Halliburton
performs first engineered solution and limited emissions drillstem
test in Gulf of Mexico
Posted: 03 May 2004
New methodology could change the industry perception of
exploratory drillstem testing for reservoir evaluation
A division of Halliburton’s Energy Services Group —
Production Optimization — has successfully performed the first
limited emission drillstem test (DST) in the Gulf of Mexico, using
Halliburton’s FasTest system.
The test, conducted in 8,717 feet of water, has provided a successful
evaluation of the reservoir without flaring or offloading hydrocarbons
during operations and was conducted without any lost-time or environmental
incidents from a fifth generation semi-submersible drilling vessel.
Mooring the vessel in 8,717’ of water has set a new record
for maximum depth at which any vessel has been moored.
“A key to the success of the operation is the fact that the
test was an engineered solution from the reservoir to surface rather
than based on conventional operational limitations,” said
Robert Brown, Halliburton’s US Gulf of Mexico operations manager
for testing.
With approval from Minerals Management Services, the test was conducted
without a subsea test tree by maintaining control of the hydrocarbons,
preventing the need to flow hydrocarbons to surface under reservoir
drive. The process, which was repeated four times, achieved four
separate analyzable periods and the recovery of a bulk sample large
enough to prove flow assurance. Client representatives were able
to view and analyze the data onsite via Halliburton’s acoustic
telemetry (ATS) system as well as remotely in real time via Halliburton’s
real time operations (RTO) services.
“Reservoir analysis definitively shows a radius of investigation
reaching far past the zone of damage,” said Brown, “and
demonstrates that the FasTest system yields similar results at a
fraction of the time and cost of conventional drillstem testing.
“This testing achievement is the result of months of planning
and the culmination of years of new technologies and analytical
developments,” Brown said. “The logistical challenges
and on-site delivery success was executed with the highest regard
to safety and preservation of the environment. This method of drillstem
testing will provide our customers more value for their reservoir
evaluation dollars and we look forward to being at the solutions
forefront.”
Halliburton, founded in 1919, is one of the world’s largest
providers of products and services to the petroleum and energy industries.
The company serves its customers with a broad range of products
and services through its Energy Services and Engineering and Construction
Groups.
For more information see www.halliburton.com
Posted by Richard Price,
Editor Pipeline Magazine
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