COWDEN RANCH "56"

Oil // district 10 // lease#35598

op: RUST OIL CORP.

cum_oil

112k BBL

cum_gas

0 MCF

wells

3

production

1997-11 — 2001-06

peak_month

1999-01

-- production_history

cum_oil: 112,462 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,554 BBL/mo

Di (annual)

39.5%

b-factor

2.0

EUR

742,192 BBL

R-squared

0.700

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3RUST OIL CORP.19,5001998-09-21
2RUST OIL CORP.19,5001998-04-01
1RUST OIL CORP.19,5001997-09-26
EOF // data source: Texas Railroad Commission // 2026