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Abstract

Gus Archie stated, in the AAPG Bulletin during 1950, “Petrophysics pertains to the physics of particular rock systems whereas geophysics pertains to the physics of larger rock systems. It is the study of the physical properties of rock which are related to the pore and fluid distributions. These properties pertain to the detection and evaluation of hydrocarbon bearing layers.”

Twelve years later, during an in-house conference at Shell, Bob Sneider said “The depositional environment is the important clue to the distribution and continuity of porosity, permeability, and barriers to fluid flow … even though the sand is altered by diagenesis.”

During 1977 the Senior Technical Editor of the JPT. Joe Richardson, said “Great strides have been made in studies of how the environment of deposition can effect rock character. Conceptual models based on these studies combined with geophysical as well as engineering data from well tests, cores and logs provide the basis for a modern approach to reservoir description.”

As a result of these seminal thoughts, the value of integrating disciplines that focus on the subsurface, namely” geophysics, petrophysics, geology and reservoir engineering, has become more and more apparent over three decades.

Synergy is defined in Webster as “The cooperative actions of discrete agencies so that the total effect is greater than the sum of the effects taken independently.” How does one integrate independent disciplines into a synergistic team?

Max DePree, in Leadership Is An Art provides a clue: “The first responsibility of a leader is to define reality. The

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