UNIVERSITY "3-18A"

Oil · District 7C · Lease #16661

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

53k BBL

Cum Gas

133k MCF

casinghead

Wells

3

Production

2008-07 — 2013-08

Peak Month

2011-08

Production History

Cum Oil: 53,134 BBL Cum Gas: 133,424 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,054 BBL/mo

Di (annual)

115.3%

b-factor

0.7

EUR

84,464 BBL

R-squared

0.920

type

hyperbolic

Operator History (from monthly production reports)

2008-07 — 2014-03 PIONEER NATURAL RES. USA, INC. 69 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1PIONEER NATURAL RES. USA, INC.110,7002010-10-15
8PIONEER NATURAL RES. USA, INC.110,8002010-09-09
4PIONEER NATURAL RES. USA, INC.110,5002008-03-07