US20050236159A1 - Threaded connection for expandable tubulars - Google Patents

Threaded connection for expandable tubulars Download PDF

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Publication number
US20050236159A1
US20050236159A1 US10528222 US52822205A US20050236159A1 US 20050236159 A1 US20050236159 A1 US 20050236159A1 US 10528222 US10528222 US 10528222 US 52822205 A US52822205 A US 52822205A US 20050236159 A1 US20050236159 A1 US 20050236159A1
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Prior art keywords
wellbore
assembly
expandable
up
borehole
Prior art date
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Abandoned
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US10528222
Inventor
Scott Costa
Lev Ring
Jose Menchaca
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Enventure Global Technology LLC
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Enventure Global Technology LLC
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    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/10Setting of casings, screens, liners or the like in wells
    • E21B43/103Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • E21B43/106Couplings or joints therefor
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods ; Cables; Casings; Tubings
    • E21B17/02Couplings; joints
    • E21B17/04Couplings; joints between rod or the like and bit or between rod and rod or the like
    • E21B17/042Couplings; joints between rod or the like and bit or between rod and rod or the like threaded
    • EFIXED CONSTRUCTIONS
    • E21EARTH DRILLING; MINING
    • E21BEARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B43/00Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/02Subsoil filtering
    • E21B43/10Setting of casings, screens, liners or the like in wells
    • E21B43/103Setting of casings, screens, liners or the like in wells of expandable casings, screens, liners, or the like
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/001Screw-threaded joints; Forms of screw-threads for such joints with conical threads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/08Screw-threaded joints; Forms of screw-threads for such joints with supplementary elements

Abstract

A threaded connection for expandable tubulars.

Description

    CROSS REFERENCE TO RELATED APPLICATIONS
  • The present application is the National Stage patent application for PCT patent application serial number PCT/US2003/025716, attorney docket number 25791.129.02, filed on Aug. 18, 2003, which claimed the benefit of the filing dates of (1) U.S. provisional patent application Ser. No. 60/412,371, attorney docket no 25791.129, filed on Sep. 20, 2002, the disclosures of which are incorporated herein by reference.
  • The present application is a continuation-in-part of U.S. utility patent application Ser. No. ______, attorney docket number 25791.127. ______, filed on ______, which is a National Stage patent application of PCT patent application serial number PCT/2003/025707, attorney docket number 25791.127.02, filed on Aug. 18, 2003, which claimed the benefit of the filing dates of U.S. provisional patent application Ser. No. 60/412,196, attorney docket no 25791.127, filed on Sep. 20, 2002, which was a continuation-in-part of U.S. utility patent application Ser. No. ______, attorney docket number 25791.120. ______, filed on ______, which is a National Stage patent application of PCT patent application serial number PCT/US2003/025676, attorney docket number 25791.120.02, filed on Aug. 18, 2003, which claimed the benefit of the filing dates of U.S. provisional patent application Ser. No. 60/405,394, attorney docket no 25791.120, filed on Aug. 23, 2002, which was a continuation-in-part of U.S. utility patent application Ser. No. ______, attorney docket number 25791.119. ______, filed on ______, which is a National Stage patent application of PCT patent application serial number PCT/US2003/025677, attorney docket number 25791.119.02, filed on Aug. 18, 2003, which claimed the benefit of the filing dates of U.S. provisional patent application Ser. No. 60/405,610 attorney docket no 25791.119, filed on Aug. 23, 2002, which was a continuation-in-part of U.S. utility patent application Ser. No. 10/______, attorney docket number 25791.106.05, filed on Jan. 19, 2005, which was a continuation-in-part of U.S. utility patent application Ser. No. 10/511,410, attorney docket number 25791.101.05, filed on Oct. 14, 2004 which claimed the benefit of the filing date of U.S. provisional patent application Ser. No. 60/372,632, attorney docket number 25791.101, filed on Apr. 15, 2002, which was a continuation-in-part of U.S. utility patent application Ser. No. 10/510,966, attorney docket number 25791.93.05, filed on Oct. 12, 2004, which claimed the benefit of the filing date of U.S. provisional patent application Ser. No. 60/372,048, attorney docket number 25791.93, filed on Apr. 12, 2002, which was a continuation-in-part of U.S. utility patent application Ser. No. 10/500,745, attorney docket number 25791.92.05, filed on Jul. 6, 2004, which claimed the benefit of the filing date of U.S. provisional patent application Ser. No. 10/500,745, attorney docket number 25791.92, filed on Dec. 10, 2002.
  • The present application is related to the following: (1) U.S. patent application Ser. No. 09/454,139, attorney docket no. 25791.03.02, filed on Dec. 3, 1999, (2) U.S. patent application Ser. No. 09/510,913, attorney docket no. 25791.7.02, filed on Feb. 23, 2000, (3) U.S. patent application Ser. No. 09/502,350, attorney docket no. 25791.8.02, filed on Feb. 10, 2000, (4) U.S. Pat. No. 6,328,113, (5) U.S. patent application Ser. No. 09/523,460, attorney docket no. 25791.11.02, filed on Mar. 10, 2000, (6) U.S. patent application Ser. No. 09/512,895, attorney docket no. 25791.12.02, filed on Feb. 24, 2000, (7) U.S. patent application Ser. No. 09/511,941, attorney docket no. 25791.16.02, filed on Feb. 24, 2000, (8) U.S. patent application Ser. No. 09/588,946, attorney docket no. 25791.17.02, filed on Jun. 7, 2000, (9) U.S. patent application Ser. No. 09/559,122, attorney docket no. 25791.23.02, filed on Apr. 26, 2000, (10) PCT patent application serial no. PCT/US00/18635, attorney docket no. 25791.25.02, filed on Jul. 9, 2000, (11) U.S. provisional patent application Ser. No. 60/162,671, attorney docket no. 25791.27, filed on Nov. 1, 1999, (12) U.S. provisional patent application Ser. No. 60/154,047, attorney docket no. 25791.29, filed on Sep. 16, 1999, (13) U.S. provisional patent application Ser. No. 60/159,082, attorney docket no. 25791.34, filed on Oct. 12, 1999, (14) U.S. provisional patent application Ser. No. 60/159,039, attorney docket no. 25791.36, filed on Oct. 12, 1999, (15) U.S. provisional patent application Ser. No. 60/159,033, attorney docket no. 25791.37, filed on Oct. 12, 1999, (16) U.S. provisional patent application Ser. No. 60/212,359, attorney docket no. 25791.38, filed on Jun. 19, 2000, (17) U.S. provisional patent application Ser. No. 60/165,228, attorney docket no. 25791.39, filed on Nov. 12, 1999, (18) U.S. provisional patent application Ser. No. 60/221,443, attorney docket no. 25791.45, filed on Jul. 28, 2000, (19) U.S. provisional patent application Ser. No. 60/221,645, attorney docket no. 25791.46, filed on Jul. 28, 2000, (20) U.S. provisional patent application Ser. No. 60/233,638, attorney docket no. 25791.47, filed on Sep. 18, 2000, (21) U.S. provisional patent application Ser. No. 60/237,334, attorney docket no. 25791.48, filed on Oct. 2, 2000, (22) U.S. provisional patent application Ser. No. 60/270,007, attorney docket no. 25791.50, filed on Feb. 20, 2001, (23) U.S. provisional patent application Ser. No. 60/262,434, attorney docket no. 25791.51, filed on Jan. 17, 2001, (24) U.S. provisional patent application Ser. No. 60/259,486, attorney docket no. 25791.52, filed on Jan. 3, 2001, (25) U.S. provisional patent application Ser. No. 60/303,740, attorney docket no. 