Drilling and Completion Challenges

Complex casing designs

• HTHP wells
• Wells with pore pressure issues
• Low-fracture gradients

• Restricted completion sizes
• Gravel pack optimization

Wellbore problems

• Lost circulation
• ECD problems
• Creeping salts
• Swelling shales
• Swabbing problems
• Wellbore stability problems
• Sloughing/ Cave-ins

Solutions

NOV Downhole Borehole Enlargement maintains the most complete range of hole opening tools in the industry. No matter what your challenge, NOV Downhole’s ReedHycalog® industry leading Bi-Center bits, eccentric string reamers, concentric string reamers and on-demand Anderreamer™ string tools deliver record-setting performance time after time. Each has its optimal use and we have the experience to help select the best option for each application. Every single option offered eliminates the need for separate underreaming runs. All tools can be fitted with Raptor® TReX® technology thermostable PDC cutters.

Proven Performance

• Over 6,000 drillouts with Bi-Center bits
• Over 40% of all runs in directional wellbores
• Build rates up to 30°/100 feet
• Thermostable Raptor®/TReX® cutters more than triple the life of Bi-Center bits in abrasive applications
• Up to nine hole opening intervals in a single run
• Eliminates separate underreamer runs
• Facilitates running casing
• Improves logging and cementing
• Allows re-entry wells (enlarged hole through casing window)
• Enables coiled tubing applications

• Drill-Out Bi-Center Bits (CSD®)
• SpeedReamer® Bits
• Concentric String Tools
• Eccentric String Tools
• Hydraulic Anderreamer™ Tool
• Hydro-Mechanical Anderreamer™ Tool