LOLLAR

Oil · District 7C · Lease #11143

Operator: XERIC OIL & GAS CORPORATION

Fields: HERITAGE (GARDNER)

Cum Oil

12k BBL

Cum Gas

20k MCF

casinghead

Wells

1

Production

1993-01 — 2011-01

Peak Month

1993-08

Production History

Cum Oil: 11,828 BBL Cum Gas: 19,659 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

85 BBL/mo

Di (annual)

6.6%

b-factor

0.0

EUR

14,854 BBL

R-squared

0.380

type

exponential

Operator History (from monthly production reports)

2012-11 — 2013-06 CDC SERVICES INC. 8 mo

2010-04 — 2012-10 3-D OIL & GAS 31 mo

2002-10 — 2010-03 DELTEX MINERALS INC. 90 mo

2002-09 — 2002-09 EDMONDSON, H. B. & SON 1 mo

1996-11 — 2002-08 CHEETAH INVESTMENTS, INC. 70 mo

1995-05 — 1996-10 XERIC OIL & GAS CORPORATION 18 mo

1993-06 — 1995-04 HERITAGE PETROLEUM CORPORATION 23 mo

1993-01 — 1993-05 PITTENCRIEFF AMERICA, INC. 5 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-399-33396	CDC SERVICES INC.	1	4,500	1984-11-19