公开(公告)号：WO2015023190A1

公开(公告)日：2015-02-19

申请号：PCT/NO2014/050145

申请日：2014-08-12

Applicant: HYDRA SYSTEMS AS

Inventor： MYHRE, Morten ,  LARSEN, Arne Gunnar ,  JENSEN, Roy Inge ,  ANDERSEN, Patrick ,  DAHL, Arnt Olav ,  ENGELSGJERD, Erlend ,  IUELL, Markus ,  ØSTVOLD, Arnold

IPC: E21B33/13 ,  E21B7/06 ,  E21B29/06

CPC classification number: E21B37/00 ,  E21B7/061 ,  E21B33/12 ,  E21B33/1204 ,  E21B33/13 ,  E21B33/16 ,  E21B37/08 ,  E21B43/11 ,  E21B43/116

Abstract: A method for establishment of a new well path (5) from a well (1), comprising: (A) disposing and anchoring a plug base (23) in a casing (21) in the well (1); (B) lowering a perforation tool (33) into the casing (21); (C) forming holes (213) in the casing along a longitudinal section (L1); (D) pumping a flushing fluid (36) out through outlets (351) in a flushing tool (35) and into the casing (21) and further out into an annulus (7); (E) pumping a fluldized plugging material (37) out through the flushing tool (35) and into the casing (21) and further out into the annulus (7); (F) placing the fluidized plugging material (37) along the longitudinal section (L1) so as to form a plug (25) across a cross section (T1) of the well; wherein the outlets (351) in the flushing tool (35) are angled non-perpendicularly relative to a longitudinal axis of the flushing tool (35); and - wherein the method also comprises: (G) removing a portion of the plug (25) until a cross-sectional section (T3) of the plug (25) remains in the annulus (7); (H) disposing and anchoring a direction-guiding element (27) in the casing (21) within the longitudinal section (L1); (I) by means of the element (27), guiding a drilling tool (31) against the inside of the casing (21); and (J) forming an exit hole (38) through the casing (21) and the cross-sectional section (T3) of the plug (25), thereby allowing a new well path (5) to be formed from the well (1).

Abstract translation: 一种用于从井（1）建立新的井道（5）的方法，包括：（A）将井筒（1）中的壳体（21）中的塞子基座（23）设置和固定; （B）将穿孔工具（33）降低到所述壳体（21）中; （C）沿着纵向部分（L1）在所述壳体中形成孔（213）; （D）通过冲洗工具（35）中的出口（351）将冲洗流体（36）抽出并进入壳体（21）并进一步流入环空（7）中; （E）通过冲洗工具（35）将一个成块的堵塞材料（37）抽出并进入到壳体（21）中，并进一步流入环空（7）中; （F）沿着所述纵向部分（L1）放置所述流化堵塞材料（37）以在所述井的横截面（T1）上形成塞子（25）; 其中冲洗工具（35）中的出口（351）相对于冲洗工具（35）的纵向轴线非垂直地成角度; 和 - 其中所述方法还包括：（G）去除所述插塞（25）的一部分，直到所述插头（25）的横截面部分（T3）保留在所述环形空间（7）中; （H）在所述纵向部分（L1）内设置和固定所述壳体（21）中的方向引导元件（27）; （I）通过元件（27）引导钻孔工具（31）抵靠壳体（21）的内部; 和（J）通过所述壳体（21）和所述插头（25）的横截面部分（T3）形成出口孔（38），从而允许从所述井口（1）形成新的井道（5） ）。

公开(公告)号：WO2019078728A3

公开(公告)日：2019-04-25

申请号：PCT/NO2018/050247

申请日：2018-10-17

Applicant: HYDRA SYSTEMS AS

Inventor： MYHRE, Morten ,  LARSEN, Arne Gunnar ,  ØSTVOLD, Arnold

IPC: E21B37/08 ,  E21B21/00 ,  E21B33/13 ,  E21B37/00 ,  E21B43/114

Abstract: A system and method of cleaning an annular area in a well (2), comprising: - a first pipe body (4) and a surrounding second pipe body (6); - a first annulus (8) containing a clean fluid (10), and a surrounding second annulus (12) containing contaminants (14); - a plurality of sets of holes (22) formed through the pipe bodies (4, 6) and dispersed along a longitudinal section (L), each set of holes (22) comprising holes (22a, 22b) aligned substantially radially; and - a washing tool (26) positioned in the first pipe body (4) and comprising spaced apart flow guides (28a, 28b) configured to enclose of a limited number of sets of holes (22), the flow guides (28a, 28b) cooperating with an inside of the first pipe body (4) to form a confined pressure compartment (30) for the limited number of sets of holes (22) when operational in the well (2).

