US2008093068A1PendingUtilityA1
System for Lining a Wellbore Casing
Assignee: ENVENTURE GLOBAL TECHNOLOGYPriority: Sep 6, 2001Filed: Dec 21, 2007Published: Apr 24, 2008
Est. expirySep 6, 2021(expired)· nominal 20-yr term from priority
E21B 43/108E21B 29/10
43
PatentIndex Score
0
Cited by
0
References
0
Claims
Abstract
A system for lining a wellbore casing includes a support member, an expansion device coupled to an end of the support member, and a tubular liner coupled to the expansion device. The tubular liner includes an expandable tubular member that includes a first tubular portion, a second tubular portion, and an intermediate tubular portion coupled between the first and second tubular portions. The expandable tubular member also includes a sealing member coupled to the exterior surface of the intermediate tubular portion.
Claims
exact text as granted — not AI-modified1 - 48 . (canceled)
49 . 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, wherein the tubular liner comprises: one or more expandable tubular members that each comprise: a first tubular portion, a second tubular portion, and 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, and wherein the inside diameters of the first and second tubular portions are greater than the inside diameter of the intermediate tubular portion.
50 . The system of claim 49 , wherein the wall thicknesses of the first and second tubular portions are greater than the wall thickness of the intermediate tubular portion.
51 . The system of claim 49 , wherein each 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, and wherein 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.
52 . The system of claim 49 , wherein the outside diameter of the intermediate tubular portion ranges from about 75 percent to about 98 percent of the outside diameters of the first and second tubular portions.
53 . The system of claim 49 , wherein the burst strength of the first and second tubular portions is substantially equal to the burst strength of the intermediate tubular portion.
54 . The system of claim 49 , wherein the ratio of the inside diameters of the first and second tubular portions to the interior diameter of the intermediate tubular portion ranges from greater than 100 to about 120 percent.
55 . The system of claim 49 , wherein the relationship between the wall thicknesses t 1 , t 2 , and t INT of the first tubular portion, the second tubular portion, and the intermediate tubular portion, respectively, of the expandable tubular members, the inside diameters D 1 , D 2 and D NT of the first tubular portion, the second tubular portion, and the intermediate tubular portion, respectively, of the expandable tubular members, and the inside diameter D wellbore of the wellbore casing that the expandable tubular members will be inserted into, and the outside diameter D cone of the expansion device that will be used to radially expand the expandable tubular members within the wellbore casing is given by the following expression:
Dwellbore
-
2
*
t
1
≥
D
1
≥
1
t
1
[
(
t
1
-
t
INT
)
*
D
cone
+
t
INT
*
D
INT
]
;
wherein t 1 =t 2 ; and wherein D 1 =D 2 .
56 . The system of claim 49 , wherein the expansion device comprises a plurality of adjacent discrete tapered sections.
57 . The system of claim 56 , wherein an 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.
58 . The system of claim 49 , wherein the expansion device comprises a paraboloid body.
59 . The system of claim 58 , wherein an 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.
60 . The system of claim 49 , wherein the tubular liner comprises a plurality of expandable tubular members and one or more other tubular members, and
wherein the other tubular members are interleaved among the expandable tubular members.
61 . A system for lining a wellbore casing, comprising:
an expansion device; and a tubular liner coupled to the expansion device, wherein the tubular liner comprises: one or more expandable tubular members that each comprise: a first tubular portion, a second tubular portion, and 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, and wherein the inside diameters of the first and second tubular portions are greater than the inside diameter of the intermediate tubular portion.
62 . The system of claim 61 , wherein the burst strength of the first and second tubular portions is substantially equal to the burst strength of the intermediate tubular portion.
63 . The system of claim 61 , wherein the wall thicknesses of the first and second tubular portions are greater than the wall thickness of the intermediate tubular portion.
64 . The system of claim 61 , wherein each 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, and wherein 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.
65 . The system of claim 61 , wherein the outside diameter of the intermediate tubular portion ranges from about 75 percent to about 98 percent of the outside diameters of the first and second tubular portions.
66 . The system of claim 61 , wherein the ratio of the inside diameters of the first and second tubular portions to the interior diameter of the intermediate tubular portion ranges from greater than 100 to about 120 percent.
