Ultrasonic logging tool with rotating exposed transducer

Patent · Tue Oct 24 00:00:00 EDT 1989

OSTI ID:7160594

Petermann, S G; Schasteen, T

This patent describes an ultrasonic logging tool for use in a borehole of a well filled with borehole fluid. The tool comprising: a housing; a drive means mounted in the housing; a hollow drive shaft coupled to and adapted to be rotated by the drive means. The drive shaft extending out of the housing; a rotor attached to the drive shaft outside the housing for rotation with the shaft; a transducer means having a surface for emitting ultrasonic pulses and receiving echoes from the pulses; seal means mounted in the housing; and pressure compensating means in the housing.

• Assignee: Atlantic Richfield Co., Los Angeles, CA
• Patent Number(s): US 4876672
• Application Number: PPN: US 7162771A
• OSTI ID: 7160594
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020200* -- Petroleum-- Reserves
Geology
& Exploration
03 NATURAL GAS
030200 -- Natural Gas-- Reserves
Geology
& Exploration
DESIGN
EQUIPMENT
EXPLORATION
EXPLORATORY WELLS
GEOLOGIC DEPOSITS
MINERAL RESOURCES
NATURAL GAS DEPOSITS
PETROLEUM DEPOSITS
PROBES
RESOURCES
SONIC LOGGING
SONIC PROBES
SOUND WAVES
ULTRASONIC WAVES
WELL LOGGING
WELL LOGGING EQUIPMENT
WELLS