UNIVERSITY 3-15A

Oil · District 7C · Lease #21113

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

440k BBL

Cum Gas

1.0M MCF

casinghead

Wells

1

Production

2019-03 — 2026-04

Peak Month

2020-09

Production History

Cum Oil: 440,080 BBL Cum Gas: 1,039,170 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,448 BBL/mo

Di (annual)

39.4%

b-factor

0.0

EUR

440,417 BBL

R-squared

0.910

type

exponential

Operator History (from monthly production reports)

2019-03 — 2026-07 PIONEER NATURAL RES. USA, INC. 89 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
101HPIONEER NATURAL RES. USA, INC.110,2502018-12-31