BLOCK 69

Oil · District 01 · Lease #11410

Operator: SHEFTS & SHEFTS, INC.

Fields: SALT FLAT

Cum Oil

15k BBL

Cum Gas

21k MCF

casinghead

Wells

1

Production

1993-01 — 2024-01

Peak Month

1999-05

Production History

Cum Oil: 14,783 BBL Cum Gas: 20,726 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

78 BBL/mo

Di (annual)

6.7%

b-factor

0.0

EUR

13,510 BBL

R-squared

0.424

type

exponential

Operator History (from monthly production reports)

1994-02 — 2026-07 SHEFTS & SHEFTS, INC. 390 mo
1993-01 — 1994-01 SEACO PRODUCTION 13 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SHEFTS & SHEFTS INC.13,0001986-01-21