TEXAS TEASIP UNIVERSITY

Oil · District 08 · Lease #39834

Operator: REEF EXPLORATION, L.P.

Fields: MAGUTEX (DEVONIAN)

Cum Oil

14k BBL

Cum Gas

11k MCF

casinghead

Wells

1

Production

2009-07 — 2024-10

Peak Month

2009-11

Production History

Cum Oil: 13,596 BBL Cum Gas: 11,017 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

398 BBL/mo

Di (annual)

199.3%

b-factor

0.8

EUR

7,991 BBL

R-squared

0.397

type

hyperbolic

Operator History (from monthly production reports)

2024-02 — 2026-07 OVINTIV USA INC. 30 mo

2022-01 — 2024-01 EXTEX OPERATING COMPANY 25 mo

2018-03 — 2021-12 HOME PETROLEUM CORP. 46 mo

2012-09 — 2018-02 CTL OIL & GAS CORPORATION 66 mo

2009-07 — 2012-08 REEF EXPLORATION, L.P. 38 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-003-40983	OVINTIV USA INC.	1	14,000	2009-02-23