Patent ID: 9068412
Filing Date: 2015-06-30
Classification: E21B,H01B,H01R

Abstract:
1. A head for connecting a cable to an intervention and/or measuring tool to be lowered in a well, the cable having a smooth outer surface and being able to deploy the tool in the well comprising: an upper portion for attaching and connecting to the cable; and a lower attaching portion for electrically connecting to a control and transmission module of the tool, the head comprising a hollow outer enclosure and a mechanical connection assembly received in the hollow outer enclosure, the mechanical connection assembly comprising: an attaching member; a liner defining an inner lumen to receive the attaching member and the lower end of the cable, the attaching member being able to grip the cable in the liner; wherein the connecting head defines a first downhole electrical path able to extend from a lower segment of the cable to a first connector of the control and transmission module, the first downhole electrical path being completely electrically insulated from the outer enclosure and wherein the mechanical connection assembly comprises an electrically insulating sleeve electrically insulating the attaching member and the liner from the enclosure.