Exact Adjustable Wellhead System
Simple design and advanced external adjustment drive to enhance safety and reduce installation time
The Exact-10 adjustable wellhead system was developed specifically to reduce rig installation time and enhance safety. The system is suitable for jackup drilling applications up to 10,000-psi working pressure where adjustment from mudline to surface is required for exploration and predrilling.
The Exact-15 adjustable wellhead system is rated for 15,000-psi working pressure and is suitable for HPHT applications. Reduced installation times, no separate tension equipment requirement, and availability for full-sized and slimhole casing programs are among the benefits of Exact systems.
- Wellhead is installed under full diverter and BOP control
- FastLock quick wellhead connector is used for fast makeup connection
- 8 in of adjustment is available on all surface hangers
- Indicator pins ensure that a 13 3/8-in surface hanger is correctly engaged
- An advanced external adjustment drive is used for 9 5/8-in casing hangers
- System provides the ability to land, tension, adjust the landing ring, and lock the 9 5/8-in adjustable casing hanger in a single trip
- Solid landing shoulders and a positive lock mechanism increase surface hanger landing integrity
- Number of BOP installations is reduced
- Shorter installation times lead to increased cost savings
- Reduced manual handling enhances safety
- Rental systems are readily available from stock
- No separate tension equipment is required for any casing string