Yearly and monthly production Big Chief Lease

	T35S R11W, Sec. 6, NE NW SW SW Lease: Big Chief 1 Operator: Chieftain Oil Co., Inc. Current Operator: Chieftain Oil Co., Inc. API Number: 15-007-23616	T35S R11W, Sec. 6, NE SW SW SW Lease: Big Chief 2 Operator: Chieftain Oil Co., Inc. Current Operator: Chieftain Oil Co., Inc. API Number: 15-007-23657
	T35S R11W, Sec. 6, NW SE SE SW Lease: Big Chief 3 Operator: Chieftain Oil Co., Inc. Current Operator: Chieftain Oil Co., Inc. API Number: 15-007-23908	T35S R11W, Sec. 6, SE SW Lease: Big Chief 4 Operator: Chieftain Oil Co., Inc. Current Operator: Chieftain Oil Co., Inc. API Number: 15-007-23939

Pre-1987 cumulative data and monthly volume data is provided under license agreement to the KGS by IHS Energy. As such, it may be reviewed and used for public service and research purposes. It may not be downloaded or used for purposes of re-packaging, reselling or dissemination to third parties.

Kansas Geological Survey
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URL=http://www.kgs.ku.edu/Magellan/Field/lease.html
Programs Updated May 27, 2014
Data from Kansas Dept. of Revenue files monthly.