Chain of Custody
Barker C., and Torkelson B.E., (1975), "Gas Absorption on
Crushed Quartz and Basalt," Geochemica et Cosmochimica Acta,
Volume 39, pp. 212-218.
Williams J.A., Dolcater D.L., Torkelson B.E., and Winters, J.C.,
(1988), "Anomalous Concentrations of Specific Alkylaromatic
and Alkylcycloparaffin Components in West Texas and Michigan Crude
Oils," Organic Geochemistry, volume 13, Nos. 1-3, pp. 47-60.
Marzi R., Torkelson B.E., and Olson R.K., (1993), "A Revised
Carbon Preference Index," Organic Geochemistry, volume 20,
No. 8, pp. 1303-1306.
Michels R., Landais P., Torkelson B.E., and Philip R.P., (1995)
"Effects of Confinement and Water Pressure on Oil Generation
During Confined Pyrolysis, Hydrous Pyrolysis, and High Pressure
Hydrous Pyrolysis," submitted for publication Geochemica et
Cosmochimica Acta 59, 1589-1604.
Wigger J.W. and Torkelson B.E. (1997), Petroleum Hydrocarbon Fingerprinting
- Numerical interpretation Development, International Petroleum
Environmental Conference, San Antonio, Texas
Wigger J.W., Beckmann D.D., Torkelson B.E., and Narang A.X., (1998),
Petroleum Hydrocarbon Fingerprinting Quantitative Interpretation:
Development and Case Study for Use in Environmental Forensic Investigations,
API/NGWA, Petroleum Hydrocarbons and Organic Chemicals in Ground
Water: Prevention, Detection, and Remediation, Houston Texas, Nov.
Schmidt G.W., Beckmann D.D., and Torkelson B.E., 1999, Advances
in Correlation and Age Dating of Petroleum Products Released to
Soils and Groundwater, International Petroleum Environmental Conference,
San Antonio, Texas, November 16-18, 1999.
Schmidt G.W., Beckmann D.D., and Torkelson B.E., 2000, Special
Cases Interesting Techniques and Gas Chromatograms from Environmental
Forensic Subsurface Investitgations, International Petroleum Environmental
Conference, Albuquerque, New Mexico, November 7-10, 2000.
Schmidt G.W., Beckmann D.D., and Torkelson B.E., A Technique for
Estimating the Age of Regular/Mid-grad Gasolines Released to the
Subsurface Since the Early 1970s, Environmental Forensics, 2002,
vol. 3, pp. 145-162.
Michels R., Landais P., Philip R.P. and Torkelson B.E., "Effects
of Pressure on Organic Matter Maturation During Confined Pyrolysis
of Woodford Kerogen, " submitted to Energy and Fuels.