SHIELDS -A-

Oil // district 14 // lease#239

op: PETCO PETROLEUM CORP.

cum_oil

103k BBL

cum_gas

0 MCF

wells

11

production

1993-01 — 2026-03

peak_month

1994-01

-- production_history

cum_oil: 103,348 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

598 BBL/mo

Di (annual)

7.1%

b-factor

0.0

EUR

97,774 BBL

R-squared

0.788

type

exponential

-- wells (11)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
15OXY USA INC.13,4751990-04-02
14CITIES SERVICE COMPANY13,3101980-06-23
1042-179-07145--------
1142-179-07146--------
1242-179-07147--------
1342-179-07148--------
242-179-07137--------
442-179-07139--------
742-179-07142--------
842-179-07143--------
942-179-07144--------
EOF // multi-state drilling data platform // 2026