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1. 发明授权

US09670730B2 Method of providing mechanical stability around an entrance of a new well path to be formed from an existing well 有权
公开(公告)号：US09670730B2
公开(公告)日：2017-06-06
申请号：US14375093
申请日：2013-02-13
申请人： Hydra Systems AS
发明人： Arne Gunnar Larsen , Patrick Andersen , Roy Inge Jensen , Arnt Olav Dahl , Morten Myhre
IPC分类号： E21B7/08 , E21B7/06 , E21B33/14 , E21B29/06 , E21B37/00 , E21B43/11 , E21B29/02 , E21B33/12 , E21B37/08
CPC分类号： E21B7/061 , E21B29/02 , E21B29/06 , E21B33/1204 , E21B33/14 , E21B37/00 , E21B37/08 , E21B43/11
摘要： A method is for establishing a new well path from an existing well, wherein the existing well, at least in a portion where the new well path is to be established, is delineated radially by a casing. The method comprises disposing and anchoring a plug base in the well; providing a plug above the plug base in the well and along a longitudinal section thereof, wherein the plug, at least in a portion thereof, covers substantially the entire cross-section of the well; removing a portion of the plug in such a manner that at least a cross-sectional section of the plug remains on the outside of the casing; disposing and anchoring a direction-guiding element in the well, and at least partially within the longitudinal section; and with the direction-guiding element, guiding a drilling tool against the inside of the casing in the existing well path in order to form a hole through the casing, and through the remaining cross-sectional section of the plug within the longitudinal section, which opens up to formation of a new well path. The method also comprises conducting a perforation tool down into the casing and to the longitudinal section where the plug is to be set; forming holes in the casing and along the longitudinal section by means of the perforation tool; and pumping a fluidized plugging material down through the string and out into the casing, thus also into the annulus via the holes in the casing.

2. 发明申请

US20230092939A1 A FLUID DIVERTER TOOL, SYSTEM AND METHOD OF DIVERTING A FLUID FLOW IN A WELL 有权
公开(公告)号：US20230092939A1
公开(公告)日：2023-03-23
申请号：US17908164
申请日：2021-03-08
申请人： Hydra Systems AS
发明人： Markus Iuell , Roy Inge Jensen , Arnold Østvold
IPC分类号： E21B34/10 , E21B37/00 , E21B33/13 , E21B33/126 , E21B33/128
摘要： A fluid diverter tool, system and method of diverting a fluid flow in a in a well, having: a tubular mandrel and a packer element affixed onto an exterior thereof and operable to sealingly engage an inside of a pipe body to divert a flow of a treatment fluid outwards through holes formed in the pipe bod; and a pressure relief device operable to open and relieve pressure from one side to another side of the packer element when exposed to a given pressure differential acting across the pressure relief device from said one side of the packer element, the pressure relief device also adapted to close when exposed to a lower than said given pressure differential acting thereacross from said one side of the packer element.

3. 发明申请

US20150021025A1 Method for Combined Cleaning and Plugging in a Well and Flushing Tool for Flushing in a Well 审中-公开
标题翻译：用于冲洗井中的井和冲洗工具中的组合清洁和堵塞的方法
公开(公告)号：US20150021025A1
公开(公告)日：2015-01-22
申请号：US14381497
申请日：2013-03-06
申请人： Hydra Systems AS
发明人： Morten Myhre , Arne Gunnar Larsen , Patrick Andersen , Roy Inge Jensen , Arnt Olav Dahl
IPC分类号： E21B33/13 , E21B43/11 , E21B21/00
CPC分类号： E21B33/13 , E21B21/00 , E21B29/002 , E21B37/08 , E21B43/11
摘要： A method is for the combined perforation, cleaning, and the subsequent plugging of a longitudinal section of a well. The well is provided with two pipe bodies placed substantially concentrically. The method includes lowering a perforation tool into the innermost pipe body to the longitudinal section, forming perforations in both pipe bodies along the longitudinal section with the perforation tool, cleaning the longitudinal section with a flushing tool which is attached to a lower portion of a string allowing through-flow, pumping a fluidized plugging material down the string and into the innermost pipe body at the longitudinal section, and placing the fluidized plugging material in the innermost pipe body, and thereby also into the entire cross section of the well via the perforations within the longitudinal section. A flushing tool is for cleaning the longitudinal section of the well.
摘要翻译：一种方法是用于井的纵向部分的组合穿孔，清洁和随后的堵塞。该井具有基本同心放置的两个管体。该方法包括将穿孔工具降低到纵向部分的最内管体中，沿着纵向部分在穿孔工具中在两个管体中形成穿孔，用冲洗工具清洁纵向部分，该冲洗工具附接到弦的下部允许通过流动，将流化的封堵材料沿着管线向下抽吸并在纵向部分进入最内管体，并将流化的封堵材料放置在最内管体中，从而也通过穿孔进入井的整个横截面在纵向部分内。冲洗工具用于清洁井的纵向部分。

