WILLIAMS-NAIL 5B

Oil · District 08 · Lease #62073

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

269k BBL

Cum Gas

311k MCF

casinghead

Wells

1

Production

2024-09 — 2026-04

Peak Month

2025-05

Production History

Cum Oil: 268,859 BBL Cum Gas: 310,805 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

33,784 BBL/mo

Di (annual)

211.8%

b-factor

0.0

EUR

191,922 BBL

R-squared

0.712

type

exponential

Operator History (from monthly production reports)

2024-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 23 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HPIONEER NATURAL RES. USA, INC.110,6002024-06-10