Horizontal drilling method and apparatus

Patent Application · Tue Aug 27 00:00:00 EDT 1991

OSTI ID:5795183

Rehm, W A; Trunk, T D; Baseflug, T D; Cromwell, S L; Hickman, G A; Nickel, R D; Lyons, M S

This patent describes an apparatus for drilling a highly deviated well into a petroleum formation the apparatus comprising a drill pipe extending from a surface location to a down-hole drilling assembly through a curved wellbore. It comprises a down-hole motor attached to a bit at a first end, the down-hole motor having a bent housing; a bent sub in the down-hole drilling assembly located above the motor; and a pony collar located between the motor and the bent sub, the pony collar having sufficient mass to substantially hold the motor against a wellbore wall during drilling operations.

• Assignee: Becfield Horizontal Drilling Service Co., Houston, TX (USA)
• Application Number: PPN: US 7-598583
• OSTI ID: 5795183
• Resource Relation: Patent File Date: 15 Oct 1990
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
47 OTHER INSTRUMENTATION
DIRECTIONAL DRILLING
DRILLING EQUIPMENT
DRILL BITS
ELECTRIC MOTORS
ENHANCED RECOVERY
HORIZONTAL INTEGRATION
OIL WELLS
WELL DRILLING
WELL STIMULATION
DRILLING
EQUIPMENT
MOTORS
RECOVERY
STIMULATION
WELLS
020300* - Petroleum- Drilling & Production
440400 - Well Logging Instrumentation