4. 发明授权

US10260311B2 Method for combined cleaning and plugging in a well and flushing tool for flushing in a well 有权
公开(公告)号：US10260311B2
公开(公告)日：2019-04-16
申请号：US14381497
申请日：2013-03-06
申请人： Hydra Systems AS
发明人： Morten Myhre , Arne Gunnar Larsen , Patrick Andersen , Roy Inge Jensen , Arnt Olav Dahl
IPC分类号： E21B33/13 , E21B29/00 , E21B43/11 , E21B21/00 , E21B37/08
摘要： A method is for the combined perforation, cleaning, and the subsequent plugging of a longitudinal section of a well. The well is provided with two pipe bodies placed substantially concentrically. The method includes lowering a perforation tool into the innermost pipe body to the longitudinal section, forming perforations in both pipe bodies along the longitudinal section with the perforation tool, cleaning the longitudinal section with a flushing tool which is attached to a lower portion of a string allowing through-flow, pumping a fluidized plugging material down the string and into the innermost pipe body at the longitudinal section, and placing the fluidized plugging material in the innermost pipe body, and thereby also into the entire cross section of the well via the perforations within the longitudinal section. A flushing tool is for cleaning the longitudinal section of the well.

5. 发明申请

US20180187518A1 A Method of Plugging and Abandoning a Well 审中-公开
公开(公告)号：US20180187518A1
公开(公告)日：2018-07-05
申请号：US15579373
申请日：2016-06-01
申请人： Hydra Systems AS
发明人： Morten Myhre , Arne Gunnar Larsen , Roy Inge Jensen , Patrick Andersen , Arnold Østvold , Arnt Olav Dahl
IPC分类号： E21B37/08 , E21B33/134 , E21B41/00
CPC分类号： E21B37/08 , E21B33/12 , E21B33/134 , E21B41/0078 , E21B43/116
摘要： A method of plugging and abandoning a well includes: lowering a perforation tool into a pipe string onto a longitudinal section; forming perforations along the longitudinal section; with a flushing tool attached to a work string and lowered onto the longitudinal section, pumping flushing fluid through the work string, out through at least one flushing outlet in the flushing tool, into the pipe string and into said annulus via the perforations, wherein an outlet axis of said flushing outlet is non-perpendicular to a longitudinal axis of the flushing tool; pumping a fluidized plugging material through the work string and into the pipe string at the longitudinal section; placing the fluidized plugging material in the pipe string along the longitudinal section, thereby also placing the fluidized plugging material in said annulus via the perforations; pulling the work string out of the well; and abandoning the well.

6. 发明授权

US09702216B2 Method for establishment of an annulus barrier in a subterranean well 有权
公开(公告)号：US09702216B2
公开(公告)日：2017-07-11
申请号：US14375086
申请日：2013-01-21
申请人： Hydra Systems AS
发明人： Arne Gunnar Larsen , Patrick Andersen , Roy Inge Jensen , Arnt Olav Dahl , Morten Myhre
IPC分类号： E21B23/14 , E21B33/10 , E21B33/13 , E21B33/14
CPC分类号： E21B33/10 , E21B33/13 , E21B33/14
摘要： A method is for establishing an annulus barrier in a subterranean well. The method comprises providing a plug in the well and along a longitudinal section thereof, wherein the plug, at least in a portion of the longitudinal section, covers substantially the entire cross-section of the well in such a manner that the plug covers both the inside and the outside of a casing; removing a central through portion of the plug internally in the casing in such a manner that a through central opening is formed in the plug, and in such a manner that at least a cross-sectional section of the plug remains on the outside of the casing; disposing and anchoring a connection pipe in the well, and internally in the casing, in such a manner that the connection pipe extends at least along a length of the remaining cross-sectional section; and sealing, in a fluid-tight manner, an annulus between the casing and the connection pipe.

