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Hardening

Hardening news and technical articles from Oil & Gas Journal. Search Hardening latest and archived news and articles

  1. Appropriate practices avoid tube fitting failures

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    Mon, 7 Oct 2002

    … to the back ferrule (Fig. 3). The nitride hardening of the ferrule led to the failure, although ..... the fitting manufacturer, considered nitride hardening as the best ferrule hardening technology at the time of the fitting's manufacturing …

  2. Russian field tests yield cements for arctic wells

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    Mon, 21 May 2007

    … kinetic deviations during the hydration of hardening cement in contrast to hydration at normal ..... mechanism was the basis to design materials hardening at temperatures below freezing, including ..... crystallization is a limiting stage of the hardening process. Correspondingly, by adding …

Related Topics:

  1. Refinery Operations
  2. Refinery
  3. Refinery Upgrade
  4. Refinery Construction
  5. Crude Oil Refinery
  6. Refinery Expansion
  1. Changes proposed for determining line pipe wall thickness

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    Mon, 21 Feb 2005

    … to pressures uses an elastic, linear hardening stress-strain diagram (showing the ..... proposed equation for calculating the hardening modulus is based upon the assumption ..... of the yield strength, and linear hardening lasts up to the yield stress (Equation …

  2. DRILLING CONSORTIUM—2 (Conclusion): Drilling campaign obtains continuous improvement

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    Mon, 1 Aug 2011

    … experiences and best practices in similar incidents. The project meetings for the following wells decided to continue using rapid hardening industry cement systems for the 30-in. casing.2 The next sections frequently included foam cement for improving well …

  3. Russians study annulus cement in Arctic wells

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    Mon, 28 Aug 2006

    … Form a tight cement sheath. Hydration, hardening The processes of Portland cement hydration ..... use thermal methods to intensify cement hardening (heating the mixing liquid; squeezing ..... destruction. This is achieved by: Cement hardening under absolute values of negative temperature …

  5. UFRJ, Petrobras study strength behavior of expandable tubulars

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    Mon, 17 Nov 2008

    … pressure. The modeling took into account material kinematic hardening , contact between tubulars and the conical expander, and ..... elastic-plastic material behavior. We followed a kinematic hardening plasticity model in addition to the isotropic model in order …

  6. OGJ Newsletter

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    Mon, 18 Oct 2010

    … crippling local refinery operations. While the transportation strikes and others seem to be easing, industrial action is hardening at refineries throughout the country as well as at port terminals. Compagnie Industrielle et Maritime (CIM) at Le Havre …

  7. Pacific Rubiales Energy seeks downstream market integration

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    Mon, 15 Nov 2010

    … 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 …

  8. Strikes continue to cripple French refinery operations

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    Wed, 13 Oct 2010

    … crippling local refinery operations. While the transportation strikes and others seem to be easing, industrial action is hardening at refineries throughout the country as well as at port terminals. Compagnie Industrielle et Maritime (CIM) at Le Havre …

  9. Storms may no longer boost gas prices

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    Mon, 23 Aug 2010

    … 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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