Schlumberger
commitment to deliver drilling performance
brings powered rotary steerable drilling
Posted: 3 March 2004
PowerDrive vorteX rotary steerable system delivers fast
drilling with reduced risk in hard-rock environments
Schlumberger Oilfield Services today announced the launch of its
PowerDrive vorteX rotary steerable system (RSS) at the International
Association of Drilling Contractors (IADC) in Dallas, Texas. The
system is the newest addition to the Schlumberger PowerDrive family
of rotary steerable tools. Unique attributes of this system design
include a fully integrated high-torque power section that converts
mud hydraulic power to additional mechanical power. Benefits of
the new full-rotation system are fast drilling and a reduction in
nonproductive rig time.
“The power of the rig surface equipment combined with the
downhole high-torque power section of the PowerDrive vorteX system
provides a significant increase in available torque, rotation speed,
and downhole power at the bit,” said Schlumberger Paul Wand,
Business Development Manager, Drilling Technologies. “All
available energy is used to drill the hole efficiently and maximize
the rate of penetration (ROP). The increased revolutions per minute
translate to faster drilling for higher ROP, more efficient drilling,
and longer runs in the toughest environments, such as offshore.”
The PowerDrive vorteX system includes an optional inclination hold
function which allows a tangent or horizontal section to be drilled
automatically, without intervention from the directional driller.
This automatic downhole control makes it possible to drill a holed
section at a higher rate of penetration and with greater accuracy
than can be achieved with a conventional surface-operated control
setup. The system can be stabilized at any of four locations along
its length, and allows the system to be tailored to suit all directional
drilling needs.
In addition to performance drilling in hard-rock formations, the
PowerDrive vorteX system is suitable for rigs that lack the power
to rotate the drillstring during conventional directional drilling.
The PowerDrive vorteX system takes advantage of the unique full-rotation
capability inherent in the PowerDrive product family that offer
a number of benefits, the most important being high rates of penetration
and good hole cleaning. The PowerDrive vorteX integrated power section
increases bit RPM and allows reduced drillstring rotation speed,
preventing damaging downhole vibrations and lowering the risk of
drillstring fatigue and excess casing wear in hole sections with
high doglegs.
The Schlumberger suite of full-rotation rotary steerable services--the
PowerDrive family--delivers leading-edge technology for all directional
drilling environments. They offer exceptional ROP and efficient
hole cleaning in the most demanding applications--kickoff from vertical,
openhole sidetracks, tangent sections, slimhole extended-reach drilling,
long lateral sections, and drilling under harsh conditions at elevated
temperatures.
For more information see: www.oilfield.slb.com/powerdrivevortex
About Schlumberger
Schlumberger is the world's leading oilfield services company supplying
technology, project management and information solutions that optimize
performance for customers working in the oil and gas industry.
The company employs more than 50,000 people of over 140 nationalities
working in 100 countries, and comprises two primary business segments.
Schlumberger Oilfield Services supplies a wide range of products
and services from formation evaluation through directional drilling,
well cementing and stimulation, well completions and productivity
to consulting, software, information management and IT infrastructure
services that support core industry operational processes.
WesternGeco, jointly owned with BakerHughes, is the world's largest
seismic company and provides advanced acquisition and data processing
services. In 2003, Schlumberger operating revenue was $11.5 billion.
For more information, visit www.slb.com.
Posted by Richard Price,
Editor Pipeline Magazine
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