DIAMOND RIO 9-16O

Oil · District 08 · Lease #56378

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

241k BBL

Cum Gas

383k MCF

casinghead

Wells

1

Production

2021-08 — 2026-04

Peak Month

2022-03

Production History

Cum Oil: 241,221 BBL Cum Gas: 382,689 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

23,068 BBL/mo

Di (annual)

846.5%

b-factor

1.7

EUR

656,246 BBL

R-squared

0.927

type

hyperbolic

Operator History (from monthly production reports)

2021-08 — 2026-07 PIONEER NATURAL RES. USA, INC. 60 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4214HPIONEER NATURAL RES. USA, INC.110,4762021-05-12