US2007169944A1PendingUtilityA1
System for lining a wellbore casing
Est. expiryJul 9, 2019(expired)· nominal 20-yr term from priority
E21B 43/103E21B 43/105
38
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Claims
Abstract
A system for lining a wellbore casing.
Claims
exact text as granted — not AI-modified1 . A system for lining a wellbore casing, comprising:
a tubular support member defining a first passage; a tubular expansion cone defining a second passage fluidicly coupled to the first passage coupled to an end of the tubular support member and comprising a tapered end; a tubular liner coupled to and supported by the tapered end of the tubular expansion cone; and a shoe defining a valveable passage coupled to an end of the tubular liner; wherein the tubular liner comprises an expandable tubular member that comprises:
first and second tubular portions;
an intermediate tubular portion coupled between the first and second tubular portions; and
a sealing member coupled to the exterior surface of the intermediate tubular portion;
wherein the inside diameters of the first and second tubular portions are greater than the inside diameter of the intermediate tubular portion; and
wherein the inside diameter of the first tubular portion is greater than the inside diameter of the second tubular portion.
2 . The system of claim 1 wherein the inside diameter of the first tubular portion is about 5% greater than the inside diameter of the second tubular portion.
3 . The system of claim 1 wherein the wall thicknesses of the first and second tubular portions are greater than the wall thickness of the intermediate tubular portion.
4 . The system of claim 1 wherein the expandable tubular member further comprises:
a first tubular tapered transitionary portion coupled between the first tubular portion and the intermediate tubular portion; and a second tubular tapered transitionary portion coupled between the second tubular portion and the intermediate tubular portion; wherein the angles of inclination of the first and second tapered tubular transitionary portions relative to the intermediate tubular portion ranges from greater than 0 to about 30 degrees.
5 . The system of claim 1 wherein the outside diameter of the intermediate tubular portion ranges from about 75 percent to about 98 percent of the outside diameters of the second tubular portion.
6 . The system of claim 1 wherein the burst strength of the first and second tubular portions is substantially equal to the burst strength of the intermediate tubular portion.
7 . The system of claim 1 wherein the ratio of the inside diameter of the second tubular portion to the interior diameter of the intermediate tubular portion ranges from greater than 100 to about 120 percent.
8 . The system of claim 1 wherein the tapered end of the tubular expansion cone comprises a plurality of adjacent discrete tapered sections.
9 . The system of claim 8 wherein the angle of attack of the adjacent discrete tapered sections increases in a continuous manner from one end of the tubular expansion cone to the opposite end of the tubular expansion cone.
10 . The system of claim 1 wherein the tapered end of the tubular expansion cone comprises a paraboloid body.
11 . The system of claim 10 wherein the angle of attack of the outer surface of the paraboloid body increases in a continuous manner from one end of the paraboloid body to the opposite end of the paraboloid body.
12 . The system of claim 1 wherein the tubular liner comprises a plurality of expandable tubular members and a plurality of other tubular members, and wherein the other tubular members are interleaved among the expandable tubular members.
13 . A method of lining a wellbore casing, comprising:
positioning a tubular liner within the wellbore casing; and radially expanding one or more discrete portions of the tubular liner into engagement with the wellbore casing; wherein the tubular liner comprises an expandable tubular member that comprises:
first and second tubular portions;
an intermediate tubular portion coupled between the first and second tubular portions; and
a sealing member coupled to the exterior surface of the intermediate tubular portion;
wherein the inside diameters of the first and second tubular portions are greater than the inside diameter of the intermediate tubular portion; and
wherein the inside diameter of the first tubular portion is greater than an inside diameter of the second tubular portion.
14 . The method of claim 13 wherein the inside diameter of the first tubular portion is about 5% greater than an inside diameter of the second tubular portion.
15 . The method of claim 13 wherein a plurality of discrete portions of the tubular liner are radially expanded into engagement with the wellbore casing.
16 . The method of claim 15 wherein the remaining portions of the tubular liner are not radially expanded.
17 . The method of claim 15 wherein the discrete portions of the tubular liner are radially expanded by injecting a fluidic material into the tubular liner.
18 . The method of claim 13 wherein the tubular liner comprises a plurality of expandable tubular members, wherein one or more of the expandable tubular members are radially expanded into engagement with the wellbore casing, and wherein a plurality of the expandable tubular members are not radially expanded into engagement with the well bore casing.
