SHACKELFORD W39F

Oil · District 08 · Lease #53021

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

373k BBL

Cum Gas

1.5M MCF

casinghead

Wells

1

Production

2019-10 — 2026-04

Peak Month

2021-06

Production History

Cum Oil: 372,593 BBL Cum Gas: 1,539,363 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,286 BBL/mo

Di (annual)

63.5%

b-factor

0.1

EUR

342,200 BBL

R-squared

0.879

type

hyperbolic

Operator History (from monthly production reports)

2019-10 — 2026-07 PIONEER NATURAL RES. USA, INC. 82 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
6HPIONEER NATURAL RES. USA, INC.110,6002019-02-11