SHACKELFORD 41A

Oil · District 08 · Lease #57399

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

346k BBL

Cum Gas

1.3M MCF

casinghead

Wells

1

Production

2022-06 — 2026-04

Peak Month

2022-06

Production History

Cum Oil: 346,318 BBL Cum Gas: 1,258,281 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

31,153 BBL/mo

Di (annual)

173.7%

b-factor

0.5

EUR

421,176 BBL

R-squared

0.983

type

hyperbolic

Operator History (from monthly production reports)

2022-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 50 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HPIONEER NATURAL RES. USA, INC.19,2502021-10-27