CORMAC 8-17-A

Oil · District 7C · Lease #20642

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

764k BBL

Cum Gas

3.6M MCF

casinghead

Wells

2

Production

2019-02 — 2026-04

Peak Month

2019-03

Production History

Cum Oil: 764,017 BBL Cum Gas: 3,559,018 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

45,496 BBL/mo

Di (annual)

163.5%

b-factor

0.8

EUR

1,085,141 BBL

R-squared

0.940

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2019-02 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 24 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4302HPIONEER NATURAL RES. USA, INC.29,0222018-08-22
4401HPIONEER NATURAL RES. USA, INC.29,3422018-08-22