WITCHER, J. E. -7-

Oil // district 10 // lease#1558

op: OCCIDENTAL PERMIAN LTD.

fields: FOSTER

cum_oil

513k BBL

cum_gas

0 MCF

wells

15

production

1993-01 — 2026-03

peak_month

2002-01

-- production_history

cum_oil: 513,260 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,550 BBL/mo

Di (annual)

19.3%

b-factor

0.2

EUR

501,254 BBL

R-squared

0.848

type

hyperbolic

-- wells (15)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16OCCIDENTAL PERMIAN LTD.14,6002011-06-24
10OCCIDENTAL PERMIAN LTD.14,6002001-08-30
11OCCIDENTAL PERMIAN LTD.14,6002001-08-30
12OCCIDENTAL PERMIAN LTD.14,6002001-08-30
13OCCIDENTAL PERMIAN LTD.14,6002001-08-30
14OCCIDENTAL PERMIAN LTD.24,6002001-08-30
15OCCIDENTAL PERMIAN LTD.14,6002001-08-30
8OCCIDENTAL PERMIAN LTD.14,6002001-08-30
9OCCIDENTAL PERMIAN LTD.14,6002001-08-30
6KIRBY EXPLORATION CO. OF TEXAS14,2151987-05-12
142-135-06825--------
2W42-135-06823--------
4W42-135-06827--------
542-135-06828--------
C 2W42-135-08981--------
EOF // multi-state drilling data platform // 2026