HILGENBERG UNIT

Oil · District 7B · Lease #14808

Operator: ORYX ENERGY COMPANY

Cum Oil

80k BBL

Cum Gas

6k MCF

casinghead

Wells

1

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 79,615 BBL Cum Gas: 5,777 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

474 BBL/mo

Di (annual)

11.8%

b-factor

1.0

EUR

93,154 BBL

R-squared

0.872

type

hyperbolic

Operator History (from monthly production reports)

2003-08 — 2026-07 BASA RESOURCES, INC. 276 mo
1999-10 — 2003-07 KERR-MCGEE OIL & GAS ONSHORE LLC 46 mo
1999-04 — 1999-09 KERR-MCGEE CORPORATION 6 mo
1993-01 — 1999-03 ORYX ENERGY COMPANY 75 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BASA RESOURCES, INC.13,4001978-09-05