Method for increasing initial production speed of SAGD (Steam Assisted Gravity Drainage)

• Main Authors: CHEN SEN, ZHANG SHENGFEI, LI XIULUAN, WANG HONGZHUANG, SANG LINXIANG, WANG LIANG, FAN YUXIN
• Format: Patent
• Language: English
• Published: 23.12.2015
• Subjects: EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; FIXED CONSTRUCTIONS; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS

The invention provides a method for increasing initial production speed of SAGD (Steam Assisted Gravity Drainage). The method comprises the steps as follows: minimum principal stress of reservoirs of an oil deposit is ensured to be in the horizontal direction; 2), a steam injection well and a produc...