230000005540 biological transmission Effects 0.000 description 6.230000015572 biosynthetic process Effects 0.000 description 12.239000002131 composite materials Substances 0.000 description 15.229910052451 lead zirconate titanate Inorganic materials 0.000 abstract description 16.239000007788 liquids Substances 0.000 claims description 4.238000005859 coupling reactions Methods 0.000 claims description 5.238000010168 coupling process Methods 0.000 claims description 5.230000000875 corresponding Effects 0.000 claims description 20.238000010304 firing Methods 0.000 claims abstract description 7.239000004568 cements Substances 0.000 title abstract description 63.Status Active legal-status Critical Current Adjusted expiration legal-status Critical Links RELEASE BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). reassignment PROBE TECHNOLOGY SERVICES, INC. Assignors: WELLS FARGO BANK, NATIONAL ASSOCIATION Assigned to PROBE TECHNOLOGY SERVICES, INC. Assigned to PROBE TECHNOLOGY SERVICES, INC. Publication of US7414918B2 publication Critical patent/US7414918B2/en Application granted granted Critical Assigned to WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT reassignment WELLS FARGO BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT SECURITY AGREEMENT Assignors: PROBE TECHNOLOGY SERVICES, INC. SHAW DIRECT CAPITAL PORTFOLIOS, L.L.C., AS AGENT NOTICE OF GRANT OF SECURITY INTEREST IN PATENTS Assignors: PROBE TECHNOLOGY SERVICES, INC. SHAW DIRECT CAPITAL PORTFOLIOS, L.L.C., AS AGENT reassignment D.E. Application filed by Probe Tech Services Inc filed Critical Probe Tech Services Inc Priority to US11/233,985 priority Critical patent/US7414918B2/en Publication of US20070070809A1 publication Critical patent/US20070070809A1/en Priority claimed from US12/145,813 external-priority patent/US7911876B2/en Assigned to WACHOVIA BANK, NATIONAL ASSOCIATION reassignment WACHOVIA BANK, NATIONAL ASSOCIATION SECURITY AGREEMENT Assignors: PROBE TECHNOLOGY SERVICES, INC. Assignors: HURST, BRIAN, MARSHALL, JOHN L. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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Google Patents Method for normalizing signals in a cement bond logging toolÄownload PDF Info Publication number US20070070809A1 US20070070809A1 US11/233,985 US23398505A US2007070809A1 US 20070070809 A1 US20070070809 A1 US 20070070809A1 US 23398505 A US23398505 A US 23398505A US 2007070809 A1 US2007070809 A1 US 2007070809A1 Authority US United States Prior art keywords transducer signal logging tool signals tool Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US20070070809A1 - Method for normalizing signals in a cement bond logging tool US20070070809A1 - Method for normalizing signals in a cement bond logging tool