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...rm/event/info?reset=1&id=1235 Hydrocarbon migration: What we know, what we don't know and why it is important]. Houston Geological Society abstract, Oct.

==Example: Don field== ...:evaluating-top-and-fault-seal_fig10-31.png|300px|thumb|{{figure number|2}}Don Field, North Sea. After Hardman & Booth.<ref name=ch10r36 /> Copyright: Geo

...tting for discussion and allows the application of new concepts. The rocks don't change; what changes is the way we view them. ...servations can be discussed and new doors opened to collaboration. Offices don't provide the same opportunity. Most of us like fieldwork; it's why we ente

Don't forget about using other attributes. It is not uncommon for there to be s

...hat flies over the interest zone. Sedimentary formations with hydrocarbons don't manifest [[magnetics]] properties.

...ven be somewhat larger than normal. This case also applies to shale, so we don't have to wait for a mud kick from a permeable zone to anticipate significa

We don't really know how high the pore pressure must be to induce [[Fracture|fract

...iple [[Hydrocarbon migration|migration]] pathways. Perfect seals—ones that don't leak at all—rarely occur. Pressure minimums are a perfect seal. When al

...mber|1}}Surface projection of well course for a nominally vertical well. © Don Clarke, Dept. of OH Properties, City of Long Beach, CA).