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Drill Pipe

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

  1. SPECIAL REPORT: Tests validate new drill pipe buckling model

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    Mon, 7 Feb 2011

    … Drillscan Montreuil, France A new drill pipe buckling model provided excellent ..... hand, failed to predict observed drill pipe buckling behavior. This is the first ..... Paslay proposed buckling behavior of drill pipe in inclined wellbores,3 based on …

  2. Model predicts drill pipe fatigue in horizontal wells

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    Mon, 3 Feb 1997

    … helps predict the endurance limit of drill pipe used in medium and short radius horizontal wells. Drill pipe fatigue, and subsequent failure, can be a major problem when drill pipe is rotated in short radius build …

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  1. North Sea data yield insight on fatigue life of drill pipe

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    Mon, 8 Jan 2007

    Failure of drill pipe due to fatigue is very costly problem ..... today can predict only about 20% of drill pipe life. Environmental conditions can change ..... drilling parameters on the fatigue life of drill pipe . Fatigue Fatigue refers to changes in …

  2. Carbon-fiber drill pipe passes tests

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    Mon, 24 Feb 2003

    … lightweight, jointed, flexible drill pipe engineered from space-age composites ..... and commercializing this composite drill pipe with steel connections. The rig ..... of ACPT. In deepwater drilling, drill pipe weight is important because a lighter …

  3. INDUSTRY LIKELY TO FACE DRILL PIPE SHORTAGE

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    Mon, 3 Sep 1990

    There is likely to be a drill pipe shortage in the next 1824 months. And the drill pipe situation is just an example of what ..... be tremendous pent up demand for drill pipe in the next 24 months," says Nicholson …

  5. Equations predict drill -pipe fatigue in Middle East operations

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    Mon, 10 Jul 2000

    … s modified equations can be used to predict drill pipe fatigue damage in horizontal and directional wells ..... typically in the form of cracks, occurred in the drill pipe and heavy-weight drill pipe (HWDP) used by land rigs operating in the Middle …

  6. DRILL PIPE MANAGEMENT EXTENDS DRILLSTRING LIFE

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    Mon, 28 Oct 1991

    … handling procedures and frequent drill pipe inspections prolong the life of a ..... rigs could expend $60 million on drill pipe -the construction cost of a well ..... force identified four basic causes of drill pipe failures: Tool joint and tube OD …

  7. BP to cut Macondo drill pipe ; swap BOP

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    Mon, 6 Sep 2010

    … it and to install another BOP. Plans called for the drill pipe going down into the blown-out Macondo well to be left ..... Remotely operated vehicles then will be used to cut off the drill pipe below it. If the gentle tug fails, then BP plans to …

  8. BP to cut Macondo drill pipe ; swap BOP

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    Fri, 27 Aug 2010

    … pieces of pipe inside it. Plans currently call for the drill pipe going down into the well to be left in place, National ..... Remotely operated vehicles then will be used to cut off the drill pipe below it. If the gentle tug fails, then BP plans to open …

  9. LOGGING WITH COILED TUBING LESS EFFECTIVE THAN WITH DRILL PIPE

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    Mon, 31 Jan 1994

    … economic nor operational advantages over drill pipe for conveying logging tools in open ..... were conveyed by coiled tubing or drill pipe . MEEG attempted to log five wells ..... possible helical lockups. In wells with drill pipe -conveyed logs, the tool combination …

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