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1. 发明申请

US20150191979A1 DRILL BIT WITH SELF-ADJUSTING PADS 有权
标题翻译：钻头与自调节垫
公开(公告)号：US20150191979A1
公开(公告)日：2015-07-09
申请号：US14516340
申请日：2014-10-16
申请人： Jayesh R. Jain , Benjamin Baxter , Chaitanya Vempati , Steven Radford , Gregory L. Ricks , Miguel Bilen , Holger Stibbe , Volker Peters
发明人： Jayesh R. Jain , Benjamin Baxter , Chaitanya Vempati , Steven Radford , Gregory L. Ricks , Miguel Bilen , Holger Stibbe , Volker Peters
IPC分类号： E21B10/62 , E21B10/42 , E21B3/00
CPC分类号： E21B10/62 , E21B3/00 , E21B10/42 , E21B10/54 , E21B2010/622
摘要： In one aspect, a drill bit is disclosed, including: a bit body; a pad associated with the bit body; a rate control device coupled to the pad that extends from a bit surface at a first rate and retracts from an extended position to a retracted position at a second rate in response to external force applied onto the pad, the rate control device including: a piston for applying a force on the pad; a biasing member that applies a force on the piston to extend the pad at the first rate; a fluid chamber associated with the piston; and a pressure management device for controlling a fluid pressure within the fluid chamber.
摘要翻译：一方面，公开了一种钻头，包括：钻头体; 与钻头体相关联的垫; 耦合到所述焊盘的速率控制装置，所述速率控制装置响应于施加到所述焊盘上的外力而以第一速率从钻头表面延伸并且以延伸位置以缩回位置以第二速率缩回，所述速率控制装置包括：活塞用于在衬垫上施加力; 偏压构件，其在所述活塞上施加力以以所述第一速率延伸所述垫; 与活塞相关联的流体室; 以及用于控制流体室内的流体压力的压力管理装置。

2. 发明授权

US09708859B2 Drill bit with self-adjusting pads 有权
公开(公告)号：US09708859B2
公开(公告)日：2017-07-18
申请号：US14516340
申请日：2014-10-16
申请人： Jayesh R. Jain , Benjamin Baxter , Chaitanya Vempati , Steven Radford , Gregory L. Ricks , Miguel Bilen , Holger Stibbe , Volker Peters
发明人： Jayesh R. Jain , Benjamin Baxter , Chaitanya Vempati , Steven Radford , Gregory L. Ricks , Miguel Bilen , Holger Stibbe , Volker Peters
IPC分类号： E21B10/62 , E21B10/54 , E21B10/42 , E21B3/00
CPC分类号： E21B10/62 , E21B3/00 , E21B10/42 , E21B10/54 , E21B2010/622
摘要： A drill bit includes a bit body; a pad associated with the bit body; a rate control device coupled to the pad that extends from a bit surface at a first rate and retracts from an extended position to a retracted position at a second rate in response to external force applied onto the pad. The rate control device includes a piston for applying a force on the pad; a biasing member that applies a force on the piston to extend the pad at the first rate; a fluid chamber associated with the piston; and a pressure management device for controlling a fluid pressure within the fluid chamber.

