RYAN, JOHN P. TRUSTEE

Oil · District 8A · Lease #66239

Operator: HILCORP ENERGY COMPANY

Cum Oil

1.1M BBL

Cum Gas

77k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

2007-08

Production History

Cum Oil: 1,097,643 BBL Cum Gas: 77,057 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

18,963 BBL/mo

Di (annual)

86.9%

b-factor

0.9

EUR

880,821 BBL

R-squared

0.974

type

hyperbolic

Operator History (from monthly production reports)

2024-12 — 2026-07 HILCORP ENERGY COMPANY 20 mo
1998-03 — 2024-11 APACHE CORPORATION 321 mo
1993-01 — 1998-02 EXXON CORP. 62 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HILCORP ENERGY COMPANY113,0001988-05-16