NUNN B

Oil · District 7C · Lease #11133

Operator: ROBERTSON RESOURCES, INC.

Cum Oil

50k BBL

Cum Gas

472k MCF

casinghead

Wells

4

Production

1993-01 — 2024-07

Peak Month

1996-05

Production History

Cum Oil: 50,284 BBL Cum Gas: 472,367 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

493 BBL/mo

Di (annual)

25.0%

b-factor

0.2

EUR

29,403 BBL

R-squared

0.818

type

hyperbolic

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 (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4ROBERTSON RESOURCES INC.18,4001985-07-09
3ROBERTSON RESOURCES INC.18,3501984-10-22
142-383-01160ROBERTSON RESOURCES INC.------
242-383-01158ROBERTSON RESOURCES INC.------