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Differential sticking # 8

Continued from Stuck Pipe 1

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Mechanical causes of stuck pipe

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Hole cleaning # 1

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Hole cleaning # 2

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Hole cleaning # 3

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Hole cleaning # 4

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MDS Pressure/Torque

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MDS Hookload/Torque

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MDS Hookload/Elevator Position

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Chemically active formations

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Mechanical stability # 1

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Mechanical stability # 2

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Comparison of stresses

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Overpressured formations

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High dip sloughing # 1

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Unconsolidated formations

Now Go to Stuck Pipe 3

http://spipe_3.pdf/http://spipe_3.pdf/