SHACKELFORD 39I

Oil · District 08 · Lease #57402

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

310k BBL

Cum Gas

1.9M MCF

casinghead

Wells

1

Production

2022-05 — 2026-04

Peak Month

2022-06

Production History

Cum Oil: 310,185 BBL Cum Gas: 1,887,682 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

39,113 BBL/mo

Di (annual)

361.2%

b-factor

0.7

EUR

379,842 BBL

R-squared

0.954

type

hyperbolic

Operator History (from monthly production reports)

2022-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 51 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
9HPIONEER NATURAL RES. USA, INC.110,4932021-02-03