This article first appeared as a “State-of-the-Art Summary” column in the Network News (September 2001) of the Petroleum Technology Transfer Council. Edited and abridged for TLE. Reproduced with permission.

Much has been written about the improvements in productivity in the exploration and production industry during the past decade. High profile technologies like 3-D seismic and directional drilling, as well as many less dramatic but significant changes, have received a lot of the credit for gains in the efficiency of locating and producing oil and gas. Coupled with the increase in M&A activity and the accompanying cycles of downsizing, few...

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