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公开(公告)号:US20100006290A1
公开(公告)日:2010-01-14
申请号:US12170362
申请日:2008-07-09
申请人: James E. Saylor, III , Thomas D. Helbert , Marc Henderson , Joseph V. Hebert , Trygve Berthelsen , Randall Louis Hebert , Malcolm Perschke , A. J. Dach , Harshad Patil , Praful Desai
发明人: James E. Saylor, III , Thomas D. Helbert , Marc Henderson , Joseph V. Hebert , Trygve Berthelsen , Randall Louis Hebert , Malcolm Perschke , A. J. Dach , Harshad Patil , Praful Desai
IPC分类号: E21B29/00
CPC分类号: E21B31/16
摘要: Methods of removing casing from a wellbore, the method including disposing a drilling tool assembly in a wellbore, the drilling tool assembly including a cutting device, a spearing device, and a jarring device. The methods further including activating the cutting device, cutting a first casing segment, deactivating the cutting device and activating a spearing device. The method further including engaging the spearing device with the first casing segment, activating the jarring device to free the first casing segment, and removing the first casing segment from the wellbore.
摘要翻译: 从井眼去除套管的方法,所述方法包括将钻具组件设置在井眼中,所述钻具组件包括切割装置,穿刺装置和刺耳装置。 所述方法还包括激活切割装置,切割第一壳体部分,去激活切割装置并激活穿刺装置。 所述方法还包括使所述穿刺装置与所述第一壳体段接合,启动所述振动装置以释放所述第一壳体段,以及从所述井筒移除所述第一壳体段。
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公开(公告)号:US07762330B2
公开(公告)日:2010-07-27
申请号:US12170362
申请日:2008-07-09
申请人: James E. Saylor, III , Thomas D. Helbert , Marc Henderson , Joeseph V. Hebert , Trygve Berthelsen , Randall Louis Hebert , Malcolm Perschke , A. J. Dach, III , Harshad Patil , Praful C. Desai
发明人: James E. Saylor, III , Thomas D. Helbert , Marc Henderson , Joeseph V. Hebert , Trygve Berthelsen , Randall Louis Hebert , Malcolm Perschke , A. J. Dach, III , Harshad Patil , Praful C. Desai
IPC分类号: E21B29/00
CPC分类号: E21B31/16
摘要: Methods of removing casing from a wellbore, the method including disposing a drilling tool assembly in a wellbore, the drilling tool assembly including a cutting device, a spearing device, and a jarring device. The methods further including activating the cutting device, cutting a first casing segment, deactivating the cutting device and activating a spearing device. The method further including engaging the spearing device with the first casing segment, activating the jarring device to free the first casing segment, and removing the first casing segment from the wellbore.
摘要翻译: 从井眼去除套管的方法,所述方法包括将钻具组件设置在井眼中,所述钻具组件包括切割装置,穿刺装置和刺耳装置。 所述方法还包括激活切割装置,切割第一壳体部分,去激活切割装置并激活穿刺装置。 所述方法还包括使所述穿刺装置与所述第一壳体段接合,启动所述振动装置以释放所述第一壳体段,以及从所述井筒移除所述第一壳体段。
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