UNIVERSITY "4-3"

Oil · District 7C · Lease #16771

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

18k BBL

Cum Gas

33k MCF

casinghead

Wells

1

Production

2008-08 — 2019-10

Peak Month

2008-11

Production History

Cum Oil: 18,102 BBL Cum Gas: 33,012 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

368 BBL/mo

Di (annual)

32.1%

b-factor

0.4

EUR

21,838 BBL

R-squared

0.420

type

hyperbolic

Operator History (from monthly production reports)

2008-08 — 2020-05 PIONEER NATURAL RES. USA, INC. 142 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA INC.19,2002008-05-08