PRESTON 18G

Oil · District 08 · Lease #50143

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

355k BBL

Cum Gas

1.3M MCF

casinghead

Wells

1

Production

2018-02 — 2026-04

Peak Month

2018-03

Production History

Cum Oil: 355,476 BBL Cum Gas: 1,255,788 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

18,501 BBL/mo

Di (annual)

92.5%

b-factor

0.3

EUR

342,461 BBL

R-squared

0.804

type

hyperbolic

Operator History (from monthly production reports)

2018-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 102 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
7HPIONEER NATURAL RES. USA, INC.111,0502016-10-20