WILLIAMS-NAIL 5C

Oil · District 08 · Lease #62135

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

261k BBL

Cum Gas

289k MCF

casinghead

Wells

1

Production

2024-10 — 2026-04

Peak Month

2025-03

Production History

Cum Oil: 261,093 BBL Cum Gas: 289,440 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

34,492 BBL/mo

Di (annual)

406.9%

b-factor

1.3

EUR

891,258 BBL

R-squared

0.989

type

hyperbolic

Operator History (from monthly production reports)

2024-10 — 2026-07 PIONEER NATURAL RES. USA, INC. 22 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HPIONEER NATURAL RES. USA, INC.110,6002024-06-10