ELWOOD 16 AND 21

Oil · District 7C · Lease #19358

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

367k BBL

Cum Gas

1.3M MCF

casinghead

Wells

1

Production

2016-06 — 2026-04

Peak Month

2016-06

Production History

Cum Oil: 367,230 BBL Cum Gas: 1,263,315 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

20,930 BBL/mo

Di (annual)

205.7%

b-factor

0.8

EUR

408,766 BBL

R-squared

0.915

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
4202HPIONEER NATURAL RES. USA, INC.29,6002016-01-11