Setting ball seat

Setting ball seat

The utility model discloses a tubular-column-matched setting ball seat which is used for the technology of horizontal well barefoot well completion staged fracturing in oil fields and gas fields. The setting ball seat comprises an upper connector (1), a ball seat body (3), an outer cylinder (7), a s...

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Hauptverfasser: ZHANG DAFEI, CAO HUI, GE JIWEI, LIN LI'NA, ZHAO ZHENDONG, HA WENLEI, YANG GUANKE, LI ZHAOXING, ZHAO LIQIN, ZHANG XIAOFENG, LI YONGGE, ZHU ZHENGXI, CHEN PING, GAO LEI, LIU FUXI, ZHAO WENLONG, ZHENG WEI, CHEN HEPING
Format: Patent
Sprache:chi ; eng
Schlagworte:
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
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creator ZHANG DAFEI
CAO HUI
GE JIWEI
LIN LI'NA
ZHAO ZHENDONG
HA WENLEI
YANG GUANKE
LI ZHAOXING
ZHAO LIQIN
ZHANG XIAOFENG
LI YONGGE
ZHU ZHENGXI
CHEN PING
GAO LEI
LIU FUXI
ZHAO WENLONG
ZHENG WEI
CHEN HEPING
description The utility model discloses a tubular-column-matched setting ball seat which is used for the technology of horizontal well barefoot well completion staged fracturing in oil fields and gas fields. The setting ball seat comprises an upper connector (1), a ball seat body (3), an outer cylinder (7), a sliding sleeve outer cylinder (2) and a limiting cylinder (6), wherein the outer cylinder (7) is connected with outer threads of the lower end of the upper connector (1), the upper end of the sliding sleeve outer cylinder (2) is connected with inner threads of the lower end of the upper connector (1), the lower end of the sliding outer cylinder (2) is connected with the limiting cylinder (6) in a threaded mode, the ball seat body (3) is installed inside the sliding sleeve outer cylinder (2) and connected with the limiting cylinder (6) through a shearing pin (4), through holes (8, 9) are formed in the cylinder wall of the sliding sleeve outer cylinder (2) and the side wall of the ball seat body (3), and a locking spr
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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
title Setting ball seat
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