UTL 28-17

Oil // district 10 // lease#47721

op: PIONEER NATURAL RES. USA, INC.

cum_oil

1.1M BBL

cum_gas

0 MCF

wells

3

production

2015-05 — 2026-03

peak_month

2024-12

-- production_history

cum_oil: 1,050,281 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

43,199 BBL/mo

Di (annual)

492.6%

b-factor

0.9

EUR

476,625 BBL

R-squared

0.957

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
11HJAGGED PEAK ENERGY LLC112,3502024-03-12
2801WILLIAMS, CLAYTON ENERGY, INC.214,0002017-04-07
1HWILLIAMS, CLAYTON ENERGY, INC.211,5002014-09-16
EOF // data source: Texas Railroad Commission // 2026