发明名称 |
SPARK GAP ISOLATED, RF SAFE, PRIMARY EXPLOSIVE DETONATOR FOR DOWNHOLE APPLICATIONS |
摘要 |
An radio frequency (RF) safe, high standoff voltage, ESD protected primary explosive detonator is described. The primary explosive detonator includes an isolated spark gap (SG) circuit and one or more shunt capacitors to insulate the electric match from ignition when exposure to high stray voltage or RF occurs in oilfield applications. |
申请公布号 |
EP2550428(A4) |
申请公布日期 |
2015.07.29 |
申请号 |
EP20110810005 |
申请日期 |
2011.04.26 |
申请人 |
SERVICES PÉTROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;SCHLUMBERGER TECHNOLOGY CORPORATION |
发明人 |
SPRING, CHRISTIAN C. |
分类号 |
E21B43/116;E21B43/1185;F42B3/18 |
主分类号 |
E21B43/116 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|