SHACKELFORD 39-27AF

Oil · District 08 · Lease #63492

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

228k BBL

Cum Gas

564k MCF

casinghead

Wells

1

Production

2025-02 — 2026-04

Peak Month

2025-08

Production History

Cum Oil: 227,563 BBL Cum Gas: 563,563 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

46,405 BBL/mo

Di (annual)

284.7%

b-factor

0.3

EUR

280,185 BBL

R-squared

0.955

type

hyperbolic

Operator History (from monthly production reports)

2025-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 18 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
206HPIONEER NATURAL RES. USA, INC.110,5782024-08-27