Connecting head for connecting a cable and a downhole tool and associated intervention device

The head (80) comprises an upper portion for attaching and connecting to a cable (32) and a lower attaching portion for electrically connecting to a control and transmission module (82) of a tool to be lowered in the well. The head (80) comprises a hollow outer enclosure (94) and a mechanical connec...

Full description

Saved in:
Bibliographic Details
Main Authors MICHAUD, CHRISTOPHE, CHATELET, VINCENT
Format Patent
LanguageEnglish
Published 12.07.2012
Subjects
BASIC ELECTRIC ELEMENTS
CURRENT COLLECTORS
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
ELECTRICITY
FIXED CONSTRUCTIONS
LINE CONNECTORS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
Online AccessGet full text

Cover

More Information
Summary:The head (80) comprises an upper portion for attaching and connecting to a cable (32) and a lower attaching portion for electrically connecting to a control and transmission module (82) of a tool to be lowered in the well. The head (80) comprises a hollow outer enclosure (94) and a mechanical connection assembly. The mechanical connection assembly comprises an attaching member (114) and a liner (116) defining an inner lumen (121 ) to receive the attaching member (114) and the lower end of the cable (32) The connecting head (80) defines a first downhole electrical path (70) able to extend from a lower segment (126) of the cable to a first connector of the control and transmission module (82), the first downhole electrical path (70) being completely electrically insulated from the outer enclosure (94).
Bibliography:Application Number: AU20100334884