SHACKELFORD 9L

Oil · District 08 · Lease #58855

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

333k BBL

Cum Gas

982k MCF

casinghead

Wells

1

Production

2022-12 — 2026-04

Peak Month

2024-03

Production History

Cum Oil: 332,625 BBL Cum Gas: 982,483 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

27,846 BBL/mo

Di (annual)

109.5%

b-factor

0.0

EUR

305,428 BBL

R-squared

0.901

type

exponential

Operator History (from monthly production reports)

2022-12 — 2026-07 PIONEER NATURAL RES. USA, INC. 44 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HPIONEER NATURAL RES. USA, INC.110,4752022-07-21