XBC-UNRUH 3B

Oil · District 7C · Lease #20525

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

440k BBL

Cum Gas

1.5M MCF

casinghead

Wells

1

Production

2019-08 — 2025-10

Peak Month

2020-05

Production History

Cum Oil: 439,617 BBL Cum Gas: 1,522,487 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,745 BBL/mo

Di (annual)

75.9%

b-factor

0.3

EUR

467,594 BBL

R-squared

0.950

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
17HPIONEER NATURAL RES. USA INC.110,4702019-04-15