ANZALDUA-LOTT UNIT

Oil · District 01 · Lease #8579

Operator: SHEFTS & SHEFTS, INC.

Fields: SALT FLAT

Cum Oil

822 BBL

Cum Gas

31 MCF

casinghead

Wells

2

Production

1993-01 — 2002-04

Peak Month

1995-01

Production History

Cum Oil: 822 BBL Cum Gas: 31 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13 BBL/mo

Di (annual)

39.3%

b-factor

0.0

EUR

356 BBL

R-squared

0.323

type

exponential

Operator History (from monthly production reports)

1993-01 — 2008-03 SHEFTS & SHEFTS, INC. 183 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
28T-C OIL COMPANY, LLC14,8002000-08-03
2SHEFTS & SHEFTS INC.12,8001982-07-27