RIVERSIDE CAMPUS

Oil // district 3 // lease#21158

op: WILLIAMS-CODY, INC.

cum_oil

467k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2025-09

peak_month

1993-01

-- production_history

cum_oil: 466,716 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

9,146 BBL/mo

Di (annual)

61.2%

b-factor

0.7

EUR

439,928 BBL

R-squared

0.903

type

hyperbolic

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6ULTRAMAR OIL AND GAS LIMITED110,0001992-08-19
5ULTRAMAR OIL AND GAS LIMITED19,5001992-02-10
4ULTRAMAR OIL AND GAS LIMITED29,0001991-10-25
3ULTRAMAR OIL AND GAS LIMITED18,5001991-07-31
2ULTRAMAR OIL AND GAS LIMITED28,5001991-05-20
1ULTRAMAR OIL AND GAS LIMITED28,5001991-05-03
EOF // multi-state drilling data platform // 2026