UNIVERSITY 4-7A

Oil · District 7C · Lease #21265

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

206k BBL

Cum Gas

402k MCF

casinghead

Wells

1

Production

2021-02 — 2026-04

Peak Month

2021-03

Production History

Cum Oil: 206,019 BBL Cum Gas: 402,175 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,595 BBL/mo

Di (annual)

163.0%

b-factor

0.8

EUR

325,144 BBL

R-squared

0.958

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HPIONEER NATURAL RES. USA, INC.310,3292019-10-17