25791.61, filed on Jul. 6, 2001, (26) U.S. provisional patent application Ser. No. 60/313,453, attorney docket no. 25791.59, filed on Aug. 20, 2001, (27) U.S. provisional patent application Ser. No. 60/317,985, attorney docket no. 25791.67, filed on Sep. 6, 2001, (28) U.S. provisional patent application Ser. No. 60/3318,386, attorney docket no. 25791.67.02, filed on Sep. 10, 2001, (29) U.S. utility patent application Ser. No. 09/969,922, attorney docket no. 25791.69, filed on Oct. 3, 2001, (30) U.S. utility patent application Ser. No. 10/016,467, attorney docket no. 25791.70, filed on Dec. 10, 2001, (31) U.S. provisional patent application Ser. No. 60/343,674, attorney docket no. 25791.68, filed on Dec. 27, 2001, (32) U.S. provisional patent application Ser. No. 60/346,309, attorney docket no 25791.92, filed on Jan. 7, 2002, (33) U.S. provisional patent application Ser. No. 60/372,048, attorney docket no. 25791.93, filed on Apr. 12, 2002, (34) U.S. provisional patent application Ser. No. 60/380,147, attorney docket no. 25791.104, filed on May 6, 2002, (35) U.S. provisional patent application Ser. No. 60/387,486, attorney docket no. 25791.107, filed on Jun. 10, 2002, (36) U.S. provisional patent application Ser. No. 60/387,961, attorney docket no. 25791.108, filed on Jun. 12, 2002, (37) U.S. provisional patent application Ser. No. 60/394,703, attorney docket no. 25791.90, filed on Jun. 26, 2002, (38) U.S. provisional patent application Ser. No. 60/397,284, attorney docket no. 25791.106, filed on Jul. 19, 2002, (39) U.S. provisional patent application Ser. No. 60/398,061, attorney docket no. 25791.110, filed on Jul. 24, 2002, (40) U.S. provisional patent application Ser. No. 60/405,610, attorney docket no. 25791.119, filed on Aug. 23, 2002, (41) U.S. provisional patent application Ser. No. 60/405,394, attorney docket no. 25791.120, filed on Aug. 23, 2002, (42) U.S. provisional patent application Ser. No. 60/412,177, attorney docket no. 25791.117, filed on Sep. 20, 2002, (43) U.S. provisional patent application Ser. No. 60/412,653, attorney docket no. 25791.118, filed on Sep. 20, 2002, (44) U.S. provisional patent application Ser. No. 60/412,544, attorney docket no. 25791.121, filed on Sep. 20, 2002, (45) U.S. provisional patent application Ser. No. 60/412,187, attorney docket no. 25791.128, filed on Sep. 20, 2002, (46) U.S. provisional patent application Ser. No. 60/412,196, attorney docket no. 25791.127, filed on Sep. 20, 2002, (47) U.S. provisional patent application Ser. No. 60/412,542, attorney docket no. 25791.102, filed on Sep. 20, 2002, (48) U.S. provisional patent application Ser. No. 60/412,487, attorney docket no. 25791.112, filed on Sep. 20, 2002, (49) U.S. provisional patent application no. 60/412,488, attorney docket no. 25791.114, filed on Sep. 20, 2002, the disclosures of which are incorporated herein by reference.
  • BACKGROUND OF THE INVENTION
  • This invention relates generally to oil and gas exploration, and in particular to forming and repairing wellbore casings to facilitate oil and gas exploration.
  • Conventionally, when a wellbore is created, a number of casings are installed in the borehole to prevent collapse of the borehole wall and to prevent undesired outflow of drilling fluid into the formation or inflow of fluid from the formation into the borehole. The borehole is drilled in intervals whereby a casing which is to be installed in a lower borehole interval is lowered through a previously installed casing of an upper borehole interval. As a consequence of this procedure the casing of the lower interval is of smaller diameter than the casing of the upper interval. Thus, the casings are in a nested arrangement with casing diameters decreasing in downward direction. Cement annuli are provided between the outer surfaces of the casings and the borehole wall to seal the casings from the borehole wall. As a consequence of this nested arrangement a relatively large borehole diameter is required at the upper part of the wellbore. Such a large borehole diameter involves increased costs due to heavy casing handling equipment, large drill bits and increased volumes of drilling fluid and drill cuttings. Moreover, increased drilling rig time is involved due to required cement pumping, cement hardening, required equipment changes due to large variations in hole diameters drilled in the course of the well, and the large volume of cuttings drilled and removed.
  • During oil exploration, a wellbore typically traverses a number of zones within a subterranean formation. Wellbore casings are then formed in the wellbore by radially expanding and plastically deforming tubular members that are coupled to one another by threaded connections existing methods for radially expanding and plastically deforming tubular members coupled to one another by threaded connections are not always reliable and do not always produce satisfactory results. In particular, the threaded connections can be damaged during the radial expansion process. Furthermore, the threaded connections between adjacent tubular members, whether radially expanded or not, are typically not sufficiently coupled to permit the transmission of energy through the tubular members from the surface to the downhole location. Further, the damaged threads may permit undesirable leakage between the inside of the casing and the exterior of the casing.
  • The present invention is directed to overcoming one or more of the limitations of the existing procedures for forming and/or repairing wellbore casings.
  • SUMMARY OF THE INVENTION
  • According to one aspect of the present invention, an assembly is provided that includes a first tubular member including external threads, and a second tubular member comprising internal threads coupled to the external threads of the first tubular member. At least one of the first and second tubular members define one or more stress concentrators. According to another aspect of the present invention, a method for forming a wellbore casing has been described that includes positioning any one, portion, or combination, of the exemplary embodiments of the assemblies of the present application within a borehole that traverses a subterranean formation, and radially expanding and plastically deforming the assembly within the borehole.
  • According to another aspect of the present invention, an apparatus is provided that includes a wellbore that traverses a subterranean formation, and a wellbore casing positioned within and coupled to the wellbore. The wellbore casing is coupled to the wellbore by a process including: positioning any one, portion, or combination, of the exemplary assemblies of the present application within the wellbore, and radially expanding and plastically deforming the assembly within the wellbore.
  • According to another aspect of the present invention, a system for forming a wellbore casing is provided that includes means for positioning any one, portion, or combination, of the exemplary assemblies of the present application within a borehole that traverses a subterranean formation, and means for radially expanding and plastically deforming the assembly within the borehole.
  • According to another aspect of the present invention, a method of providing a fluid tight seal between a pair of overlapping tubular members is provided that includes forming one or more stress concentrators within at least one of the tubular members, and radially expanding and plastically deforming the tubular members.
  • According to another aspect of the present invention, a method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member is provided that includes forming the expandable member from a steel alloy comprising a charpy energy of at least about 90 ft-lbs.
  • According to another aspect of the present invention, an expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member is provided that includes a steel alloy comprising a charpy energy of at least about 90 ft-lbs.
