|
US2009214299A1
|
|
Method and system for installing geothermal heat exchangers, micropiles, and anchors using a sonic drill and a removable or retrievable drill bit
|
|
US2009211811A1
|
|
Method and system for installing geothermal transfer apparatuses with a sonic drill and a removable or retrievable drill bit
|
|
US2009065255A1
|
|
Method and system for installing geothermal transfer apparatuses with a sonic drill
|
|
CA2599019A1
|
|
A method and system for installing geothermal transfer apparatuses with a sonic drill
|
|
US2008000692A1
|
|
Assembly and method for discharging fluid into a drill string of a rotary-vibratory drill
|
|
US2007151377A1
|
|
Vibratory apparatus for a rotary-vibratory drill
|
|
US2006191719A1
|
|
Method of geothermal loop installation
|
|
CA2133677A1
|
|
Coupling for rotary-vibratory drills
|
|
US5086854A
|
|
Drill pipes for rotary-vibratory drills
|
|
US5027908A
|
|
Bearing apparatus and method for preloading bearings for rotary-vibratory drills
|
