PRESTON 18L

Oil · District 08 · Lease #50317

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

481k BBL

Cum Gas

1.6M MCF

casinghead

Wells

1

Production

2018-02 — 2026-04

Peak Month

2019-03

Production History

Cum Oil: 481,139 BBL Cum Gas: 1,632,062 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,026 BBL/mo

Di (annual)

85.0%

b-factor

0.2

EUR

441,618 BBL

R-squared

0.967

type

hyperbolic

Operator History (from monthly production reports)

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

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
12HPIONEER NATURAL RES. USA, INC.111,0502016-10-20