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 | , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
03.08.2011
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Subjects | |
Online Access | Get full text |
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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. |
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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 |
Author_xml | – fullname: LI YONGGE – fullname: CAO ZHONGLIN – fullname: LI BAIHUI – fullname: YIN HONGKE – fullname: WANG CHENG – fullname: YANG GUANKE – fullname: GUO XIANGLEI – fullname: CHEN HEPING – fullname: ZHANG YANLING |
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Notes | Application Number: CN20102665532U |
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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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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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