发明名称 |
DOWNHOLE ACTUATING APPARATUS |
摘要 |
<p>DOWNHOLE ACTUATING APPARATUS A mechanical counting device for actuating a plurality of output devices, the device comprising: linear indexing means adapted to count a plurality of actuating signals and to cause actuation of the output devices when a predetermined number of actuating signals for each output device has been received, wherein the mechanical 10 counting device is adapted to cause actuation of a particular output device when a different predetermined number of actuating signals has been received such that the output devices are sequentially actuable. (u. coo</p> |
申请公布号 |
AU2015202039(A1) |
申请公布日期 |
2015.05.14 |
申请号 |
AU20150202039 |
申请日期 |
2015.04.22 |
申请人 |
PETROWELL LIMITED |
发明人 |
SMITH, COLIN;PURKIS, DANIEL GEORGE |
分类号 |
E21B23/04;E21B21/10;E21B23/00;E21B34/14 |
主分类号 |
E21B23/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|