Paper: Automation History Of The Willard Unit CO2 Project A Case Study

ARC0 Oil and Gas Company's Willard Unit is located in the Wasson San Andres Field, Yoakum County, Texas. Waterflood operations began in 1965 with tertiary (alternating water-CO21 operations beginning in January, 1986 in the southern part of the unit. There are currently 335 producers, 270 injectors, 13 test stations, one central battery, and two water injection plants. Automation was installed first in 1973 and has progressed in three primary steps. This paper highlights that progression by discussing its utilization and results.