STATE SCHOOL BOARD -MF-

Oil · District 7C · Lease #5593

Operator: PETX OPERATING LLC

Cum Oil

46k BBL

Cum Gas

564k MCF

casinghead

Wells

3

Production

1993-01 — 2026-04

Peak Month

1993-01

Production History

Cum Oil: 45,710 BBL Cum Gas: 563,691 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

165 BBL/mo

Di (annual)

4.5%

b-factor

0.3

EUR

43,690 BBL

R-squared

0.550

type

hyperbolic

Operator History (from monthly production reports)

2024-11 — 2026-07 PETX OPERATING LLC 21 mo
1996-06 — 2024-10 BYRD OPERATING COMPANY 341 mo
1995-04 — 1996-05 MAYNARD OIL CO. 14 mo
1995-02 — 1995-03 PENNZOIL EXPLORATION & PROD. CO. 2 mo
1993-01 — 1995-01 PENNZOIL PETROLEUM COMPANY 25 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PETX OPERATING LLC15,1802000-01-11
2 UPETX OPERATING LLC15,1802000-01-11
1PETX OPERATING LLC15,6501984-05-30