MCDONALD, IDA

Oil // district 10 // lease#15273

op: XTO ENERGY INC.

cum_oil

71k BBL

cum_gas

0 MCF

wells

4

production

1993-01 — 2026-03

peak_month

2019-12

-- production_history

cum_oil: 71,048 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

1,355 BBL/mo

Di (annual)

19.2%

b-factor

0.0

EUR

84,686 BBL

R-squared

0.460

type

exponential

-- wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
20 UCROSS TIMBERS ENERGY, LLC28,9552021-10-14
29CROSS TIMBERS ENERGY, LLC28,0002016-11-10
17 UXTO ENERGY INC.58,9502012-03-14
10XTO ENERGY INC.28,8832009-09-22
EOF // data source: Texas Railroad Commission // 2026