国家/地区 美国（2）
IPC部 E（2）
IPC大类 E21（2）
IPC小类 E21B（2）
IPC
发明人
公开年
申请年 2016（2）
专利权人 BAKER HUGHES INC（2）

Photodetector for downhole tool e.g. sampling tool for performing downhole operation, has graphene tunneling photodetector that is located within housing which is configured along carrier, and configured to perform downhole operation.

DIFOGGIO R

Manufacture of swellable article for e.g. sealing device, involves arranging graphene-based material in matrix material, exfoliating graphene-based material in article to facilitate swelling upon exposure to selected fluid by sorbing.

MAZYAR O A, GOODSON J E