CORMAC '17-20'

Oil · District 7C · Lease #19804

Operator: PIONEER NATURAL RES. USA, INC.

Cum Oil

560k BBL

Cum Gas

3.6M MCF

casinghead

Wells

2

Production

2017-09 — 2026-04

Peak Month

2017-10

Production History

Cum Oil: 559,649 BBL Cum Gas: 3,648,607 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

42,105 BBL/mo

Di (annual)

273.3%

b-factor

0.9

EUR

767,405 BBL

R-squared

0.949

type

hyperbolic

Operator History (from monthly production reports)

2021-02 — 2026-07 PIONEER NATURAL RES. USA, INC. 66 mo
2017-09 — 2021-01 PARSLEY ENERGY OPERATIONS, LLC 41 mo

Wells (2)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
4311HPIONEER NATURAL RES. USA, INC.29,0002017-02-03
4411HPIONEER NATURAL RES. USA, INC.29,4002017-02-03