MARY 18-7A-AZ

Oil · District 7C · Lease #19484

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

685k BBL

Cum Gas

1.9M MCF

casinghead

Wells

1

Production

2016-12 — 2026-04

Peak Month

2017-01

Production History

Cum Oil: 684,987 BBL Cum Gas: 1,901,158 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

8,219 BBL/mo

Di (annual)

15.2%

b-factor

0.0

EUR

649,670 BBL

R-squared

0.318

type

exponential

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2016-12 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 50 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4202HPIONEER NATURAL RES. USA, INC.29,7002016-03-28