PRESTON 9B

Oil · District 08 · Lease #57499

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

473k BBL

Cum Gas

1.4M MCF

casinghead

Wells

1

Production

2022-02 — 2026-04

Peak Month

2022-07

Production History

Cum Oil: 472,544 BBL Cum Gas: 1,397,553 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

40,045 BBL/mo

Di (annual)

105.1%

b-factor

0.0

EUR

457,367 BBL

R-squared

0.956

type

exponential

Operator History (from monthly production reports)

2022-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 54 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
102HPIONEER NATURAL RES. USA, INC.210,4862020-04-16