BILLINGTON, HARRY

Oil · District 08 · Lease #15968

Operator: UNIVERSAL RESOURCES CORP.

Fields: SPRABERRY (TREND AREA)

Cum Oil

61k BBL

Cum Gas

95k MCF

casinghead

Wells

3

Production

1993-01 — 2025-03

Peak Month

2010-09

Production History

Cum Oil: 60,916 BBL Cum Gas: 94,825 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

619 BBL/mo

Di (annual)

46.4%

b-factor

0.5

EUR

29,469 BBL

R-squared

0.438

type

hyperbolic

Operator History (from monthly production reports)

2020-02 — 2026-07 OVINTIV USA INC. 78 mo

2015-02 — 2020-01 ENCANA OIL & GAS(USA) INC. 60 mo

2014-01 — 2015-01 ATHLON HOLDINGS LP 13 mo

2010-10 — 2013-12 ATHLON ENERGY OPERATING LLC 39 mo

2010-01 — 2010-09 SANDRIDGE EXPL. AND PROD., LLC 9 mo

2004-05 — 2009-12 FOREST OIL PERMIAN CORPORATION 68 mo

1999-11 — 2004-04 MAYNARD OIL CO. 54 mo

1999-04 — 1999-10 QUESTAR EXPL. AND PROD. CO. 7 mo

1996-10 — 1999-03 UNIVERSAL RESOURCES CORP. 30 mo

1994-11 — 1996-09 DALLAS PRODUCTION, INC. 23 mo

1993-01 — 1994-10 UNION OIL COMPANY OF CALIFORNIA 22 mo

Wells (3)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-317-36005	OVINTIV USA INC.	1	12,000	2010-05-07
1	42-317-00190	OVINTIV USA INC.	--	--	--
2	42-317-00393	OVINTIV USA INC.	--	--	--