ELWOOD '16-21'

Oil · District 7C · Lease #19356

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

373k BBL

Cum Gas

2.6M MCF

casinghead

Wells

1

Production

2016-06 — 2026-04

Peak Month

2016-07

Production History

Cum Oil: 373,482 BBL Cum Gas: 2,556,280 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,452 BBL/mo

Di (annual)

328.0%

b-factor

1.0

EUR

382,514 BBL

R-squared

0.868

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2016-06 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 56 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4401HPIONEER NATURAL RES. USA, INC.29,9002015-12-11