The present disclosure relates generally to wellbore casings, and in particular to wellbore casings that are formed using expandable tubing.
Referring initially to
Referring now to
An expansion device 212 is centrally positioned within and mates with the tubular launcher assembly 208. The expansion device 212 defines a centrally positioned fluid pathway 212a, and includes a lower section 212b, a middle section 212c, and an upper section 212d. The lower section 212b of the expansion device 212 defines an inclined expansion surface 212ba that supports the tubular launcher assembly 208 by mating with the tapered tubular transition member 208c of the tubular launcher assembly. The upper section 212d of the expansion device 212 is coupled to an end of a tubular member 218 that defines a fluid pathway 218a. The fluid pathway 218a of the tubular member 218 is fluidicly coupled to the fluid pathway 212a defined by the expansion device 212. One or more spaced apart cup seals 220 and 222 are coupled to the outside surface of the tubular member 218 for sealing against the interior surface of the expandable tubular member 202. In an exemplary embodiment, cup seal 222 is positioned near a top end of the expandable tubular member 202. A top fluid valve 224 is coupled to the tubular member 218 above the cup seal 222 and defines a fluid pathway 226 that is fluidicly coupled to the fluid pathway 218a.
During operation of the device 200, as illustrated in
Referring now to
Referring now to
Referring now to
Referring now to
Referring now to
In an exemplary embodiment, the expansion device 212 consists of one or more of the expansion devices 600 and 700.
Referring now to
In an exemplary embodiment, tungsten disulfide is applied to the outside expansion surface 702 of the expansion cone 700.
Referring now to
Alternative methods of applying tungsten disulfide include, but are not limited to, mixing the tungsten disulfide powder with a carrier, such as, for example, isopropyl alcohol, and buffing the mixture onto the outside surfaces of the expansion cone.
Reduced expansion and initiation forces are achieved by the coating of tungsten disulfide on the expansion surface of an expansion device. Alternatively, or in addition to the application of tungsten disulfide to the expansion surface of an expansion device, reduced expansion and initiation forces may also be achieved by the coating of tungsten disulfide on the interior surface of an expandable tubular member.
An expansion device for radially expanding a tubular member has been described that includes a first outer surface comprising a first angle of attack; wherein the first outer surface comprises a tungsten disulfide coating and the first angle of attack ranges from about 8 to 20 degrees. A second outer surface comprising a second angle of attack coupled to the first outer surface; wherein the second outer surface comprises a tungsten disulfide coating; the second angle of attack ranges from about 4 to 15 degrees; and wherein the first angle of attack is greater than the second angle of attack. A rear end is coupled to the second outer surface.
An expandable tubular member for traversing a borehole in a subterranean formation has been described that includes a tungsten disulfide coating applied to the interior surface of the expandable tubular member.
An expansion device for radially expanding a tubular member has been described that includes a first outer surface comprising a first angle of attack; wherein the first outer surface comprises a tungsten disulfide coating. A second outer surface comprising a second angle of attack coupled to the first outer surface; wherein the second outer surface comprises a tungsten disulfide coating. The first angle of attack is greater than the second angle of attack. One or more intermediate outer surfaces are coupled between the first and second outer surfaces; wherein the one or more intermediate outer surfaces comprise a tungsten disulfide coating. The angle of attack of the intermediate outer surfaces continually decreases from the first outer surface to the second outer surface and is defined by a parabolic equation.
An expansion system for radially expanding a tubular member has been described that includes an expansion device comprising a first outer surface comprising a first angle of attack; wherein the first angle of attack ranges from about 8 to 20 degrees. The expansion device further comprises a second outer surface comprising a second angle of attack coupled to the first outer surface; wherein the second angle of attack ranges from about 4 to 15 degrees and the first angle of attack is greater than the second angle of attack. A rear end is coupled to the second outer surface and there are means for displacing the expansion device relative to the expandable tubular member. A tungsten disulfide coating is applied to at least one of the following surfaces: the interior surface of the expandable tubular member and the first and second outer surfaces of the expansion device.
