HARLAN ET AL

Oil · District 04 · Lease #11453

Operator: VALERIUS, ROBERT D. INC.

Fields: AGUA DULCE (6500)

Cum Oil

23k BBL

Cum Gas

45k MCF

casinghead

Wells

2

Production

1993-01 — 1996-04

Peak Month

1993-11

Production History

Cum Oil: 22,875 BBL Cum Gas: 45,422 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

779 BBL/mo

Di (annual)

37.3%

b-factor

0.0

EUR

25,016 BBL

R-squared

0.600

type

exponential

Operator History (from monthly production reports)

1997-02 — 1998-11 HARPER HEFTE, INC. 22 mo

1993-12 — 1997-01 VALERIUS, ROBERT D. INC. 38 mo

1993-01 — 1993-11 VALERIUS, INC. & ZINE, INC. 11 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
4	42-355-33058	HARPER HEFTE INC.	1	7,200	1996-12-10
3	42-355-32342	HARPER HEFTE INC.	2	7,615	1988-08-08