Drilling pipe for downhole drill motor

Patent · Tue Sep 01 00:00:00 EDT 1987

OSTI ID:6106762

Termohlen, D E

A drilling pipe is described for maintaining electrical connection between the surface and a subsurface location comprising: (a) a first fitting at one end of the pipe; (b) a second fitting at the other end of the pipe adapted to connect with a fitting like that at the first end; (c) a pipe sidewall interconnecting the end fittings and wherein the pipe sidewall substantially comprises a plurality of essentially parallel, tightly packed rods or wires cemented to each other wherein at least one of the rods or wires is electrically conductive and insulated from the rest of the pipe; and (d) an alignment means for making electrical contact between corresponding insulated rods or wires when the first fitting of one of the pipes is connected with the second fitting of another of the pipes.

• Assignee: NOV; NOV-87-079397; EDB-87-167800
• Patent Number(s): US 4690212
• OSTI ID: 6106762
• Resource Relation: Patent File Date: Filed date 25 Feb 1982
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
03 NATURAL GAS
42 ENGINEERING
DRILL PIPES
DESIGN
OPERATION
WELL DRILLING
ALIGNMENT
CONNECTORS
ELECTRIC CONDUCTIVITY
ELECTRIC MOTORS
ELECTRICAL INSULATION
NATURAL GAS WELLS
OIL WELLS
PIPE FITTINGS
RODS
WALLS
WIRES
CONDUCTOR DEVICES
DRILLING
DRILLING EQUIPMENT
ELECTRICAL EQUIPMENT
ELECTRICAL PROPERTIES
EQUIPMENT
MOTORS
PHYSICAL PROPERTIES
PIPES
WELLS
020300* - Petroleum- Drilling & Production
030300 - Natural Gas- Drilling
Production
& Processing
420206 - Engineering- Mining & Drilling Equipment & Facilities- (1980-1989)