发明名称 |
DOWNHOLE TOOL AND METHOD. |
摘要 |
<p>A downhole packer for providing a seal in a well bore to allow integrity testing of well bore with drill ahead capability immediately thereafter has a disengageable packer assembly wherein the packer element may be rendered disengageable by mounting the packer to the string using a tool body (61) provided with a sleeve (62) bearing a packer element (55), wherein the body is initially restrained from movement within the sleeve by engagement of an internal selectively movable retaining element(64). A method of testing a well bore with follow on drilling after disengaging the packer element is described.</p> |
申请公布号 |
MX2012010929(A) |
申请公布日期 |
2012.10.10 |
申请号 |
MX20120010929 |
申请日期 |
2011.03.15 |
申请人 |
M-I DRILLING FLUIDS U.K. LIMITED.* |
发明人 |
JAMES LINKLATER;GORGE TELFER |
分类号 |
E21B33/128 |
主分类号 |
E21B33/128 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|