Desirable bridging plug that bores

• Main Author: FENG JIACUN
• Format: Patent
• Language: Chinese; English
• Published: 30.03.2018
• 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 discloses a desirable bridging plug that bores, including compound aluminum product KQKZ packer, plug, screen pipe, compound aluminum product liquid accuse switch and setting tool, compound aluminum product KQKZ packer is installed at the top of setting tool, the inside of setting tool is provided with compound aluminum product liquid accuse switch, the bottom of setting tool isprovided with the screen pipe, the tubular column is gone into to insert the supporting fishing head who drags for lance and packer before the well and is connected, it cuts the lockpin that drags forbetween head and the center tube to lift the tubular column, the locking piece loses the restraining force and freely throws off, continue to lift behind the certain distance that fishing head drivesthe lock tube and upper cone body goes upward, locking body is two -way to throw off the unfreezing, the packing element is not because of there being the holding power undergauge to be promoted outthe well to the size that is