UNIVERSITY "7-11"

Oil · District 08 · Lease #38589

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

199k BBL

Cum Gas

664k MCF

casinghead

Wells

4

Production

2007-04 — 2025-11

Peak Month

2013-01

Production History

Cum Oil: 198,783 BBL Cum Gas: 664,060 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

1,508 BBL/mo

Di (annual)

40.4%

b-factor

0.0

EUR

44,790 BBL

R-squared

0.492

type

exponential

Operator History (from monthly production reports)

2007-04 — 2026-07 PIONEER NATURAL RES. USA, INC. 232 mo

Wells (4)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2PIONEER NATURAL RES. USA INC.111,5002011-07-07
3PIONEER NATURAL RES. USA INC.212,0002011-04-29
4PIONEER NATURAL RES. USA INC.111,6002010-12-30
1PIONEER NATURAL RES. USA INC.210,5002007-02-06