SHACKELFORD 9C

Oil · District 08 · Lease #58991

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

411k BBL

Cum Gas

775k MCF

casinghead

Wells

1

Production

2022-11 — 2026-04

Peak Month

2024-08

Production History

Cum Oil: 410,590 BBL Cum Gas: 774,819 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,851 BBL/mo

Di (annual)

109.1%

b-factor

0.5

EUR

548,714 BBL

R-squared

0.772

type

hyperbolic

Operator History (from monthly production reports)

2022-11 — 2026-07 PIONEER NATURAL RES. USA, INC. 45 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HPIONEER NATURAL RES. USA, INC.110,4752022-07-21