MCWILLIAMS HEIRS A

Oil · District 01 · Lease #15060

Operator: VIRTEX OPERATING COMPANY, INC.

Cum Oil

484k BBL

Cum Gas

3.4M MCF

casinghead

Wells

8

Production

2009-05 — 2026-04

Peak Month

2012-07

Production History

Cum Oil: 483,973 BBL Cum Gas: 3,395,806 MCF

RRC production reported through Apr 2026 · recent months incomplete

Decline Curve Analysis

qi

17,553 BBL/mo

Di (annual)

125.6%

b-factor

0.6

EUR

382,753 BBL

R-squared

0.900

type

hyperbolic

Operator History (from monthly production reports)

2023-09 — 2026-07 TRAILBLAZER ENERGY RESOURCES,LLC 35 mo
2009-05 — 2023-08 VIRTEX OPERATING COMPANY, INC. 172 mo

Wells (8)

WELL#APIOPERATORPERMITSDEPTHLAST_ISSUED
1HTRAILBLAZER ENERGY RESOURCES,LLC212,0002011-11-03
6HTRAILBLAZER ENERGY RESOURCES,LLC17,0002011-06-10
2HTRAILBLAZER ENERGY RESOURCES,LLC113,0002011-04-05
5TRAILBLAZER ENERGY RESOURCES,LLC17,0002010-03-01
4TRAILBLAZER ENERGY RESOURCES,LLC17,0002010-01-08
3TRAILBLAZER ENERGY RESOURCES,LLC17,0002009-07-28
1BTRAILBLAZER ENERGY RESOURCES,LLC27,0002008-12-05
1TRAILBLAZER ENERGY RESOURCES,LLC17,0002008-11-18