SHACKELFORD 40-12AE

Oil · District 08 · Lease #61647

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

306k BBL

Cum Gas

1.1M MCF

casinghead

Wells

1

Production

2024-02 — 2026-04

Peak Month

2024-10

Production History

Cum Oil: 306,185 BBL Cum Gas: 1,132,290 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

40,043 BBL/mo

Di (annual)

364.6%

b-factor

0.9

EUR

571,693 BBL

R-squared

0.971

type

hyperbolic

Operator History (from monthly production reports)

2024-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 30 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
31HPIONEER NATURAL RES. USA, INC.210,4752022-10-20