SHACKELFORD 31-26C

Oil · District 08 · Lease #63501

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

331k BBL

Cum Gas

522k MCF

casinghead

Wells

1

Production

2025-06 — 2026-04

Peak Month

2026-04

Production History

Cum Oil: 331,346 BBL Cum Gas: 521,699 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

45,415 BBL/mo

Di (annual)

173.6%

b-factor

0.4

EUR

521,174 BBL

R-squared

0.930

type

hyperbolic

Operator History (from monthly production reports)

2025-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 14 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
103HPIONEER NATURAL RES. USA, INC.110,6102024-10-17