DENIS

Oil // district 9 // lease#14615

op: STEPHENS & JOHNSON OPERATING CO.

cum_oil

151k BBL

cum_gas

0 MCF

wells

6

production

1997-07 — 2009-03

peak_month

1999-03

-- production_history

cum_oil: 150,561 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,486 BBL/mo

Di (annual)

61.5%

b-factor

0.1

EUR

97,287 BBL

R-squared

0.921

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10STEPHENS & JOHNSON OPERATING CO.13,0002000-03-16
7STEPHENS & JOHNSON OPERATING CO.13,0001999-07-15
8STEPHENS & JOHNSON OPERATING CO.13,0001999-06-28
4PETRO-WEST CORPORATION12,6501998-04-07
3PETRO-WEST CORPORATION12,6501997-11-03
1PETRO-WEST CORPORATION12,6501997-05-23
EOF // data source: Texas Railroad Commission // 2026