SAN DIEGO, California — Royale Energy has started drilling the first well under its joint venture agreement covering Rio Vista field in the Sacramento basin. Discovered in 1936, Rio Vista is the largest natural gas field in California.
‘The field has produced over 3.5 Tcf of natural gas. Using 3D seismic, Royale and its partners have identified several prospective locations in the Martinez and Capay formations. The Royale CRC 8-1 will target the Martinez sand at a depth of approximately 6,000 ft. The company expects to reach total depth by mid-September.’