HP/HT Client Brochure - Halliburton
HP/HT Client Brochure - Halliburton
HP/HT Client Brochure - Halliburton
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HIGH PRESSURE/HIGH TEMPERATURE (<strong>HP</strong>/<strong>HT</strong>)<br />
Controlling Well Direction While Opening Hole in<br />
<strong>HP</strong>/<strong>HT</strong> Deepwater Vertical Well Saves Customer Millions<br />
Location: Mediterranean<br />
Challenge<br />
A vertical well needed to be drilled in the deepwater,<br />
high pressure high temperature (<strong>HP</strong>/<strong>HT</strong>) environment<br />
of the Mediterranean Sea, where maximum temperature<br />
and pressure were approximately 390°F (199°C) and<br />
20,000 psi (138 MPa). Several casing strings would be<br />
required and hole opening would be needed for the<br />
majority of hole sections. Also, hole verticality, especially<br />
in the upper section, was considered crucial to minimize<br />
the potential dangers of excessive torque and drag.<br />
<strong>Halliburton</strong> Solution<br />
The Geo-Pilot® system was run in the vertical drilling<br />
mode in tandem with the under reamer for several<br />
different intervals. The Geo-Pilot system with Geo-Span®<br />
downlink service was mobilized where historically in<br />
offset wells, formations had naturally built angle. At<br />
the final total depth of approximately 22,000 feet<br />
(6,700 m), the offset from the wellhead was below<br />
110 ft (33.5 m), giving an average inclination from<br />
the surface to bottomhole location of only 0.3°.<br />
Economic Value Created<br />
Being able to control well direction and open the hole<br />
at the same time saved the customer an estimated<br />
US $1.8 million to US $4.5 million, depending on<br />
what other method of drilling could have been used.<br />
www.halliburton.com<br />
Sales of <strong>Halliburton</strong> products and services will be in accord solely with the terms and conditions<br />
contained in the contract between <strong>Halliburton</strong> and the customer that is applicable to the sale.<br />
H07779 02/11 © 2011 <strong>Halliburton</strong>. All Rights Reserved.