An expansion system for radially expanding a tubular member has been described that includes an expansion device comprising a first outer surface comprising a first angle of attack and a second outer surface comprising a second angle of attack coupled to the first outer surface. The first angle of attack is greater than the second angle of attack and the expansion device further comprises one or more intermediate outer surfaces coupled between the first and second outer surfaces; wherein the angle of attack of the intermediate outer surfaces continually decreases from the first outer surface to the second outer surface. The angle of attack of the outer surfaces is defined by a parabolic equation; and there are means for displacing the expansion device in an expandable tubular member. A tungsten disulfide coating is applied to at least one of the following surfaces: the interior surface of the expandable tubular member and the first, second, and intermediate outer surfaces of the expansion device.
A method of expanding an expandable tubular member has been described that includes radially expanding at least a portion of the tubular member by extruding at least a portion of the tubular member off of an expansion device; wherein the expansion device comprises a first outer surface comprising a first angle of attack that ranges from about 8 to 20 degrees. A second outer surface comprising a second angle of attack is coupled to the first outer surface, the second angle of attack ranges from about 4 to 15 degrees and the first angle of attack is greater than the second angle of attack. A tungsten disulfide coating is applied to at least one of the following surfaces: the interior surface of the expandable tubular member and the first and second outer surfaces of the expansion device. A rear end is coupled to the second outer surface.
A method of expanding an expandable tubular member has been described that includes radially expanding at least a portion of the tubular member by extruding at least a portion of the tubular member off of an expansion device. The expansion device comprises a first outer surface comprising a first angle of attack, and a second outer surface comprising a second angle of attack is coupled to the first outer surface. The first angle of attack is greater than the second angle of attack; and the expansion device further comprises one or more intermediate outer surfaces coupled between the first and second outer surfaces. A tungsten disulfide coating is applied to at least one of the following surfaces: the interior surface of the expandable tubular member and the first, second, and intermediate outer surfaces of the expansion device. The angle of attack of the intermediate outer surfaces continually decreases from the first outer surface to the second outer surface, and the angle of attack of the outer surfaces is defined by a parabolic equation.
Although illustrative embodiments of the invention have been shown and described, a wide range of modification, changes and substitution is contemplated in the foregoing disclosure. In some instances, some features of the present invention may be employed without a corresponding use of the other features, and some steps of the present invention may be executed without a corresponding execution of other steps. Accordingly, all such modifications, changes and substitutions are intended to be included within the scope of this invention as defined in the following claims, and it is appropriate that the claims be construed broadly and in a manner consistent with the scope of the invention. In the claims, means-plus-function clauses are intended to cover the structures described herein as performing the recited function and not only structural equivalents, but also equivalent structures.
