WILLIAMS -A-

Oil // district 13 // lease#29258

op: RIDGE OIL COMPANY

cum_oil

21k BBL

cum_gas

0 MCF

wells

5

production

1996-11 — 2000-02

peak_month

1997-12

-- production_history

cum_oil: 21,433 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,377 BBL/mo

Di (annual)

377.9%

b-factor

2.0

EUR

80,804 BBL

R-squared

0.910

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5RIDGE OIL COMPANY14,9991997-05-21
1RIDGE OIL COMPANY25,0001996-03-07
4STROUBE ENERGY CORPORATION24,5471991-01-04
3AVOCA PETROLEUM CORPORATION14,0001984-01-23
2LANKFORD & ASSOC., INC.14,7001980-07-23
EOF // multi-state drilling data platform // 2026