ROBERTSON, H. L.

Oil · District 7B · Lease #28386

Operator: WINGROVE WELL SERVICE, INC.

Cum Oil

55k BBL

Cum Gas

9 MCF

casinghead

Wells

1

Production

1998-01 — 2026-04

Peak Month

1999-08

Production History

Cum Oil: 55,249 BBL Cum Gas: 9 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

244 BBL/mo

Di (annual)

4.9%

b-factor

0.0

EUR

54,524 BBL

R-squared

0.430

type

exponential

Operator History (from monthly production reports)

2023-12 — 2026-07 WINGROVE OPERATING, LLC 32 mo
2002-10 — 2023-11 WINGROVE WELL SERVICE, INC. 254 mo
1998-10 — 2002-09 RO-JO, INC. 48 mo
1998-01 — 1998-09 GLAHN RESOURCES, INC. 9 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5DWINGROVE OPERATING, LLC14,0001997-11-21