This application is a continuation of U.S. patent application Ser. No. 10/199,524, attorney docket number 25791.100, filed on Jul. 19, 2002, which is a continuation of U.S. patent application Ser. No. 09/454,139, attorney docket number 25791.3.02, filed Dec. 3, 1999 (now U.S. Pat. No. 6,497,289, issued Dec. 24, 2002) which claimed priority to U.S. provisional patent application Ser. No. 60/111,293, attorney docket no. 25791.3, filed on Dec. 7, 1998, the disclosure of which is incorporated herein by reference. This application is related to the following co-pending applications: (1) U.S. Pat. No. 6,497,289, which was filed as U.S. patent application Ser. No. 09/454,139, attorney docket no. 25791.03.02, filed on Dec. 3, 1999 from provisional application 60/111,293, filed on Dec. 7, 1998, (2) U.S. patent application Ser. No. 09/510,913, attorney docket no. 25791.7.02, filed on Feb. 23, 2000, which claims priority from provisional application 60/121,702, filed on Feb. 25, 1999, (3) U.S. patent application Ser. No. 09/502,350, attorney docket no. 25791.8.02, filed on Feb. 10, 2000, which claims priority from provisional application 60/119,611, filed on Feb. 11, 1999, (4) U.S. Pat. No. 6,328,113, which was filed as U.S. patent application Ser. No. 09/440,338, attorney docket number 25791.9.02, filed on Nov. 15, 1999, which claims priority from provisional application 60/108,558, filed on Nov. 16, 1998, (5) U.S. patent application Ser. No. 10/169,434, attorney docket no. 25791.10.04, filed on Jul. 1, 2002, which claims priority from provisional application 60/183,546, filed on Feb. 18, 2000, (6) U.S. patent application Ser. No. 09/523,468, attorney docket no. 25791.11.02, filed on Mar. 10, 2000, which claims priority from provisional application 60/124,042, filed on Mar. 11, 1999, (7) U.S. Pat. No. 6,568,471, which was filed as patent application Ser. No. 09/512,895, attorney docket no. 25791.12.02, filed on Feb. 24, 2000, which claims priority from provisional application 60/121,841, filed on Feb. 26, 1999, (8) U.S. Pat. No. 6,575,240, which was filed as patent application Ser. No. 09/511,941, attorney docket no. 25791.16.02, filed on Feb. 24, 2000, which claims priority from provisional application 60/121,907, filed on Feb. 26, 1999, (9) U.S. Pat. No. 6,557,640, which was filed as patent application Ser. No. 09/588,946, attorney docket no. 25791.17.02, filed on Jun. 7, 2000, which claims priority from provisional application 60/137,998, filed on Jun. 7, 1999, (10) U.S. patent application Ser. No. 09/981,916, attorney docket no. 25791.18, filed on Oct. 18, 2001 as a continuation-in-part application of U.S. Pat. No. 6,328,113a, which was filed as U.S. patent application Ser. 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No. 60/412,542, attorney docket no. 25791.102, filed on Sep. 20, 2002, (76) PCT application US 03/14153, filed on May 6, 2003, attorney docket no. 25791.104.02, which claims priority from U.S. provisional patent application Ser. No. 60/380,147, attorney docket no. 25791.104, filed on May 6, 2002, (77) PCT application US 03/19993, filed on Jun. 24, 2003, attorney docket no. 25791.106.02, which claims priority from U.S. provisional patent application Ser. No. 60/397,284, attorney docket no. 25791.106, filed on Jul. 19, 2002, (78) PCT application US 03/13787, filed on May 5, 2003, attorney docket no. 25791.107.02, which claims priority from U.S. provisional patent application Ser. No. 60/387,486, attorney docket no. 25791.107, filed on Jun. 10, 2002, (79) PCT application US 03/18530, filed on Jun. 11, 2003, attorney docket no. 25791.108.02, which claims priority from U.S. provisional patent application Ser. No. 60/387,961, attorney docket no. 25791.108, filed on Jun. 12, 2002, (80) PCT application US 03/20694, filed on Jul. 1, 2003, attorney docket no. 25791.110.02, which claims priority from U.S. provisional patent application Ser. No. 60/398,061, attorney docket no. 25791.110, filed on Jul. 24, 2002, (81) PCT application US 03/20870, filed on Jul. 2, 2003, attorney docket no. 25791.111.02, which claims priority from U.S. provisional patent application Ser. No. 60/399,240, attorney docket no. 25791.111, filed on Jul. 29, 2002, (82) U.S. provisional patent application Ser. No. 60/412,487, attorney docket no. 25791.112, filed on Sep. 20, 2002, (83) U.S. provisional patent application Ser. No. 60/412,488, attorney docket no. 25791.114, filed on Sep. 20, 2002, (84) U.S. patent application Ser. No. 10/280,356, attorney docket no. 25791.115, filed on Oct. 25, 2002, which is a continuation of U.S. Pat. No. 6,470,966, which was filed as patent application Ser. 