公开(公告)号：WO2020081275A1

公开(公告)日：2020-04-23

申请号：PCT/US2019/055006

申请日：2019-10-07

Applicant: BAKER HUGHES, A GE COMPANY, LLC

Inventor： MURUGESAN, Sankaran ,  SURESH, Radhika ,  KHABASHESKU, Valery N. ,  DARUGAR, Qusai ,  HEATH, Stephen Mark

IPC: G01N21/65 ,  G01N33/28 ,  E21B49/08 ,  G01J3/44

Abstract: A method of analyzing a well sample for a well treatment additive includes contacting the sample with functionalized metallic nanoparticles that contain metallic nanoparticles functionalized with a functional group including a cyano group, a thiol group, a carboxyl group, an amino group, a boronic acid group, an aza group, an ether group, a hydroxyl group, or a combination including at least one of the foregoing; irradiating the sample contacted with the functionalized metallic nanoparticles with electromagnetic radiation at a selected energy level; measuring a Raman spectrum emitted from the sample; and determining presence, type or concentration of the well treatment additive in the sample from the Raman spectrum.