UNIVERSITY "58-8"

Oil · District 7C · Lease #17705

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

65k BBL

Cum Gas

122k MCF

casinghead

Wells

2

Production

2011-11 — 2022-08

Peak Month

2012-05

Production History

Cum Oil: 65,359 BBL Cum Gas: 121,645 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,992 BBL/mo

Di (annual)

52.6%

b-factor

0.2

EUR

56,709 BBL

R-squared

0.899

type

hyperbolic

Operator History (from monthly production reports)

2011-11 — 2026-07 PIONEER NATURAL RES. USA, INC. 177 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8PIONEER NATURAL RES. USA INC.110,7002011-11-02
1PIONEER NATURAL RES. USA INC.110,8002011-05-02