BALL DROPPING TOOL METHOD AND APPARATUS
29-03-2007 дата публикации
Номер:
US2007068679A1
Принадлежит:
Контакты:
Номер заявки: 06-20-4605
Дата заявки: 27-07-2006
In one embodiment a method and apparatus for an improved ball dropper is disclosed. In one embodiment the method and apparatus can be used to drop various objects into the well bore from the rig. In one embodiment, when the well is pressurized the tool can be loaded with one or more items to be dropped.