UNIVERSITY 7-28 PU

Oil · District 08 · Lease #51198

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

3.8M BBL

Cum Gas

5.5M MCF

casinghead

Wells

6

Production

2018-05 — 2026-04

Peak Month

2018-12

Production History

Cum Oil: 3,806,513 BBL Cum Gas: 5,496,103 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

214,911 BBL/mo

Di (annual)

312.4%

b-factor

1.2

EUR

5,759,709 BBL

R-squared

0.921

type

hyperbolic

Operator History (from monthly production reports)

2018-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 95 mo

Wells (6)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
101HPIONEER NATURAL RES. USA, INC.110,4022018-02-05
102HPIONEER NATURAL RES. USA, INC.110,4022018-02-05
103HPIONEER NATURAL RES. USA, INC.110,4022018-02-05
216HPIONEER NATURAL RES. USA, INC.110,4002018-02-05
217HPIONEER NATURAL RES. USA, INC.110,4002018-02-05
218HPIONEER NATURAL RES. USA, INC.110,4002018-02-05