Method of drilling and completing wells

Details Method of drilling and completing wells Method of drilling and completing wells

1994-11-22

1998-12-01

Novosad, Stephen J.

Boring or penetrating the earth

With signaling, indicating, testing or measuring

Tool position direction or inclination measuring or...

175 61, 175 41, 175107, 166278, 166358, 166296, 166366, E21B 704, E21B 4304, E21B 4308, E21B 47022

Patent

active

058425284

ABSTRACT:
A method and apparatus for drilling and completing a bore hole is disclosed. Generally, the method comprises the steps of positioning a workstring in the well, with the workstring having attached thereto a bottom hole assembly. The bottom hole assembly may contain a bit for rotary drilling a bore hole; and, a drilling motor, operably associated with the bit, for effecting rotation to said drilling means. The method further includes the steps of circulating a fluid in the workstring so that the motor effects rotation of the bit means; and, drilling the bore hole through a target reservoir. In one embodiment, the workstring string is a production string, and the production string is attached to an isolation safety valve member for isolating the well and the bore hole from pressure.

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