Callan JMB unit to buy Williston Basin oil assets for $12.5M Aug 27, 2026 08:15AM
Callan Power to Acquire Williston Basin Non-Operated Oil and Gas Assets with $48 Million Proved PV-10 and $83 Million 3P PV-10 from The Pfanenstiel Company, Significantly Expanding Energy Assets Aug 27, 2026 08:15AM