CHAFFIN, J. D.

Oil · District 8A · Lease #8332

Operator: VIEJO OIL & GAS, LLC

Fields: P. H. D.

Cum Oil

38k BBL

Cum Gas

20 MCF

casinghead

Wells

2

Production

1993-01 — 2026-04

Peak Month

1993-09

Production History

Cum Oil: 38,476 BBL Cum Gas: 20 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

224 BBL/mo

Di (annual)

6.9%

b-factor

0.0

EUR

37,901 BBL

R-squared

0.558

type

exponential

Operator History (from monthly production reports)

2022-02 — 2026-07 VIEJO OIL & GAS, LLC 54 mo

2016-04 — 2022-01 DONNY STELZER OPERATING, LLC 70 mo

1995-11 — 2016-03 STELZER DRILLING CO. INC. 245 mo

1993-01 — 1995-10 STELZER, J. C. 34 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
3	42-169-32436	VIEJO OIL & GAS, LLC	1	4,300	1984-09-18
1	42-169-01075	VIEJO OIL & GAS, LLC	--	--	--