  • According to another aspect of the present invention, a structural completion positioned within a structure is provided that includes one or more radially expanded and plastically deformed expandable members positioned within the structure; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a charpy energy of at least about 90 ft-lbs.
  • According to another aspect of the present invention, a method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member is provided that includes forming the expandable member from a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
  • According to another aspect of the present invention, an expandable member for use in completing a wellbore by radially expanding and plastically deforming the expandable member at a downhole location in the wellbore is provided that includes a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
  • According to another aspect of the present invention, a structural completion is provided that includes one or more radially expanded and plastically deformed expandable members positioned within the wellbore; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
  • According to another aspect of the present invention, a method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member is provided that includes forming the expandable member from a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
  • According to another aspect of the present invention, an expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member is provided that includes a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
  • According to another aspect of the present invention, a structural completion is provided that includes one or more radially expanded and plastically deformed expandable members; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
  • According to another aspect of the present invention, a method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member is provided that includes forming the expandable member from a steel alloy comprising the following ranges of weight percentages: C, from about 0.002 to about 0.08; Si, from about 0.009 to about 0.30; Mn, from about 0.10 to about 1.92; P, from about 0.004 to about 0.07; S, from about 0.0008 to about 0.006; Al, up to about 0.04; N, up to about 0.01; Cu, up to about 0.3; Cr, up to about 0.5; Ni, up to about 18; Nb, up to about 0.12; Ti, up to about 0.6; Co, up to about 9; and Mo, up to about 5.
  • According to another aspect of the present invention, an expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member is provided that includes a steel alloy comprising the following ranges of weight percentages: C, from about 0.002 to about 0.08; Si, from about 0.009 to about 0.30; Mn, from about 0.10 to about 1.92; P, from about 0.004 to about 0.07; S, tom about 0.0008 to about 0.006; Al, up to about 0.04; N, up to about 0.01; Cu, up to about 0.3; Cr, up to about 0.5; Ni, up to about 18; Nb, up to about 0.12; Ti, up to about 0.6; Co, up to about 9; and Mo, up to about 5.
  • According to another aspect of the present invention, a structural completion is provided that includes one or more radially expanded and plastically deformed expandable members; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising the following ranges of weight percentages: C, from about 0.002 to about 0.08; Si, from about 0.009 to about 0.30; Mn, from about 0.10 to about 1.92; P, from about 0.004 to about 0.07; S, from about 0.0008 to about 0.006; Al, up to about 0.04; N, up to about 0.01; Cu, up to about 0.3; Cr, up to about 0.5; Ni, up to about 18; Nb, up to about 0.12; Ti, up to about 0.6; Co, up to about 9; and Mo, up to about 5.
  • According to another aspect of the present invention, a method for manufacturing an expandable tubular member used to complete a structure by radially expanding and plastically deforming the expandable member is provided that includes forming the expandable tubular member with a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22.
  • According to another aspect of the present invention, an expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member is provided that includes an expandable tubular memberwith a ratio of the of an outside diameterof the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22.
  • According to another aspect of the present invention, a structural completion is provided that includes one or more radially expanded and plastically deformed expandable members positioned within the structure; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from an expandable tubular member with a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22.
  • According to another aspect of the present invention, a method of constructing a structure is provided that includes radially expanding and plastically deforming an expandable member; wherein an outer portion of the wall thickness of the radially expanded and plastically deformed expandable member comprises tensile residual stresses.
  • According to another aspect of the present invention, a structural completion is provided that includes one or more radially expanded and plastically deformed expandable members; wherein an outer portion of the wall thickness of one or more of the radially expanded and plastically deformed expandable members comprises tensile residual stresses.
  • According to another aspect of the present invention, a method of constructing a structure using an expandable tubular member is provided that includes strain aging the expandable member; and then radially expanding and plastically deforming the expandable member.
  • According to another aspect of the present invention, a method for manufacturing a tubular member used to complete a wellbore by radially expanding the tubular member at a downhole location in the wellbore comprising: forming a steel alloy comprising a concentration of carbon between approximately 0.002% and 0.08% by weight of the steel alloy.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • FIG. 1 is a fragmentary cross-sectional illustration of a first tubular threadably coupled to a second tubular.
  • FIG. 2 is a fragmentary cross-sectional illustration of a first tubular threadably coupled to a second tubular.
  • DETAILED DESCRIPTION OF THE ILLUSTRATIVE EMBODIMENTS
  • FIG. 1 illustrates a first tubular member 10 that defines a passage 10 a that includes a pin member 12 that includes stress concentration grooves, 14 a and 14 b, formed in the internal surface of the pin member, and external threads 16 that engage internal threads 18 of a box member 20 of a second tubular member 22 that defines a passage 22 a. Stress concentration grooves, 24 a and 24 b, are formed in the external surface of the box member 20 of the second tubular member, and an external sleeve 26 is coupled to and overlaps with the ends of the first and second tubular members, 10 and 22. The first tubular member 10, the second tubular member 22, and the external sleeve 26 may be radially expanded and plastically deformed using any number of conventional methods and apparatus and/or as disclosed in one or more of the following: (1) U.S. patent application Ser. No. 09/454,139, attorney docket no. 25791.03.02, filed on Dec. 3, 1999, (2) U.S. patent application Ser. No. 09/510,913, attorney docket no. 25791.7.02, filed on Feb. 23, 2000, (3) U.S. patent application Ser. No. 09/502,350, attorney docket no. 25791.8.02, filed on Feb. 10, 2000, (4) U.S. Pat. No. 6,328,113, (5) U.S. patent application Ser. No. 09/523,460, attorney docket no. 25791.11.02, filed on Mar. 10, 2000, (6) U.S. patent application Ser. No. 09/512,895, attorney docket no. 25791.12.02, filed on Feb. 24, 2000, (7) U.S. patent application Ser. No. 09/511,941, attorney docket no. 25791.16.02, filed on Feb. 24, 2000, (8) U.S. patent application Ser. No. 09/588,946, attorney docket no. 25791.17.02, filed on Jun. 7, 2000, (9) U.S. patent application Ser. No. 09/559,122, attorney docket no. 25791.23.02, filed on Apr. 26, 2000, (10) PCT patent application serial no. PCT/US00/18635, attorney docket no. 25791.25.02, filed on Jul. 9, 2000, (11) U.S. provisional patent application Ser. No. 60/162,671, attorney docket no. 25791.27, filed on Nov. 1, 1999, (12) U.S. provisional patent application Ser. No. 60/154,047, attorneydocket no. 25791.29, filed on Sep. 16, 1999, (13) U.S. provisional patent application Ser. No. 60/159,082, attorney