Expandable liner hanger deployed after CDD

When ConocoPhillips decided to conduct Casing Directional Drilling (CDD) operations from a platform in the Norwegian North Sea, the well design required that the drilled-in 7-in. production casing string be converted into a liner before completion. A liner hanger system was required that would be su...

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Bibliographic Details
Published inWorld Oil Vol. 230; no. 4
Main Authors BOURASSA, Kevin, HUSBY, Tove, WATTS, Rick, NUSSBAUM, Chris, WOOD, Peter
Format Magazine Article Trade Publication Article
LanguageEnglish
Published Houston, TX Gulf 01.04.2009
Gulf Publishing Co
Subjects
Applied sciences
Buildings and facilities
Crude oil, natural gas and petroleum products
Design and construction
Drilling
Drilling platforms
Ductility
Energy
Exact sciences and technology
Fuels
Hydraulic machinery
Hydraulics
Innovations
Installation
Load
Offshore oil wells
Petroleum industry
Process engineering
Thermal cycling
United States
North Sea
Liner
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Summary:When ConocoPhillips decided to conduct Casing Directional Drilling (CDD) operations from a platform in the Norwegian North Sea, the well design required that the drilled-in 7-in. production casing string be converted into a liner before completion. A liner hanger system was required that would be suitable for CDD operations, that did not require a running tool, would maintain a full ID for running and retrieving BHAs and would act as a barrier against gas migration over the life of the well.
ISSN:0043-8790
2831-6304