Producing too fast will make us produce the gases at the top sooner than we want to and we dont want that.

Example of gas reservoirs. Places where fluids collect are called reservoirs. The paper closes with examples of detailed original gas-in-place OGIP calculations for 3 North American shale gas reservoirs including free gas in natural fractures and the porous network within the organic matter gas in the non-organic matter adsorbed gas and estimates of free gas within fractures created during hydraulic fracturing jobs. The reservoir has a large effective thickness more than 10 m.

That is oil reservoirs with a gas cap. The Permo-Triassic Khuff formation holds the worlds largest known natural gas reserves. Reservoirs can be natural or artificial human-made.

Although the porosity and permeability are poor shale silt stone limestone can even act as reservoir due to fractures in the rock body secondary porosity secondary permeability. TIGHT GAS EXAMPLE This example shows a tight gas sand in the Montney play that behaves like a normal sandstone as far as log analysis is concerned. In volumetric dry- and wet-gas reservoirs p z vs.

The gamma ray is quite high due to uranium but the XRD bulk clay is low 000 to 010 fractional 0 to 10 by weight. The deposit of the coast of Tamaulipas in Mexico. 1.

The Elmworth well has a higher methane concentration which has shifted the phase envelope to the left and ensures that the reservoir conditions will likely never enter the two. Réservoirs soit directement par les sociétés exploitantes soit à travers des organismes professionnels. Carbonate reservoirs which are typically dual or triple porosity systems produce a major portion of the worlds oil and gas and hold more than half of the worlds largest crude oil and natural gas reserves.

Throughout the reservoirs depletion one expects that the northwest well will experience liquid dropout. A petroleum reservoir or oil and gas reservoir is a subsurface pool of hydrocarbons contained in porous or fractured rock formations. In this regime reservoir drive energy is provided only by the bulk expansion of.