TDS-4 Offshore Top Drive頂驅(qū)備件-NOV Varco
In today's offshore environment where uptime is critical, drilling contractors and operators are demanding top drive systems that work every time, all the time.
We provide a complete line of top drive systems for all types of fixed installations - from the typical production platform to the largest deepwater exploration vessels. You can count on our top drive systems to be there for you every time, all the time.
Offshore Engineering Advancements
Our top drive systems have been at the forefront of offshore drilling for decades and that experience has driven us to provide world-class drilling systems that are rugged, reliable and offer the performance needed for today's demanding well profiles. Typical features of the fixed installation top drive system include top drives that run on fixed guide rails in the derrick, permanent services installations and integrated control systems. These installations are designed to install one-time and remain there for years. That's why our engineers spend countless hours designing, refining and optimizing our top drive systems to be the most durable and most reliable on the market.
Description
The TDS-4S is NOV’s prime large bore DC top drive. This tool’s high performance series or shunt single motor design incorporates the high torque and speed performance needed in deep water drilling. The TDS-4 has built its reputation on handling the heavy drilling environments needed offshore.
This 750 ton top drive has been in service and operation since 1988 and over 350 units have been in service since that time. This tool’s high demand has been sparked by the growing offshore industry and the need to pursue deeper and harder drilling applications. Although considered a mature product, its high demand in the top drive market today is a tribute to its robust and reliable reputation built on years of drilling experience.
Specifications
• 750 ton hoisting capacity (API 8C)
• 1x 1,110 hp DC motor
• 7,500 PSI working pressure
• Max Intermittent Torque 67,000+ ft-lbs
• Max RPM: 260