Ball-locking setting ball seat

The utility model relates to the field of open hole completion and staged fracturing processes of horizontal wells for oil and gas field exploration, in particular to a ball-locking setting ball seat, which consists of an upper joint (1), an external cylinder (2), a ball locking mechanism (3) and a...

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Main Authors LI YONGGE, CAO ZHONGLIN, LI BAIHUI, YIN HONGKE, WANG CHENG, YANG GUANKE, GUO XIANGLEI, CHEN HEPING, ZHANG YANLING
Format Patent
LanguageChinese
English
Published 03.08.2011
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Abstract The utility model relates to the field of open hole completion and staged fracturing processes of horizontal wells for oil and gas field exploration, in particular to a ball-locking setting ball seat, which consists of an upper joint (1), an external cylinder (2), a ball locking mechanism (3) and a ball seat (4), wherein the ball locking mechanism (3) and the ball seat (4) are arranged inside the external cylinder (2); and the ball locking mechanism (3) adopts the design of a pawl spring structure. The ball-locking setting ball seat is simple and practical, is not limited by a foreign company and is low in cost; the process requirements of the horizontal wells are met; and the defects that the existing setting ball seat matched with the open hole completion and staged fracturing process for the horizontal wells does not have an independent intellectual property and has a high application cost are overcome.
AbstractList The utility model relates to the field of open hole completion and staged fracturing processes of horizontal wells for oil and gas field exploration, in particular to a ball-locking setting ball seat, which consists of an upper joint (1), an external cylinder (2), a ball locking mechanism (3) and a ball seat (4), wherein the ball locking mechanism (3) and the ball seat (4) are arranged inside the external cylinder (2); and the ball locking mechanism (3) adopts the design of a pawl spring structure. The ball-locking setting ball seat is simple and practical, is not limited by a foreign company and is low in cost; the process requirements of the horizontal wells are met; and the defects that the existing setting ball seat matched with the open hole completion and staged fracturing process for the horizontal wells does not have an independent intellectual property and has a high application cost are overcome.
Author LI BAIHUI
WANG CHENG
YANG GUANKE
YIN HONGKE
ZHANG YANLING
CHEN HEPING
GUO XIANGLEI
LI YONGGE
CAO ZHONGLIN
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– fullname: LI BAIHUI
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– fullname: WANG CHENG
– fullname: YANG GUANKE
– fullname: GUO XIANGLEI
– fullname: CHEN HEPING
– fullname: ZHANG YANLING
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RelatedCompanies CHINESE PETROLEUM GROUP CHANGCHENG DRILLING ENGINEERING CO., LTD
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Snippet The utility model relates to the field of open hole completion and staged fracturing processes of horizontal wells for oil and gas field exploration, in...
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SourceType Open Access Repository
SubjectTerms 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 Ball-locking setting ball seat
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