BUCHANAN

Oil // district 10 // lease#21412

op: JM COX RESOURCES, L.P.

cum_oil

580k BBL

cum_gas

0 MCF

wells

13

production

1993-01 — 2026-03

peak_month

2000-05

-- production_history

cum_oil: 580,419 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,930 BBL/mo

Di (annual)

13.9%

b-factor

0.2

EUR

411,530 BBL

R-squared

0.934

type

hyperbolic

-- wells (13)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
16COX, JOHN L.19,2002000-02-11
17COX, JOHN L.19,2002000-02-11
15COX, JOHN L.19,1001997-07-30
14COX, JOHN L.19,1001997-07-29
13COX, JOHN L.19,0001995-11-09
12COX, JOHN L.19,2001986-01-14
11COX, JOHN L.19,2001985-09-23
10COX, JOHN L.19,2001985-09-10
9COX, JOHN L.19,3001982-11-17
1XCOX, JOHN L.19,2001980-08-14
242-329-30026--------
442-329-30031--------
542-329-30038--------
EOF // data source: Texas Railroad Commission // 2026