PRESTON S31N

Oil · District 08 · Lease #56181

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

215k BBL

Cum Gas

1.5M MCF

casinghead

Wells

1

Production

2021-04 — 2026-04

Peak Month

2022-01

Production History

Cum Oil: 214,629 BBL Cum Gas: 1,538,068 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

9,023 BBL/mo

Di (annual)

70.8%

b-factor

0.0

EUR

153,015 BBL

R-squared

0.534

type

exponential

Operator History (from monthly production reports)

2021-04 — 2026-07 PIONEER NATURAL RES. USA, INC. 64 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
114HPIONEER NATURAL RES. USA, INC.210,5142020-10-07