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Fulfilling the need for speed: Drill bit designs drilling further, faster

The third iteration of Baker Hughes’ Kymera PDC roller cone hybrid drill bit has been given a sharper and more dense cutting structure to boost ROP and durability in hard carbonates and interbedded rock.

Modern drill bits have improved exponentially over the past several years, but operators continue to raise the bar in terms of expectations for more efficiency and durability. From horizontal wells in North American shales to Middle Eastern wells with 3,000- to 6,500-ft sections and even some deepwater wells using rotary steerable systems, operators now oftentimes expect to drill entire hole sections without tripping out for a new bit. “More than 60% of the sections drilled around the world today are already done with one bit, which means that the primary way to reduce customers’ drilling costs in those sections is to significantly increase ROP,” said Allen White, Product Champion at Smith Bits, a Schlumberger company.

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State bans, law suits could influence the future of hydraulic fracturing in the US

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By Kelli Ainsworth, Editorial Coordinator Hydraulic fracturing, critical to the recovery of North American drilling activities, remains under threat in the US. Several states appear poised to ban hydraulic fracturing, including California and Maryland. Further, several legislation and legal actions are ongoing, including the US Bureau of Land Management (BLM) hydraulic fracturing rule that remains under appeal and a lawsuit in Oklahoma regarding fracturing and seismicity. At the same time, the general public remains very concerned about the effects of hydraulic fracturing – in terms of drinking water quality and induced seismicity, for example. Such concerns continue to drive the actions and decisions for many state agencies. “Perception affects what laws, regulations and bans go into place,” said Michael Gray, ...

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Video demo from IADC HSE conference: How to put your back back in

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Lower back pain is commonly caused by stress or pressure on the discs, which sit between the vertebrae in the spine, Peter Guske, a physical therapist and President of The Back Saver System, said at the 2017 IADC HSE&T Conference in Houston. In this video from the conference on 7 February, Mr Guske demonstrates an exercise that can alleviate back pain when performed regularly. He also explains how overall body strength can help prevent back pain and injury.

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