PROCESS OF GROUTING OF CASING PIPE IN WELL

摘要

gas and oil industry. SUBSTANCE: grouting mortar is supplied in agreement with process into hole clearance and is subjected to action of acoustic vibrations with frequency of 20- 100 kHz. Vibrations are generated by source brought into pipe. There is used pipe with outer surface coat of stainless steel having thickness of 0.3-0.5 mm and roughness 40-120 mum. EFFECT: increased ecological safety of oil and gas wells and prolonged service life of casing strings. 1 dwg