Wheel lifting apparatus
US8651228B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 30, 2013 |
| Grant date | Feb 18, 2014 |
| Priority date | — |
| Expiry date | Apr 30, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V1/143
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention is an electric powered mechanism for lifting and lowering at the wheels for an electric sweep type seismic vibrator source of the type used in seismic prospecting for hydrocarbons. The source uses an engine and generator combination to create electric power for all systems on the source such as driving a frame of linear electric motors that direct a rod or piston to contact the ground in a recurring fashion along with driving the source from location to location through a survey area. Preferably a foot is arranged on the bottom end of the rod or piston for contact with the ground and by engaging the grid of motors to push down against the ground in a rapid progression, acoustic energy is created and delivered into the ground for geophones to sense and record. The electric powered wheel mechanism may be utilized to bring the foot of the rod or piston in contact with the ground or in closer proximity to the ground or level the source prior to emitting the seismic energy or to adjust weight on the acoustic energy delivery system while seismic energy is being delivered.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.