19 . A system for lining a wellbore casing, comprising:
means for positioning a tubular liner within the wellbore casing; and means for radially expanding one or more discrete portions of the tubular liner into engagement with the wellbore casing; wherein the tubular liner comprises an expandable tubular member that comprises:
first and second tubular portions;
an intermediate tubular portion coupled between the first and second tubular portions; and
a sealing member coupled to the exterior surface of the intermediate tubular portion;
wherein the inside diameters of the first and second tubular portions are greater than the inside diameter of the intermediate tubular portion; and
wherein the inside diameter of the first tubular portion is greater than the inside diameter of the second tubular portion.
20 . The system of claim 19 wherein the inside diameter of the first tubular portion is about 5% greater than the inside diameter of the second tubular portion.
21 . The system of claim 19 wherein a plurality of discrete portions of the tubular liner are radially expanded into engagement with the wellbore casing.
22 . The system of claim 21 wherein remaining portions of the tubular liner are not radially expanded.
23 . The system of claim 21 wherein the discrete portions of the tubular liner are radially expanded by injecting a fluidic material into the tubular liner.
24 . The system of claim 19 wherein the tubular liner comprises a plurality of tubular members, wherein one or more of the tubular members are radially expanded into engagement with the wellbore casing, and wherein a plurality of the tubular members are not radially expanded into engagement with the wellbore casing.
25 . An apparatus, comprising:
a subterranean formation defining a borehole; a casing positioned in and coupled to the borehole; and a tubular liner positioned in and coupled to the casing at one or more discrete locations; wherein the tubular liner comprises a radially expanded and plastically deformed tubular member that comprises:
first and second tubular portions;
an intermediate tubular portion coupled between the first and second tubular portions; and
a sealing member coupled to the exterior surface of the intermediate tubular portion that engages the interior surface of the casing;
wherein the intermediate tubular portion is radially expanded and plastically deformed;
wherein the first and second tubular portions are not radially expanded and plastically deformed; and
wherein the first tubular portion is greater in diameter than the second tubular portion.
26 . The apparatus of claim 25 wherein the inside diameter of the first tubular portion is about 5% greater than an inside diameter of the second tubular portion.
27 . The system of claim 25 wherein the tubular liner comprises a plurality of radially expanded and plastically deformed tubular members.
28 . A system for lining a wellbore casing, comprising:
a support member; an expansion device coupled to an end of the support member; and a tubular liner coupled to the expansion device that comprises:
a first expandable tubular member that comprises:
first and second tubular portions;
a first intermediate tubular portion coupled between the first and second tubular portions; and
a first sealing member coupled to the exterior surface of the first intermediate tubular portion;
wherein the inside diameters of the first and second tubular portions are greater than the inside diameter of the intermediate tubular portion; and
wherein the inside diameter of the first tubular portion is greater than an inside diameter of the second tubular portion; and
one or more second expandable tubular members that each comprise:
third and fourth tubular portions;
a second intermediate tubular portion coupled between the third and fourth tubular portions; and
a second sealing member coupled to the exterior surface of the second intermediate tubular portion;
wherein the inside diameters of the first, second, third and fourth tubular portions are greater than the inside diameters of the first and second intermediate tubular portions.
29 . The system of claim 28 wherein the inside diameter of the first tubular portion is about 5% greater than an inside diameter of the second tubular portion.
30 . The system of claim 28 wherein the wall thicknesses of the first, second, third and fourth tubular portions are greater than the wall thicknesses of the first and second intermediate tubular portions.
31 . The system of claim 28 wherein the first expandable tubular member further comprises:
a first tubular tapered transitionary portion coupled between the first tubular portion and the first intermediate tubular portion; and a second tubular tapered transitionary portion coupled between the second tubular portion and the first intermediate tubular portion; wherein the angles of inclination of the first and second tapered tubular transitionary portions relative to the first intermediate tubular portion ranges from greater than 0 to about 30 degrees.
