OPERATORS · RRC 876520

Union Oil Co of California

2,437 PERMITS · PAGE 1 OF 49 · BY ISSUE DATE

IssuedPermitTypeCountyLease / wellDepthStatusAPIOperator change
Mar 20, 2026914224ReenterVan ZandtTunnell, I. P. 300 #181,600—46730902Acquired from Basa Resources, Inc.
Nov 17, 2021874506RecompletionVan ZandtCrim, J. F. 16 #105,100Final completion46731004Acquired from Basa Resources, Inc.
Jun 18, 2021870485RecompletionVan ZandtBrawner, L. M. 10 #205,592Final completion46730994Acquired from Basa Resources, Inc.
Jun 26, 2019854499RecompletionVan ZandtSwain, W. F. 9 #125,701—46730983—
Nov 14, 2017832774RecompletionCranePure-University #312,019Final completion10331046Acquired from Seguro Oil and Gas, LLC
Nov 22, 2016820101RecompletionVan ZandtCrim, J. F. 16 #95,200Final completion46730997—
Jan 7, 2016813024RecompletionVan ZandtYork, W. A. 13 #83,102—46730748—
Sep 11, 2015809128RecompletionVan ZandtBrawner, L. M. 10 #235,200Final completion46731005—
Sep 10, 2015809820RecompletionVan ZandtBracken, J. A. 503 #52,969—46700604—
Dec 17, 2014801718RecompletionVan ZandtW. T. Jarman #37295,200—46731032—
Oct 16, 2014794224RecompletionVan ZandtRay, S. R. #27,250—46730925—
Oct 3, 2014796082RecompletionVan ZandtPeters, R 29 #105,561Final completion46731027—
Mar 22, 2014780576RecompletionVan ZandtSwain, W. F. 36 #103,250Final completion46730785Now Basa Resources Inc.
Dec 13, 2013774471RecompletionVan ZandtI.W. Thompson 401 #192,100—46730823—
Dec 13, 2013774455RecompletionVan ZandtW.F. Swain 36 #93,230—46730765—
Dec 9, 2013774466RecompletionVan ZandtI.W. Thompson 401 #152,100—46730763—
May 12, 2010695700RecompletionVan ZandtW.t.jarman #37295,200—46731032—
Jan 8, 2009675182Field transferVan ZandtJ. A. Bracken 35 #153,275Final completion46730789—
Jun 21, 2008663731RecompletionVan ZandtJ. A. Bracken 503 #42,650—46700608—
Jun 18, 2008659796RecompletionJacksonWeise, Della #16,361Side one multi completion23900543Acquired from Premier Natural Resources, LLC
Dec 19, 2007648465RecompletionJacksonNeibuhr, A. L. #7F6,350Final completion23903518Acquired from Premier Natural Resources, LLC
Oct 17, 2007647646RecompletionJacksonSpacek, Frank #66,051Final completion23900549Acquired from Premier Natural Resources, LLC
Oct 11, 2007646507RecompletionVan ZandtBracken, J.A 35 #154,400Final completion46730789—
Oct 8, 2007647096RecompletionVan ZandtO.L. Swain 11 #245,370—46731035—
Jul 2, 2007639073RecompletionVan ZandtJ.T. Taylor #63,500—46730736—
Jun 13, 2007640076RecompletionVan ZandtCrim, J. F. 16 #85,700Final completion46730982—
Jun 6, 2007638212RecompletionVan ZandtBrawner, L.M 10 #204,400—46730994—
Jun 6, 2007638212RecompletionVan ZandtBrawner, L. M. 10 #205,592Final completion46730994—
Mar 27, 2007635552RecompletionVan ZandtMaxfield, A. G. 38 #146,200—46730998—
Mar 27, 2007635552RecompletionVan ZandtMaxfield, A. G. 38 #146,200—46730998—
Mar 27, 2007635552RecompletionVan ZandtMaxfield, A. G. 38 #146,200Final completion46730998—
Jan 10, 2007623307RecompletionVan ZandtPeters, R.H. 29 #99,000—46731007—
Oct 3, 2006626478RecompletionVan ZandtCrim, R. 28 #75,350—46731025—
Oct 3, 2006626478RecompletionVan ZandtCrim, R. 28 #75,350Final completion46731025—
Jul 27, 2006623310RecompletionVan ZandtBracken, J.A. 35 #103,012—46730618—
Feb 16, 2006614299RecompletionVan ZandtSwain, W.F. 14 #75,300—46730992—
Aug 8, 2005604281RecompletionVan ZandtYork, W. A. 13 #63,077—46730131—
Aug 1, 2005604216RecompletionVan ZandtBrawner, L.M. 10 #92,947—46700437—
Apr 22, 2005560747RecompletionVan ZandtYork, W. A. 13 #162,388Final completion46730860Now Basa Resources Inc.
Apr 4, 2005559813RecompletionVan ZandtMaxfield, A. G. 38 #93,019Final completion46700212Now Basa Resources Inc.
Apr 4, 2005559454RecompletionVan ZandtHowell, D. R. 45 #83,050Final completion46730127Now Basa Resources Inc.
Mar 30, 2005559190RecompletionVan ZandtYork, W. A. 13 #172,405Final completion46730880—
Mar 28, 2005559002RecompletionVan ZandtBracken, J. A. 503 #133,057Final completion46730798Now Basa Resources Inc.
Mar 28, 2005559001RecompletionVan ZandtYork, W. A. 13 #142,430Final completion46730857—
Mar 25, 2005559455RecompletionVan ZandtShivers, J. R. 12 #82,764—46730651—
Mar 25, 2005559189RecompletionVan ZandtShivers, J. R. 12 #42,942Final completion46700548Now Union Expl. Partners Ltd.
Jan 24, 2005556356RecompletionVan ZandtThompson, I. W. 401 #243,010Final completion46730889Now Basa Resources Inc.
Dec 1, 2004554141RecompletionVan ZandtWells, R. L. 47 #62,925Final completion46700863Now Basa Resources Inc.
Aug 17, 2004549691RecompletionVan ZandtSwain, W F 9 #32,937Final completion46700519Now Basa Resources Inc.
Aug 5, 2004548713DrillVan ZandtSwain, O. L. 11 "A-C" #252,950Final completion46731073Now Basa Resources Inc.