docket no. 25791.34, filed on Oct. 12, 1999, (14) U.S. provisional patent application Ser. No. 60/159,039, attorney docket no. 25791.36, filed on Oct. 12, 1999, (15) U.S. provisional patent application Ser. No. 60/159,033, attorney docket no. 25791.37, filed on Oct. 12, 1999, (16) U.S. provisional patent application Ser. No. 60/212,359, attorney docket no. 25791.38, filed on Jun. 19, 2000, (17) U.S. provisional patent application Ser. No. 60/165,228, attorney docket no. 25791.39, filed on Nov. 12, 1999, (18) U.S. provisional patent application Ser. No. 60/221,443, attorney docket no. 25791.45, filed on Jul. 28, 2000, (19) U.S. provisional patent application Ser. No. 60/221,645, attorney docket no. 25791.46, filed on Jul. 28, 2000, (20) U.S. provisional patent application Ser. No. 60/233,638, attorney docket no. 25791.47, filed on Sep. 18, 2000, (21) U.S. provisional patent application Ser. No. 60/237,334, attorney docket no. 25791.48, filed on Oct. 2, 2000, (22) U.S. provisional patent application Ser. No. 60/270,007, attorney docket no. 25791.50, filed on Feb. 20, 2001, (23) U.S. provisional patent application Ser. No. 60/262,434, attorney docket no. 25791.51, filed on Jan. 17, 2001, (24) U.S. provisional patent application Ser. No. 60/259,486, attorney docket no. 25791.52, filed on Jan. 3, 2001, (25) U.S. provisional patent application Ser. No. 60/303,740, attorney docket no. 25791.61, filed on Jul. 6, 2001, (26) U.S. provisional patent application Ser. No. 60/313,453, attorney docket no. 25791.59, filed on Aug. 20, 2001, (27) U.S. provisional patent application Ser. No. 60/317,985, attorney docket no. 25791.67, filed on Sep. 6, 2001, (28) U.S. provisional patent application serial no. 60/3318,386, attorney docket no. 25791.67.02, filed on Sep. 10, 2001, (29) U.S. utility patent application Ser. No. 09/969,922, attorney docket no. 25791.69, filed on Oct. 3, 2001, (30) U.S. utility patent application Ser. No. 10/016,467, attorney docket no. 25791.70, filed on Dec. 10, 2001, (31) U.S. provisional patent application Ser. No. 60/343,674, attorney docket no. 25791.68, filed on Dec. 27, 2001, (32) U.S. provisional patent application Ser. No. 60/346,309, attorney docket no 25791.92, filed on Jan. 7, 2002, (33) U.S. provisional patent application Ser. No. 60/372,048, attorney docket no. 25791.93, filed on Apr. 12, 2002, (34) U.S. provisional patent application Ser. No. 60/380,147, attorney docket no. 25791.104, filed on May 6, 2002, (35) U.S. provisional patent application Ser. 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No. 60/412,653, attorney docket no. 25791.118, filed on Sep. 20, 2002, (44) U.S. provisional patent application Ser. No. 60/412,544, attorney docket no. 25791.121, filed on Sep. 20, 2002, (45) U.S. provisional patent application Ser. No. 60/412,187, attorney docket no. 25791.128, filed on Sep. 20, 2002, (46) U.S. provisional patent application Ser. No. 60/412,196, attorney docket no. 25791.127, filed on Sep. 20, 2002, (47) U.S. provisional patent application Ser. No. 60/412,542, attorney docket no. 25791.102, filed on Sep. 20, 2002, (48) U.S. provisional patent application Ser. No. 60/412,487, attorney docket no. 25791.112, filed on Sep. 20, 2002, (49) U.S. provisional patent application no. 60/412,488, attorney docket no. 25791.114, filed on Sep. 20, 2002, the disclosures of which are incorporated herein by reference.
  • In an exemplary embodiment, during the radial expansion and plastic deformation of the first tubular member 10, the second tubular member 22, and the external sleeve 26, the stress concentration grooves, 14 a, 14 b, 24 a, and 24 b, concentrate compressive stresses onto the threads, 16 and 18, of the pin and box members, 12 and 20, of the first and second tubular members to drive the threads together to thereby provide a fluid tight seal between the threads of the pin and box members of the first and second tubular members upon the completion of the radial expansion and plastic deformation.
  • FIG. 2 is an illustration of another illustrative embodiment.
  • In an exemplary embodiment, a tribological system is used to reduce friction and thereby minimize the expansion forces required during the radial expansion and plastic deformation of the tubular members that includes one or more of the following: (1) a tubular tribology system; (2) a drilling mud tribology system; (3) a lubrication tribology system; and (4) an expansion device tribology system.
  • In an exemplary embodiment, the tubular tribology system includes the application of coatings of lubricant to the interior surface of the tubular members.
  • In an exemplary embodiment, the drilling mud tribology system includes the addition of lubricating additives to the drilling mud.
  • In an exemplary embodiment, the lubrication tribology system includes the use of lubricating greases, self-lubricating expansion devices, automated injection/delivery of lubricating greases into the interface between an expansion device and the tubular members, surfaces within the interface between the expansion device and the expandable tubular member that are self-lubricating, surfaces within the interface between the expansion device and the expandable tubular member that are textured, self-lubricating surfaces within the interface between the expansion device and the expandable tubular member that include diamond and/or ceramic inserts, thermosprayed coatings, fluoropolymer coatings, PVD films, and/or CVD films.
  • In an exemplary embodiment, the tubular members include one or more of the following characteristics: high burst and collapse, the ability to be radially expanded more than about 40%, high fracture toughness, defect tolerance, strain recovery @ 150 F, good bending fatigue, optimal residual stresses, and corrosion resistance to H2S in order to provide optimal characteristics during and after radial expansion and plastic deformation.
  • In an exemplary embodiment, the tubular members are fabricated from a steel alloy having a charpy energy of at least about 90 ft-lbs in order to provided enhanced characteristics during and after radial expansion and plastic deformation of the expandable tubular member.
  • In an exemplary embodiment, the tubular members are fabricated from a steel alloy having a weight percentage of carbon of less than about 0.08% in order to provide enhanced characteristics during and after radial expansion and plastic deformation of the tubular members.
  • In an exemplary embodiment, the tubular members are fabricated from a steel alloy having reduced sulfur content in order to minimize hydrogen induced cracking.
  • In an exemplary embodiment, the tubular members are fabricated from a steel alloy having a weight percentage of carbon of less than about 0.20% and a charpy-V-notch impact toughness of at least about 6 joules in order to provide enhanced characteristics during and after radial expansion and plastic deformation of the tubular members.
  • In an exemplary embodiment, the tubular members are fabricated from a steel alloy having a low weight percentage of carbon in order to enhance toughness, ductility, weldability, shelf energy, and hydrogen induced cracking resistance.
  • In several exemplary embodiments, the tubular members are fabricated from a steel alloy having the following percentage compositions in order to provide enhanced characteristics during and after radial expansion and plastic deformation of the tubular members:
    C Si Mn P S Al N Cu Cr Ni Nb Ti Co Mo
    Example A 0.030 0.22 1.74 0.005 0.0005 0.028 0.0037 0.30 0.26 0.15 0.095 0.014 0.0034
    Example 0.020 0.23 1.70 0.004 0.0005 0.026 0.0030 0.27 0.26 0.16 0.096 0.012 0.0021
    B Min
    Example 0.032 0.26 1.92 0.009 0.0010 0.035 0.0047 0.32 0.29 0.18 0.120 0.016 0.0050
    B Max
    Example C 0.028 0.24 1.77 0.007 0.0008 0.030 0.0035 0.29 0.27 0.17 0.101 0.014 0.0028 0.0020
    Example D 0.08 0.30 0.5 0.07 0.005 0.010 0.10 0.50 0.10
    Example E 0.0028 0.009 0.17 0.011 0.006 0.027 0.0029 0.029 0.014 0.035 0.007
    Example F 0.03 0.1 0.1 0.015 0.005 18.0 0.6 9 5
    Example G 0.002 0.01 0.15 0.07 0.005 0.04 0.0025 0.015 0.010
  • In an exemplary embodiment, the ratio of the outside diameter D of the tubular members to the wall thickness t of the tubular members range from about 12 to 22 in order to enhance the collapse strength of the radially expanded and plastically deformed tubular members.
