METHOD OF SEGREGATION OF FORMATIONS IN WELL

摘要

oil producing industry; applicable in cementing of pipe strings in wells with water-oil zone. SUBSTANCE: method includes running of pipe string with device for isolation of formation into well with water-oil zone; segregation of annular space against water-bearing part of formation from its remaining part and cementing of annular space above and below water-bearing part of formation; cementing of annular space against water-bearing part of formation with the help of device for isolation of formations. EFFECT: improved isolation of formation and increased its productivity. 3 dwg