发明名称 |
System, apparatus and method for facilitating retrieval of an item from a well |
摘要 |
A system for facilitating retrieval of an item from a well comprises a grapple (20), and a cutting tool (30) arranged therebelow. Expulsion means (122, 154) for expelling fluid under pressure are disposed above said cutting tool (30). |
申请公布号 |
AU2172399(A) |
申请公布日期 |
1999.08.09 |
申请号 |
AU19990021723 |
申请日期 |
1999.01.22 |
申请人 |
WEATHERFORD/LAMB INC.;BRIAN RONALD LUCAS |
发明人 |
GEOFFREY OWEN ROUSE;ANDRE NOLE BROUSSARD;RICHARD JAMES SNR. SEGURA;MARK WILLIAM SCHNITKER;SHANE PAUL HART |
分类号 |
E21B31/16;E21B31/18 |
主分类号 |
E21B31/16 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|