RAINBOW

Oil // district 3 // lease#21116

op: MORRIS, W. DALE INC.

cum_oil

42k BBL

cum_gas

0 MCF

wells

1

production

1993-01 — 1997-09

peak_month

1993-01

-- production_history

cum_oil: 42,194 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,462 BBL/mo

Di (annual)

105.0%

b-factor

0.0

EUR

39,590 BBL

R-squared

0.422

type

exponential

-- wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ULTRAMAR OIL AND GAS LIMITED213,2001997-02-28
EOF // data source: Texas Railroad Commission // 2026