Turbine tool

Patent · Tue Jul 07 00:00:00 EDT 1987

OSTI ID:6306214

Lyons, W C

This patent describes a borehole forming operation where a rotary drill bit forms a borehole which extends along a relatively straight line and then makes a turn of a very small radius of curvature and then extends along another relatively straight line as the borehole penetrates a payzone, the method of drilling the borehole comprises the steps of: (1) flowing power fluid down a flexible drill pipe string; the flexible drill pipe string has the capacity of negotiating the turn of very small radius while concurrently conducting the power fluid; (2) attaching a turbine motor having an output shaft to the end of the drill pipe string, and using the power fluid for driving the output shaft of the turbine; (3) series connecting planetary reduction gear assemblies together and to the output shaft of the turbine; the gear assemblies having input and output shafts; and arranging the input and output shafts of the reduction gear assemblies along a common axial centerlines.

• Assignee: NOV; NOV-87-072033; EDB-87-146499
• Patent Number(s): US 4678045
• OSTI ID: 6306214
• Resource Relation: Patent File Date: Filed date 8 Oct 1985
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
03 NATURAL GAS
NATURAL GAS WELLS
ROTARY DRILLING
OIL WELLS
TURBODRILLS
DESIGN
OPERATION
BOREHOLES
DRILL BITS
DRILL PIPES
FLEXIBILITY
GEARS
HYDRAULIC TURBINES
INCIDENCE ANGLE
LUBRICATING OILS
MOTORS
PUMPS
SHAFTS
TORQUE
CAVITIES
DRILLING
DRILLING EQUIPMENT
DRILLS
EQUIPMENT
LUBRICANTS
MACHINE PARTS
MACHINERY
MECHANICAL PROPERTIES
OILS
ORGANIC COMPOUNDS
OTHER ORGANIC COMPOUNDS
PETROLEUM PRODUCTS
PIPES
ROTARY DRILLS
TENSILE PROPERTIES
TURBINES
TURBOMACHINERY
WELLS
020300* - Petroleum- Drilling & Production
030300 - Natural Gas- Drilling
Production
& Processing