UNIVERSITY 3-15B

Oil · District 7C · Lease #21114

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

374k BBL

Cum Gas

1.2M MCF

casinghead

Wells

1

Production

2019-01 — 2026-04

Peak Month

2020-12

Production History

Cum Oil: 374,025 BBL Cum Gas: 1,155,837 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

14,207 BBL/mo

Di (annual)

71.4%

b-factor

0.5

EUR

452,281 BBL

R-squared

0.974

type

hyperbolic

Operator History (from monthly production reports)

2019-01 — 2026-07 PIONEER NATURAL RES. USA, INC. 91 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
102HPIONEER NATURAL RES. USA, INC.110,2502018-12-31