Переводник для долота 3 1/2" IF BOX x 3 1/2" REG BOX ;API CERTIFICATION

Прямой subs: Б/у to connect drill stem members that have a similar OD.

Reduced-section sub: Б/у to connect drill stem members that have different diameters that warrant the cross-sectional change necessary to accommodate different Соединения.

Saver sub: Б/у to extend the life of the rotary kelly by taking the Соединение wear each time it is made up to a drill stem component.

Долото sub: Размер availability ranges from 3 1/8” to 11” OD and 36” to 48” length.

Lift sub: A lift sub enables the safe, efficient handling of Прямой OD tubular—such as drill collars, shock tools, jars, directional equipment, and other tools—by using the drill pipe elevators.

Top drive sub: Top drive subs serve as the sacrificial element between the drill string and the top drive, reducing repair and maintenance costs.Drill subs are an important integral part of everyday drilling.