  • In an exemplary embodiment, the outer portion of the wall thickness of the radially expanded and plastically deformed tubular members includes tensile residual stresses in order to enhance the collapse strength following radial expansion and plastic deformation.
  • In several exemplary experimental embodiments, reducing residual stresses in samples of the tubular members prior to radial expansion and plastic deformation increased the collapse strength of the radially expanded and plastically deformed tubular members.
  • In several exemplary experimental embodiments, the collapse strength of radially expanded and plastically deformed samples of the tubulars were determined on an as-received basis, after strain aging at 250 F for 5 hours to reduce residual stresses, and after strain aging at 350 F for 14 days to reduce residual stresses as follows:
    Collapse Strength After
    Tubular Sample 10% Radial Expansion
    Tubular Sample 1 - as received from 4000 psi
    manufacturer
    Tubular Sample 1 - strain aged at 250 F. for 5 4800 psi
    hours to reduce residual stresses
    Tubular Sample 1 - strain aged at 350 F. for 14 5000 psi
    days to reduce residual stresses
  • As indicated by the above table, reducing residual stresses in the tubular members, prior to radial expansion and plastic deformation, significantly increased the resulting collapse strength—post expansion.
  • An assembly has been described that includes a first tubular member including external threads, and a second tubular member comprising internal threads coupled to the external threads of the first tubular member. At least one of the first and second tubular members define one or more stress concentrators. In an exemplary embodiment, the assembly further comprises an external sleeve coupled to and overlapping with the ends of the first and second tubular members. In an exemplary embodiment, one or more of the stress concentrators comprise surface grooves formed in the surfaces of at least one of the first and second tubular members. In an exemplary embodiment, the stress concentrators are defined above the internal and external threads of the first and second tubular members.
  • A method for forming a wellbore casing has been described that includes positioning anyone, portion, or combination, of the exemplary embodiments of the assemblies of the present application within a borehole that traverses a subterranean formation, and radially expanding and plastically deforming the assembly within the borehole.
  • An apparatus has been described that includes a wellbore that traverses a subterranean formation, and a wellbore casing positioned within and coupled to the wellbore. The wellbore casing is coupled to the wellbore by a process including: positioning any one, portion, or combination, of the exemplary assemblies of the present application within the wellbore, and radially expanding and plastically deforming the assembly within the wellbore.
  • A system for forming a wellbore casing has been described that includes means for positioning any one, portion, or combination, of the exemplary assemblies of the present application within a borehole that traverses a subterranean formation, and means for radially expanding and plastically deforming the assembly within the borehole.
  • A method of providing a fluid tight seal between a pair of overlapping tubular members has been described that includes forming one or more stress concentrators within at least one of the tubular members, and radially expanding and plastically deforming the tubular members. In an exemplary embodiment, the tubular members are threadably coupled, and the stress concentrators are formed above the threaded coupling.
  • In an exemplary embodiment, the stress concentrators comprise surface grooves formed in at least one of the tubular members.
  • A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member has been described that includes forming the expandable member from a steel alloy comprising a charpy energy of at least about 90 ft-lbs.
  • An expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member has been described that includes a steel alloy comprising a charpy energy of at least about 90 ft-lbs.
  • A structural completion positioned within a structure has been described that includes one or more radially expanded and plastically deformed expandable members positioned within the structure; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a charpy energy of at least about 90 ft-lbs.
  • A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member has been described that includes forming the expandable member from a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
  • An expandable member for use in completing a wellbore by radially expanding and plastically deforming the expandable member at a downhole location in the wellbore has been described that includes a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
  • A structural completion has been described that includes one or more radially expanded and plastically deformed expandable members positioned within the wellbore; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
  • A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member has been described that includes forming the expandable member from a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
  • An expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member has been described that includes a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
  • A structural completion has been described that includes one or more radially expanded and plastically deformed expandable members; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
  • A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member has been described that includes forming the expandable member from a steel alloy comprising the following ranges of weight percentages: C, from about 0.002 to about 0.08; Si, from about 0.009 to about 0.30; Mn, from about 0.10 to about 1.92; P, from about 0.004 to about 0.07; S, from about 0.0008 to about 0.006; Al, up to about 0.04; N, up to about 0.01; Cu, up to about 0.3; Cr, up to about 0.5; Ni, up to about 18; Nb, up to about 0.12; Ti, up to about 0.6; Co, up to about 9; and Mo, up to about 5.
  • An expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member has been described that includes a steel alloy comprising the following ranges of weight percentages: C, from about 0.002 to about 0.08; Si, from about 0.009 to about 0.30; Mn, from about 0.10 to about 1.92; P, from about 0.004 to about 0.07; S, from about 0.0008 to about 0.006; Al, up to about 0.04; N, up to about 0.01; Cu, up to about 0.3; Cr, up to about 0.5; Ni, up to about 18; Nb, up to about 0.12; Ti, up to about 0.6; Co, up to about 9; and Mo, up to about 5.
  • A structural completion has been described that includes one or more radially expanded and plastically deformed expandable members; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising the following ranges of weight percentages: C, from about 0.002 to about 0.08; Si, from about 0.009 to about 0.30; Mn, from about 0.10 to about 1.92; P, from about 0.004 to about 0.07; S, from about 0.0008 to about 0.006; Al, up to about 0.04; N, up to about 0.01; Cu, up to about 0.3; Cr, up to about 0.5; Ni, up to about 18; Nb, up to about 0.12; Ti, up to about 0.6; Co, up to about 9; and Mo, up to about 5.
  • A method for manufacturing an expandable tubular member used to complete a structure by radially expanding and plastically deforming the expandable member has been described that includes forming the expandable tubular member with a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22.
  • An expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member has been described that includes an expandable tubular member with a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22.
  • A structural completion has been described that includes one or more radially expanded and plastically deformed expandable members positioned within the structure; wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from an expandable tubular member with a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22.
  • A method of constructing a structure has been described that includes radially expanding and plastically deforming an expandable member, wherein an outer portion of the wall thickness of the radially expanded and plastically deformed expandable member comprises tensile residual stresses.
  • A structural completion has been described that includes one or more radially expanded and plastically deformed expandable members; wherein an outer portion of the wall thickness of one or more of the radially expanded and plastically deformed expandable members comprises tensile residual stresses.
  • A method of constructing a structure using an expandable tubular member has been described that includes strain aging the expandable member, and then radially expanding and plastically deforming the expandable member.
  • A method for manufacturing a tubular member used to complete a wellbore by radially expanding the tubular member at a downhole location in the wellbore has been described that includes forming a steel alloy comprising a concentration of carbon between approximately 0.002% and 0.08% by weight of the steel alloy.
