PHILLIPS-CUSTERS

Oil // district 13 // lease#27902

op: CHOLLA PETROLEUM, INC.

cum_oil

25k BBL

cum_gas

0 MCF

wells

2

production

1993-01 — 1998-09

peak_month

1995-12

-- production_history

cum_oil: 25,021 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

882 BBL/mo

Di (annual)

102.6%

b-factor

0.5

EUR

19,877 BBL

R-squared

0.978

type

hyperbolic

-- wells (2)

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