MCWILLIAMS HEIRS A

Oil · District 01 · Lease #17799

Operator: VIRTEX OPERATING COMPANY, INC.

Cum Oil

110k BBL

Cum Gas

254k MCF

casinghead

Wells

1

Production

2013-11 — 2026-04

Peak Month

2014-08

Production History

Cum Oil: 109,921 BBL Cum Gas: 253,840 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

3,840 BBL/mo

Di (annual)

70.6%

b-factor

0.4

EUR

106,895 BBL

R-squared

0.697

type

hyperbolic

Operator History (from monthly production reports)

2023-09 — 2026-07 TRAILBLAZER ENERGY RESOURCES,LLC 35 mo
2013-11 — 2023-08 VIRTEX OPERATING COMPANY, INC. 118 mo

Wells (1)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
8HRTRAILBLAZER ENERGY RESOURCES,LLC27,5002013-08-15