OTB O'BRIEN 43

Oil // district 10 // lease#39301

op: RESOLUTE NATURAL RES. CO., LLC

cum_oil

262k BBL

cum_gas

0 MCF

wells

7

production

2009-01 — 2026-03

peak_month

2011-01

-- production_history

cum_oil: 261,515 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,134 BBL/mo

Di (annual)

92.8%

b-factor

0.7

EUR

205,663 BBL

R-squared

0.689

type

hyperbolic

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8RESOLUTE NATURAL RES. CO., LLC211,0002012-09-07
6RESOLUTE NATURAL RES. CO., LLC211,0002012-09-06
2RESOLUTE NATURAL RES. CO., LLC211,0002012-08-13
7MAK-J ENERGY PARTNERS(TX),LTD.210,9002011-03-09
5MAK-J ENERGY PARTNERS(TX),LTD.212,0002010-04-16
1MAK-J ENERGY PARTNERS(TX),LTD.313,0002008-11-04
3MAK-J ENERGY PARTNERS(TX),LTD.19,6002008-06-23
EOF // data source: Texas Railroad Commission // 2026