HCW

Oil // district 3 // lease#12918

op: ATASCA RESOURCES, INC.

cum_oil

7k BBL

cum_gas

0 MCF

wells

7

production

1993-01 — 2000-05

peak_month

1994-07

-- production_history

cum_oil: 6,955 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

669 BBL/mo

Di (annual)

238.6%

b-factor

0.0

EUR

3,373 BBL

R-squared

0.620

type

exponential

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8ITR PETROLEUM, INC.18,7001985-12-09
7GRAHAM, KEITH D.18,6001980-12-31
5GRAHAM, KEITH D.18,6001980-09-02
6GRAHAM, KEITH D.18,6001980-09-02
3GRAHAM, KEITH D.18,8001980-05-07
4GRAHAM, KEITH D.18,8001980-05-02
1GRAHAM, KEITH D.19,0001980-03-04
EOF // multi-state drilling data platform // 2026