3. 发明申请

US20080105464A1 MOVEABLE BLADES AND BEARING PADS 有权
标题翻译：可移动刀片和轴承垫
公开(公告)号：US20080105464A1
公开(公告)日：2008-05-08
申请号：US11875241
申请日：2007-10-19
申请人： Steven Radford
发明人： Steven Radford
IPC分类号： E21B10/32
CPC分类号： E21B10/322 , E21B4/00 , E21B4/04 , E21B7/00 , E21B10/32 , E21B17/1014 , E21B34/14 , E21B44/005 , E21B47/18 , E21B2034/007
摘要： An expandable reamer apparatus and methods for reaming a borehole, wherein a laterally movable blade carried by a tubular body may be selectively positioned at an inward position and an expanded position. The laterally movable blade, held inwardly by blade-biasing elements, may be forced outwardly by drilling fluid selectively allowed to communicate therewith by way of an actuation sleeve disposed within the tubular body. Alternatively, a separation element may transmit force or pressure from the drilling fluid to the movable blade. Further, a chamber in communication with the movable blade may be pressurized by way of a downhole turbine or pump. A ridged seal wiper, compensator, movable bearing pad, fixed bearing pad preceding the movable blade, or adjustable spacer element to alter expanded blade position may be included within the expandable reamer. In addition, a drilling fluid pressure response indicating an operational characteristic of the expandable reamer may be generated.
摘要翻译：一种用于铰链钻孔的可扩展铰刀装置和方法，其中由管状体承载的横向可移动刀片可以选择性地定位在向内位置和扩张位置。通过刀片偏置元件保持在内侧的可横向移动的刀片可以通过钻取选择性地允许通过设置在管状体内的致动套筒与之连通的流体来向外推动。或者，分离元件可将来自钻井流体的力或压力传递到可动叶片。此外，与可动叶片连通的室可以通过井下涡轮或泵来加压。可扩展铰刀内可以包括脊状密封刮水器，补偿器，活动轴承瓦块，可动刀片之前的固定轴承瓦块或可调节的间隔件以改变扩大的刀片位置。此外，可以产生指示可扩展铰刀的操作特性的钻井液压力响应。

4. 发明申请

US20080105465A1 EXPANDABLE REAMER FOR SUBTERRANEAN BOREHOLES AND METHODS OF USE 有权
标题翻译：可膨胀的耐火材料及其使用方法
公开(公告)号：US20080105465A1
公开(公告)日：2008-05-08
申请号：US11875651
申请日：2007-10-19
申请人： Steven Radford , Mark Kizziar
发明人： Steven Radford , Mark Kizziar
IPC分类号： E21B10/26
CPC分类号： E21B10/322 , E21B4/00 , E21B4/04 , E21B7/00 , E21B10/32 , E21B17/1014 , E21B34/14 , E21B44/005 , E21B47/18 , E21B2034/007
摘要： An expandable reamer apparatus and methods for reaming a borehole are disclosed, including at least one laterally movable blade carried by a tubular body selectively positioned at an inward position and an expanded position. The at least one movable blade, held inwardly by at least one blade-biasing element, may be forced outwardly by drilling fluid selectively allowed to communicate therewith or by at least one intermediate piston element. For example, an actuation sleeve may allow communication of drilling fluid with the at least one movable blade in response to an actuation device being deployed within the drilling fluid. Alternatively, a chamber in communication with an intermediate piston element in structural communication with the movable blade may be pressurized by way of a movable sleeve, a downhole turbine, or a pump.
摘要翻译：公开了一种用于铰孔钻孔的可扩展铰刀装置和方法，包括至少一个横向可移动的刀片，其由选择性地定位在向内位置和扩张位置的管状体承载。通过至少一个叶片偏置元件保持在内部的至少一个可动刀片可以通过钻选择性地允许与其连通的流体或通过至少一个中间活塞元件而被向外推动。例如，致动套筒可以允许钻井流体与至少一个可动刀片响应于在钻井液体内展开的致动装置的连通。或者，与可移动刀片结构连通的中间活塞元件连通的腔室可以通过可移动套筒，井下涡轮机或泵来加压。

