SHACKELFORD 9I

Oil · District 08 · Lease #58711

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

504k BBL

Cum Gas

1.2M MCF

casinghead

Wells

1

Production

2022-10 — 2026-04

Peak Month

2024-09

Production History

Cum Oil: 504,110 BBL Cum Gas: 1,185,509 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

21,659 BBL/mo

Di (annual)

39.7%

b-factor

0.0

EUR

655,100 BBL

R-squared

0.372

type

exponential

Operator History (from monthly production reports)

2022-10 — 2026-07 PIONEER NATURAL RES. USA, INC. 46 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HPIONEER NATURAL RES. USA, INC.110,4752022-07-21