Patents Assigned to NFLUIDS INC.
  • Patent number: 9920233
    Abstract: There is described a drilling fluid for wellbore strengthening having nanoparticles and granular particles. In one aspect described herein, the drilling fluid is an invert emulsion based fluid. In a further aspect, the nanoparticles are iron hydroxide or calcium carbonate, and in a further aspect from about 1 to 30 nm in size. In one aspect described herein, the granular particles are graphite or calcium carbonate and in a further aspect, up to 250 ?m in size. The nanoparticles and granular particles plug fractures in the wellbore to strengthen the wellbore.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: March 20, 2018
    Assignee: NFLUIDS INC.
    Inventors: Maen Moh'd Husein, Geir Hareland
  • Publication number: 20150126415
    Abstract: There is described a drilling fluid for wellbore strengthening having nanoparticles and granular particles. In one aspect described herein, the drilling fluid is an invert emulsion based fluid. In a further aspect, the nanoparticles are iron hydroxide or calcium carbonate, and in a further aspect from about 1 to 30 nm in size. In one aspect described herein, the granular particles are graphite or calcium carbonate and in a further aspect, up to 250 ?m in size. The nanoparticles and granular particles plug fractures in the wellbore to strengthen the wellbore.
    Type: Application
    Filed: July 9, 2013
    Publication date: May 7, 2015
    Applicant: NFLUIDS INC.
    Inventors: Maen Moh'd Husein, Geir Hareland