UNIVERSITY 4-7F

Oil · District 7C · Lease #21652

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

234k BBL

Cum Gas

171k MCF

casinghead

Wells

1

Production

2022-04 — 2026-04

Peak Month

2022-05

Production History

Cum Oil: 234,182 BBL Cum Gas: 171,403 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,853 BBL/mo

Di (annual)

103.2%

b-factor

1.2

EUR

627,571 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
6HPIONEER NATURAL RES. USA, INC.19,5702021-10-05