ROBISON, J. H.

Oil · District 8A · Lease #11539

Operator: TEXACO E & P INC.

Cum Oil

619k BBL

Cum Gas

178k MCF

casinghead

Wells

5

Production

1993-01 — 2026-04

Peak Month

1996-06

Production History

Cum Oil: 619,046 BBL Cum Gas: 177,568 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,234 BBL/mo

Di (annual)

23.1%

b-factor

0.6

EUR

411,338 BBL

R-squared

0.844

type

hyperbolic

Operator History (from monthly production reports)

2020-10 — 2026-07 JO MILL OIL COMPANY LLC 70 mo
2002-06 — 2020-09 CHEVRON U. S. A. INC. 220 mo
1993-01 — 2002-05 TEXACO E & P INC. 113 mo

Wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9JO MILL OIL COMPANY LLC27,6501994-06-20
7JO MILL OIL COMPANY LLC17,6501991-06-02
8JO MILL OIL COMPANY LLC27,6501991-05-20
542-115-00768JO MILL OIL COMPANY LLC------
642-115-00769JO MILL OIL COMPANY LLC------