SABINE ROYALTY -A-

Oil · District 08 · Lease #12166

Operator: OCCIDENTAL PERMIAN LTD.

Cum Oil

735k BBL

Cum Gas

160k MCF

casinghead

Wells

7

Production

1993-01 — 2026-04

Peak Month

1997-04

Production History

Cum Oil: 734,611 BBL Cum Gas: 160,417 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,253 BBL/mo

Di (annual)

58.4%

b-factor

0.4

EUR

578,033 BBL

R-squared

0.943

type

hyperbolic

Operator History (from monthly production reports)

2026-05 — 2026-07 HILCORP ENERGY COMPANY 3 mo
2000-05 — 2026-04 OCCIDENTAL PERMIAN LTD. 312 mo
1997-03 — 2000-04 ALTURA ENERGY LTD. 38 mo
1993-01 — 1997-02 AMOCO PRODUCTION COMPANY 50 mo

Wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
35OCCIDENTAL PERMIAN LTD.15,0001996-12-30
45OCCIDENTAL PERMIAN LTD.15,0001996-12-30
33OCCIDENTAL PERMIAN LTD.17,6001995-06-07
43OCCIDENTAL PERMIAN LTD.17,6001995-05-22
32 U42-003-06711OCCIDENTAL PERMIAN LTD.------
42 U42-003-06714OCCIDENTAL PERMIAN LTD.------
42U42-003-06714OCCIDENTAL PERMIAN LTD.------