Resources Contact Us Home
Differential energy acoustic measurements of formation characteristic

Image Number 3 for United States Patent #4888740.

A method for acoustically investigating characteristics of formations penetrated by a borehole such as fractures by taking differential Stoneley wave acoustic energy measurements between pairs of receivers of an array of receivers carried by a logging tool. The receivers of each pair all have the same spacing. The energy is that detected by the receivers in response to acoustic pulses generated by a transmitter spaced from the receivers on the tool. The differential energy measurements are stacked to obtain a stacked differential energy log.

  Recently Added Patents
System and methods for obstacle mapping and navigation
Bacterial superantigen vaccines
Embedded bonding pad for image sensors
Flat panel crystal display employing simultaneous charging of main and subsidiary pixel electrodes
System and method for agitation of multiple specimen containers
Method of forming a power supply controller and structure therefor
SIC semiconductor device and method for manufacturing the same
  Randomly Featured Patents
Method for controlling an air cleaner
System and method for reducing RIKS associated with accepting a financial instrument
Rotary brush
Implantable cardiac stimulation device that minimizes parasitic muscle stimulation and method
Substituted thiophenes: compositions, processes of making, and uses in disease treatment and diagnosis
Patio door roller assembly
Master-slave mobile communication system and network domain login method
Apparatus for reverse iontophoresis and method for reverse iontophoresis
Methods and apparatus for transmitting video streams on a packet network
Hinged paperboard container