|
AU1094388A
|
|
Automated pipe racking apparatus
|
|
US4834604A
|
|
Pipe moving apparatus and method
|
|
US4725179A
|
|
Automated pipe racking apparatus
|
|
US4598509A
|
|
Method and apparatus for raising and lowering a telescoping mast
|
|
US4615508A
|
|
Apparatus for skidding a load on a support
|
|
US4587778A
|
|
Method and apparatus for erecting a drilling rig mast
|
|
JPS6026795A
|
|
Derick for drilling oil well
|
|
IT8321978D0
|
|
Oil well drilling derrick
|
|
GB8317586D0
|
|
Oil well drilling derrick crown blocks
|
|
NL8302280A
|
|
Oil well drilling derrick - with adjustable fast line sheave, dead line sheave and crown block mounted on horizontal crown beams
|
|
CA1186678A
|
|
Infinitely variable crown block positioning
|
|
US4390162A
|
|
Infinitely variable crown block positioning
|
|
US4375892A
|
|
Oil well drilling rig mover
|
|
JPS56111787A
|
|
Racking device for pipe stand
|
|
US4324077A
|
|
Method of moving a drilling rig long and short distances
|
|
US4171032A
|
|
Safety support for safety belts
|
|
US4163625A
|
|
Movable working platform for use in racking drill pipe
|
|
US4172684A
|
|
Floor level pipe handling apparatus
|
|
US4094051A
|
|
Method of making sheaves
|
|
CA1044218A
|
|
Pipe handling apparatus for oil well drilling derrick
|
