UNIVERSITY "58-9A"

Oil · District 7C · Lease #17608

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

115k BBL

Cum Gas

178k MCF

casinghead

Wells

3

Production

2011-08 — 2020-06

Peak Month

2012-08

Production History

Cum Oil: 114,775 BBL Cum Gas: 177,746 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

4,557 BBL/mo

Di (annual)

96.1%

b-factor

0.3

EUR

81,077 BBL

R-squared

0.942

type

hyperbolic

Operator History (from monthly production reports)

2011-08 — 2026-07 PIONEER NATURAL RES. USA, INC. 180 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA INC.210,7002012-02-18
2PIONEER NATURAL RES. USA INC.210,7002011-05-24
1PIONEER NATURAL RES. USA INC.110,7002010-10-15