COX "12A"

Oil // district 10 // lease#41447

op: ENDEAVOR ENERGY RESOURCES L.P.

cum_oil

249k BBL

cum_gas

0 MCF

wells

7

production

2000-01 — 2026-03

peak_month

2014-12

-- production_history

cum_oil: 249,313 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

3,158 BBL/mo

Di (annual)

23.6%

b-factor

0.0

EUR

160,479 BBL

R-squared

0.559

type

exponential

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1ASTEPHENS, AUTRY C.511,0752017-04-26
6ENDEAVOR ENERGY RESOURCES L.P.112,0002014-06-30
5ENDEAVOR ENERGY RESOURCES L.P.112,0002013-11-19
4ENDEAVOR ENERGY RESOURCES L.P.112,0002013-04-08
2ENDEAVOR ENERGY RESOURCES L.P.212,0002012-10-01
3ENDEAVOR ENERGY RESOURCES L.P.112,0002012-08-21
1STEPHENS, AUTRY C.212,0002011-02-14
EOF // data source: Texas Railroad Commission // 2026