SHACKELFORD 3-38A

Oil · District 08 · Lease #58138

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

404k BBL

Cum Gas

1.3M MCF

casinghead

Wells

1

Production

2022-10 — 2026-04

Peak Month

2022-11

Production History

Cum Oil: 403,547 BBL Cum Gas: 1,318,887 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

35,718 BBL/mo

Di (annual)

325.3%

b-factor

1.2

EUR

930,113 BBL

R-squared

0.987

type

hyperbolic

Operator History (from monthly production reports)

2022-10 — 2026-07 PIONEER NATURAL RES. USA, INC. 46 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HPIONEER NATURAL RES. USA, INC.110,6102022-03-31