PRESTON #1

Oil // district 13 // lease#27927

op: LANDRUM WEST, INC.

cum_oil

91k BBL

cum_gas

0 MCF

wells

24

production

1993-01 — 2026-03

peak_month

1993-06

-- production_history

cum_oil: 90,991 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

384 BBL/mo

Di (annual)

5.8%

b-factor

0.0

EUR

75,450 BBL

R-squared

0.382

type

exponential

-- wells (24)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
21LLANDRUM WEST, INC.11,5001995-08-10
19LLANDRUM WEST, INC.18501995-01-18
20LLANDRUM WEST, INC.18501995-01-18
18LLANDRUM WEST, INC.18501993-06-04
16LLANDRUM WEST, INC.18501993-05-19
17LLANDRUM WEST, INC.18501993-05-19
307SEISMOTECH ENERGY, INCORPORATED11,9501993-01-19
308SEISMOTECH ENERGY, INCORPORATED11,9501993-01-19
301SEISMOTECH ENERGY, INCORPORATED11,9501992-12-22
303SEISMOTECH ENERGY, INCORPORATED11,9501992-12-22
306SEISMOTECH ENERGY, INCORPORATED11,9501992-12-22
15LLANDRUM WEST, INC.18501992-09-01
14LLANDRUM WEST, INC.18501992-08-24
12LLANDRUM WEST, INC.18501992-05-27
13LLANDRUM WEST, INC.18501992-05-27
10LLANDRUM WEST, INC.18501991-10-14
7LLANDRUM WEST, INC.18501991-10-03
8LLANDRUM WEST, INC.18501991-10-03
9LLANDRUM WEST, INC.18501991-10-03
5LLANDRUM WEST, INC.18501991-07-03
2LLANDRUM WEST, INC.11,9991991-03-15
3LLANDRUM WEST, INC.11,9991991-03-15
4LLANDRUM WEST, INC.11,9991991-03-15
1LLANDRUM WEST, INC.11,9991990-08-14
EOF // data source: Texas Railroad Commission // 2026