公开(公告)号：WO2016200269A1

公开(公告)日：2016-12-15

申请号：PCT/NO2016/050112

申请日：2016-06-01

Applicant: HYDRA SYSTEMS AS

Inventor： MYHRE, Morten ,  LARSEN, Arne, Gunnar ,  JENSEN, Roy, Inge ,  ANDERSEN, Patrick ,  ØSTVOLD, Arnold ,  DAHL, Arnt, Olav

IPC: E21B33/13 ,  E21B37/00

CPC classification number: E21B37/08 ,  E21B33/12 ,  E21B33/134 ,  E21B37/00 ,  E21B41/0078 ,  E21B43/116

Abstract: A method of plugging and abandoning a well (1), comprising : (A) lowering a perforation tool (31) into a pipe string (5) onto a longitudinal section (LI); (B) with the perforation tool (31), forming perforations (51) along said longitudinal section (LI); (C) with a flushing tool (33) attached to a work string (3) and lowered onto said longitudinal section (LI), pumping a flushing fluid (35) through the work string (3), out through at least one flushing outlet (331) in the flushing tool (33), into the pipe string (5) and into said annulus (8) via the perforations (51), wherein an outlet axis (b) of said flushing outlet (331) is non-perpendicular to a longitudinal axis (a) of the flushing tool (33); (D) pumping a fluidized plugging material (37) through the work string (3) and into the pipe string (5) at said longitudinal section (LI); (E) placing the fluidized plugging material (37) in the pipe string (5) along at least said longitudinal section (LI), thereby also placing the fluidized plugging material (37) in said annulus (8) via the perforations (51); (F) pulling the work string (3) out of the well (1); and (G) abandoning the well (1).

Abstract translation: 一种堵塞和放弃井（1）的方法，包括：（A）将穿孔工具（31）降低到管柱（5）中的纵向部分（LI）上; （B）与所述穿孔工具（31）形成沿着所述纵向部分（LI）的穿孔（51）; （3）上的冲洗工具（33）并且下降到所述纵向部分（LI）上，通过至少一个冲洗出口将冲洗流体（35）泵送通过工作串（3） （331）的出口轴线（331）在所述冲洗工具（33）中经由所述穿孔（51）进入所述管柱（5）并进入所述环形空间（8），其中所述冲洗出口（331）的出口轴线（b） 到所述冲洗工具（33）的纵向轴线（a）; （D）在所述纵向段（LI）处将流化的堵塞材料（37）泵送通过工作柱（3）并进入管柱（5）中; （E）沿着至少所述纵向部分（LI）将流化堵塞材料（37）放置在管柱（5）中，从而也通过穿孔（51）将流化堵塞材料（37）放置在所述环形空间（8） ; （F）将工作串（3）从井（1）中拉出; 和（G）放弃井（1）。

公开(公告)号：WO2017105251A1

公开(公告)日：2017-06-22

申请号：PCT/NO2016/050259

申请日：2016-12-08

Applicant: HYDRA SYSTEMS AS

Inventor： MYHRE, Morten ,  LARSEN, Arne Gunnar ,  ØSTVOLD, Arnold ,  IUELL, Markus

IPC: E21B33/13 ,  E21B47/06

CPC classification number: E21B33/13 ,  E21B47/0005 ,  E21B47/06 ,  E21B47/16

Abstract: A method of assessing the integrity status of a barrier plug (60 ' ) formed in a well (2), comprising : (A) disposing a plug base (14) inside a pipe string (8) in the well (2), and below a longitudinal section (L); (B) disposing a communication unit (16) and at least one sensor (32) in the well (2), said sensor (32) configured to measure at least one parameter of a fluid, and said communication unit (16) configured to receive and transmit signals corresponding to said sensor measurements; (C) placing a plug-forming fluidized plugging material (60) in the pipe string (8) above the plug base (14), and along the longitudinal section (L); (D) selectively deploying said sensor (32) into the fluidized plugging material (60) in the pipe string (8); (E) with said sensor (32), measuring at least one curing-indicative parameter of the fluidized plugging material (60) over a period of time; and with said communication unit ( 16), receiving sensor measurements over said period of time, and further transmitting corresponding signals to the surface of the well (2); (F) retrieving said transmitted signals at the surface of the well (2); and (G) analysing the retrieved signals and assessing the curing status of the fluidized plugging material (46) after said period of time.

Abstract translation: （2）中形成的阻挡塞（60'）的完整性状态的评估方法，包括：（A）将塞子基部（14）布置在管柱（8）内部， 在井（2）中，在纵向部分（L）下方; （B）将通信单元（16）和至少一个传感器（32）布置在所述井（2）中，所述传感器（32）配置成测量流体的至少一个参数，并且所述通信单元（16） 接收和发送对应于所述传感器测量的信号; （C）将塞子形成流化堵塞材料（60）放置在塞子基座（14）上方的管柱（8）中并沿纵向部分（L）放置; （D）将所述传感器（32）选择性地配置到所述管柱（8）中的流化封堵材料（60）中; （E）与所述传感器（32）连接，在一段时间内测量所述流化堵塞材料（60）的至少一个固化指示参数; 并且与所述通信单元（16）一起接收在所述时间段内的传感器测量结果，并且进一步将相应的信号传输到井（2）的表面; （F）在井（2）的表面处检索所述发射的信号; 和（G）分析检索到的信号并在所述一段时间后评估流化堵塞材料（46）的固化状态。