7. 发明申请

US20150027705A1 Method for Zone Isolation in a Subterranean Well 审中-公开
标题翻译：地下井区隔离方法
公开(公告)号：US20150027705A1
公开(公告)日：2015-01-29
申请号：US14381540
申请日：2013-03-06
申请人： Hydra Systems AS
发明人： Arne Gunnar Larsen , Patrick Andersen , Roy Inge Jensen , Arnt Olav Dahl , Morten Myhre
IPC分类号： E21B33/13 , E21B43/11 , E21B21/00
CPC分类号： E21B33/13 , E21B21/00 , E21B37/08 , E21B43/11
摘要： A method is for zone isolation in a subterranean well. The well is provided with a pipe body at least in a portion. The method includes providing a plug over a longitudinal section of the well, the plug covering substantially the entire cross section of the well at least in a portion of the longitudinal section, so that the plug fills the inside, of a pipe body and an annulus between the outside of the pipe body and a surrounding well body.
摘要翻译：一种方法是在地下井中进行区域隔离。井至少部分地设置有管体。该方法包括在井的纵向部分上提供塞子，塞子至少在纵向部分的一部分中基本上覆盖井的整个横截面，使得塞子填充管体和环形空间的内部在管体的外部和周围的井体之间。

8. 发明授权

US10180043B2 Method for establishment of a new well path from an existing well 有权
公开(公告)号：US10180043B2
公开(公告)日：2019-01-15
申请号：US14910885
申请日：2014-08-12
申请人： Hydra Systems AS
发明人： Morten Myhre , Arne Gunnar Larsen , Roy Inge Jensen , Patrick Andersen , Arnt Olav Dahl , Erlend Engelsgjerd , Markus Iuell , Arnold Østvold
IPC分类号： E21B37/00 , E21B7/06 , E21B33/12 , E21B33/16 , E21B43/11 , E21B33/13 , E21B37/08 , E21B43/116
摘要： A method is for establishment of a new well path from a well. The method comprises disposing and anchoring a plug base in a casing in the well; lowering a perforation tool into the casing; forming holes in the casing along a longitudinal section; pumping a flushing fluid out through outlets in a flushing tool and into the casing and further out into an annulus; pumping a fluidized plugging material out through the flushing tool and into the casing and further out into the annulus; placing the fluidized plugging material along the longitudinal section so as to form a plug across a cross section of the well; wherein the outlets in the flushing tool are angled non-perpendicularly relative to a longitudinal axis of the flushing tool. The method also comprises removing a portion of the plug until a cross-sectional section of the plug remains in the annulus; disposing and anchoring a direction-guiding element in the casing within the longitudinal section; by means of the element, guiding a drilling tool against the inside of the casing; and forming an exit hole through the casing and the cross-sectional section of the plug, thereby allowing a new well path to be formed from the well.

