BROWN & ALTMAN B

Oil · District 08 · Lease #35239

Operator: XTO ENERGY INC.

Cum Oil

57k BBL

Cum Gas

325k MCF

casinghead

Wells

3

Production

1997-02 — 2019-03

Peak Month

1997-10

Production History

Cum Oil: 56,575 BBL Cum Gas: 324,875 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,054 BBL/mo

Di (annual)

197.2%

b-factor

0.7

EUR

34,945 BBL

R-squared

0.827

type

hyperbolic

Operator History (from monthly production reports)

2025-04 — 2026-07 HILCORP ENERGY COMPANY 16 mo
2012-01 — 2025-03 XTO ENERGY INC. 159 mo
2000-04 — 2011-12 EXXON MOBIL CORPORATION 141 mo
1997-02 — 2000-03 EXXON CORP. 38 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
47HILCORP ENERGY COMPANY311,5442019-04-03
46XTO ENERGY INC.29,3801999-08-06
44HILCORP ENERGY COMPANY19,4401996-09-23