RIO SABINE 39-42 UNIT 1

Oil // district 10 // lease#59599

op: ENDEAVOR ENERGY RESOURCES L.P.

cum_oil

3.5M BBL

cum_gas

0 MCF

wells

18

production

2023-07 — 2026-03

peak_month

2023-09

-- production_history

cum_oil: 3,472,202 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

202,891 BBL/mo

Di (annual)

92.4%

b-factor

0.0

EUR

2,637,454 BBL

R-squared

0.653

type

exponential

-- wells (18)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
141ENDEAVOR ENERGY RESOURCES L.P.19,9462022-09-22
142ENDEAVOR ENERGY RESOURCES L.P.19,9462022-09-22
143ENDEAVOR ENERGY RESOURCES L.P.29,9462022-09-22
234ENDEAVOR ENERGY RESOURCES L.P.19,9462022-09-22
244ENDEAVOR ENERGY RESOURCES L.P.19,9462022-09-22
245ENDEAVOR ENERGY RESOURCES L.P.19,9462022-09-22
122ENDEAVOR ENERGY RESOURCES L.P.19,8912022-09-16
123ENDEAVOR ENERGY RESOURCES L.P.110,6722022-09-16
131ENDEAVOR ENERGY RESOURCES L.P.19,9462022-09-16
132ENDEAVOR ENERGY RESOURCES L.P.19,9462022-09-16
133ENDEAVOR ENERGY RESOURCES L.P.19,9462022-09-16
224ENDEAVOR ENERGY RESOURCES L.P.19,8912022-09-16
225ENDEAVOR ENERGY RESOURCES L.P.19,8912022-09-16
121ENDEAVOR ENERGY RESOURCES L.P.19,8912022-09-07
111ENDEAVOR ENERGY RESOURCES L.P.19,8912022-09-06
112ENDEAVOR ENERGY RESOURCES L.P.29,8912022-09-06
213ENDEAVOR ENERGY RESOURCES L.P.19,8912022-09-06
214ENDEAVOR ENERGY RESOURCES L.P.19,8912022-09-06
EOF // data source: Texas Railroad Commission // 2026