ARNOLD C UNIT

Oil // district 1 // lease#16243

op: RIDGEMAR ENERGY OPERATING, LLC

cum_oil

405k BBL

cum_gas

0 MCF

wells

5

production

2012-09 — 2026-03

peak_month

2013-06

-- production_history

cum_oil: 404,793 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,156 BBL/mo

Di (annual)

27.3%

b-factor

0.3

EUR

378,223 BBL

R-squared

0.515

type

hyperbolic

-- wells (5)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
50HCARRIZO (EAGLE FORD) LLC211,0002014-02-10
51HCARRIZO (EAGLE FORD) LLC211,0002014-02-10
52HCARRIZO (EAGLE FORD) LLC211,0002014-02-10
30HCARRIZO OIL & GAS, INC.211,0002012-08-20
31HCARRIZO OIL & GAS, INC.311,0002012-08-16
EOF // data source: Texas Railroad Commission // 2026