UNIVERSITY 9-11

Oil · District 7C · Lease #18323

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

101k BBL

Cum Gas

248k MCF

casinghead

Wells

2

Production

2012-03 — 2025-10

Peak Month

2012-08

Production History

Cum Oil: 100,671 BBL Cum Gas: 247,666 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

2,148 BBL/mo

Di (annual)

43.4%

b-factor

0.6

EUR

122,964 BBL

R-squared

0.796

type

hyperbolic

Operator History (from monthly production reports)

2021-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 62 mo
2017-12 — 2021-05 DE3 OPERATING LLC 42 mo
2014-09 — 2017-11 DIAMONDBACK E&P LLC 39 mo
2012-03 — 2014-08 BC OPERATING, INC. 30 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1BC OPERATING INC.211,0002014-09-25
2PIONEER NATURAL RES. USA INC.211,0002011-07-12