Although pore-pressure prediction has its roots in work of Terhazhi that dates back to the 1930s, it wasn't until the 1960s that pore-pressure prediction became a serious pursuit in the oil industry. Hottman and Johnson and (a little later) Pennebaker published papers that started the involvement of geoscientists in pore-pressure prediction. Tergazhi was a soil scientist. Hottman and Johnson were petrophysicists, and Pennebaker was a drilling engineer.

This variety of backgrounds is typical of the range of disciplines involved with modern pore-pressure prediction. Add seismic stratigraphy, drilling engineering, mechanical engineering, and basin history analysis, and you start to get an...

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