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No. 60/412,544, attorney docket no. 25791.121, filed on Sep. 20, 2002, (90) PCT application US 03/24779, filed on Aug. 8, 2003, attorney docket no. 25791.125.02, which claims priority from U.S. provisional patent application Ser. No. 60/407,442, attorney docket no. 25791.125, filed on Aug. 30, 2002, (91) U.S. provisional patent application Ser. No. 60/423,363, attorney docket no. 25791.126, filed on Dec. 10, 2002, (92) U.S. provisional patent application Ser. No. 60/412,196, attorney docket no. 25791.127, filed on Sep. 20, 2002, (93) U.S. provisional patent application Ser. No. 60/412,187, attorney docket no. 25791.128, filed on Sep. 20, 2002, (94) U.S. provisional patent application Ser. No. 60/412,371, attorney docket no. 25791.129, filed on Sep. 20, 2002, (95) U.S. patent application Ser. No. 10/382,325, attorney docket no. 25791.145, filed on Mar. 5, 2003, which is a continuation of U.S. Pat. No. 6,557,640, which was filed as patent application Ser. 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No. 60/453,678, attorney docket no. 25791.253, filed on Mar. 11, 2003, (110) U.S. patent application Ser. No. 10/421,682, attorney docket no. 25791.256, filed on Apr. 23, 2003, which is a continuation of U.S. patent application Ser. No. 09/523,468, attorney docket no. 25791.11.02, filed on Mar. 10, 2000, which claims priority from provisional application 60/124,042, filed on Mar. 11, 1999, (111) U.S. provisional patent application Ser. No. 60/457,965, attorney docket no. 25791.260, filed on Mar. 27, 2003, (112) U.S. provisional patent application Ser. No. 60/455,718, attorney docket no. 25791.262, filed on Mar. 18, 2003, (113) U.S. Pat. No. 6,550,821, which was filed as patent application Ser. No. 09/811,734, filed on Mar. 19, 2001, (114) U.S. patent application Ser. No. 10/436,467, attorney docket no. 25791.268, filed on May 12, 2003, which is a continuation of U.S. Pat. No. 6,604,763, which was filed as application Ser. 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PCT/US04/06246, attorney docket no. 25791.238.02, filed on Feb. 26, 2004, (123) PCT patent application serial number PCT/US04/08170, attorney docket number 25791.40.02, filed on Mar. 15, 2004, (124) PCT patent application serial number PCT/US04/08171, attorney docket number 25791.236.02, filed on Mar. 15, 2004, (125) PCT patent application serial number PCT/US04/08073, attorney docket number 25791.262.02, filed on Mar. 18, 2004, (126) PCT patent application serial number PCT/US04/07711, attorney docket number 25791.253.02, filed on Mar, 11, 2004, (127) PCT patent application serial number PCT/US2004/009434, attorney docket number 25791.260.02, filed on Mar. 26, 2004, (128) PCT patent application serial number PCT/US2004/010317, attorney docket number 25791.270.02, filed on Apr. 2, 2004, (129) PCT patent application serial number PCT/US2004/010712, attorney docket number 25791.272.02, filed on Apr. 7, 2004, (130) PCT patent application serial number PCT/US2004/010762, attorney docket number 25791.273.02, filed on Apr. 6, 2004, (131) PCT patent application serial number PCT/2004/011973, attorney docket number 25791.277.02, filed on Apr. 15, 2004, (132) U.S. provisional patent application Ser. No. 60/495,056, attorney docket number 25791.301, filed on Aug. 14, 2003, (133) U.S. provisional patent application Ser. No. 60/600679, attorney docket number 25791.194, filed on Aug. 11, 2004, (134) PCT patent application serial number PCT/US2005/027318, attorney docket number 25791.329.02, filed on Jul. 29, 2005, the disclosures of which are incorporated herein by reference. (135) PCT patent application serial number PCT/US2005/028936, attorney docket number 25791.338.02, filed on Aug. 12, 2005, (136) PCT patent application serial number PCT/US2005/028669, attorney