OBRIEN, J. J., -A-

Oil // district 2 // lease#3959

op: GRETA OPERATING COMPANY LLC

fields: GRETA (4400)

cum_oil

124k BBL

cum_gas

0 MCF

wells

7

production

1993-01 — 2026-03

peak_month

1994-06

-- production_history

cum_oil: 123,823 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,205 BBL/mo

Di (annual)

16.6%

b-factor

0.3

EUR

117,777 BBL

R-squared

0.785

type

hyperbolic

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9CHILTON ENERGY37,9812002-10-23
5CHILTON ENERGY14,7301994-04-21
2CHILTON ENERGY22,3801993-12-10
7ARCO OIL & GAS CO.25,9241987-04-01
142-391-00815--------
1042-391-30330--------
342-391-82066--------
EOF // data source: Texas Railroad Commission // 2026