ROBERTSON, A. L. "D"

Oil · District 8A · Lease #62793

Operator: XERIC OIL & GAS CORPORATION

Cum Oil

379k BBL

Cum Gas

10k MCF

casinghead

Wells

16

Production

1993-01 — 2026-04

Peak Month

2013-04

Production History

Cum Oil: 379,103 BBL Cum Gas: 10,294 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,472 BBL/mo

Di (annual)

6.9%

b-factor

0.2

EUR

473,107 BBL

R-squared

0.441

type

hyperbolic

Operator History (from monthly production reports)

2015-09 — 2026-07 SURGE OPERATING, LLC 131 mo
2011-08 — 2015-08 JUNO OPERATING COMPANY II, LLC 49 mo
2007-03 — 2011-07 JUNO OPERATING COMPANY, LLC 53 mo
2005-03 — 2007-02 AOCO OPERATING, L.P. 24 mo
1998-06 — 2005-02 AOCO OPERATING COMPANY, L.L.C. 81 mo
1997-08 — 1998-05 STEALTH OIL CORP. 10 mo
1997-03 — 1997-07 XERIC OIL & GAS CORPORATION 5 mo
1993-01 — 1997-02 W.H.D., INC. 50 mo

Wells (16)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7005SURGE OPERATING, LLC15,0002018-09-24
7020SURGE OPERATING, LLC15,0002018-09-24
7030SURGE OPERATING, LLC15,0002018-09-24
7012SURGE OPERATING, LLC15,0002012-12-18
7021SURGE OPERATING, LLC15,0002012-12-18
7001SURGE OPERATING, LLC15,0002012-09-19
7010SURGE OPERATING, LLC15,0002012-09-19
7032SURGE OPERATING, LLC15,0002012-09-17
7002SURGE OPERATING, LLC15,0002012-08-28
7023SURGE OPERATING, LLC15,0002012-08-08
4SURGE OPERATING, LLC15,0002012-04-27
5SURGE OPERATING, LLC15,0002012-04-27
1RSURGE OPERATING, LLC15,0002008-10-06
3DSURGE OPERATING, LLC15,0002007-04-16
2SURGE OPERATING, LLC14,8001981-04-09
1SURGE OPERATING, LLC14,8001979-12-13