发明名称 |
Oil and gas well kick detector |
摘要 |
Acoustic signals are propagated through the drilling fluid in a well being drilled and reflected acoustic energy from the vicinity of the bottom of the well is displayed, as well as reflections from any kicking medium so as to give advance warning of a possible blow-out.
|
申请公布号 |
US4273212(A) |
申请公布日期 |
1981.06.16 |
申请号 |
US19790006832 |
申请日期 |
1979.01.26 |
申请人 |
WESTINGHOUSE ELECTRIC CORP. |
发明人 |
DORR, JOHN A.;NOMM, MATT |
分类号 |
E21B21/00;E21B21/08;E21B47/10;G01V1/46;(IPC1-7):G01V1/40 |
主分类号 |
E21B21/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|