docket number 25791.194.02, filed on Aug. 11, 2005, (137) PCT patent application serial number PCT/US2005/028453, attorney docket number 25791.371, filed on Aug. 11, 2005, (138) PCT patent application serial number PCT/US2005/028641, attorney docket number 25791.372, filed on Aug. 11, 2005, (139) PCT patent application serial number PCT/US2005/028819, attorney docket number 25791.373, filed on Aug. 11, 2005, (140) PCT patent application serial number PCT/US2005/028446, attorney docket number 25791.374, filed on Aug. 11, 2005, (141) PCT patent application serial number PCT/US2005/028642, attorney docket number 25791.375, filed on Aug. 11, 2005, (142) PCT patent application serial number PCT/US2005/028451, attorney docket number 25791.376, filed on Aug. 11, 2005, and (143). PCT patent application serial number PCT/US2005/028473, attorney docket number 25791.377, filed on Jul. 29, 2005, (144) U.S. National Stage application Ser. No. 10/546084, attorney docket no. 25791.185.05, filed on Aug. 17, 2005; (145) U.S. National Stage application Ser. No. 10/546082, attorney docket no. 25791.378, filed on Aug. 17, 2005; (146) U.S. National Stage application Ser. No. 10/546076, attorney docket no. 25791.379, filed on Aug. 17, 2005; (147) U.S. National Stage application Ser. No. 10/546936, attorney docket no. 25791.380, filed on Aug. 17, 2005; (148) U.S. National Stage application Ser. No. 10/546079, attorney docket no. 25791.381, filed on Aug. 17, 2005; (149) U.S. National Stage application Ser. No. 10/545941, attorney docket no. 25791.382, filed on Aug. 17, 2005; (150) U.S. National Stage application Ser. No. 10/546078, attorney docket no. 25791.383, filed on Aug. 17, 2005; (151) U.S. Provisional Patent Application No. 60/702935, attorney docket no. 25791.133filed on Jul. 27, 2005; (152) U.S. National Stage application Ser. No. 10/548934, attorney docket no. 25791.253.05, filed on Sep. 12, 2005; (153) U.S. National Stage application Ser. No. 10/549410, attorney docket no. 25791.262.05, filed on Sep. 13, 2005; (154) U.S. Provisional Patent Application No. 60/717391, attorney docket no. 25791.214 filed on Sep. 15, 2005; (155) U.S. National Stage application Ser. No. 10/550906, attorney docket no. 25791.260.06, filed on Sep. 27, 2005; (156) U.S. Provisional Patent Application No. 60/721579, attorney docket no. 25791.327 filed on Sep. 28, 2005; (157) U.S. National Stage application Ser. No. 10/551880, attorney docket no. 25791.270.06, filed on Sep. 30, 2005; (158) U.S. National Stage application Ser. No. 10/552253, attorney docket no. 25791.273.06, filed on Oct. 4, 2005; (159) U.S. National Stage application Ser. No. 10/552790, attorney docket no. 25791.272.06, filed on Oct. 11, 2005; (160) U.S. Provisional Patent Application No. 60/725181, attorney docket no. 25791.184 filed on Oct. 11, 2005; (161) U.S. National Stage application Ser. No. 10/553094, attorney docket no. 25791.193.03, filed on Oct. 13, 2005; (162) U.S. Utility patent application Ser. No. 11/249967, attorney docket no. 25791.384 filed on Oct. 13, 2005; (163) U.S. National Stage application Ser. No. 10/553566, attorney docket no. 25791.277.06, filed on Oct. 17, 2005; (164) U.S. Provisional Patent Application No. 60/721579, attorney docket no. 25791.327 filed on Nov. 4, 2005; (165) U.S. Provisional Patent Application No. 60/734302, attorney docket no. 25791.24 filed on Nov. 7, 2005; (166) PCT Patent Application No. PCT/US2005/______, attorney docket no. 25791.326.02; (167) PCT Patent Application No. PCT/US2006/______, attorney docket no. 25791.324.02 filed on Jan. 20, 2006, and (168) PCT Patent Application No. PCT/US2006/______, attorney docket no. 25791.348.02 filed on Feb. 9, 2006 the disclosures of which are incorporated herein by reference.
Number | Date | Country | |
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60111293 | Dec 1998 | US |
Number | Date | Country | |
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Parent | 10199524 | Jul 2002 | US |
Child | 11356899 | Feb 2006 | US |
Parent | 09454139 | Dec 1999 | US |
Child | 10199524 | Jul 2002 | US |