公开(公告)号：WO2021182968A1

公开(公告)日：2021-09-16

申请号：PCT/NO2021/050059

申请日：2021-03-08

Applicant: HYDRA SYSTEMS AS

Inventor： IUELL, Markus ,  JENSEN, Roy Inge ,  ØSTVOLD, Arnold

IPC: E21B37/00 ,  E21B37/08

Abstract: A fluid diverter tool (16), system and method of diverting a fluid flow in a in a well (2), comprising: - a tubular mandrel (48) and a packer element (30) affixed onto an exterior thereof and operable to sealingly engage an inside of a pipe body (4) to divert a flow of a treatment fluid (26, 46) outwards through holes (10) formed in the pipe body (4); and - a pressure relief device (40) operable to open and relieve pressure from one side (38) to another side (34) of the packer element (30) when exposed to a given pressure differential acting across the pressure relief device (40) from said one side (38) of the packer element (30), the pressure relief device (40) also adapted to close when exposed to a lower than said given pressure differential acting thereacross from said one side (38) of the packer element (30).

公开(公告)号：WO2019151870A1

公开(公告)日：2019-08-08

申请号：PCT/NO2019/050015

申请日：2019-01-23

Applicant: HYDRA SYSTEMS AS

Inventor： MYHRE, Morten ,  LARSEN, Arne Gunnar ,  ØSTVOLD, Arnold

IPC: E21B33/13

Abstract: A method, system and plug for providing a cross-sectional seal (40´´) in a well (2) comprising a pipe body (4) and an annulus (6), the method comprising: (A) lowering a pipe expansion device (14, 20) into the pipe body (4) to a selected location; (B) with the pipe expansion device (14, 20), expanding a section (L) of the pipe body (4) until contact with a wellbore wall (8), thus forming an expanded pipe section (18) closing the annulus (6); (C) lowering a fusible solid material (40) into the expanded pipe section (18); (D) lowering a heating tool (32) into the expanded pipe section (18); (E) activating the heating tool (32) and melting the fusible solid material (40) and allowing a molten mass (40´) thereof to fill a cross-sectional portion of the expanded pipe section (18); and (F) deactivating the heating tool (32) and allowing the molten mass (40´) to solidify and form the cross-sectional seal (40´´). (Figure 9)

公开(公告)号：WO2015034369A1

公开(公告)日：2015-03-12

申请号：PCT/NO2014/050151

申请日：2014-08-26

Applicant: HYDRA SYSTEMS AS

Inventor： LARSEN, Arne Gunnar ,  JENSEN, Roy Inge ,  ANDERSEN, Patrick ,  ENGELSGJERD, Erlend ,  IUELL, Markus ,  DAHL, Arnt Olav ,  ØSTVOLD, Arnold ,  MYHRE, Morten

IPC: E21B33/13 ,  E21B37/00 ,  E21B43/32

CPC classification number: E21B33/14 ,  E21B33/13 ,  E21B37/00 ,  E21B43/11

Abstract: A method for isolation of a permeable zone (10, 11) in a subterranean well (1), wherein the well (1) is provided with a pipe body (211), wherein the method comprises the following steps: (A) lowering a perforation tool (33) into the pipe body (211); (B) forming holes (213) in the pipe body (211) along a longitudinal section (LI); (C) pumping a flushing fluid (36) out through outlets (351) in a flushing tool (35), into the pipe body (211) and further out into an annulus (5); (D) pumping a fluidized plugging material (37) out through the flushing tool (35), into the pipe body (211) and further out into the annulus (5); (E) placing the fluidized plugging material (37) along the longitudinal section (LI) so as to form a plug (25) across the cross section (Tl) of the well, whereby the plug (25) fills the pipe body (211) and the annulus (5); wherein at least one outlet (351) in the flushing tool (35) is angled non-perpendicularly relative to a longitudinal axis of the flushing tool (35), whereby a corresponding discharge jet also will be non-perpendicular to the longitudinal axis.

Abstract translation: 一种用于分离地下井（1）中的渗透区（10,11）的方法，其中所述井（1）设置有管体（211），其中所述方法包括以下步骤：（A）降低 穿孔工具（33）进入管体（211）; （B）沿着纵向部分（LI）在管体（211）中形成孔（213）; （C）通过冲洗工具（35）中的出口（351）将冲洗流体（36）抽出进入管体（211）并进一步流入环空（5）中; （D）将流化堵塞材料（37）通过冲洗工具（35）排出到管体（211）中并进一步流入环空（5）中; （E）沿着所述纵向部分（LI）放置所述流化堵塞材料（37），以跨过所述井的横截面（T1）形成塞子（25），由此所述塞子（25）填充所述管体（211） ）和环（5）; 其中冲洗工具（35）中的至少一个出口（351）相对于冲洗工具（35）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纵向轴线。