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Technical Article

  • Planning for success even in failure

    Planning for success even in failure Back in May, Stewart talked about maximizing combined torque and tension in the event…

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  • HOW DO WE ESTABLISH MAX OVERPULL/TORQUE ON A TAPERED DRILL-STRING?

    HOW DO WE ESTABLISH MAX OVERPULL & TORQUE ON A TAPERED DRILL-STRING?   Determining the maximum overpull which can be…

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  • PLANNING FOR SUCCESS EVEN IN FAILURE

    PLANNING FOR SUCCESS EVEN IN FAILURE   Back in May, Stewart talked about maximizing combined torque and tension in the…

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  • CASING CENTRALIZATION (HOW MANY, WHAT TYPE, SHOE-TRACK CONFIGURATION?)

    CASING CENTRALIZATION (HOW MANY, WHAT TYPE, SHOE-TRACK CONFIGURATION?)   Casing centralisers are available in a bewildering variety of types and…

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  • DON’T FORGET WHAT YOU’VE FORGOTTEN

    DON'T FORGET WHAT YOU'VE FORGOTTEN The issue of Corporate Amnesia or Corporate Memory Loss has long been identified as having…

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  • ERD Missing Pieces

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  • Let’s Get This Straight

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  • DO CUTTINGS BED IMPELLERS WORK?

    Do cuttings bed impellers work?

    DO CUTTINGS BED IMPELLERS WORK? There are several tools available which claim to improve hole cleaning in high inclination hole…

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  • Different types of casing / liner shoes. What is used in ERD? How long a rathole should we leave?

    Different types of casing / liner shoes. What is used in ERD? how long a rathole should we leave?

    DIFFERENT TYPES OF CASING / LINER SHOES. WHAT IS USED IN ERD? HOW LONG A RATHOLE SHOULD WE LEAVE? It…

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  • Some aspects of Casing / Liner flotation

    Some aspects of casing / liner flotation

    SOME ASPECTS OF CASING / LINER FLOTATION On extreme ERD wells casing flotation could be the only option for long…

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