  • It is understood that variations may be made in the foregoing without departing from the scope of the invention. For example, the teachings of the present illustrative embodiments may be used to provide a wellbore casing, a pipeline, or a structural support. Furthermore, the elements and teachings of the various illustrative embodiments may be combined in whole or in part in some or all of the illustrative embodiments. In addition, the external sleeve 26 may be omitted. Furthermore, one or more of the stress concentration grooves, 14 a, 14 b, 24 a, and/or 24 b, may be omitted. In addition, the stress concentration grooves, 14 a, 14 b, 24 a, and/or 24 b may be provided in any geometric shape capable of concentrating stresses. Furthermore, the stress concentration grooves, 14 a and 14 b, may or may not be positioned in opposing relation to the stress concentration grooves, 24 a and 24 b. In addition, the first and second tubular members, 10 and 22, may or may not be threadably coupled to one another, and the threads, 16 and 18, of the first and second tubular members may be any type of threads.
  • 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. Accordingly, it is appropriate that the appended claims be construed broadly and in a manner consistent with the scope of the invention.

Claims (71)

  1. 1. An assembly, comprising:
    a first tubular member comprising external threads; and
    a second tubular member comprising internal threads coupled to the external threads of the first tubular member;
    wherein at least one of the first and second tubular members define one or more stress concentrators.
  2. 2. The assembly of claim 1, further comprising:
    an external sleeve coupled to and overlapping with the ends of the first and second tubular members.
  3. 3. The assembly of claim 1, wherein one or more of the stress concentrators comprise surface grooves formed in the surfaces of at least one of the first and second tubular members.
  4. 4. The assembly of claim 1, wherein the stress concentrators are defined above the internal and external threads of the first and second tubular members.
  5. 5. A method for forming a wellbore casing, comprising:
    positioning the assembly of claim 1 within a borehole that traverses a subterranean formation; and
    radially expanding and plastically deforming the assembly within the borehole.
  6. 6. A method for forming a wellbore casing, comprising:
    positioning the assembly of claim 2 within a borehole that traverses a subterranean formation; and
    radially expanding and plastically deforming the assembly within the borehole.
  7. 7. A method for forming a wellbore casing, comprising:
    positioning the assembly of claim 3 within a borehole that traverses a subterranean formation; and
    radially expanding and plastically deforming the assembly within the borehole.
  8. 8. A method for forming a wellbore casing, comprising:
    positioning the assembly of claim 4 within a borehole that traverses a subterranean formation; and
    radially expanding and plastically deforming the assembly within the borehole.
  9. 9. An apparatus, comprising:
    a wellbore that traverses a subterranean formation; and
    a wellbore casing positioned within and coupled to the wellbore;
    wherein the wellbore casing is coupled to the wellbore by a process comprising:
    positioning the assembly of claim 1 within the wellbore; and
    radially expanding and plastically deforming the assembly within the wellbore.
  10. 10. An apparatus, comprising:
    a wellbore that traverses a subterranean formation; and
    a wellbore casing positioned within and coupled to the wellbore;
    wherein the wellbore casing is coupled to the wellbore by a process comprising:
    positioning the assembly of claim 2 within the wellbore; and
    radially expanding and plastically deforming the assembly within the wellbore.
  11. 11. An apparatus, comprising:
    a wellbore that traverses a subterranean formation; and
    a wellbore casing positioned within and coupled to the wellbore;
    wherein the wellbore casing is coupled to the wellbore by a process comprising:
    positioning the assembly of claim 3 within the wellbore; and
    radially expanding and plastically deforming the assembly within the wellbore.
  12. 12. An apparatus, comprising:
    a wellbore that traverses a subterranean formation; and
    a wellbore casing positioned within and coupled to the wellbore;
    wherein the wellbore casing is coupled to the wellbore by a process comprising:
    positioning the assembly of claim 4 within the wellbore; and
    radially expanding and plastically deforming the assembly within the wellbore.
  13. 15. A system for forming a wellbore casing, comprising:
    means for positioning the assembly of claim 1 within a borehole that traverses a subterranean formation; and
    means for radially expanding and plastically deforming the assembly within the borehole.
  14. 16. A system for forming a wellbore casing, comprising:
    means for positioning the assembly of claim 2 within a borehole that traverses a subterranean formation; and
    means for radially expanding and plastically deforming the assembly within the borehole.
  15. 17. A system for forming a wellbore casing, comprising:
    means for positioning the assembly of claim 3 within a borehole that traverses a subterranean formation; and
    means for radially expanding and plastically deforming the assembly within the borehole.
  16. 18. A system for forming a wellbore casing, comprising:
    means for positioning the assembly of claim 4 within a borehole that traverses a subterranean formation; and
    means for radially expanding and plastically deforming the assembly within the borehole.
  17. 19. A method of providing a fluid tight seal between a pair of overlapping tubular members, comprising:
    forming one or more stress concentrators within at least one of the tubular members; and
    radially expanding and plastically deforming the tubular members.
  18. 20. The method of claim 19, wherein the tubular members are threadably coupled; and
    wherein the stress concentrators are formed above the threaded coupling.
  19. 21. The method of claim 19, wherein the stress concentrators comprise surface grooves formed in at least one of the tubular members.
  20. 22. An assembly, comprising:
    a first tubular member comprising external threads;
    a second tubular member comprising internal threads coupled to the external threads of the first tubular member, and an external sleeve coupled to and overlapping with the ends of the first and second tubular members;
    wherein at least one of the first and second tubular members define one or more stress concentrators.
  21. 23. The assembly of claim 22, wherein one or more of the stress concentrators comprise surface grooves formed in the surfaces of at least one of the first and second tubular members.
  22. 24. The assembly of claim 22, wherein the stress concentrators are defined above the internal and external threads of the first and second tubular members.
  23. 25. A method for forming a wellbore casing, comprising:
    positioning an assembly within a borehole that traverses a subterranean formation; and
    radially expanding and plastically deforming the assembly within the borehole;
    wherein the assembly comprises:
    a first tubular member comprising external threads;
    a second tubular member comprising internal threads coupled to the external threads of the first tubular member; and
    an external sleeve coupled to and overlapping with the ends of the first and second tubular members;
    wherein at least one of the first and second tubular members define one or more stress concentrators.
  24. 26. An apparatus, comprising:
    a wellbore that traverses a subterranean formation; and
    a wellbore casing positioned within and coupled to the wellbore;
    wherein the wellbore casing is coupled to the wellbore by a process comprising:
    positioning an assembly within a borehole that traverses a subterranean formation; and
    radially expanding and plastically deforming the assembly within the borehole;
    wherein the assembly comprises:
    a first tubular member comprising external threads;
    a second tubular member comprising internal threads coupled to the external threads of the first tubular member; and
    an external sleeve coupled to and overlapping with the ends of the first and second tubular members;
    wherein at least one of the first and second tubular members define one or more stress concentrators.
  25. 27. A system for forming a wellbore casing, comprising:
    means for positioning an assembly within a borehole that traverses a subterranean formation; and
    means for radially expanding and plastically deforming the assembly within the borehole;
    wherein the assembly comprises:
    a first tubular member comprising external threads;
    a second tubular member comprising internal threads coupled to the external threads of the first tubular member, and
    an external sleeve coupled to and overlapping with the ends of the first and second tubular members;
    wherein at least one of the first and second tubular members define one or more stress concentrators.
