Matches 1 - 14 out of 14
Match Document Document Title
7397238 Methods and apparatus for inspecting materials  
Apparatus and methods for inspecting materials such as cylindrical and tubular members are disclosed. One apparatus includes a frame that supports a magnetic coil and a detector assembly, the...
7284456 Apparatus for moving a measuring device along a pipe  
The apparatus is for displacing a measurement device along a pipe. The apparatus comprises a bracelet; a support device for supporting the measurement device in relation to the bracelet; at least...
7049810 Apparatus to measure fill  
An apparatus for indicating the wall thickness of a cored welding wire traveling in a given path to determine the percentage of volume of fill. This apparatus comprises a first induction coil...
6483302 Method and apparatus for magnetic inspection of ferrous conduit for wear  
An apparatus for the magnetic inspection of ferrous conduit for signs of wear includes a housing having a first end, a second end and a conduit travel passage extending through the housing from the...
6316937 Method and apparatus for detecting and measuring axially extending defects in ferrous tube  
An apparatus for detecting and measuring axially extending defects in ferrous tube includes a magnetizing coil for inducing a longitudinal magnetic field in the ferrous tube. Linear magnetic...
5963030 Pipe inspection apparatus and process  
An openable ring assembly is externally centered around and moved parallel to the centerline of a stationary pipe. As a low-frequency EM source signal is applied to the ring assembly, the time...
5824906 Pressing tool  
A measurement apparatus is disclosed for a pipe joint assembly (27, 63, 92, 103, 116) to detect the depth of penetration of a pipe end into a press fitting. The measurement apparatus is...
5541509 Electrical cable jacket and conductor eccentricity detector including energizing coil formed about a toroid core and movable pickup coil  
An apparatus for use in determining the thickness of the insulated coating of an electrical cable manufactured in an extrusion process having means for generating an alternating current in the...
5432444 Inspection device having coaxial induction and exciting coils forming a unitary coil unit  
An inspection device has an exciting coil for generating an electromagnetic field and an induction coil which are integrally connected to each other a coaxial relation so as to induce mutual...
5377553 Transducer support device  
A transducer support device is provided which when employed with magnet flux leakage detectors renders the detectors sufficiently compact and lightweight to facilitate use thereof at the wellhead...
5245279 Apparatus and method including flux injector pole position sensors for detecting physical flaws in ferromagnetic objects  
A direct-current electromagnetic device for nondestructively detecting localized discontinuities in ferromagnetic objects is disclosed. The device comprises an adjustable dc excitor means, a...
5030911 Method and apparatus for displaying defects in tubular members on a two-dimensional map in a variety of display modes  
A method and apparatus for determining the extent of defects in tubular elements for use in an oil or gas well is disclosed. The apparatus includes an electromagnetic or other suitable inspection...
4710712 Method and apparatus for measuring defects in ferromagnetic elements  
A method and apparatus for determining the extent of defects in ferromagnetic tubular elements comprising a continuous string for use in an oil or gas well is disclosed. The tubing trip tool...
4698590 Method and apparatus for measuring velocity of ferromagnetic tubing  
A tubing trip tool for use in determining the extent of defects in tubular elements comprising a continuous string used in a subterranean oil or gas well during removal of the string from the well...
Matches 1 - 14 out of 14