HOWELL, R. A. 44

Oil // district 5 // lease#3294

op: UNION OIL COMPANY OF CALIFORNIA

cum_oil

31k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2010-07

peak_month

1996-08

-- production_history

cum_oil: 31,411 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

567 BBL/mo

Di (annual)

45.3%

b-factor

0.1

EUR

16,644 BBL

R-squared

0.909

type

hyperbolic

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
10UNOCAL EXPLORATION CORPORATION13,3901990-09-28
9UNOCAL EXPLORATION CORPORATION12,5001990-09-28
8UNION EXPL. PARTNERS, LTD.12,5001989-04-28
4UNION EXPL. PARTNERS, LTD.12,9641988-12-05
EOF // multi-state drilling data platform // 2026