METHOD OF REPAIR OF CASED STRING IN WELL WITH DEFECT SECTION AND WITH INTERIOR NARROWING

• Main Authors: ZIJATDINOV RADIK ZJAUZJATOVICH, STRAKHOV DMITRIJ VITAL'EVICH, OSNOS VLADIMIR BORISOVICH, TABASHNIKOV ROMAN ALEKSEEVICH, STERLJADEV JURIJ RAFAILOVICH, MAKHMUTOV IL'GIZAR KHASIMOVICH
• Format: Patent
• Language: English; Russian
• Published: 27.03.2009
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

FIELD: oil and gas industry. ^ SUBSTANCE: invention refers to oil and gas industry, particularly to rectification of corrugated cased strings of wells and restoration of their leak tightness. The method includes evaluation of all information along the defect interval, running and installation of add...