32 . The system of claim 31 wherein each of the second expandable tubular members further comprise:
a third tubular tapered transitionary portion coupled between the third tubular portion and the second intermediate tubular portion; and a fourth tubular tapered transitionary portion coupled between the fourth tubular portion and the second intermediate tubular portion; wherein the angles of inclination of the third and fourth tapered tubular transitionary portions relative to the second intermediate tubular portion ranges from greater than 0 to about 30 degrees.
33 . The system of claim 28 wherein the outside diameters of the first and second intermediate tubular portions each range from about 75 percent to about 98 percent of the outside diameters of the second, third and fourth tubular portions.
34 . The system of claim 28 wherein the burst strength of the first, second, third and fourth tubular portions is substantially equal to the burst strength of the first and second intermediate tubular portions.
35 . The system of claim 28 wherein the ratio of the inside diameters of the second, third and fourth tubular portions to the interior diameters of the first and second intermediate tubular portions ranges from greater than 100 to about 120 percent.
36 . The system of claim 28 wherein the expansion device comprises a plurality of adjacent discrete tapered sections.
37 . The system of claim 36 wherein the angle of attack of the adjacent discrete tapered sections increases in a continuous manner from one end of the expansion device to the opposite end of the expansion device.
38 . The system of claim 28 wherein the expansion device comprises an paraboloid body.
39 . The system of claim 38 wherein the angle of attack of the outer surface of the paraboloid body increases in a continuous manner from one end of the paraboloid body to the opposite end of the paraboloid body.
40 . A liner for lining a wellbore casing, comprising:
a first tubular portion; a second tubular portion; an intermediate tubular portion coupled between the first and second tubular portions; and a sealing member coupled to the exterior surface of the intermediate tubular portion; wherein the inside diameters of the first and second tubular portions are greater than the inside diameter of the intermediate tubular portion; and wherein the inside diameter of the first tubular portion is greater than the inside diameter of the second tubular portion.
41 . The liner of claim 40 wherein the inside diameter of the first tubular portion is about 5% greater than the inside diameter of the second tubular portion.
42 . The liner of claim 40 wherein the wall thicknesses of the first and second tubular portions are greater than the wall thickness of the intermediate tubular portion.
43 . The liner of claim 40 further comprising:
a first tubular tapered transitionary portion coupled between the first tubular portion and the intermediate tubular portion; and a second tubular tapered transitionary portion coupled between the second tubular portion and the intermediate tubular portion; wherein the angles of inclination of the first and second tapered tubular transitionary portions relative to the intermediate tubular portion ranges from greater than 0 to about 30 degrees.
44 . The liner of claim 40 wherein the outside diameter of the intermediate tubular portion ranges from about 75 percent to about 98 percent of the outside diameter of the second tubular portion.
45 . The liner of claim 40 wherein the ratio of the inside diameter of the second tubular portion to the interior diameter of the intermediate tubular portion ranges from greater than 100 to about 120 percent.
46 . A method of lining a wellbore casing, comprising:
positioning a tubular liner within the wellbore casing, wherein the tubular liner comprises first and second discrete portions coupled by a conventional threaded connection; and radially expanding the first and second discrete portions of the tubular liner, including the conventional threaded connection, providing a fluid tight seal between the radially expanded first and second discrete portions.
47 . The method of claim 46 wherein radially expanding the first and second discrete portions of the tubular liner and the conventional threaded connection includes radially expanding a diameter of an inner passage extending through the first and second discrete portions and the conventional threaded connection up to about 5%.
48 . A system for lining a wellbore casing, comprising:
means for positioning a tubular liner within the wellbore casing, wherein the tubular liner comprises first and second discrete portions coupled by a conventional threaded connection; and means for radially expanding the first and second discrete portions of the tubular liner, including the conventional threaded connection, providing a fluid tight seal between the radially expanded first and second discrete portions.
49 . The system of claim 48 wherein the radially expanding means includes is configured to radially expand a diameter of an inner passage extending through the first and second discrete portions and the conventional threaded connection up to about 5%.
50 . A liner for lining a wellbore casing, comprising:
a first tubular portion; and a second tubular portion; wherein the first and second tubular portions are coupled by a conventional threaded connection; wherein the first and second tubular portions and the conventional threaded connection are radially expanded up to about 5%; and wherein a fluid tight seal is provided between the radially expanded first and second tubular portions by the radially expanded conventional threaded connection.Join the waitlist — get patent alerts
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