SHACKELFORD 14B

Oil · District 08 · Lease #54405

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

240k BBL

Cum Gas

1.1M MCF

casinghead

Wells

1

Production

2020-03 — 2026-04

Peak Month

2022-09

Production History

Cum Oil: 240,035 BBL Cum Gas: 1,112,639 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

16,540 BBL/mo

Di (annual)

114.7%

b-factor

0.3

EUR

247,062 BBL

R-squared

0.869

type

hyperbolic

Operator History (from monthly production reports)

2020-03 — 2026-07 PIONEER NATURAL RES. USA, INC. 77 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HPIONEER NATURAL RES. USA, INC.19,1502019-08-23