SHACKELFORD E39B

Oil · District 08 · Lease #53083

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

319k BBL

Cum Gas

1.3M MCF

casinghead

Wells

1

Production

2019-10 — 2026-04

Peak Month

2021-01

Production History

Cum Oil: 319,086 BBL Cum Gas: 1,325,915 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

13,766 BBL/mo

Di (annual)

309.0%

b-factor

0.8

EUR

187,577 BBL

R-squared

0.870

type

hyperbolic

Operator History (from monthly production reports)

2019-10 — 2026-07 PIONEER NATURAL RES. USA, INC. 82 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
102HPIONEER NATURAL RES. USA, INC.110,6002019-02-11