DEVELOPMENT METHOD OF DEPOSITS OF HIGH-VISCOSITY OIL OR BITUMENS Russian patent published in 2013 - IPC E21B43/24 E21B7/04 

Abstract RU 2494241 C1

FIELD: oil and gas industry.

SUBSTANCE: development method of deposits of high-viscosity oil or bitumens involves drilling of injection and production horizontal wells with location of a working face of an injection well above middle part of horizontal production well, pumping of heat carrier through injection wells, extraction of product through production horizontal wells with monitoring of the product temperature; when allowable temperature is exceeded, a packer is installed and its further transfer in a production well for extraction in a section of horizontal shaft with lower temperature. An injection well is drilled above a production well in its direction. A packer is installed after break of heat carrier from injection well to production well with creation of hydrodynamic communication between those wells for cutout of heat carrier break section. At further break of heat carrier from injection well to production well above the installed packer, it is reinstalled in series above heat carrier break sections.

EFFECT: increasing oil recovery, increasing the coverage range of the formation with an agent acting with simultaneous cost reduction.

1 dwg

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RU 2 494 241 C1

Authors

Khisamov Rais Salikhovich

Bakirov Il'Shat Mukhametovich

Idijatullina Zarina Salavatovna

Arzamastsev Aleksandr Ivanovich

Osnos Lilija Rafagatovna

Fedorov Aleksandr Vladislavovich

Dates

2013-09-27Published

2012-03-29Filed