PRESTON 9A

Oil · District 08 · Lease #57599

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

455k BBL

Cum Gas

1.1M MCF

casinghead

Wells

1

Production

2022-06 — 2026-04

Peak Month

2022-07

Production History

Cum Oil: 454,622 BBL Cum Gas: 1,055,389 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

21,721 BBL/mo

Di (annual)

67.4%

b-factor

0.0

EUR

386,890 BBL

R-squared

0.716

type

exponential

Operator History (from monthly production reports)

2022-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 50 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
101HPIONEER NATURAL RES. USA, INC.210,4862020-04-16