SHACKELFORD 31-26A

Oil · District 08 · Lease #63500

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

308k BBL

Cum Gas

570k MCF

casinghead

Wells

1

Production

2025-05 — 2026-04

Peak Month

2026-03

Production History

Cum Oil: 307,656 BBL Cum Gas: 569,641 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

36,857 BBL/mo

Di (annual)

122.4%

b-factor

0.0

EUR

361,589 BBL

R-squared

0.813

type

exponential

Operator History (from monthly production reports)

2025-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 15 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
101HPIONEER NATURAL RES. USA, INC.110,6102024-10-17