PRESTON S31P

Oil · District 08 · Lease #56221

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

239k BBL

Cum Gas

1.8M MCF

casinghead

Wells

1

Production

2021-05 — 2026-04

Peak Month

2022-01

Production History

Cum Oil: 238,921 BBL Cum Gas: 1,819,734 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

25,559 BBL/mo

Di (annual)

231.4%

b-factor

0.5

EUR

261,044 BBL

R-squared

0.974

type

hyperbolic

Operator History (from monthly production reports)

2021-05 — 2026-07 PIONEER NATURAL RES. USA, INC. 63 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
116HPIONEER NATURAL RES. USA, INC.210,5142020-10-07