SHACKELFORD E39F

Oil · District 08 · Lease #52795

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

377k BBL

Cum Gas

1.1M MCF

casinghead

Wells

1

Production

2019-10 — 2026-04

Peak Month

2020-08

Production History

Cum Oil: 376,864 BBL Cum Gas: 1,064,533 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,635 BBL/mo

Di (annual)

134.0%

b-factor

0.4

EUR

365,529 BBL

R-squared

0.916

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
106HPIONEER NATURAL RES. USA, INC.110,6002019-02-11