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  | isbn    = 0-89181-602-X

  | isbn    = 0-89181-602-X

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A trap may or may not contain oil or gas. Accumulations, or pools, are traps that contain oil or gas.<ref name=Vincelette>Vincelette et al, What is a trap? 2-5</ref>

A trap may or may not contain oil or gas. Accumulations, or pools, are traps that contain oil or gas.<ref name=Vincelette>Vincelette, R. R., E. A. Beaumont, N. H. Foster, 2000, [http://archives.datapages.com/data/specpubs/beaumont/ch02/ch02.htm What is a trap?], in E. A. Beaumont & N. H. Foster, eds., [http://store.aapg.org/detail.aspx?id=545 Exploring for Oil & Gas Traps: AAPG Treatise of Petroleum Geology, Handbook of Petroleum Geology]. pp 2-5--2-6</ref>

A [[Hydrocarbon_expulsion,_migration,_and_accumulation#Accumulation|hydrocarbon accumulation]] forms when migrating hydrocarbon filaments encounter a zone (the seal), either laterally or vertically, with pore throat sizes smaller than the carrier bed. The seal pore throat breakthrough pressure or the distance to the spill point of the trap, whichever is less, determines the hydrocarbon accumulation column height.<ref name=HartmannBeaumont>Hartmann, D. J., and E. A. Beaumont, Predicting reservoir system quality and performance.</ref>

A [[Hydrocarbon_expulsion,_migration,_and_accumulation#Accumulation|hydrocarbon accumulation]] forms when migrating hydrocarbon filaments encounter a zone (the seal), either laterally or vertically, with pore throat sizes smaller than the carrier bed. The seal pore throat breakthrough pressure or the distance to the spill point of the trap, whichever is less, determines the hydrocarbon accumulation column height.<ref name=HartmannBeaumont>Hartmann, D. J., and E. A. Beaumont, [http://archives.datapages.com/data/specpubs/beaumont/ch09/ch09.htm Predicting reservoir system quality and performance], in E. A. Beaumont & N. H. Foster, eds., [http://store.aapg.org/detail.aspx?id=545 Exploring for Oil & Gas Traps: AAPG Treatise of Petroleum Geology, Handbook of Petroleum Geology]. pp 2-5--2-6</ref>

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