Complex sentence: Anchor opened an office in Bartlesville in 1905, secured a driller and drilled its first wildcat well, the Holland No.1, where the men struck oil on June 23,1905.
Split into simpler sentences: Anchor opened an office in Bartlesville in 1905, secured a driller and drilled its first wildcat well, the Holland No.1. The men struck oil on June 23,1905.