Horizontal well intelligence segmentation water injection technology tubular column of taking in and send out

• Main Authors: WANG WEI, YAO BIN, HU GAIXING, ZHANG SUIWANG, HE RUXIAN, SHEN XIAOLI, WANG SHOUHU, CHEN LI, WANG XIAO'E, WANG JUNTAO
• Format: Patent
• Language: Chinese; English
• Published: 08.02.2017
• 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 utility model provides a horizontal well intelligence segmentation water injection technology tubular column of taking in and send out, include sleeve pipe, oil pipe and locate the safety joint of oil pipe front end and the horizontal well bottom valve of oil pipe end, be provided with at least three horizontal well intelligence water injection mandrel between safety joint and the horizontal well bottom valve on the oil pipe, the oil pipe cover is equipped with a horizontal well packer between adjacent two horizontal wells intelligence water injection mandrel, and wherein, a horizontal well centralizer is all installed to the end of the front end of first horizontal well packer and final horizontal well packer. The utility model provides a horizontal well intelligence segmentation water injection technology tubular column of taking in and send out can not only the satisfaction level well takes in and send out the multistage and divides and annotate, has higher injection speed and lower injection pressure,