UNIVERSITY "31"

Oil · District 7C · Lease #12993

Operator: REATTA ENERGY, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

34k BBL

Cum Gas

93k MCF

casinghead

Wells

1

Production

1993-01 — 2019-05

Peak Month

2007-12

Production History

Cum Oil: 33,920 BBL Cum Gas: 92,629 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

208 BBL/mo

Di (annual)

6.4%

b-factor

0.0

EUR

37,501 BBL

R-squared

0.632

type

exponential

Operator History (from monthly production reports)

2002-06 — 2020-07 REATTA ENERGY, INC. 218 mo

1998-02 — 2002-05 EMBAR RESOURCES, INC 52 mo

1997-06 — 1998-01 PURCELL, DANNY A. 8 mo

1993-01 — 1997-05 HENRY PETROLEUM CORP. 53 mo

Wells (1)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
1	42-383-34054	REATTA ENERGY, INC.	2	8,400	1990-10-05