UNIVERSITY 3-15

Oil · District 7C · Lease #20360

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

1.0M BBL

Cum Gas

4.1M MCF

casinghead

Wells

3

Production

2019-08 — 2026-04

Peak Month

2021-05

Production History

Cum Oil: 1,028,681 BBL Cum Gas: 4,107,916 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

36,015 BBL/mo

Di (annual)

75.4%

b-factor

0.8

EUR

1,653,910 BBL

R-squared

0.812

type

hyperbolic

Operator History (from monthly production reports)

2019-08 — 2026-07 PIONEER NATURAL RES. USA, INC. 84 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
122HPIONEER NATURAL RES. USA, INC.110,2502017-12-06
123HPIONEER NATURAL RES. USA, INC.110,2502017-11-28
124HPIONEER NATURAL RES. USA, INC.110,2502017-11-28