SHACKELFORD 39-27A

Oil · District 08 · Lease #63552

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

294k BBL

Cum Gas

548k MCF

casinghead

Wells

1

Production

2025-02 — 2026-04

Peak Month

2025-10

Production History

Cum Oil: 294,446 BBL Cum Gas: 548,077 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

38,723 BBL/mo

Di (annual)

383.9%

b-factor

2.0

EUR

2,254,736 BBL

R-squared

0.694

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
101HPIONEER NATURAL RES. USA, INC.210,5782024-09-20