We know cranes are crucial to your daily offshore platform and vessel operations, which is why NOV offshore cranes are built for durability in even the harshest environments. Using decades of field experience and performance feedback, we designed a range of standard models to fit your offshore crane. .
Within our extensive range of subsea crane applications, each one delivered with a multilayer active heave compensation (AHC) winch system can be equipped with a. .
With a lifting capacity of 1,000+ T, our heavy-lift (HL) cranes are primarily designed for offshore construction, with AHC hoist arrangements available for deepwater lowering. Special configurations are also available for wind turbine installation. .
In addition to offshore, subsea, and heavy-lift cranes, we support selected domains such as offshore drilling with lifting and handling solutions, which leverage our broad technology.
[pdf] This Handbook is a description of the complex process that comprises drilling a geothermal well. The focus of the detailed Chapters covering various aspects of the process (casing design, cementing, logging and instrumentation, etc) is on techniques and. .
The audience for this Handbook is assumed to be familiar with the general nature of drilling, so there is no attempt to give procedures and guidance for every step needed to drill a. .
This Handbook was funded by the US Department of Energy’s Geothermal Technologies Program and has been made possible with support and guidance from Jay Nathwani.. .
The word "geothermal" comes from the combination of the Greek words gê, meaning Earth, and thérm, meaning heat. Quite literally.
[pdf] Holes could be drilled to increasing depths without the loss of performance since the energy source was always directly behind the drill bit. The system was able to drill in almost all rock conditions that other systems were unable to do.OverviewA down-the-hole drill, usually called DTH by most professionals, is basically a .
DTH is short for “down-the-hole”. Since the DTH method was originally developed to drill large-diameter holes downwards in surface-drilling applications, its name originated from the fact that the percussion mechanis. .
In DTH drilling, the percussion mechanism – commonly called the hammer – is located directly above the drill bit. The drill pipes transmit the necessary feed force and rotation to the hammer and the bit, along with the flui.
[pdf] 
