PRESTON 18J

Oil · District 08 · Lease #50182

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

394k BBL

Cum Gas

1.7M MCF

casinghead

Wells

1

Production

2018-02 — 2026-04

Peak Month

2019-01

Production History

Cum Oil: 394,217 BBL Cum Gas: 1,716,263 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

24,184 BBL/mo

Di (annual)

92.1%

b-factor

0.1

EUR

350,209 BBL

R-squared

0.976

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

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