发明名称 |
ANORDNING FOR AA KOPLE DATASIGNALER OG EFFEKT ELEKTROMAGNETISK MELLOM APPARATER I EN BROENN OG OVERFLATEN. |
摘要 |
<p>In the representative embodiment of the new and improved apparatus disclosed herein, a downhole tool adapted to be coupled in a pipe string and positioned in a well bore is provided with one or more electrical devices cooperatively arranged to receive power from surface power sources or to transmit and/or receive control or data signals from surface equipment. Unique inner and outer coil assemblies arranged on ferrite cores are arranged on the downhole tool and a suspension cable for electromagnetically coupling the electrical devices to the surface equipment so that power and/or data or control signals can be transmitted between the downhole and surface equipment.</p> |
申请公布号 |
NO882945(D0) |
申请公布日期 |
1988.07.01 |
申请号 |
NO19880002945 |
申请日期 |
1988.07.01 |
申请人 |
SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
VENERUSO, ANTHONY |
分类号 |
E21B17/00;E21B47/12;(IPC1-7):E21B47/00 |
主分类号 |
E21B17/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|