KELLER, E.

Oil · District 8A · Lease #17786

Operator: XTO ENERGY INC.

Cum Oil

213k BBL

Cum Gas

100k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

1994-04

Production History

Cum Oil: 213,248 BBL Cum Gas: 100,357 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,199 BBL/mo

Di (annual)

26.4%

b-factor

0.7

EUR

209,947 BBL

R-squared

0.913

type

hyperbolic

Operator History (from monthly production reports)

2025-04 — 2026-07 HILCORP ENERGY COMPANY 16 mo
2004-08 — 2025-03 XTO ENERGY INC. 248 mo
2002-06 — 2004-07 CHEVRON U. S. A. INC. 26 mo
1993-01 — 2002-05 TEXACO E & P INC. 113 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HILCORP ENERGY COMPANY18,6501993-11-30
142-501-10247HILCORP ENERGY COMPANY------
242-501-10248HILCORP ENERGY COMPANY------