ROCKER B -F-

Oil // district 9 // lease#4577

op: JM COX RESOURCES, L.P.

cum_oil

103k BBL

cum_gas

0 MCF

wells

10

production

1993-01 — 2019-01

peak_month

2014-11

-- production_history

cum_oil: 103,382 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,530 BBL/mo

Di (annual)

77.7%

b-factor

0.4

EUR

38,807 BBL

R-squared

0.709

type

hyperbolic

-- wells (10)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11JM COX RESOURCES, L.P.112,0002014-05-17
10JM COX RESOURCES, L.P.210,0002011-11-22
8COX, JOHN L.17,3001985-01-16
9COX, JOHN L.17,3001985-01-16
7COX, JOHN L.17,2001984-10-10
6 XCOX, JOHN L.17,5001982-03-03
3 XCOX, JOHN L.17,5001981-11-30
142-383-10089--------
242-383-10090--------
542-383-10092--------
EOF // data source: Texas Railroad Commission // 2026