Work types of coiled tubing
Coiled tubing technologies:
  • Flushing of bottom holes under overburden on formation, under burden on formation, equal balance;
  • Flushing of bottom holes with anomalously low formations pressure by nitrate or foam liquids;
  • Splitting of hydrate-paraffin jams at annular space;
  • Washout of hydrate-paraffin jams in oil well tubing;
  • Washout of hydrate-paraffin jams in oil well tubing with foreign objects;
  • Washout of hydrate-paraffin jams and oil-pitch deposits pipelines, oversize vessels;
  • Washout of propping agent from tubing hanger and from bottom - hole area;
  • Cleaning of bottom-hole area from free propping agent after hydraulic fracturing;
  • Acid treatment of productive strata of acting borehole, boreholes with formation-pressure maintenance;
  • Deeply extending acid treatment, acid treatment of horizontal boreholes;
  • Wiper trip of oil well tubing and boreholes survey with lead impression blocks;
  • Removal of foreign objects from the borehole (lift) by means of rotary tillage and by extraction;
  • Hydraulic cutting of oil well tubing;
  • Sparing and selective bullhead well control, capping a well during RIH/POOH operation;
  • Selective arrangement of blocking liquids along the well shaft;
  • Chemical washout and cleaning of bottom-hole area;
  • Vibratory-percussion treatment of bottom-hole zone;
  • Thermo chemical clamping of prop pant RSP in stratum;
  • Bore-hole survey: determination of borehole potential, bottom hole temperature, pressure and etc.;
  • Geophysical survey of boreholes by means of instruments with self-contained power supply which is lowered by a flexible pipe of coil tubing: electrical logging, gamma-ray logging, radiation logging, impulse neutron-neutron logging and etc.