Method of horizontal drilling

Details Method of horizontal drilling Method of horizontal drilling

E - Fixed Constructions

21

B

E21B 7/08 (2006.01) E21B 7/04 (2006.01)

Patent

CA 2077299

A METHOD OF HORIZONTAL DRILLING Abstract of the Disclosure A method is disclosed for drilling a well bore having a vertical portion, a curved kick-off portion, and a horizontal portion. The length of the horizontal portion is extended by using drill pipe having an aluminum tube and steel tool joints to reduce the weight of the pipe string in the horizontal portion and reduce the friction resisting movement of the drill pipe along the low side of the well bore. In addition, the length of the joints of aluminum drill pipe is reduced to between 14-16 feet to substantially increase the buckling strength of each joint.

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