WILLIAMS-NAIL 5F

Oil · District 08 · Lease #61969

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

267k BBL

Cum Gas

259k MCF

casinghead

Wells

1

Production

2024-08 — 2026-04

Peak Month

2025-04

Production History

Cum Oil: 267,247 BBL Cum Gas: 258,749 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

27,353 BBL/mo

Di (annual)

208.4%

b-factor

0.9

EUR

625,611 BBL

R-squared

0.830

type

hyperbolic

Operator History (from monthly production reports)

2024-08 — 2026-07 PIONEER NATURAL RES. USA, INC. 24 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HPIONEER NATURAL RES. USA, INC.110,6002024-06-10