PRESTON 18D

Oil · District 08 · Lease #48920

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

338k BBL

Cum Gas

2.8M MCF

casinghead

Wells

1

Production

2017-06 — 2026-04

Peak Month

2017-07

Production History

Cum Oil: 337,545 BBL Cum Gas: 2,776,704 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,252 BBL/mo

Di (annual)

126.6%

b-factor

0.3

EUR

341,791 BBL

R-squared

0.917

type

hyperbolic

Operator History (from monthly production reports)

2017-06 — 2026-07 PIONEER NATURAL RES. USA, INC. 110 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4HPIONEER NATURAL RES. USA, INC.211,0502016-04-13