BLOCK 75 UNIT

Oil · District 01 · Lease #7867

Operator: SHEFTS & SHEFTS, INC.

Fields: SALT FLAT

Cum Oil

7k BBL

Cum Gas

8k MCF

casinghead

Wells

1

Production

1993-01 — 2024-04

Peak Month

1993-09

Production History

Cum Oil: 6,719 BBL Cum Gas: 7,666 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

42 BBL/mo

Di (annual)

7.6%

b-factor

0.0

EUR

6,518 BBL

R-squared

0.715

type

exponential

Operator History (from monthly production reports)

1993-01 — 2026-07 SHEFTS & SHEFTS, INC. 403 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1SHEFTS & SHEFTS, INC.23,0001982-05-12