  26. 28. An assembly, comprising:
    a first tubular member comprising external threads; and
    a second tubular member comprising internal threads coupled to the external threads of the first tubular member;
    wherein the first and second tubular members each define one or more stress concentrators.
  27. 29. The assembly of claim 28, further comprising:
    an external sleeve coupled to and overlapping with the ends of the first and second tubular members.
  28. 30. The assembly of claim 28, wherein one or more of the stress concentrators comprise surface grooves formed in the surfaces of at least one of the first and second tubular members.
  29. 31. The assembly of claim 28, wherein the stress concentrators are defined above the internal and external threads of the first and second tubular members.
  30. 32. A method for forming a wellbore casing, comprising:
    positioning the assembly of claim 28 within a borehole that traverses a subterranean formation; and
    radially expanding and plastically deforming the assembly within the borehole.
  31. 33. A method for forming a wellbore casing, comprising:
    positioning the assembly of claim 29 within a borehole that traverses a subterranean formation; and
    radially expanding and plastically deforming the assembly within the borehole.
  32. 34. A method for forming a wellbore casing, comprising:
    positioning the assembly of claim 30 within a borehole that traverses a subterranean formation; and
    radially expanding and plastically deforming the assembly within the borehole.
  33. 35. A method for forming a wellbore casing, comprising:
    positioning the assembly of claim 31 within a borehole that traverses a subterranean formation; and
    radially expanding and plastically deforming the assembly within the borehole.
  34. 36. An apparatus, comprising:
    a wellbore that traverses a subterranean formation; and
    a wellbore casing positioned within and coupled to the wellbore;
    wherein the wellbore casing is coupled to the wellbore by a process comprising:
    positioning the assembly of claim 28 within the wellbore; and
    radially expanding and plastically deforming the assembly within the wellbore.
  35. 37. An apparatus, comprising:
    a wellbore that traverses a subterranean formation; and
    a wellbore casing positioned within and coupled to the wellbore;
    wherein the wellbore casing is coupled to the wellbore by a process comprising:
    positioning the assembly of claim 29 within the wellbore; and
    radially expanding and plastically deforming the assembly within the wellbore.
  36. 38. An apparatus, comprising:
    a wellbore that traverses a subterranean formation; and
    a wellbore casing positioned within and coupled to the wellbore;
    wherein the wellbore casing is coupled to the wellbore by a process comprising:
    positioning the assembly of claim 30 within the wellbore; and
    radially expanding and plastically deforming the assembly within the wellbore.
  37. 39. An apparatus, comprising:
    a wellbore that traverses a subterranean formation; and
    a wellbore casing positioned within and coupled to the wellbore;
    wherein the wellbore casing is coupled to the wellbore by a process comprising:
    positioning the assembly of claim 31 within the wellbore; and
    radially expanding and plastically deforming the assembly within the wellbore.
  38. 40. A system for forming a wellbore casing, comprising:
    means for positioning the assembly of claim 28 within a borehole that traverses a subterranean formation; and
    means for radially expanding and plastically deforming the assembly within the borehole.
  39. 41. A system for forming a wellbore casing, comprising:
    means for positioning the assembly of claim 29 within a borehole that traverses a subterranean formation; and
    means for radially expanding and plastically deforming the assembly within the borehole.
  40. 42. A system for forming a wellbore casing, comprising:
    means for positioning the assembly of claim 30 within a borehole that traverses a subterranean formation; and
    means for radially expanding and plastically deforming the assembly within the borehole.
  41. 43. A system for forming a wellbore casing, comprising:
    means for positioning the assembly of claim 31 within a borehole that traverses a subterranean formation; and
    means for radially expanding and plastically deforming the assembly within the borehole.
  42. 44. A method of providing a fluid tight seal between a pair of overlapping tubular members, comprising:
    forming one or more stress concentrators within each of the tubular members; and
    radially expanding and plastically deforming the tubular members.
  43. 45. The method of claim 44, wherein the tubular members are threadably coupled; and
    wherein the stress concentrators are formed above the threaded coupling.
  44. 46. The method of claim 44, wherein the stress concentrators comprise surface grooves formed in at least one of the tubular members.
  45. 47. A method of providing a fluid tight seal between a pair of overlapping tubular members, comprising:
    concentrating compressive stresses onto the overlapping portions of the tubular members; and
    radially expanding and plastically deforming the tubular members.
  46. 48. The method of claim 47, wherein the tubular members are threadably coupled; and
    wherein the compressive stresses are concentrated onto the threaded coupling during the radial expansion and plastic deformation.
  47. 49. A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member comprising:
    forming the expandable member from a steel alloy comprising a charpy energy of at least about 90 ft-lbs.
  48. 50. An expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member, comprising:
    a steel alloy comprising a charpy energy of at least about 90 ft-lbs.
  49. 51. A structural completion positioned within a structure, comprising:
    one or more radially expanded and plastically deformed expandable members positioned within the structure;
    wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a charpy energy of at least about 90 ft-lbs.
  50. 52. A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member, comprising:
    forming the expandable member from a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
  51. 53. An expandable member for use in completing a wellbore by radially expanding and plastically deforming the expandable member at a downhole location in the wellbore, comprising:
    a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
  52. 54. A structural completion, comprising:
    one or more radially expanded and plastically deformed expandable members positioned within the wellbore;
    wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a weight percentage of carbon of less than about 0.08%.
  53. 55. A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member, comprising:
    forming the expandable member from a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
  54. 56. An expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member, comprising:
    a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
  55. 57. A structural completion, comprising:
    one or more radially expanded and plastically deformed expandable members;
    wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising a weight percentage of carbon of less than about 0.20% and a charpy V-notch impact toughness of at least about 6 joules.
  56. 58. A method for manufacturing an expandable member used to complete a structure by radially expanding and plastically deforming the expandable member, comprising:
    forming the expandable member from a steel alloy comprising the following ranges of weight percentages:
    C, from about 0.002 to about 0.08;
    Si, from about 0.009 to about 0.30;
    Mn, from about 0.10 to about 1.92;
    P, from about 0.004 to about 0.07;
    S, from about 0.0008 to about 0.006;
    Al, up to about 0.04;
    N, up to about 0.01;
    Cu, up to about 0.3;
    Cr, up to about 0.5;
    Ni, up to about 18;
    Nb, up to about 0.12;
    Ti, up to about 0.6;
    Co, up to about 9; and
    Mo, up to about 5.
  57. 59. An expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member, comprising:
    a steel alloy comprising the following ranges of weight percentages:
    C, from about 0.002 to about 0.08;
    Si, from about 0.009 to about 0.30;
    Mn, from about 0.10 to about 1.92;
    P, from about 0.004 to about 0.07;
    S, from about 0.0008 to about 0.006;
    Al, up to about 0.04;
    N, up to about 0.01;
    Cu, up to about 0.3;
    Cr, up to about 0.5;
    Ni, up to about 18;
    Nb, up to about 0.12;
    Ti, up to about 0.6;
    Co, up to about 9; and
    Mo, up to about 5.