67 . The system of claim 61 , wherein the relationship between the wall thicknesses t 1 , t 2 , and t INT of the first tubular portion, the second tubular portion, and the intermediate tubular portion, respectively, of the expandable tubular members, the inside diameters D 1 , D 2 and D INT of the first tubular portion, the second tubular portion, and the intermediate tubular portion, respectively, of the expandable tubular members, and the inside diameter D wellbore of the wellbore casing that the expandable tubular members will be inserted into, and the outside diameter D cone of the expansion device that will be used to radially expand the expandable tubular members within the wellbore casing is given by the following expression:
Dwellbore
-
2
*
t
1
≥
D
1
≥
1
t
1
[
(
t
1
-
t
INT
)
*
D
cone
+
t
INT
*
D
INT
]
;
wherein t 1 =t 2 ; and wherein D 1 =D 2 .
68 . A liner for lining a wellbore casing, comprising:
a first tubular portion, a second tubular portion, and 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.
69 . The liner of claim 68 , wherein the burst strength of the first and second tubular portions is substantially equal to the burst strength of the intermediate tubular portion.
70 . The liner of claim 68 , wherein the wall thicknesses of the first and second tubular portions are greater than the wall thickness of the intermediate tubular portion.
71 . The liner of claim 68 , wherein each 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, and wherein 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.
72 . The liner of claim 68 , wherein the outside diameter of the intermediate tubular portion ranges from about 75 percent to about 98 percent of the outside diameters of the first and second tubular portions.
73 . The liner of claim 68 , wherein the ratio of the inside diameters of the first and second tubular portions to the interior diameter of the intermediate tubular portion ranges from greater than 100 to about 120 percent.
74 . The liner of claim 68 , wherein the relationship between the wall thicknesses t 1 , t 2 , and t INT of the first tubular portion, the second tubular portion, and the intermediate tubular portion, respectively, of the expandable tubular members, the inside diameters D 1 , D 2 and D INT of the first tubular portion, the second tubular portion, and the intermediate tubular portion, respectively, of the expandable tubular members, and the inside diameter D wellbore of the wellbore casing that the expandable tubular members will be inserted into, and the outside diameter D cone of the expansion device that will be used to radially expand the expandable tubular members within the wellbore casing is given by the following expression:
Dwellbore
-
2
*
t
1
≥
D
1
≥
1
t
1
[
(
t
1
-
t
INT
)
*
D
cone
+
t
INT
*
D
INT
]
;
wherein t 1 =t 2 ; and wherein D 1 =D 2 .
75 . An expansion device, comprising:
a paraboloid body.
76 . A system for lining a wellbore casing, comprising:
an expansion device coupled to an end of the support member; and a tubular liner coupled to the expansion device, wherein the tubular liner comprises: one or more expandable tubular members that each comprise: a first tubular portion, a second tubular portion, and 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 expansion device comprises a plurality of adjacent discrete tapered sections.
77 . The system of claim 76 , wherein an 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.
78 . A system for lining a wellbore casing, comprising:
an expansion device coupled to an end of the support member; and a tubular liner coupled to the expansion device, wherein the tubular liner comprises: one or more expandable tubular members that each comprise: a first tubular portion, a second tubular portion, and 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 expansion device comprises a paraboloid body.
79 . The system of claim 78 , wherein an 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.
80 . A system for lining a wellbore casing, comprising:
an expansion device coupled to an end of the support member; and a tubular liner coupled to the expansion device, wherein the tubular liner comprises: one or more expandable tubular members that each comprise: a first tubular portion, a second tubular portion, and 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, wherein the tubular liner comprises a plurality of expandable tubular members and one or more other tubular members, and wherein the other tubular members are interleaved among the expandable tubular members.
81 . A tubular liner system, comprising:
a plurality of expandable tubular members that each comprise: a first tubular portion, a second tubular portion, and an intermediate tubular portion coupled between the first and second tubular portions, the inside diameters of the first and second tubular portions being greater than the inside diameter of the intermediate tubular portion; a sealing member coupled to the exterior surface of the intermediate tubular portion; and a plurality of other tubular members interleaved among the expandable tubular members.Join the waitlist — get patent alerts
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