Rotary-table

A rotary table is a mechanical device on a drilling rig that provides clockwise (as viewed from above) rotational force to the drill string to facilitate the process of drilling a borehole.Rotary speed is the number of times the rotary table makes one full revolution in one minute (rpm).Most rotary tables are chain driven. These chains resemble very large bicycle chains.

Read More

Draw-works

A draw-works is the primary hoisting machinery that is a component of a rotary drilling rig.Drilling Drawworks are skid mounted and designed for continuous drilling service.National Oilwell Varco offers customized designs per customer specifications or standard models.Workover Drawworks are typically integrated into mobile workover or service rigs.

Read More

Mud Pumps

Mud pumps are available in two different product lines. The exact specifications of the product depends on customer requirements. Proven, standardised products characterise the ‘classic line’ mainly used for onshore applications. The products from the ‘premium line’ guarantee the highest quality and a tailor-made solution to suit all customer reqiurements.

Read More

Top Drive

A top drive is comprised of one or more electric or hydraulic motors, which is connected to the drill string via a short section of pipe known as the quill. Suspended from a hook below the traveling block, the top drive is able to move up and down the derrick.Many times, slips are still employed on a rotary table to ensure the drill string does not fall down the well.

Read More