Decundi Inspection Services, Logo
Phone: (713) 466-1535      Fax: (832) 243-9195 NMSDC
7907 Machala Lane, Houston, TX 77040


Other inspection services which are offered by Decundi Inspection Services relates to the installation of API 5CT Casing downhole into Production Well.  Decundi have several inspection personnel who have carried out inspection for our clients during the installation of API 5CT Casing string, downhole in Production Well.  Before installation of Casing string, downhole in Production Well, our inspection personnel carry out inspections for the heat numbers on each Casing joint and verify that the heat number matches with the heat numbers shown on the various Material Test Reports (MTRs) for the Casing.  In conjunction with the review of MTRs, Decundi inspection personnel carry out wall thickness measurement of each Casing string to be installed into the Production Well for assurance that the wall thickness of the Casing is in compliance with the wall thickness shown on the MTRs. During the installation of Casing string downhole into the Production Well carried out via means of a Workover Rig equipped with an elevator for hoisting each Casing joint plus Slips for securing the Casing joint in place while the weld preparation at the end of each Casing is being prepared for welding; that Decundi inspection personnel carry out inspection for the weld preparation for verification that the bevels are in accordance with the WPS and also that the bevels are free of kerf from torch cutting and chatter and are smooth.  For mitigation of possible weld defect, Decundi inspector also carry out inspection for the removal of rust approximately 1” on the OD and ID on the end of the Casing joint to be welded.  Our inspection personnel also assure that Centralizers are installed on every other Casing joint and in addition, a Lock Collar is installed below and above each Centralizer. Visual and dimensional inspections is also carried out for the fit up of every Casing joint forming the string, downhole into Production Well and the inspection checks are for verification that the required root opening, landing and included angle are present at the end of Casing joint so that the required full penetration weld will be achieved after welding.  Decundi inspection personnel also review the X-ray film for assurance that there is no relevant indication in the X-ray film.  Decundi Inspection Services hope that we can offer these services for the installation of Casing string, downhole into your next Production Well.