DIAMOND RIO 9-16-B

Oil · District 08 · Lease #54984

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

1.5M BBL

Cum Gas

3.1M MCF

casinghead

Wells

3

Production

2019-12 — 2026-04

Peak Month

2021-08

Production History

Cum Oil: 1,544,181 BBL Cum Gas: 3,140,021 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

89,815 BBL/mo

Di (annual)

367.6%

b-factor

1.2

EUR

2,142,591 BBL

R-squared

0.562

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2019-12 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 14 mo

Wells (3)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
2403HPIONEER NATURAL RES. USA, INC.29,0002020-03-09
2803HPIONEER NATURAL RES. USA, INC.29,6502020-03-09
4203HPIONEER NATURAL RES. USA, INC.223,2402019-05-28