Prevent spouting simple and easy wellhead assembly

• Main Authors: YIN SHUZHENG, ZHOU LIN, RAN ZHAOHUI, PENG LI, WANG BAOLONG, XUE CHANGCHUN, WEI JIANXIN, CHI CHONGRONG
• Format: Patent
• Language: Chinese; English
• Published: 06.04.2016
• 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

(B, ) the utility model relates to a gusher accuse equipment technical field is prevented in the well drilling, a prevent spouting simple and easy wellhead assembly, it is including boring the well casing head, flange and oil pipe cock, it is hollow T type to bore the well casing head, the lower part suit that bores the well casing head is on the outside of well head and its inner wall support the outward flange at the well head, bore the top fixedly connected with and the first corresponding flange of brill well casing of well casing head, the lower part outer wall of oil pipe cock is according to preface and gas testing preventer inner chamber bottom flange inner wall fixed connection and oil pipe cock, production tree cross inner chamber, bore the first inner chamber of well casing, well head inner chamber intercommunication. The utility model has the advantages of reasonable and compact structure, through with the corresponding flange of well head and the work of mutually supporting of oil pipe cock, reth