UNIVERSITY"58-7"

Oil · District 7C · Lease #16498

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

280k BBL

Cum Gas

554k MCF

casinghead

Wells

8

Production

2008-01 — 2022-06

Peak Month

2010-11

Production History

Cum Oil: 280,108 BBL Cum Gas: 554,483 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

5,393 BBL/mo

Di (annual)

26.7%

b-factor

0.0

EUR

241,963 BBL

R-squared

0.893

type

exponential

Operator History (from monthly production reports)

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

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8PIONEER NATURAL RES. USA INC.110,8002010-12-20
10PIONEER NATURAL RES. USA INC.110,7002010-11-30
6BCP RESOURCES, LLC111,0002010-03-04
4PIONEER NATURAL RES. USA INC.110,5002008-10-30
5PIONEER NATURAL RES. USA INC.210,5002008-10-30
3PIONEER NATURAL RES. USA INC.110,5002008-05-08
2PIONEER NATURAL RES. USA INC.110,5002007-12-17
1PIONEER NATURAL RES. USA INC.110,3252007-10-16