Yearly and monthly production HEFFRON UNIT Lease

	T2S R19W, Sec. 23, NW SE NE Lease: HEFFRON 2 Operator: LEWIS DRILLING CO Current Operator: Unknown API Number: 15-147-00839	T2S R19W, Sec. 23, NE SE Lease: KELLY 3 Operator: SIERRA PET Current Operator: Bach Oil Production API Number: 15-147-20461
	T2S R19W, Sec. 23, E2 SW NE Lease: HOPPER ESTATE 1 Operator: LEWIS DRILLING CO Current Operator: Bach Oil Production API Number: 15-147-00840	T2S R19W, Sec. 23, SW NE Lease: HEFFRON 4 Operator: SAM P. WALLINGFORD, INC. Current Operator: Pioneer Resources Inc. API Number: 15-147-19076
	T2S R19W, Sec. 23, S2 SE NE Lease: HEFFRON 1 Operator: LEWIS DRILLING CO Current Operator: Unknown API Number: 15-147-00838	T2S R19W, Sec. 23, S2 SE NE Lease: HEFFRON 1 Operator: GRAHAM-MICHAELIS CORP. Current Operator: Pioneer Resources Inc. API Number: 15-147-00838-0001
	T2S R19W, Sec. 23, SE NE Lease: HEFFRON 2 Operator: Maier Well Service, Inc. Current Operator: Sierra Petroleum Co., Inc. API Number: 15-147-00839-0001	T2S R19W, Sec. 23, S2 SE NE Lease: HEFFRON UNIT 1 Operator: Pioneer Resources Current Operator: Bach Oil Production API Number: 15-147-00838-0002

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