  58. 60. A structural completion, comprising:
    one or more radially expanded and plastically deformed expandable members;
    wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from a steel alloy comprising the following ranges of weight percentages:
    C, from about 0.002 to about 0.08;
    Si, from about 0.009 to about 0.30;
    Mn, from about 0.10 to about 1.92;
    P, from about 0.004 to about 0.07;
    S, from about 0.0008 to about 0.006;
    Al, up to about 0.04;
    N, up to about 0.01;
    Cu, up to about 0.3;
    Cr, up to about 0.5;
    Ni, up to about 18;
    Nb, up to about 0.12;
    Ti, up to about 0.6;
    Co, up to about 9; and
    Mo, up to about 5.
  59. 61. A method for manufacturing an expandable tubular member used to complete a structure by radially expanding and plastically deforming the expandable member, comprising:
    forming the expandable tubular member with a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22.
  60. 62. An expandable member for use in completing a structure by radially expanding and plastically deforming the expandable member, comprising:
    an expandable tubular member with a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22.
  61. 63. A structural completion, comprising:
    one or more radially expanded and plastically deformed expandable members positioned within the structure;
    wherein one or more of the radially expanded and plastically deformed expandable members are fabricated from an expandable tubular member with a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22.
  62. 64. A method of constructing a structure, comprising:
    radially expanding and plastically deforming an expandable member, wherein an outer portion of the wall thickness of the radially expanded and plastically deformed expandable member comprises tensile residual stresses.
  63. 65. A structural completion, comprising:
    one or more radially expanded and plastically deformed expandable members;
    wherein an outer portion of the wall thickness of one or more of the radially expanded and plastically deformed expandable members comprises tensile residual stresses.
  64. 66. A method of constructing a structure using an expandable tubular member, comprising:
    strain aging the expandable member, and
    then radially expanding and plastically deforming the expandable member.
  65. 67. A method for manufacturing a tubular member used to complete a wellbore by radially expanding the tubular member at a downhole location in the wellbore comprising: forming a steel alloy comprising a concentration of carbon between approximately 0.002% and 0.08% by weight of the steel alloy.
  66. 68. The method of claim 67, further comprising forming the steel alloy with a concentration of niobium comprising between approximately 0.015% and 0.12% by weight of the steel alloy.
  67. 69. The method of claim 67, further comprising: forming the steel alloy with low concentrations of niobium and titanium; and limiting the total concentration of niobium and titanium to less than approximately 0.6% by weight of the steel alloy.
  68. 70. An expandable tubular member fabricated from a steel alloy having a concentration of carbon between approximately 0.002% and 0.08% by weight of the steel alloy.
  69. 71. A method for manufacturing an expandable tubular member used to complete a wellbore completion within a wellbore that traverses a subterranean formation by radially expanding and plastically deforming the expandable tubular member within the wellbore, comprising:
    forming the expandable tubular member from a steel alloy comprising a charpy energy of at least about 90 ft-lbs;
    forming the expandable member from a steel alloy comprising a charpy V-notch impact toughness of at least about 6 joules;
    forming the expandable member from a steel alloy comprising the following ranges of weight percentages:
    C, from about 0.002 to about 0.08;
    Si, from about 0.009 to about 0.30;
    Mn, from about 0.10 to about 1.92;
    P, from about 0.004 to about 0.07;
    S, from about 0.0008 to about 0.006;
    Al, up to about 0.04;
    N, up to about 0.01;
    Cu, up to about 0.3;
    Cr, up to about 0.5;
    Ni, up to about 18;
    Nb, up to about 0.12;
    Ti, up to about 0.6;
    Co, up to about 9; and
    Mo, up to about 5;
    forming the expandable tubular member with a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22; and
    strain aging the expandable tubular member prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.
  70. 72. An expandable tubular member for use in completing a wellbore completion within a wellbore that traverses a subterranean formation by radially expanding and plastically deforming the expandable tubular member within the wellbore, comprising:
    a steel alloy having a charpy energy of at least about 90 ft-lbs;
    a steel alloy having a charpy V-notch impact toughness of at least about 6 joules; and
    a steel alloy comprising the following ranges of weight percentages:
    C, from about 0.002 to about 0.08;
    Si, from about 0.009 to about 0.30;
    Mn, from about 0.10 to about 1.92;
    P, from about 0.004 to about 0.07;
    S, from about 0.0008 to about 0.006;
    Al, up to about 0.04;
    N, up to about 0.01;
    Cu, up to about 0.3;
    Cr, up to about 0.5;
    Ni, up to about 18;
    Nb, up to about 0.12;
    Ti, up to about 0.6;
    Co, up to about 9; and
    Mo, up to about 5;
    wherein a ratio of the of an outside diameter of the expandable tubular member to a wall thickness of the expandable tubular member ranging from about 12 to 22; and
    wherein the expandable tubular member is strain aged prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.
  71. 73. A wellbore completion positioned within a wellbore that traverses a subterranean formation, comprising:
    one or more radially expanded and plastically deformed expandable tubular members positioned within the wellbore completion;
    wherein one or more of the radially expanded and plastically deformed expandable tubular members are fabricated from:
    a steel alloy comprising a charpy energy of at least about 90 ft-lbs;
    a steel alloy comprising a charpy V-notch impact toughness of at least about 6 joules; and
    a steel alloy comprising the following ranges of weight percentages:
    C, from about 0.002 to about 0.08;
    Si, from about 0.009 to about 0.30;
    Mn, from about 0.10 to about 1.92;
    P, from about 0.004 to about 0.07;
    S, from about 0.0008 to about 0.006;
    Al, up to about 0.04;
    N, up to about 0.01;
    Cu, up to about 0.3;
    Cr, up to about 0.5;
    Ni, up to about 18;
    Nb, up to about 0.12;
    Ti, up to about 0.6;
    Co, up to about 9; and
    Mo, up to about 5;
    wherein at least one of the expandable members comprises a ratio of the of an outside diameter of the expandable member to a wall thickness of the expandable member ranging from about 12 to 22;
    wherein an outer portion of the wall thickness of at least one of the radially expanded and plastically deformed expandable comprises tensile residual stresses; and
    wherein at least one of the expandable tubular member is strain aged prior to the radial expansion and plastic deformation of the expandable tubular member within the wellbore.
US10528222 2002-09-20 2003-08-18 Threaded connection for expandable tubulars Abandoned US20050236159A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US41237102 true 2002-09-20 2002-09-20
US10528222 US20050236159A1 (en) 2002-09-20 2003-08-18 Threaded connection for expandable tubulars
PCT/US2003/025716 WO2004023014B1 (en) 2002-09-20 2003-08-18 Threaded connection for expandable tubulars

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US10528222 US20050236159A1 (en) 2002-09-20 2003-08-18 Threaded connection for expandable tubulars
US10546076 US20070246934A1 (en) 2002-12-10 2005-08-17 Protective compression and tension sleeves for threaded connections for radially expandable tubular members
US11554288 US20070151360A1 (en) 2002-09-20 2006-10-30 Expandable tubular
US11836835 US20070272419A1 (en) 2002-09-20 2007-08-10 Threaded Connection for Expandable Tubulars
US11866809 US20080100064A1 (en) 2003-02-18 2007-10-03 Protective Compression and Tension Sleeves for Threaded Connections for Radially Expandable Tubular Members

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WO2004023014A9 (en) 2004-10-07 application

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