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Drilling equipment with adaptor for steering long boreholes

Boring or penetrating the earth – Processes – Boring curved or redirected bores
Patent

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Drilling method for enlarging a borehole using a kick sub

Boring or penetrating the earth – Processes – Boring curved or redirected bores
Reexamination Certificate

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Drilling of laterals from a wellbore

Boring or penetrating the earth – Processes – Boring curved or redirected bores
Reexamination Certificate

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Drilling string for drilling a bent bore, a method of using said

Boring or penetrating the earth – Processes – Boring curved or redirected bores
Patent

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Drilling technique

Boring or penetrating the earth – Processes – Boring curved or redirected bores
Patent

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Drilling technique for providing multiple-pass penetration of a

Boring or penetrating the earth – Processes – Boring curved or redirected bores
Patent

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Drilling torsional friction reducer

Boring or penetrating the earth – Processes – Boring curved or redirected bores
Patent

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Drivepipe guide and installation method for wells

Boring or penetrating the earth – Processes – Boring curved or redirected bores
Patent

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