PHILLIPS-CUSTERS

Oil // district 13 // lease#29436

op: LAMAR ENERGY

cum_oil

262k BBL

cum_gas

0 MCF

wells

4

production

1997-11 — 2026-03

peak_month

1998-10

-- production_history

cum_oil: 261,535 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,569 BBL/mo

Di (annual)

31.3%

b-factor

0.6

EUR

270,073 BBL

R-squared

0.901

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8CHOLLA PETROLEUM, INC.13,9001998-05-29
7CHOLLA PETROLEUM, INC.33,9991998-03-26
1CHOLLA PETROLEUM, INC.13,4701992-12-15
5L & M OIL CO.33,8001990-12-17
EOF // data source: Texas Railroad Commission // 2026