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Wellbore Surveying

Are you concerned on a challenging geological target interception, or Well collision avoidance? Designing a complex platform exit strategy? Managing your large well surveying database? K&M team has the unique capabilities and expertise to provide support on the key aspects of the Surveying Management: Surveying Management Process Advance Surveying Techniques Anti-collision and Survey QA/QC Relief …

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Weak Points

The weak point of a string won’t necessarily occur at surface and won’t necessarily occur in the smaller/weaker pipe either (if running a taper string). In the example shown the weak point does not occur at surface, nor does it occur in the “weaker” 4½” drill pipe. The weak point actually occurs at around 600’ …

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Max Overpull

Your Maximum Overpull can be well below the tension limit of your drill pipe? That shallow doglegs can greatly reduce your maximum overpull?What is happening: What your drill pipe feels during an overpull even is not just tension – but is a combined load of tension, torque (if present), and bending. Shallow doglegs can cause …

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Breakover Torque

Breakover (static) torque after connections can be a reliable indicator that the drill string is getting differential stuck. While drilling, connection practices should be tailored to capture the relevant data: Rotate FIRST after a connection (no up-down movement of the string) Record peak torque (i.e. breakover) values Compare to the dynamic off bottom torque In …

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