UNIVERSITY RUTH

Oil // district 10 // lease#40164

op: SUMMIT PETROLEUM LLC

cum_oil

356k BBL

cum_gas

0 MCF

wells

8

production

2010-05 — 2026-03

peak_month

2013-05

-- production_history

cum_oil: 356,037 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

7,148 BBL/mo

Di (annual)

64.3%

b-factor

0.7

EUR

329,642 BBL

R-squared

0.897

type

hyperbolic

-- wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
408COG OPERATING LLC112,0002012-06-14
403COG OPERATING LLC112,0002012-05-30
411COG OPERATING LLC112,0002012-04-24
423COG OPERATING LLC212,0002012-04-24
463PDC ENERGY212,0002012-02-13
441PDC ENERGY112,0002011-10-03
471PDC ENERGY111,9002011-08-31
404SUMMIT PETROLEUM LLC111,5002010-02-22
EOF // multi-state drilling data platform // 2026