurassic mudstones and claystones

II – Lower Cretaceous Cieszyn Beds, Wierzowice Beds, Grodziszcze Beds, Lgota Beds, Oligocene Menilite shales of all nappe units

III – Carpathian Foredeep fine-grained rocks

Reservoir rocks

I – Cambrian sandstones, Lower Devonian limestones and dolomites, Upper Devonian limestones and dolomites, Upper Jurassic limestones, Cenomanian Sandstones

II – flysch of the Silesian Unit: Grodziszcze Beds, Wierzowice Beds, Lgota Beds, sandstones of Ciężkowice, Menilite and Krosno bedsflysch of the Sub-Silesian Unit: Wierzowice and Lgota beds

III – clastic rocks of the autochthonous Miocene (sand and sandstones of the Upper Badenian and Lower Sarmatian)

Seal rocks

I – evaporites and fine-grained deposits of the autochthonous Miocene of the Carpathian Foredeep

II – fine-grained flysch deposits

III – fine-grained flysch deposits and fine-grained deposits of the autochthonous Miocene of the Carpathian Foredeep

Thickness of overburden

I – 500–1,000 m

II – 0–100 m

III – 100–500 m

Trap type

I – structural, stratigraphic

II – structural, structural-lithological, lithological

III – structural, compactional anticlines

The proposed minimum work program of prospecting and exploration phase

Stage I (12 months) – reprocessing and reinterpretation of archival seismic 2D data

Stage II (12 months) – acquisition 50 km2 of new 3D seismic survey or 50 km of 2D survey

Stage III (24 months) – drilling of one exploration well to the minimal depth of 1,100 m (TVD) and maximal depth of 4,500 m with obligatory coring of perspective intervals and full set of geophysical data allowing to interpret lithology, saturation and petrophysical properties as well as to ensure safety during the drilling process. In the case of discovery – performance of production tests and determination of exploitation parameters

Stage IV (12 months) – analysis of obtained data