UNIVERSITY"58-6"

Oil · District 7C · Lease #16494

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

68k BBL

Cum Gas

132k MCF

casinghead

Wells

3

Production

2008-01 — 2021-07

Peak Month

2009-03

Production History

Cum Oil: 68,241 BBL Cum Gas: 131,697 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

970 BBL/mo

Di (annual)

16.8%

b-factor

0.0

EUR

69,278 BBL

R-squared

0.497

type

exponential

Operator History (from monthly production reports)

2008-01 — 2026-07 PIONEER NATURAL RES. USA, INC. 223 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3PIONEER NATURAL RES. USA INC.210,7502009-10-12
1PIONEER NATURAL RES. USA INC.110,5002008-05-08
2BCP RESOURCES, LLC110,3252007-10-15