Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eni SpafiledCriticalEni Spa
Priority to MYPI20022224ApriorityCriticalpatent/MY133469A/en
Publication of MY133469ApublicationCriticalpatent/MY133469A/en
METHOD FOR THE CENTRALIZATION OF DRILL CASINGS FOR APPLICATIONS OF THE LEAN PROFILE TYPE, BOTH VERTICAL AND OFF-LINE,COMPRISING THE FOLLOWING OPERATIONS: APPLICATION ON THE CASING SECTION IN QUESTION, OF AN ADHERENCE STRIP EQUIPPED WITH ONE OR MORE HOUSINGS AND RAPID ADJUSTABLE LEVER CLOSURE; INSERTION OF SUITABLE MOULDS IN THE HOUSINGS OF WHICH THE STRIP IS EQUIPPED; INJECTION INTO THE MOULDS OF PLASTIC MATERIAL CHARACTERIZED BY A HIGH MECHANICAL RESISTANCE, A HIGH DEGREE OF SURFACE ADHESION AND RESISTANCE TO ABRASION BY FRICTION, AND ALSO IN-PLACE ELASTICITY, HIGHER THAN THE ELASTICITY OF THE CASINGS; REMOVAL OF THE ADHERENCE STRIP ONCE THE HARDENING OF THE PLASTIC MATERIAL IN THE SHAPE OF THE MOULD, HAS BEEN COMPLETED.(FIG 2)
MYPI20022224A2002-06-132002-06-13Method for centralising a tight fitting casing in a borehole
MY133469A
(en)