US Patent Issued to Schlumberger Technology on July 14 for "Discrete multitone based wireline telemetry system for single-mode telemetry applications" (Japanese, American, French Inventors)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,683,649, issued on July 14, was assigned to Schlumberger Technology Corp. (Sugar Land, Texas).

"Discrete multitone based wireline telemetry system for single-mode telemetry applications" was invented by Nalin Weerasinghe (Sagamihara, Japan), Adolfo Leon Recio (Clamart, France), Hiroshi Nomura (Sagamihara, Japan) and Robert W. Tennent (Katy, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides techniques and apparatus for discrete multitone (DMT) modulation communications for single-mode telemetry. An example technique involves a surface acquisition module initiating a first training sequence with a downhole telemetry modu...