SCHWERTNER-DANIEL

Oil · District 08 · Lease #22750

Operator: UNIVERSAL RESOURCES CORP.

Fields: SPRABERRY (TREND AREA)

Cum Oil

108k BBL

Cum Gas

800k MCF

casinghead

Wells

4

Production

1993-01 — 2026-04

Peak Month

2013-12

Production History

Cum Oil: 107,793 BBL Cum Gas: 800,195 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,238 BBL/mo

Di (annual)

32.0%

b-factor

0.0

EUR

84,015 BBL

R-squared

0.789

type

exponential

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

1993-11 — 1999-03 UNIVERSAL RESOURCES CORP. 65 mo

1993-01 — 1993-10 PETROLEUM INC. 10 mo

Wells (4)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
5	42-173-35852	OVINTIV USA INC.	2	10,700	2013-05-17
4	42-173-35451	OVINTIV USA INC.	1	11,000	2012-11-30
3	42-173-31451	OVINTIV USA INC.	1	8,200	1983-08-11
2	42-173-30373	OVINTIV USA INC.	--	--	--