ELWOOD #16-21

Oil · District 7C · Lease #19418

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

226k BBL

Cum Gas

2.2M MCF

casinghead

Wells

1

Production

2016-06 — 2026-04

Peak Month

2016-10

Production History

Cum Oil: 226,388 BBL Cum Gas: 2,221,260 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

19,881 BBL/mo

Di (annual)

141.9%

b-factor

0.3

EUR

240,113 BBL

R-squared

0.850

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
4403HPIONEER NATURAL RES. USA, INC.210,0002016-02-01