DEVICE AND METHOD FOR UNDERGROUND WELL COMPLETION Russian patent published in 2007 - IPC E21B43/00 E21B47/00 

Abstract RU 2307920 C1

FIELD: oil production, particularly to complete underground well.

SUBSTANCE: device comprises lower tubing string including at least one valve and to be lowered in well. The tubing string is in sealing relationship with at least one packer. At least one valve is arranged under at least one packer and is communicated with at least one reservoir. Upper section including pump to be selectively lowered in well and lifted from well, as well as distributed sensor system are also provided. The sensor system passes through at least one reservoir and may measure temperature profile in at least one reservoir. Device variant including additional technical solutions in comparison with described one is also disclosed.

EFFECT: increased control efficiency for fluid flow from one or several reservoirs or into one or several reservoirs.

3 dwg

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RU 2 307 920 C1

Authors

Patel Dinesh R.

Dates

2007-10-10Published

2005-12-22Filed