OCONNOR, THOS.

Oil // district 2 // lease#3990

op: GRETA OPERATING COMPANY LLC

fields: GRETA (4400)

cum_oil

146k BBL

cum_gas

0 MCF

wells

6

production

1993-01 — 2026-03

peak_month

2012-06

-- production_history

cum_oil: 146,454 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,442 BBL/mo

Di (annual)

19.7%

b-factor

0.0

EUR

87,703 BBL

R-squared

0.807

type

exponential

-- wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2CHILTON ENERGY46,1002003-08-20
1CHILTON ENERGY24,3921990-02-06
11AMOCO PRODUCTION COMPANY14,5001981-06-09
8AMOCO PRODUCTION COMPANY14,4501979-08-28
542-391-00975--------
942-391-30340--------
EOF // data source: Texas Railroad Commission // 2026