大位移井具有长水平位移、大井斜角以及长裸眼段的特点。
The extended reach well has such characteristics as large horizontal displacement, great deviation Angle and long open hole interval.
由于地层疏松，该井井斜角较大等造成取心难度大。
Formations were unconsolidated and hole deviation Angle was high, so it was difficult to recover cores from this well.
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