Dr. Peaceman joined Humble Oil & Refining Co. (reorganized as Exxon Production Research Co. in 1964) in Houston in 1951, working in the areas of numerical solution of partial differential equations and the application of computer to reservoir simulation and seismic data processing. He retired as a senior research advisor in February 1986. From then until 2003, he consulted for J.S. Nolen & Associates, Western Atlas Software, and Landmark Graphics Corporation. He was an adjunct professor of computational and applied mathematics at Rice University beginning in 1983. He was a member of SIAM, Tau Beta Pi, and Sigma Xi. He published a book, Fundamentals of Numerical Reservoir Simulation, Elsevier, 1997 and over 35 articles on reservoir simulation and numerical mathematics. He received the AIME McConnell and Lucas Awards, the SPE Distinguished Member and Reservoir Engineering Awards, was elected to the National Academy of Engineering in 1999 and was an SPE Legion of Honor (50 year plus) Member.
Dr. Peaceman was a founder of modern numerical reservoir simulation, and made many important contributions to numerical analysis and the computational solution of partial differential equations. He is especially remembered for his role in the creation of the Alternating Direction Implicit method, originally applied as an efficient time-step for parabolic evolution problems, but later used for many other purposes including constrained optimization. He is also the author of well models popular in reservoir simulators, known as the Peaceman Correction Model.
In early 2009, CAAM established the Peaceman Lectures on Numerical Mathematics to honor Dr. Peaceman's many contributions to our subject and generous support of our department, and to offer a venue for exceptional young mathematicians. The Peaceman Lectures will continue to showcase "rising stars" in numerical mathematics in the years to come.