METHOD OF DEVELOPING HYDROCARBON DEPOSITS Russian patent published in 2017 - IPC E21B43/14 E21B47/10 E21B7/06 

FIELD: oil and gas industry.

SUBSTANCE: invention relates to oil and gas industry and may be used in developing hydrocarbon deposits. According to the method, the development of hydrocarbon deposits in the conditions of low-permeability and low-power collectors is envisaged. The hydrocarbon deposit is revealed by a multilateral well with a vertical wellbore and several horizontal wellbores. By means of the vertical wellbore, the initial position of fluidal contacts is revealed. The artificial pitface of the vertical wellbore is placed 10-15 m lower than the fluidal contacts. By the horizontal wellbores the drainage area of the hydrocarbon deposit is enlarged. From the horizontal wellbore hydrocarbon stock is extracted. The vertical wellbore is used for geophysical well survey. The inlet funnel of the tubing string is located above the process "window" of the horizontal wellbore. This provides the possibility of using geophysical equipment for vertical wells. As a result, the same well is used for extracting hydrocarbons, and simultaneously for performing the geophysical monitoring of the bottom water intrusion.

EFFECT: invention provides more efficient development of hydrocarbon deposits.

1 dwg, 1 ex