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131. 发明专利

AU2014216809A1 Method for downhole cutting of at least one line disposed outside and along a pipe string in a well, and without simultaneously severing the pipe string 未知
公开(公告)号：AU2014216809A1
公开(公告)日：2015-08-06
申请号：AU2014216809
申请日：2014-02-05
申请人： WELL TECHNOLOGY AS
发明人： MYHRE MORTEN , LARSEN ARNE GUNNAR , JENSEN ROY INGE , ANDERSEN PATRICK , ENGELSGJERD ERLEND , IUELL MARKUS , OSTVOLD ARNOLD , DAHL ARNT OLAV
IPC分类号： E21B29/04 , E21B23/01 , E21B29/00 , E21B33/13
摘要： Method for cutting of at least one line (38, 40, 42, 44) disposed along a pipe string (16) in a well (2), comprising: (A) using a cutting tool (48) for selective cutting activation and provided with at least one cut-forming means (54, 56, 58, 60) for cutting in a radial direction outward from the cutting tool (48); and (B) lowering the cutting tool (48) to a longitudinal section (L1) where the cutting is to be carried out. The distinctive characteristic is that of using, in step (A), a cutting tool (48) for controlled cutting, by means of said means (54, 56, 58, 60), in a peripheral direction and distributed in an axial direction relative to the cutting tool (48); and (C) activating the cutting tool (48) and cutting, in the radial direction through and past the wall of the pipe string (16), at least one peripherally extending hole (62, 64, 66, 68) collectively covering the entire circumference of the pipe string (16), and also distributing the hole (62, 64, 66, 68) in the axial direction.

132. 发明专利

RU2537465C2 СКВАЖИННЫЙ РАЗЪЕДИНИТЕЛЬ КОЛОННЫ ТРУБ И КАБЕЛЯ 未知
公开(公告)号：RU2537465C2
公开(公告)日：2015-01-10
申请号：RU2013145167
申请日：2013-10-08
申请人： NIKOLAEV OLEG SERGEEVICH
发明人： NIKOLAEV OLEG SERGEEVICH
IPC分类号： E21B17/06 , E21B29/04
摘要： Изобретениеотноситсяк областигорногодела, вчастностик устройствамдляотсоединенияколоннтрубв случаяхприхватаскважинногооборудованияс кабельнымвводом. Техническимрезультатомявляетсяповышениеоперативностии снижениетрудоемкостиотсоединенияи подъемаизскважинподвесныхколоннтруб. Скважинныйразъединительколоннытруби кабелясодержитмуфтуи ниппельс центральнымканалом, втулку, установленнуюснаружимуфтыи ниппеляс возможностьюосевогоперемещения, иножницыдляразрезкиобесточенногокабеля, проведенногок нижерасположенномуэлектрооборудованию. Муфтаи ниппельсоединенымеждусобойпосредствомуплотнительныхколеци зафиксированысрезнымиштифтами. Вовтулкевыполненсквознойпаздлякабеля, открытыйсостороныверхнеготорцавтулкии тупиковыйв нижнейеечастис острымугломк внутреннейповерхностивтулки, образуянижнеелезвие. Приэтомнаружнаяцилиндрическаяповерхностьниппелявыполненаступенчатойс высотойуступа, поменьшеймере, равнойтолщинекабеля. Поднижнимлезвиемвдольцилиндрическойповерхностиниппеляс меньшимдиаметромпроведенэлектрическийкабель. Уступвыполненс поднутрением, образуяответноеверхнеелезвиеножниц, свозможностьюразрезкикабеляприподъемесоединенныхстопорнымивинтамивтулкии муфты. 1 ил.

133. 发明专利

AU2010339592B2 Auxiliary conduit cutting apparatus 未知
公开(公告)号：AU2010339592B2
公开(公告)日：2014-10-09
申请号：AU2010339592
申请日：2010-12-28
申请人： BAKER HUGHES INC
发明人： GUIDRY CHRISTOPHER W , ZAVESKY ANTHONY C , JOERG JOSHUA C
IPC分类号： E21B29/04
摘要： A cutting assembly for external conduits on a tubing string or main tubular conduit features at least one breakaway in the string that can be severed with a tensile force. Preferably each external conduit is run through a cutter housing that is integral with a passage having threaded end connections. While in some scenarios it is preferred that the main tubular conduit is severed below the cutting assembly thus allowing the cutting apparatus to be retrieved with the upper portions of the cut main tubular conduit and external longitudinal member(s), in other circumstances it may be desired that the main tubular conduit is severed above the cutting assembly allowing the cutting apparatus to be left "downhole" with the lower portion of the cut main tubular conduit and the BHA. The cutter knife assembly chambers or channels can be in banks that are axially spaced using bypass channels to access lower banks. The cutter knife assembly and associated channels can be mirror images so that the external conduits can be cut regardless of where the tubing string is severed and one or more conduits can be cut with a single cutter assembly.

