Monthly Features
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Oil prices are high, but spending has not caught up—yet. Meanwhile, exploration strategies are changing around the world toward a lower-risk model, and the frenzied pace of US M&A has very much cooled off. -
This case study outlines a full-scale testing program focused on the behavior of thermal casing connections subjected to severe bending and low-cycle fatigue loading. -
Disposal wells remain the lowest-cost solution for produced water, but concerns over seismicity and long-term sustainability are accelerating interest in alternatives. -
With millions of wells having been drilled in the US since the beginning of the oil age, the land is pocked with old, unused wellbores. For most, repurposing is a pipe dream. Plugging is the best option. -
This case study from Malaysia’s Petronas outlines a comprehensive review of perforation-charge testing across various tubular and reservoir conditions to help improve production from complex downhole scenarios. -
This case study presents the first field deployment of acoustic fracturing analysis to evaluate perforation efficiency and implement real-time interventions during pressure pumping.
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The Troll field is one of the largest gas producers discovered off Norway, but ensuring its long-term future required finding ways to drill wells in an increasingly fragile formation to develop its rich oil reserves. -
Two years ago, as drillers approached the bottom of a deepwater well in the Lula field, they were stopped again and again by total drilling fluid losses.
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Dual-gradient drilling has long been described as the drilling method of the future for challenging offshore wells. Now, indications show it could start being used with some regularity.
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When discussing dual-gradient drilling, there is an important distinction between controlling wells and well control.
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Dual-gradient drilling covers a variety of methods for managing pressure within an offshore well while drilling. Dual refers to systems built to reduce or eliminate the pressure added by drilling fluid in the riser. The goal is to create distinct pressure gradients above and below the mudline.
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Governments and companies in the Middle East look to carbon capture and storage for reducing environmental impact and boosting oil production.
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A growing chorus of suppliers, researchers, and service companies is persuading US operators to re-examine their use of slickwater in shale plays and consider displacing it with carbon dioxide and nitrogen.
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Diamond-tipped cutters are the leading edge for technology development as companies seek an advantage that will allow customers to drill faster and longer before changing bits.
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The variables defining drill-bit performance cover a lot of ground. There is a lot of attention given to cutters studding diamond drill bits, but just as important are what is in the rest of the drillstring and the decisions made by the driller.
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Many industries are doing their fair share to address climate change and combat greenhouse gas (GHG) emissions. For the oil and gas industry, meeting global and domestic energy demands while addressing climate change presents numerous challenges but also opportunities.
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