5. 发明申请

US20070017708A1 Expandable reamer apparatus for enlarging boreholes while drilling and methods of use 有权
标题翻译：用于在钻孔时扩大钻孔的扩展钻孔装置和使用方法
公开(公告)号：US20070017708A1
公开(公告)日：2007-01-25
申请号：US11413615
申请日：2006-04-27
申请人： Steven Radford , Kelly Ireland , Anurag Gautam , Robert Laing , Matthew Mumma , Daryl Pritchard
发明人： Steven Radford , Kelly Ireland , Anurag Gautam , Robert Laing , Matthew Mumma , Daryl Pritchard
IPC分类号： E21B10/26
CPC分类号： E21B10/322 , E21B4/00 , E21B4/04 , E21B7/00 , E21B10/32 , E21B17/1014 , E21B34/14 , E21B44/005 , E21B47/18 , E21B2034/007
摘要： An expandable reamer apparatus and methods for reaming a borehole, wherein a laterally movable blade carried by a tubular body may be selectively positioned at an inward position and an expanded position. The laterally movable blade, held inwardly by blade-biasing elements, may be forced outwardly by drilling fluid selectively allowed to communicate therewith by way of an actuation sleeve disposed within the tubular body. Alternatively, a separation element may transmit force or pressure from the drilling fluid to the movable blade. Further, a chamber in communication with the movable blade may be pressurized by way of a downhole turbine or pump. A ridged seal wiper, compensator, movable bearing pad, fixed bearing pad preceding the movable blade, or adjustable spacer element to alter expanded blade position may be included within the expandable reamer. In addition, a drilling fluid pressure response indicating an operational characteristic of the expandable reamer may be generated.
摘要翻译：一种用于铰链钻孔的可扩展铰刀装置和方法，其中由管状体承载的横向可移动刀片可以选择性地定位在向内位置和扩张位置。通过刀片偏置元件保持在内侧的可横向移动的刀片可以通过钻取选择性地允许通过设置在管状体内的致动套筒与之连通的流体来向外推动。或者，分离元件可将来自钻井流体的力或压力传递到可动叶片。此外，与可动叶片连通的室可以通过井下涡轮或泵来加压。可扩展铰刀内可以包括脊状密封刮水器，补偿器，可移动轴承瓦块，可动刀片之前的固定轴承瓦块或可调节间隔元件以改变扩大刀片位置。此外，可以产生指示可扩展铰刀的操作特性的钻井液压力响应。

6. 发明申请

US20050145417A1 Expandable reamer apparatus for enlarging subterranean boreholes and methods of use 有权
标题翻译：用于扩大地下钻孔的可扩展铰刀装置和使用方法
公开(公告)号：US20050145417A1
公开(公告)日：2005-07-07
申请号：US10999811
申请日：2004-11-30
申请人： Steven Radford , Kelly Ireland , Robert Laing , Daryl Pritchard , James Overstreet , Greg Presley , Scott Shu , Mark Anderson , Mathias Mueller
发明人： Steven Radford , Kelly Ireland , Robert Laing , Daryl Pritchard , James Overstreet , Greg Presley , Scott Shu , Mark Anderson , Mathias Mueller
IPC分类号： E21B10/32 , E21B34/14 , E21B7/28
CPC分类号： E21B10/322 , E21B4/00 , E21B4/04 , E21B7/00 , E21B10/32 , E21B17/1014 , E21B34/14 , E21B44/005 , E21B47/18 , E21B2034/007
摘要： An expandable reamer apparatus and methods for reaming a borehole are disclosed, including at least one laterally movable blade carried by a tubular body selectively positioned at an inward position and an expanded position. The at least one movable blade, held inwardly by at least one blade-biasing element, may be forced outwardly by drilling fluid selectively allowed to communicate therewith or by at least one intermediate piston element. For example, an actuation sleeve may allow communication of drilling fluid with the at least one movable blade in response to an actuation device being deployed within the drilling fluid. Alternatively, a chamber in communication with an intermediate piston element in structural communication with the movable blade may be pressurized by way of a movable sleeve, a downhole turbine, or a pump.
摘要翻译：公开了一种用于铰孔钻孔的可扩展铰刀装置和方法，包括至少一个横向可移动的刀片，其由选择性地定位在向内位置和扩张位置的管状体承载。通过至少一个叶片偏置元件保持在内部的至少一个可动刀片可以通过钻选择性地允许与其连通的流体或通过至少一个中间活塞元件而被向外推动。例如，致动套筒可以允许钻井流体与至少一个可动刀片响应于在钻井液体内展开的致动装置的连通。或者，与可移动刀片结构连通的中间活塞元件连通的腔室可以通过可移动套筒，井下涡轮机或泵来加压。

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