134. 发明专利

CA2762205C AUXILIARY CONDUIT CUTTING APPARATUS 未知
公开(公告)号：CA2762205C
公开(公告)日：2014-02-04
申请号：CA2762205
申请日：2010-05-20
申请人： BAKER HUGHES INC
发明人： ZAVEKY ANTHONY C , BLAIR STEVE G , GUIDRY CHRISTOPHER W , ROSENBLATT STEVE
IPC分类号： E21B29/00 , E21B29/04
摘要： A cutting assembly for external conduits on a tubing string features a breakaway in the string that can be severed with a tensile force. Preferably each external conduit is run through a cutter housing. Upon severing of the string and applying a pickup force, a tension is applied to each external conduit since the severing of the string happens above all the cutter housings. Each housing cuts at least one conduit and the upper portion of the string brings with it the upper portion of the external conduit while the lower portions of each cut external conduit are retained in the cutter housings that remain downhole below the breakaway. In that manner there are no loose external conduit ends to interfere with and/or disturb subsequent fishing or other wellbore operations.

135. 发明专利

GB2482631B Auxiliary conduit cutting apparatus 未知
公开(公告)号：GB2482631B
公开(公告)日：2013-08-21
申请号：GB201119870
申请日：2010-05-20
申请人： BAKER HUGHES INC
发明人： ZAVEKY ANTHONY C , BLAIR STEVE G , GUIDRY CHRISTOPHER W , ROSENBLATT STEVE
IPC分类号： E21B29/04
摘要： A cutting assembly for external conduits on a tubing string features a breakaway in the string that can be severed with a tensile force. Preferably each external conduit is run through a cutter housing. Upon severing of the string and applying a pickup force, a tension is applied to each external conduit since the severing of the string happens above all the cutter housings. Each housing cuts at least one conduit and the upper portion of the string brings with it the upper portion of the external conduit while the lower portions of each cut external conduit are retained in the cutter housings that remain downhole below the breakaway. In that manner there are no loose external conduit ends to interfere with and/or disturb subsequent fishing or other wellbore operations.

136. 发明专利

NO20111567A1 未知
公开(公告)号：NO20111567A1
公开(公告)日：2013-05-16
申请号：NO20111567
申请日：2011-11-15
申请人： AKER WELL SERVICE AS
发明人： FITJE BARD
IPC分类号： E21B29/04

137. 发明专利

GB2493316A Cutting dart and method of using the cutting dart 未知
公开(公告)号：GB2493316A
公开(公告)日：2013-01-30
申请号：GB201220860
申请日：2011-04-29
申请人： BAKER HUGHES INC
发明人： MISSELBROOK JOHN G , SACH MANFRED , SKUFCA JASON M
IPC分类号： E21B29/00 , E21B29/04 , E21B43/114
摘要： The present disclosure is directed to a cutting dart. The cutting dart comprises a dart body including a first pathway. The first pathway is configured to redirect cutting fluid flowing through a coiled tubing so that the cutting fluid flows radially to impinge against an inner surface of the coiled tubing. A seal is positioned around an outer circumference of the dart body. The present disclosure is also directed to an anchor dart. The anchor dart comprises a dart body and a swellable elastomer positioned around an outer circumference of the dart body. Methods of employing the cutting dart and anchor dart are also disclosed.

138. 发明专利

NO20120601A1 未知
公开(公告)号：NO20120601A1
公开(公告)日：2012-07-16
申请号：NO20120601
申请日：2012-05-23
申请人： BAKER HUGHES INC
发明人： GUIDRY CHRISTOPHER W , ZAVESKY ANTHONY C , JOERG JOSHUA C
IPC分类号： E21B29/04
摘要： A cutting assembly for external conduits on a tubing string or main tubular conduit features at least one breakaway in the string that can be severed with a tensile force. Preferably each external conduit is run through a cutter housing that is integral with a passage having threaded end connections. While in some scenarios it is preferred that the main tubular conduit is severed below the cutting assembly thus allowing the cutting apparatus to be retrieved with the upper portions of the cut main tubular conduit and external longitudinal member(s), in other circumstances it may be desired that the main tubular conduit is severed above the cutting assembly allowing the cutting apparatus to be left downhole with the lower portion of the cut main tubular conduit and the BHA. The cutter knife assembly chambers or channels can be in banks that are axially spaced using bypass channels to access lower banks. The cutter knife assembly and associated channels can be mirror images so that the external conduits can be cut regardless of where the tubing string is severed and one or more conduits can be cut with a single cutter assembly.

139. 发明专利

GB2455894B Methods for making and using a quick lock wireline valve/blowout preventor 未知
公开(公告)号：GB2455894B
公开(公告)日：2012-06-13
申请号：GB0822456
申请日：2008-12-10
申请人： WEATHERFORD LAMB
发明人： DARNELL DAVID TREVOR , HUNT ROBERT ANDREW
IPC分类号： E21B33/06 , E21B29/04

140. 发明专利

GB2464604B Recessed cutting edge for wire cutting gate valves 未知
公开(公告)号：GB2464604B
公开(公告)日：2012-06-06
申请号：GB0918262
申请日：2009-10-20
申请人： VETCO GRAY INC
发明人： LIEW JOSEPH S Y
IPC分类号： F16K3/02 , E21B29/04
摘要： A gate valve having a body, a chamber housed in the body, a passage through the body that intersects the chamber, a gate for selectively opening and closing the valve, and a cutting edge on the gate. The cutting edge can sever any lines that may be in the valve and still seal after closing. The gate includes a recess formed to collect cuttings formed while severing the line.

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