ANZALDUA-LOTT UNIT

Oil // district 1 // lease#8579

op: SHEFTS & SHEFTS, INC.

fields: SALT FLAT

cum_oil

822 BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 2008-03

peak_month

1995-01

-- production_history

cum_oil: 822 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

13 BBL/mo

Di (annual)

39.3%

b-factor

0.0

EUR

356 BBL

R-squared

0.323

type

exponential

-- wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
28GILSTER, RALPH R. III14,8002000-08-03
2TRAILWEST OPERATING CO.,INC.12,8001982-07-27
EOF // data source: Texas Railroad Commission // 2026