Page 38 - Fundamentals of Gas Shale Reservoirs
P. 38

Source d  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A  A






                               Pressure  Normal  Normal  Normal  Overpressured  Overpressured  Normal  Normal  Slight.    Overpress.  Slight.    Overpress.  Normal  Normal  Normal  Normal  Normal  Overpressured  Normal  Normal  Normal  Normal


                               PHI  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A  N/A

                               Ro c  1.25  1.05  1.1  1.5  1.25  2  1.5  1.3  1.3  0.9  1.65  1.25  1.45  1.5  2.5  1.25  1.85  1.4  1.15


                             TOC    (avg wt%)  5.6  4.5  1.3  1.1  4  2.2  1.5  1.6  2  2.5  4  3.5  2.5  5.7  3.5  4.5  10  5.8  2.4



                             Clay   content  Medium  Medium  Medium  Medium  Medium  Medium  Medium  Medium  Medium  Low  Medium  Low  Medium  Medium  Medium  Medium  Low  High  Medium


                               thick. (ft)  180  180  320  300  325  400  420  300  240  1000  115  100  158  100  122  75  164  148  125
                             Net
                             Depth   (ft)  13,500  6,600  7,500  12,500  8,000  12,000  10,500  8,500  8,500  7,500  10,824  4,920  12,300  9,840  12,300  6,560  3,280  4,800  13,500


                               Dep. En. b  Marine  Marine  Marine  Marine  Marine  Lacustrine  Lacustrine  Marine  Marine  Marine  Marine  Marine  Marine  Marine  Marine  Marine  Marine  Marine  Marine



                               Basin type a  Passive  Passive  Passive  Back‐arc  Back‐arc  Rift  Rift  Passive  Passive  Rift  Intracratonic  Foreland  Foreland  Rift  Rift  Rift  Passive  Passive  Passive





                               Epoch/age  L. Cretaceous  L. Cretaceous  L. Cretaceous  M. Jurassic  L. Jurassic  L. Jurassic  E. Cretaceous  E. Cretaceous  E. Cretaceous  Devonian  Permian Carb.  U. Jurassic  L. Jurassic  Jurassic  Carb.  Cretaceous  Ordovician  Carb.  Jurassic




                             GIP Conc.   (Bcf/mi 2 )  93  74  106  123  168  149  151  86  72  347  47  27  57  33  54  26  77  48  45 a Basin type at time of deposition. In some cases, this is a close call, for example, the transition from being a passive margin to a foreland basin during collisional events.



                             TRR   (Tcf)  11  7  12  167  240  50  45  84  88  521  76  28  76  7  16  2  147  19  1





                               Shale Fm  La Luna  La Luna  Capacho  Los Molles  Vaca Meurta  Aguada Bandera  Pozo D‐129  L. Inoceramus  Magnas Verdes  San Alfredo  PermianCarbonif­  erous  Terres Noires  Liassic  Posidonia  Namurian  Wealden  Alum  Bowland  Liassic








                               Basin  Maracaibo  Catatumbo    Sub‐  Neuquen  San Jorge  Austral‐   Magallanes  Parana‐Chaco  Paris  South‐East  North    Sea‐German  Scandinavia   Region  N. Pet. System  S. Pet. System  d Letters A, B, and C correspond to the data sources listed in Section 4.1.



                               Country  Venezuala  Colombia  Argentina  Argentina,    Chile  Paraguay,    Brazil,    Argentina,   Bolovia  France  Germany  Scandinavia  United    Kingdom  United    Kingdom  b Depositional Environment. c Vitrinite reflectance (Ro).




                               Region  S. America               W. Europe
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