PRESTON 18H

Oil · District 08 · Lease #50180

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

417k BBL

Cum Gas

2.3M MCF

casinghead

Wells

1

Production

2018-02 — 2026-04

Peak Month

2019-01

Production History

Cum Oil: 416,688 BBL Cum Gas: 2,305,494 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

30,211 BBL/mo

Di (annual)

167.4%

b-factor

0.5

EUR

423,290 BBL

R-squared

0.912

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8HPIONEER NATURAL RES. USA, INC.111,0502016-10-20