Operator Summary Operator Name: Southwestern Development Co Production Dates on File: No Production Data Available 1 Total Leases 1 Total Wells
Leases Associated With Southwestern Development Co Production Based on September 2025 Data Lease # Lease Name Location # 382319 RUSINA RANCH-613S67W 24NENE El Paso County
Wells Associated With Southwestern Development Co Production Based on September 2025 Data API # Well Name Location Status # 05-041-05039 RUSINA RANCH 1 El Paso County Plugged and Abandoned
Other Colorado Operators List Alphabetically Southern Union Production Co Southern Ute Indian Tribe Southland Royalty Company Southwest Arkansas Co Inc Southwest Drilling Inc Southwest Gas Producing Co,Inc Southwest Petroleum Corp Southwestern Energy Prod Co Southwestern Exploraation Company Southwestern Production Corp Sovereign Energy LLC Sovereign Oil Co Sovereign Operating Company LLC Spahn* Ben J Spatter* Nick
Other Colorado Operators List Alphabetically Southern Union Production Co Southern Ute Indian Tribe Southland Royalty Company Southwest Arkansas Co Inc Southwest Drilling Inc Southwest Gas Producing Co,Inc Southwest Petroleum Corp Southwestern Energy Prod Co Southwestern Exploraation Company Southwestern Production Corp Sovereign Energy LLC Sovereign Oil Co Sovereign Operating Company LLC Spahn* Ben J Spatter* Nick