• Geology:
    Environmental Issues in the Oilfield, on behalf of the Gas Research Institute:
  1. Ortiz, I., Anthony, R.V., Oddo, J.E., and Pope, D.H., "Study of Mechanisms for Naturally Occurring Radioactive Materials (NORM) and Souring in Gas Production Facilities in the Antrim Shale of the Michigan Basin", Society of Petroleum Engineers, 1993 Eastern Regional Conference and Exhibition, November 1993; Proceedings of the Society of Petroleum Engineers International Symposium on Oilfield Chemistry, New Orleans, LA, March 1993; Society of Petroleum Engineers Michigan Section, Environmental Issues in the Oilfield Symposium, March 1992.

  2. Ortiz, I., Weller, T.F., Anthony, R.V., Frank, J.R., Linz, D., and Nakles, D., "Disposal of Produced Waters:  Underground Injection Option in the Black Warrior Basin", 1993 American Association of Petroleum Geologists (AAPG) Eastern Section Meeting, Williamsburg, VA, Sept. 1993; 1993 International Coalbed Methane Symposium, Birmingham, AL, May 1993; UIPRF/USDOE Proceedings of the Class II Injection Well Management and Practices Symposium, Houston, TX, November 1992; International Produced Waters Symposium, San Diego, CA, February 1992.

  3. Ortiz, I., Weller, T.F., Anthony, R.V., Frank, J.R., Linz, D., and Nakles, D., "Disposal of Produced Waters - Underground Injection Option in the San Juan Basin", 1993 American Association of Petroleum Geologists (AAPG) Eastern Section Meeting, Williamsburg, VA, Sept. 1993.

  4. Ortiz, I., Anthony, R.V., and Pope, D.H., "Determination of Arsenic Methylation Mechanisms in the Abo Sands, Chaves County, New Mexico", June, 1992.