NUNN -D-

Oil · District 7C · Lease #6515

Operator: ROBERTSON RESOURCES, INC.

Cum Oil

77k BBL

Cum Gas

330k MCF

casinghead

Wells

3

Production

1993-01 — 2025-07

Peak Month

2001-10

Production History

Cum Oil: 77,306 BBL Cum Gas: 329,692 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

363 BBL/mo

Di (annual)

19.8%

b-factor

0.0

EUR

21,935 BBL

R-squared

0.475

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
1993-01 — 2007-09 GLOSSOP, ROBERT L. 177 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3ROBERTSON RESOURCES INC.18,4502000-07-31
2ROBERTSON RESOURCES INC.18,4001990-10-22
142-383-01214ROBERTSON RESOURCES INC.------