SHACKELFORD 39C

Oil · District 08 · Lease #56513

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

325k BBL

Cum Gas

2.1M MCF

casinghead

Wells

1

Production

2021-09 — 2026-04

Peak Month

2022-01

Production History

Cum Oil: 324,763 BBL Cum Gas: 2,067,166 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

37,809 BBL/mo

Di (annual)

433.8%

b-factor

0.8

EUR

380,213 BBL

R-squared

0.861

type

hyperbolic

Operator History (from monthly production reports)

2021-09 — 2026-07 PIONEER NATURAL RES. USA, INC. 59 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
3HPIONEER NATURAL RES. USA, INC.110,5912021-03-19