UNIVERSITY 4-7D

Oil · District 7C · Lease #21651

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

246k BBL

Cum Gas

213k MCF

casinghead

Wells

1

Production

2022-04 — 2026-04

Peak Month

2022-05

Production History

Cum Oil: 245,588 BBL Cum Gas: 212,936 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

11,997 BBL/mo

Di (annual)

98.2%

b-factor

0.9

EUR

506,317 BBL

R-squared

0.933

type

hyperbolic

Operator History (from monthly production reports)

2022-04 — 2026-07 PIONEER NATURAL RES. USA, INC. 52 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HPIONEER NATURAL RES. USA, INC.19,5702021-10-05