9. 发明申请

US20160201430A1 Method for Isolation of a Permeable Zone in a Subterranean Well 审中-公开
标题翻译：地下井渗透带隔离方法
公开(公告)号：US20160201430A1
公开(公告)日：2016-07-14
申请号：US14912288
申请日：2014-08-26
申请人： HYDRA SYSTEMS AS
发明人： Arne Gunnar LARSEN , Roy Inge JENSEN , Patrick ANDERSEN , Erlend ENGELSGJERD , Markus IUELL , Arnt Olav DAHL , Arnold ØSTVOLD , Morten MYHRE
IPC分类号： E21B33/14 , E21B37/00 , E21B43/11
CPC分类号： E21B33/14 , E21B33/13 , E21B37/00 , E21B43/11
摘要： A method is for isolation of a permeable zone in a subterranean well, wherein the well is provided with a pipe body. The method comprises lowering a perforation tool into the pipe body; forming holes in the pipe body along a longitudinal section; pumping a flushing fluid out through outlets in a flushing tool, into the pipe body and further out into an annulus; pumping a fluidized plugging material out through the flushing tool, into the pipe body and further out into the annulus; placing the fluidized plugging material along the longitudinal section so as to form a plug across the cross section of the well, whereby the plug fills the pipe body and the annulus; wherein at least one outlet in the flushing tool is angled non-perpendicularly relative to a longitudinal axis of the flushing tool, whereby a corresponding discharge jet also will be non-perpendicular to the longitudinal axis.
摘要翻译：一种方法是用于分离地下井中的可渗透区域，其中井设有管体。该方法包括将穿孔工具降低到管体中; 沿着纵向部分在管体中形成孔; 将冲洗液从冲洗工具中的出口抽出，进入管体并进一步流入环形空间; 将流化的堵塞材料通过冲洗工具抽出，进入管体并进一步流入环空; 将流化堵塞材料沿着纵向部分放置，以便在井的横截面上形成塞子，由此塞子填充管体和环空; 其中所述冲洗工具中的至少一个出口相对于所述冲洗工具的纵向轴线非垂直成角度，由此相应的放电射流也将不垂直于所述纵向轴线。

10. 发明申请

US20160194937A1 Method for Establishment of a New Well Path from an Existing Well 审中-公开
标题翻译：从现有井中建立新井径的方法
公开(公告)号：US20160194937A1
公开(公告)日：2016-07-07
申请号：US14910885
申请日：2014-08-12
申请人： HYDRA SYSTEMS AS
发明人： Morten Myhre , Arne Gunnar Larsen , Roy Inge Jensen , Patrick Andersen , Arnt Olav Dahl , Erlend Engelsgjerd , Markus Iuell , Arnold Østvold
IPC分类号： E21B37/00 , E21B43/11 , E21B7/06 , E21B33/12 , E21B33/16
CPC分类号： E21B37/00 , E21B7/061 , E21B33/12 , E21B33/1204 , E21B33/13 , E21B33/16 , E21B37/08 , E21B43/11 , E21B43/116
摘要： A method is for establishment of a new well path from a well. The method comprises disposing and anchoring a plug base in a casing in the well; lowering a perforation tool into the casing; forming holes in the casing along a longitudinal section; pumping a flushing fluid out through outlets in a flushing tool and into the casing and further out into an annulus; pumping a fluidized plugging material out through the flushing tool and into the casing and further out into the annulus; placing the fluidized plugging material along the longitudinal section so as to form a plug across a cross section of the well; wherein the outlets in the flushing tool are angled non-perpendicularly relative to a longitudinal axis of the flushing tool. The method also comprises removing a portion of the plug until a cross-sectional section of the plug remains in the annulus; disposing and anchoring a direction-guiding element in the casing within the longitudinal section; by means of the element, guiding a drilling tool against the inside of the casing; and forming an exit hole through the casing and the cross-sectional section of the plug, thereby allowing a new well path to be formed from the well.
摘要翻译：一种方法是从井中建立新的井道。该方法包括将插头基座设置并固定在井中的壳体中; 将穿孔工具降低到套管中; 沿着纵向部分在壳体中形成孔; 在冲洗工具中通过出口将冲洗液抽出并进入外壳并进一步流入环形空间; 将流化的堵塞材料通过冲洗工具抽出并进入壳体并进一步流入环空中; 沿着所述纵向部分放置所述流化堵塞材料以便在所述井的横截面上形成塞子; 其中冲洗工具中的出口相对于冲洗工具的纵向轴线非垂直地成角度。该方法还包括去除塞子的一部分，直到塞子的横截面部分保留在环形空间中; 在纵向部分内将方向引导元件设置并固定在壳体内; 通过该元件将钻孔工具引导到壳体的内部; 并且通过所述壳体和所述插塞的横截面部分形成出口孔，从而允许从所述井形成新的井道。

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