发明名称 |
Variable gauge drilling apparatus and method of assembly thereof |
摘要 |
<p>A variable gauge drilling apparatus and a method for assembling a variable gauge drilling apparatus for insertion in a subject borehole. The variable gauge drilling apparatus includes: an apparatus housing having a housing size which is suitable for insertion in a subject borehole which has a subject borehole size within a design range of borehole sizes; a plurality of interchangeable borehole engaging devices having different device sizes for mounting on the apparatus housing to provide the drilling apparatus with a drilling apparatus size within a range of drilling apparatus sizes, wherein the range of drilling apparatus sizes is compatible for use of the drilling apparatus within the design range of borehole sizes; and a universal borehole engaging device mount located on the apparatus housing, wherein the mount is configured to accept for mounting any one of the plurality of interchangeable borehole engaging devices.</p> |
申请公布号 |
GB2407834(B) |
申请公布日期 |
2007.02.14 |
申请号 |
GB20040017745 |
申请日期 |
2004.08.10 |
申请人 |
HALLIBURTON ENERGY SERVICES INC |
发明人 |
TERRANCE DEAN MAXWELL;JULIO GARCIA;NESTOR HUMBERTO GIL;BRYAN JAMES RESTAU;RICHARD T HAY;EDWARD JAMES CARGILL |
分类号 |
E21B17/10;E21B4/18;E21B23/01 |
主分类号 |
E21B17/10 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|