UNIVERSITY 58-2

Oil // district 9 // lease#17680

op: VENCER ENERGY, LLC

cum_oil

296k BBL

cum_gas

0 MCF

wells

3

production

2011-10 — 2026-03

peak_month

2013-03

-- production_history

cum_oil: 296,385 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

12,126 BBL/mo

Di (annual)

481.8%

b-factor

0.8

EUR

110,925 BBL

R-squared

0.599

type

hyperbolic

-- wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1OPAL RESOURCES OPERATING CO.,LLC413,0002014-01-31
4OPAL RESOURCES OPERATING CO.,LLC113,0002012-11-12
3OPAL RESOURCES OPERATING CO.,LLC113,0002012-04-23
EOF // data source: Texas Railroad Commission // 2026