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1. 发明授权

US06533037B2 Flow-operated valve 有权
公开(公告)号：US06533037B2
公开(公告)日：2003-03-18
申请号：US09725779
申请日：2000-11-29
申请人： David M. Eslinger , Howard L. McGill , James M. Costley , Randolph J. Sheffield , Warren M. Zemlak
发明人： David M. Eslinger , Howard L. McGill , James M. Costley , Randolph J. Sheffield , Warren M. Zemlak
IPC分类号： E21B3410
CPC分类号： E21B43/26 , E21B34/10
摘要： A tool string, such as one used for performing fracturing operations or other types of operations, includes a valve, a valve operator, and a sealing assembly that in one arrangement includes packers to define a sealed zone. The tool string is carried on a tubing, through which fluid flow may be pumped to the sealed zone. The valve operator is actuated in response to fluid flow above a predetermined flow rate. When the flow rate at greater than the predetermined flow rate does not exist, the valve operator remains in a first position that corresponds to the valve being open. However, in response to a fluid flow rate at greater than the predetermined flow rate, the valve operator is actuated to a second position to close the valve.

2. 发明授权

US06776239B2 Tubing conveyed fracturing tool and method 有权
$Tubing conveyed fracturing tool and method$
标题翻译：管道输送压裂工具及方法
公开(公告)号：US06776239B2
公开(公告)日：2004-08-17
申请号：US10078963
申请日：2002-02-19
申请人： David M. Eslinger , Stephen D. Hill , Randolph J. Sheffield , Howard L. McGill , James M. Costley
发明人： David M. Eslinger , Stephen D. Hill , Randolph J. Sheffield , Howard L. McGill , James M. Costley
IPC分类号： E21B2300
CPC分类号： E21B23/006 , E21B33/124 , E21B33/1243 , E21B43/26
摘要： A tubing conveyed multi-position well treating tool having a tubular housing and a tubular inner member which are relatively positionable at “Set”, “Treat”, “Dump” and “Release” positions actuated by a mechanical indexing mechanism. The indexing mechanism is loaded by a spring, such as a compressed gas spring or mechanical spring, which urges the tubular housing away from the tubing connection of the inner tubular member, thus requiring no set-down forces for tool actuation or indexing. The treating tool is anchored within the well casing by hydraulic pressure actuated buttons, thus eliminating the typical requirement for anchoring actuation by set-down forces. The treating tool is sealed within the casing by pressure energized packers which are activated by the hydraulic pressure of fluid supplied from the tubing. The tool provides a bypass passage to allow communication of the zones above and below the tool while isolating the straddled interval to be treated.
摘要翻译：管道输送多位置井处理工具，其具有管状壳体和管状内部构件，其可在通过机械分度机构致动的“设定”，“处理”，“倾倒”和“释放”位置处相对定位。分度机构由诸如压缩气体弹簧或机械弹簧的弹簧加载，其将管状壳体推离远离内部管状构件的管道连接，因此不需要用于工具致动或分度的设置力。处理工具通过液压致动按钮锚固在井套内，从而消除了通过下压力锚定致动的典型要求。处理工具通过由通过管道供应的流体的液压激活的压力通电封隔器密封在壳体内。该工具提供旁路通道，以允许在工具上方和下方的区域通信，同时隔离待处理的跨距间隔。

3. 发明授权

US07011157B2 Method and apparatus for cleaning a fractured interval between two packers 失效
$Method and apparatus for cleaning a fractured interval between two packers$
标题翻译：用于清洁两个包装机间断裂间隔的方法和装置
公开(公告)号：US07011157B2
公开(公告)日：2006-03-14
申请号：US10629163
申请日：2003-07-29
申请人： James M. Costley , David M. Eslinger , Randolph J. Sheffield , L. Michael McKee
发明人： James M. Costley , David M. Eslinger , Randolph J. Sheffield , L. Michael McKee
IPC分类号： E21B33/124 , E21B37/00
CPC分类号： E21B37/08 , E21B43/26
摘要： A method and apparatus for fluid treatment of a selected interval of a well and then cleaning the selected interval and the apparatus of treatment residue. An straddle tool is run into the well to treatment depth on fluid supplying tubing and has upper and lower packers that establish sealing with the casing and define an annular interval between the packers and between the tool and casing. Fluid, such as fracturing fluid, is pumped through the tubing to the tool and is diverted through an outlet port of the tool into an upper portion of the annular interval. Fluid then flows from a lower portion of the annular interval through an inlet port below the outlet port and at low flow rate is dumped into the casing through a pressure responsive dump valve. The outlet port and inlet port are located to accomplish cleaning of residue from the packers.
摘要翻译：一种用于对所选间隔的孔进行流体处理，然后清洁所选择的间隔和处理残留物的装置的方法和装置。跨越工具进入井中以处理流体供应管道的深度，并具有上部和下部封隔器，其与壳体建立密封并且在封隔器之间以及在工具和壳体之间限定环形间隔。流体，例如压裂液，被泵送通过管道到工具，并且通过工具的出口转入环形间隔的上部。流体然后从环形间隔的下部流过出口端口下方的入口端口，并且低流量通过压力响应的泄放阀被倾倒到壳体中。出口和入口位于为了完成对封隔器的残留物的清洁。

4. 发明授权

US06425443B1 Pressure compensated disconnect system and method 有权
标题翻译：压力补偿断开系统和方法
公开(公告)号：US06425443B1
公开(公告)日：2002-07-30
申请号：US09716986
申请日：2000-11-20
申请人： Stephen D. Hill , James M. Costley , David M. Eslinger , Mark C. Oettli , Randolph J. Sheffield
发明人： Stephen D. Hill , James M. Costley , David M. Eslinger , Mark C. Oettli , Randolph J. Sheffield
IPC分类号： E21B2300
CPC分类号： E21B17/06 , Y10S285/90
摘要： A disconnect for facilitating release of a tool at a downhole, wellbore location. The disconnect utilizes an upper portion and a lower portion connected at least in part by a shear member. The disconnect uses a plurality of pressure areas to selectively expose the lower portion to balanced, counteracting axial forces. The pressure areas allow release or disconnection of the upper portion from the lower portion upon application of a predetermined tensile load without subjecting the tubing to an undesirably high tensile load.
摘要翻译：断开以便于在井下，井眼位置释放工具。断开器利用至少部分地由剪切构件连接的上部和下部。断路器使用多个压力区域来选择性地将下部暴露于平衡的抵消轴向力。当施加预定的拉伸载荷时，压力区域允许上部与下部的释放或断开，而不会使管道处于不期望的高拉伸载荷。

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