KEYSTONE RANCH -A-

Oil // district 1 // lease#5204

op: ORYX ENERGY COMPANY

cum_oil

44k BBL

cum_gas

0 MCF

wells

5

production

1993-01 — 2026-03

peak_month

2001-01

-- production_history

cum_oil: 44,054 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

932 BBL/mo

Di (annual)

31.4%

b-factor

0.0

EUR

35,616 BBL

R-squared

0.654

type

exponential

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
5FAIR ENERGY16,9001978-10-03
4FAIR ENERGY26,9001978-06-20
3AFAIR ENERGY16,9501977-10-31
2FAIR OIL, LTD.16,7601977-08-23
1FAIR OIL, LTD.16,8001977-07-08
EOF // multi-state drilling data platform // 2026