UNIVERSITY 7-31B

Oil // district 10 // lease#39191

op: QEP ENERGY COMPANY

cum_oil

165k BBL

cum_gas

0 MCF

wells

7

production

2009-01 — 2026-03

peak_month

2012-01

-- production_history

cum_oil: 164,565 BBL cum_gas: 0 MCF

-- decline_curve_analysis

qi

6,637 BBL/mo

Di (annual)

52.4%

b-factor

0.0

EUR

151,877 BBL

R-squared

0.340

type

exponential

-- wells (7)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
D 1QEP ENERGY COMPANY114,0902018-05-17
7ENERVEST OPERATING, L.L.C.113,0002013-10-10
6CHESAPEAKE OPERATING, INC.218,0002011-08-30
4CHESAPEAKE OPERATING, INC.118,0002010-12-07
5CHESAPEAKE OPERATING, INC.218,0002010-06-16
3CHESAPEAKE OPERATING, INC.118,0002010-03-26
2CHESAPEAKE OPERATING, INC.218,0002008-08-06
EOF // multi-state drilling data platform // 2026