The following is a selection of the 90-plus peer-reviewed publications that Dr. Paul F. Worthington has authored or co-authored. They are grouped according to subject area.

Petrophysics of Problematic Reservoirs

Worthington, P.F. 1985. The evolution of shaly-sand concepts in reservoir evaluation.
The Log Analyst, 26(1), 23-40.
Bust, V.K., Oletu, J.U. & Worthington, P.F. 2011. Challenges for carbonate petrophysics
in petroleum resource estimation. SPE Reservoir Evaluation & Engineering, 14(1),

Worthington, P.F. 2011. The direction of petrophysics: a perspective to 2020.
Petrophysics, 52(4), 261-274.
Worthington, P.F. 2011. The petrophysics of problematic reservoirs. Journal of
Petroleum Technology, 63(12), 88-97.
Majid, A.A. & Worthington, P.F. 2012. Definitive petrophysical evaluation of thin
hydrocarbon reservoir sequences. SPE Reservoir Evaluation & Engineering, 15(5),

Integrated Reservoir Studies

Worthington, P.F. 1991. Reservoir characterization at the mesoscopic scale. In: Lake,
L.W., Carroll, H.B., Jr., & Wesson, T.C. (eds.) Reservoir Characterization II.
Academic Press, San Diego, CA, 123-165.
Worthington, P.F. 2000. Recognition and evaluation of low-resistivity pay. Petroleum
Geoscience, 6(1), 77-92.
Worthington, P.F. 2004. Maximizing the effectiveness of integrated reservoir studies:
practical approaches to improving the process and results.  Journal of Petroleum
Technology, 56(1), 57-62.

Worthington, P.F. 2010. Net Pay: What is it? What does it do? How do we quantify it?
How do we use it? SPE Reservoir Evaluation & Engineering, 13(5), 812-822.
Worthington, P.F. 2010. A road map for the identification and recovery of by-passed pay.
In: Vining, B.A. & Pickering, S.C. (eds.) Petroleum Geology: From Mature Basins to
New Frontiers – Proceedings of the 7th Petroleum Geology Conference. Geological
Society, London, 453-462.

Petroleum Reserves, Unitization and Equity Redetermination

Worthington, P.F. 2007. A road map for improving the technical basis for the estimation
of petroleum reserves. Petroleum Geoscience, 13(4), 291-303.
Worthington, P.F. 2011. Contemporary challenges in unitization and redetermination of
petroleum accumulations. SPE Economics & Management, 3(1), 10-17.
Worthington, P.F. 2011. Optimization of equity redeterminations through fit-for-purpose
evaluation procedures. SPE Economics & Management, 3(4), 226-234.
Worthington, P.F. 2014. An analysis of protocols for the calculation of tract participation.
First Break, 32(11), 61-68.
Worthington, P.F. 2015. Use and misuse of pendulum arbitration in expert
redetermination of tract participation. SPE Economics & Management, 7(1), 29-34.
Worthington, P.F. 2016. Provision for expert determination in the unitization of
straddling petroleum accumulations. Journal of World Energy Law and Business,9(4),