PRESTON S31Q

Oil · District 08 · Lease #55950

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

234k BBL

Cum Gas

911k MCF

casinghead

Wells

1

Production

2021-03 — 2026-04

Peak Month

2022-09

Production History

Cum Oil: 233,992 BBL Cum Gas: 910,823 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

6,175 BBL/mo

Di (annual)

50.5%

b-factor

0.0

EUR

146,861 BBL

R-squared

0.464

type

exponential

Operator History (from monthly production reports)

2021-03 — 2026-07 PIONEER NATURAL RES. USA, INC. 65 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
117HPIONEER NATURAL RES. USA, INC.110,5142020-10-07