ALEXANDRIA, Va., June 25 -- United States Patent no. 12,338,717, issued on June 24, was assigned to SCHLUMBERGER TECHNOLOGY Corp. (Sugar Land, Texas).
"Downhole ignition assembly" was invented by Erick Lowe (Houston), Hari Prakash Kalakonda (Pune, India), Atsushi Nakano (Rosharon, Texas) and Bertha Wang (Houston).
According to the abstract* released by the U.S. Patent & Trademark Office: "A downhole ignition assembly is described herein. The downhole ignition assembly has a switch container having a longitudinal axis, the switch container having a first portion that accommodates a switch circuit in an orientation transverse to the longitudinal axis, and a second portion that contacts an igniter disposed in the second portion, the first po...