Hardening
Hardening news and technical articles from Oil & Gas Journal. Search Hardening latest and archived news and articles
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Storms may no longer boost gas prices
… strength that makes US landfall would ultimately be bearish because of demand destruction outweighing supply impacts. "The ' hardening ' of refineries also limits the products shortage scenarios," Sieminski said. "Of course [the strongest] Category 5 …
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Hurricanes may no longer boost gas prices
… strength that makes US landfall would ultimately be bearish because of demand destruction outweighing supply impacts. “The ‘ hardening ’ of refineries also limits the products shortage scenarios,” Sieminski said. “Of course [the strongest] Category …
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Pacific Rubiales seeks downstream integration
… search for growth while diversifying the company’s resource base. Competition for deep conversion refining capacity is hardening regionally. Pacific Rubiales does not plan to buy refinery assets but will move into mitigating the volatility in netbacks …
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TECHNOLOGY More precise pipe wall calculations developed
… purposes, we will use an elastic, linearly hardening stress-strain diagram, which is simpler ..... thickness. Equation 32 for calculating hardening modulus is based on the assumption that ..... 70% of yield strength and the linear hardening lasts up to the yield strength. The …
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Permafrost Cement - Conclusion: Ceramicrete blends produce strong, low-permeability cements for arctic use
… yield a pumping time longer than 5 hr. At the same time, its hardening also took much longer. Click here to enlarge image To reduce ..... time. As MgO content increased, the thickening as well as hardening time became shorter. Thus, adjusting the MgO content allows …
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Doha's collapse will cut energy use the hard way
… is finished. The outlook, though, isn't cheery. If anything, protectionism, especially involving farm products, is hardening . China and India, with growing populations beginning to reap the fruits of industrialization, have received blame for holding …
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New method sets concrete coating’s effect on pipeline stiffness, stress
… describes the second section. The third section of the diagram is linear. The corresponding slope of this line equals the hardening modulus. This part of the diagram extends to ultimate strength from yield strength. • Concrete. Typical stress-strain …
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Doha’s collapse will cut energy use the hard way
… finished. The outlook, though, isn’t cheery. If anything, protectionism, especially involving farm products, is hardening . China and India, with growing populations beginning to reap the fruits of industrialization, have received blame for holding …
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SPECIAL REPORT: BP, Baker run first expandable monobore liner extension system
… Controlled plastic deformation leads to an increase in tensile strength and, subsequently, increased hardness due to cold work hardening . The casing is nominally supplied with a hardness of about 90 Hardness Rockwell ‘B’ scale (HRB); 95HRB max per Baker …
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Equipment / Software / Literature
… generates 25-35% less heat at the contact point (minimizing premature seal failure due to heat checking, blistering, hardening , or lubricant breakdown); generates 20% less friction torque or drag; curbs shaft wear; and provides greater lip lubrication …
