SHACKELFORD E10F

Oil · District 08 · Lease #52827

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

452k BBL

Cum Gas

1.7M MCF

casinghead

Wells

1

Production

2019-07 — 2026-04

Peak Month

2020-07

Production History

Cum Oil: 452,359 BBL Cum Gas: 1,677,319 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

10,900 BBL/mo

Di (annual)

33.0%

b-factor

0.0

EUR

396,627 BBL

R-squared

0.521

type

exponential

Operator History (from monthly production reports)

2019-07 — 2026-07 PIONEER NATURAL RES. USA, INC. 85 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
106HPIONEER NATURAL RES. USA, INC.110,6602018-09-05