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Author Archives: Stephen Whitfield

Concave diamond element bits leverage unique geometry cutters to improve ROP, drilling efficiency

Marcellus and Haynesville case studies show how 3D shaped cutters enhance ROP and drill bit durability in medium-strength, interbedded formations By Wiley Long, Smith Bits, a Schlumberger company Innovation of 3D shaped cutters for polycrystalline diamond compact (PDC) bits is evolving as drilling operators desire to drill faster in challenging and complex geologies, including medium-strength and interbedded formations. Because these formations challenge operators to drill more efficiently, improving rate of penetration (ROP) and drill bit durability is key to helping operators reduce rig time and costs. With drill bits, there are two primary ways that they can contribute to reducing drilling costs: first, by increasing ROP to reduce on-bottom drilling time, and secondly, by increasing durability to eliminate costly bit ...

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Automated directional drilling gaining trust among industry users

Innovations in software continue to enable better predictive capabilities, helping operators achieve repeatability and consistency in their wellbores By Stephen Whitfield, Associate Editor Unpredictable directional drilling performance can have a significant detriment on a drilling operation, leading to higher costs and potentially missed production. While many directional drillers perform at a high level, the practice of accurately predicting drill bit positioning and trajectory is difficult to master, and the human element means that failure is always a possibility. To address these issues, the industry has increasingly looked to automation of directional drilling. Repeatability and consistency are recognized as the bedrock of the value around these automated systems.  “Drilling a record one day and then falling behind your expected days on ...

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Transparency in disclosures and better power management among industry’s key sustainability efforts

Panel session: Building internal commitment to sustainability is important, but so is the need for outside funding that can support carbon reduction initiatives By Stephen Whitfield, Associate Editor The world’s intensifying focus on reducing carbon emissions has placed the oil and gas industry under a microscope, with investors, regulators and the public at large all pushing for investments and improvements around sustainability. While many oil and gas companies have set clear carbon reduction targets, translating those ambitions into measurable results will take time. A panel session at the virtually held 2021 IADC Sustainability Conference on 10 February showcased the work that companies are undertaking to contribute to a low-carbon future. This includes instilling sustainability-focused cultures in their organizations, developing innovative ...

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