Dabber formula sleeve pipe headstock sealing well well head

• Main Authors: ZHOU LIN, RAN ZHAOHUI, PENG LI, YANG WENLONG, WANG BAOLONG, HE ENLI, CHI CHONGRONG
• Format: Patent
• Language: Chinese; English
• Published: 17.05.2017
• 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 relates to a technical field of oil field wellhead device, a dabber formula sleeve pipe headstock sealing well well head, it includes right gate valve, right side connecting leg, right side tee bend, left side connecting leg, left side tee bend, right side gate valve fixed mounting is in the bypass on casing head right side, be provided with first gate valve on the right side of cross, right side tee bend links to each other with first gate valve is fixed, the one end of right side connecting leg links to each other with right tee bend is fixed, the other end of right side connecting leg links to each other with right gate valve is fixed, be provided with the second gate valve in the left side of cross, left side tee bend links to each other with the second gate valve is fixed, the one end of left side connecting leg links to each other with left tee bend is fixed, the other end of left side connecting leg links to each other with left gate valve is fixed. The utility model has the advantage