WILLIAMS-NAIL 5I

Oil · District 08 · Lease #61970

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

178k BBL

Cum Gas

219k MCF

casinghead

Wells

1

Production

2024-08 — 2026-04

Peak Month

2025-02

Production History

Cum Oil: 178,425 BBL Cum Gas: 218,880 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,534 BBL/mo

Di (annual)

110.2%

b-factor

0.0

EUR

191,001 BBL

R-squared

0.629

type

exponential

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HPIONEER NATURAL RES. USA, INC.110,6002024-06-10