With nearly 75 years of rich history working closely with customers both on and off the oil and gas fields, Wellbore Integrity Solutions is committed to continuing this solid legacy foundation as we move forward creating new history. We have the quality products and services in our brands DRILCO, Thomas Tools and TrackMaster, to name a few, that deliver results. Wellbore Integrity Throughout The Life Of The Well.
1946
SERVCO Founded.
1953
DRILCO Oil Tools Inc. Founded.
1961
Thomas Tools Founded as
Premium Drill Pipe
Rental Provider.
1963
SERVCO Merged with
Smith International.
Smith International.
1967
DRILCO Merged with
Smith International.
Smith International.
1971
DRILCO wins Petroleum Engineering award for Hevi-Wate™ Heavy
Wall Drill Pipe.
1974
Opening of the Rankin Rd. Manufacturing Campus,
Houston, TX.
Houston, TX.
1993
Smith International
acquired
A-Z/Grant.
A-Z/Grant.
1994
Thomas Tools merged with
W-H Energy Services.
W-H Energy Services.
1995
TrackMaster™ introduced.
Also awarded special meritorious engineering award for innovation and efficiency for the TrackMaster one-trip window-milling system.
Also awarded special meritorious engineering award for innovation and efficiency for the TrackMaster one-trip window-milling system.
1996
Smith International acquired
Red Baron Fishing.
Red Baron Fishing.
1997
Smith International acquired
Tri-Tech Fishing, and Houston Engineers (HE).
Tri-Tech Fishing, and Houston Engineers (HE).
2002
Thomas Tools added Thomas
Tubing Specialists Inspection
Division.
2008
W-H Energy Services merged with Smith International.
2010
Schlumberger acquired Smith International.
2016
Introduction of ProMILL™ for
well abandonment.
well abandonment.
2019
WIS acquires former Smith International businesses DRILCO,
Fishing & Remedial, and Thomas Tools from Schlumberger.