| Document |
Document Title |
|
7258782 |
An apparatus for sampling a filter layer and a method using the same are disclosed herein. The apparatus includes a cylindrical tube made of a transparent material; a screw installed at a central portion in the cylindrical tube, to be ro...
|
|
6908262 |
A system for driving a large diameter caisson into the ground, comprising a crane assembly, a plurality of vibratory devices, a clamp assembly, a suspension assembly, and a timing system. Each vibratory device generates a vibratory force...
|
|
6820701 |
Visual probes and methods for placing visual probes into subsurface areas in either contaminated or non-contaminated sites are described. In one implementation, the method includes driving at least a portion of a visual probe into the gr...
|
|
6115061 |
A microscope imaging system comprises a tube including a bore and a sidewall having an aperture; an optically transparent window positioned in the aperture; a light source for generating first light signals which are directed at diffuse ...
|
|
5589825 |
A method and apparatus are provided for obtaining measurements from a wellbore during tripping operations. A drilling sub is attached to the drillstring adjacent to or as near as possible to the drillbit before commencing normal drilling...
|
|
5543972 |
A compound type cone mirror installed inside a sonde moving up and down in a borehole for observing the whole circumference of the hole wall at an arbitrary depth at a time, a combined mirror for locally observing the hole wall in detail...
|
|
5123492 |
Methods for visual inspection of subsurface environments by emplacing a substantially visually clear pipe or casing into the subsurface environment and thereafter introducing visual inspection, means, such as a video camera, into the pip...
|
|
5076372 |
An under frame tool bar attachment, for a light truck with a frame having a pair of generally parallel spaced apart frame side bars, includes an elongated tool bar, a pair of mounting assemblies, each adapted for securing the tool bar to...
|
|
4896726 |
A device and method for continuously adding chemicals to a producing oil well to prevent the formation of paraffins, emulsions, scale and to prevent corrosion is described. The device includes an above ground mixing chamber having an inl...
|
|
4796697 |
A device for continuously adding chemicals to a producing oil well to prevent the formation of paraffins, emulsions, scale and to prevent corrosion is described. The device includes an above ground mixing chamber having an inlet and an o...
|
|
3722600 |
Several piles or like elongated elements are driven into the ground simultaneously by a vibrator carried by a platform which is clamped to the several piles. The piles are themselves outside the path of the vibrator. The platform is shif...
|
|
3528514 |
|
|
2779195 |
|
|
2609182 |
|
|
2316024 |
|
|
2167393 |
|
|
1109446 |
|
