RANDALL, E.

Oil · District 8A · Lease #66948

Operator: XTO ENERGY INC.

Cum Oil

900k BBL

Cum Gas

262k MCF

casinghead

Wells

8

Production

1993-01 — 2025-10

Peak Month

1995-12

Production History

Cum Oil: 900,496 BBL Cum Gas: 262,473 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,696 BBL/mo

Di (annual)

79.4%

b-factor

0.5

EUR

739,502 BBL

R-squared

0.873

type

hyperbolic

Operator History (from monthly production reports)

2025-04 — 2026-07 HILCORP ENERGY COMPANY 16 mo
2004-05 — 2025-03 XTO ENERGY INC. 251 mo
2000-04 — 2004-04 EXXON MOBIL CORPORATION 49 mo
1993-01 — 2000-03 EXXON CORP. 87 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
41HILCORP ENERGY COMPANY59,9002009-04-22
41 UHILCORP ENERGY COMPANY59,9002009-04-22
39HILCORP ENERGY COMPANY49,5002003-03-24
42HILCORP ENERGY COMPANY29,7002001-04-02
42UHILCORP ENERGY COMPANY29,7002001-04-02
43MHILCORP ENERGY COMPANY39,7401998-08-07
43UHILCORP ENERGY COMPANY39,7401998-08-07
45 UHILCORP ENERGY COMPANY19,7001995-03-17