UNIVERSITY 12-3

Oil · District 7C · Lease #16811

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

16k BBL

Cum Gas

33k MCF

casinghead

Wells

1

Production

2009-01 — 2019-08

Peak Month

2009-03

Production History

Cum Oil: 16,283 BBL Cum Gas: 33,296 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

213 BBL/mo

Di (annual)

14.5%

b-factor

0.0

EUR

17,574 BBL

R-squared

0.369

type

exponential

Operator History (from monthly production reports)

2009-01 — 2020-03 PIONEER NATURAL RES. USA, INC. 135 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA INC.18,8002008-09-04