HARTMANN

Oil // district 1 // lease#15731

op: WARWICK-ARTEMIS, LLC

cum_oil

115k BBL

cum_gas

0 MCF

wells

3

production

2012-01 — 2026-03

peak_month

2012-01

-- production_history

cum_oil: 115,371 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

4,853 BBL/mo

Di (annual)

111.2%

b-factor

0.3

EUR

74,624 BBL

R-squared

0.437

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HMARATHON OIL COMPANY115,5002011-10-10
2HMARATHON OIL COMPANY115,5002011-09-07
1HMARATHON OIL COMPANY114,5002011-08-24
EOF // data source: Texas Railroad Commission // 2026