KOCH

Oil · District 01 · Lease #11139

Operator: RAMIREZ, ROBERT A.

Fields: SOMERSET

Cum Oil

14k BBL

Cum Gas

20 MCF

casinghead

Wells

8

Production

1993-01 — 2026-04

Peak Month

1998-07

Production History

Cum Oil: 14,251 BBL Cum Gas: 20 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

101 BBL/mo

Di (annual)

11.9%

b-factor

0.0

EUR

10,114 BBL

R-squared

0.347

type

exponential

Operator History (from monthly production reports)

2024-02 — 2026-07 CALFAS CATTLE & OIL, LLC 30 mo
2015-05 — 2024-01 EVERETT OIL, INC. 105 mo
1998-08 — 2015-04 EVERETT OIL 201 mo
1998-04 — 1998-07 RAMIREZ, ROBERT A. 4 mo
1993-01 — 1998-03 HUFO PRODUCTION CORPORATION 63 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6CALFAS CATTLE & OIL, LLC11,4001984-12-12
7CALFAS CATTLE & OIL, LLC11,4001984-12-12
8CALFAS CATTLE & OIL, LLC11,4001984-12-11
1CALFAS CATTLE & OIL, LLC11,7001984-10-29
2CALFAS CATTLE & OIL, LLC11,4001984-10-29
3CALFAS CATTLE & OIL, LLC11,4001984-10-29
4CALFAS CATTLE & OIL, LLC11,4001984-10-29
5CALFAS CATTLE & OIL, LLC11,4001984-10-29