公开(公告)号：US09556712B2

公开(公告)日：2017-01-31

申请号：US14224312

申请日：2014-03-25

Applicant: Chevron U.S.A. Inc.

Inventor： Luis Phillipe Costa Ferreira Tosi ,  H. Mitchell Cornette ,  David R. Underdown

IPC: E21B41/00 ,  E21B41/08 ,  E21B43/08

CPC classification number: E21B41/0085 ,  E21B43/086

Abstract: The present invention is directed to methods for harnessing flow-induced electrostatic energy in a tubular length and using this energy to power electrical devices (e.g., flowmeters, electrically-actuated valves, etc.). The present invention is also directed to corresponding systems through which such methods are implemented.

Abstract translation: 本发明涉及用于以管状长度利用流动感应静电能并利用该能量为电气装置（例如，流量计，电致动阀等）供电的方法。 本发明还涉及实现这些方法的相应系统。

公开(公告)号：US09685890B2

公开(公告)日：2017-06-20

申请号：US14224328

申请日：2014-03-25

Applicant: Chevron U.S.A. Inc.

Inventor： Luis Phillipe Ferreira Costa Tosi ,  H. Mitchell Cornette ,  David R. Underdown

IPC: E21B41/00 ,  H02N3/00 ,  E21B43/08

CPC classification number: H02N3/00 ,  E21B41/0085 ,  E21B43/086

Abstract: The present invention is directed to methods for harnessing flow-induced electrostatic energy in a tubular length and using this energy to power electrical devices (e.g., flowmeters, electrically-actuated valves, etc.). The present invention is also directed to corresponding systems through which such methods are implemented.