WILLIAMS

Oil · District 7C · Lease #13840

Operator: ROBERTSON RESOURCES, INC.

Cum Oil

140k BBL

Cum Gas

174k MCF

casinghead

Wells

1

Production

1995-07 — 2026-03

Peak Month

2008-07

Production History

Cum Oil: 140,266 BBL Cum Gas: 174,379 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

807 BBL/mo

Di (annual)

7.4%

b-factor

0.0

EUR

127,973 BBL

R-squared

0.647

type

exponential

Operator History (from monthly production reports)

2022-01 — 2026-07 ROBERTSON RESOURCES, INC. 55 mo
2019-06 — 2021-12 LADD OIL & GAS CORPORATION 31 mo
1995-07 — 2019-05 PETRODATA RESOURCES, INC. 287 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7ROBERTSON RESOURCES, INC.26,0001995-07-06