NUNN -C-

Oil · District 7C · Lease #13976

Operator: ROBERTSON RESOURCES, INC.

Fields: SPRABERRY (TREND AREA)

Cum Oil

21k BBL

Cum Gas

147k MCF

casinghead

Wells

2

Production

1995-11 — 2025-10

Peak Month

1996-12

Production History

Cum Oil: 20,563 BBL Cum Gas: 146,960 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

124 BBL/mo

Di (annual)

25.5%

b-factor

0.0

EUR

5,811 BBL

R-squared

0.304

type

exponential

Operator History (from monthly production reports)

2024-09 — 2026-07 ROBERTSON RESOURCES, INC. 23 mo

2018-01 — 2024-08 GLOSSOP OIL & GAS, LLC 80 mo

2007-10 — 2017-12 GLOSSOP, ROBERT L. ESTATE 123 mo

1995-11 — 2007-09 GLOSSOP, ROBERT L. 143 mo

Wells (2)

WELL#	API	OPERATOR	PERMITS	DEPTH	LAST_ISSUED
2	42-383-00547	COX JOHN L.	1	8,300	1992-03-20
1	42-383-00546	GLOSSOP ROBERT L.	--	--	--