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Friday, September 5, 2008

CASING DRILLING® SERVICES

What is CASING DRILLING® Technology?

TESCO, has invested $25 million and five years of intensive research and development in elevating the revolutionary CASING DRILLING® process from an experimental procedure to a proven success. The CASING DRILLING® process uses standard oilfield casing to drill the well and then leaves it in place to case the well. This process makes it possible to speed up drilling 20 to 30 percent or more, by eliminating drill-string tripping and the problems associated with it. Drill bits and other downhole tools are lowered and retrieved via wireline inside the casing and latched to the bottom-most joint of casing. This safer and more efficient process will change forever how wells are drilled.



Almost any drilling rig can be adapted to use TESCO's CASING DRILLING® technology. Rigs with existing top drive systems are readily converted, either permanently or temporarily, by installing a wireline system for running and retrieving the drilling tools. Portable TESCO Top Drive Drilling Systems can be easily installed on rigs without top drives. Converted rigs lose none of their conventional capabilities.

CASING DRILLING® delivers all of the functionality of conventional drillpipe drilling, including:

* Vertical or directional;
* Steerable motor assemblies
* Rotary steerable systems;
* Logging while drilling;
* Coring;
* Retrievable or non-retrievable systems.

TESCO is the industry leader in providing CASING DRILLING® technology, and is the only provider of a complete offering including equipment, planning and engineering services including well programming, and field supervision and project management services.

Benefits of the CASING DRILLING® Process

Experienced TESCO crews are available to operate the CASING DRILLING® rig and to supply and operate specialized down hole tools to operators, drilling contractors and service companies. TESCO’s CASING DRILLING® system has been used to drill hundreds of well intervals and millions of feet of hole since its introduction in 1999. The benefits are significant.

For operators, CASING DRILLING®:

* Reduces drilling time and lowers costs
* Improves wellsite safety and well control
* Reduces unscheduled events
* Provides a quicker return on investment
* Lessens environmental impact

For drilling contractors, CASING DRILLING®:

* Eliminates the need for drillpipe and drill collars
* Eliminates the need for double and triple masts and heavy setback areas
* Makes rig moves easier
* Reduces labour requirements
* Reduces fuel consumption and wear on equipment
* Lessens the chance of pipe-handling incidents
* Lowers capital requirements

For service companies, CASING DRILLING®:

* Opens up a new service market
* Provides an additional application for existing tools and an opportunity to develop new tools to gain market share
* Extends tool life by protecting tools during running and retrieval
* Reduces time and risk in recovering from downhole tool failure


For additional information, please see the CASING DRILLING® Services brochure by clicking on the icon in the resources column on the right side of your screen.

To learn how TESCO’s innovative technology can improve drilling efficiency and safety in your organization, please contact our corporate headquarters in Houston, TX.

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