SHAFFRATH, MAX D., ETAL

Oil · District 08 · Lease #16886

Operator: ZACHRY OIL AND GAS PROPERTIES

Cum Oil

59k BBL

Cum Gas

114 MCF

casinghead

Wells

3

Production

1993-01 — 2024-10

Peak Month

2002-03

Production History

Cum Oil: 59,377 BBL Cum Gas: 114 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

226 BBL/mo

Di (annual)

7.6%

b-factor

0.0

EUR

35,009 BBL

R-squared

0.539

type

exponential

Operator History (from monthly production reports)

2004-04 — 2026-07 SAHARA OPERATING COMPANY 268 mo
2001-08 — 2004-03 QUAY VALLEY, INC. 32 mo
1994-11 — 2001-07 ZACHRY OIL AND GAS PROPERTIES 81 mo
1993-01 — 1994-10 TOPAT OIL CORPORATION 22 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3SAHARA OPERATING COMPANY17,0001979-11-30
4DSAHARA OPERATING COMPANY17,0001979-11-30
142-371-00264SAHARA OPERATING COMPANY------