METHOD OF OBTAINING ELECTRIC POWER IN OPERATION OF INJECTION AND DEVELOPMENT WELLS

摘要

FIELD: oil and gas industry.;SUBSTANCE: hydraulic motor and a power generator connected to it through a shaft are lowered on a suspension into the production string of the injection or development well down to a level below the static level of the fluid. The annular space between the bodies of the hydraulic motor and the power generator and the production string are closed by a packer. When the level in the well is increased or lowered by injecting or removing fluid out of the well, due to the fact that the dynamic level always tends to static, the fluid will drive the hydraulic motor and the power generator generating power supplied to the wellhead through an electric cable.;EFFECT: reduction of energy costs and increased efficiency.;2 cl, 2 dwg