Logging, completing extended-reach and horizontal wells
Journal Article
·
· World Oil; (United States)
OSTI ID:5802615
- Western Atlas International, Inc., Houston, TX (US)
The petroleum industry is using highly deviated, extended-reach and horizontal wellbores in ever-increasing numbers. In boreholes up to 45{degrees} off of vertical, standard wireline logging tools will free-fall due to gravity. However, in wellbores angled at greater than 60{degrees}, special hardware systems are required to guide, push or pump the logging tool assembly toward the end of the wellbore, and to log the interval of interest. Accordingly, this article discusses two pipe-conveyed logging systems and a coiled-tubing-conveyed system for logging and perforating extended-reach and horizontal wellbores. Open- and cased-hole field applications are used as a means to review the advantages and possible constraints of these logging and completion technologies.
- OSTI ID:
- 5802615
- Journal Information:
- World Oil; (United States), Journal Name: World Oil; (United States) Vol. 212:3; ISSN 0043-8790; ISSN WOOIA
- Country of Publication:
- United States
- Language:
- English
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