SHACKELFORD 9B

Oil · District 08 · Lease #58958

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

273k BBL

Cum Gas

474k MCF

casinghead

Wells

1

Production

2022-12 — 2026-04

Peak Month

2023-05

Production History

Cum Oil: 273,109 BBL Cum Gas: 473,630 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,927 BBL/mo

Di (annual)

66.4%

b-factor

0.0

EUR

251,589 BBL

R-squared

0.600

type

exponential

Operator History (from monthly production reports)

2022-12 — 2026-07 PIONEER NATURAL RES. USA, INC. 44 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2HPIONEER NATURAL RES. USA, INC.110,4752022-07-21