PTO Wrapper PDF
Dossier Espace Google
Patent
   D957470
Priority
Aug 22 2017
Filed
Aug 27 2021
Issued
Jul 12 2022
Expiry
Jul 12 2037
Inventors
Kirk, Ian
Assg.orig
VULCAN COM…
Assg.curr
VULCAN COM…
Entity
unknown
Referenced by
4
References
36
Maint.:
n/a
The ornamental design for a centralizer for centralizing tubing in a wellbore, as shown and described.

FIG. 1 is a perspective view of a centralizer for centralizing tubing in a wellbore showing our new design.

FIG. 2 is first end view of the centralizer shown in FIG. 1.

FIG. 3 is second end view of the centralizer shown in FIG. 1.

FIG. 4 is first side view of the centralizer shown in FIG. 1.

FIG. 5 is second side view of the centralizer shown in FIG. 1.

FIG. 6 is third side view of the centralizer shown in FIG. 1.

FIG. 7 is fourth side view of the centralizer shown in FIG. 1.

FIG. 8 is perspective view of a second embodiment of a centralizer for centralizing tubing in a wellbore.

FIG. 9 is first end view of the centralizer shown in FIG. 8.

FIG. 10 is a second end view of the centralizer shown in FIG. 8.

FIG. 11 is a first side view of the centralizer shown in FIG. 8.

FIG. 12 is a second side view of the centralizer shown in FIG. 8.

FIG. 13 is a third side view of the centralizer shown in FIG. 8.

FIG. 14 is a fourth side view of the centralizer shown in FIG. 8.

FIG. 15 is a perspective view of a third embodiment of a centralizer for centralizing tubing in a wellbore.

FIG. 16 is first end view of the centralizer shown in FIG. 15.

FIG. 17 is a second end view of the centralizer shown in FIG. 15.

FIG. 18 is a first side view of the centralizer shown in FIG. 15.

FIG. 19 is a second side view of the centralizer shown in FIG. 15.

FIG. 20 is a third side view of the centralizer shown in FIG. 15.

FIG. 21 is a fourth side view of the centralizer shown in FIG. 15.

FIG. 22 is a perspective view of a fourth embodiment of a centralizer for centralizing tubing in a wellbore.

FIG. 23 is a first end view of the centralizer shown in FIG. 22.

FIG. 24 is a second end view of the centralizer shown in FIG. 22.

FIG. 25 is a first side view of the centralizer shown in FIG. 22.

FIG. 26 is a second side view of the centralizer shown in FIG. 22.

FIG. 27 is a third side view of the centralizer shown in FIG. 22.

FIG. 28 is a fourth side view of the centralizer shown in FIG. 22.

FIG. 29 is a perspective view of a fifth embodiment of a centralizer for centralizing tubing in a wellbore.

FIG. 30 is a first end view of the centralizer shown in FIG. 29.

FIG. 31 is a second end view of the centralizer shown in FIG. 29.

FIG. 32 is a first side view of the centralizer shown in FIG. 29.

FIG. 33 is a second side view of the centralizer shown in FIG. 29.

FIG. 34 is a third side view of the centralizer shown in FIG. 29.

FIG. 35 is a fourth side view of the centralizer shown in FIG. 29.

FIG. 36 is a perspective view of a sixth embodiment of a centralizer for centralizing tubing in a wellbore.

FIG. 37 is a first end view of the centralizer shown in FIG. 36.

FIG. 38 is a second end view of the centralizer shown in FIG. 36.

FIG. 39 is a first side view of the centralizer shown in FIG. 36.

FIG. 40 is a second side view of the centralizer shown in FIG. 36.

FIG. 41 is a third side view of the centralizer shown in FIG. 36.

FIG. 42 is a fourth side view of the centralizer shown in FIG. 36.

FIG. 43 is a perspective view of a seventh embodiment of a centralizer for centralizing tubing in a wellbore.

FIG. 44 is a first end view of the centralizer shown in FIG. 43.

FIG. 45 is a second end view of the centralizer shown in FIG. 43.

FIG. 46 is a first side view of the centralizer shown in FIG. 43.

FIG. 47 is a second side view of the centralizer shown in FIG. 43.

FIG. 48 is a third side view of the centralizer shown in FIG. 43.

FIG. 49 is a fourth side view of the centralizer shown in FIG. 43.

FIG. 50 is a perspective view of an eighth embodiment of a centralizer for centralizing tubing in a wellbore.

FIG. 51 is a first end view of the centralizer shown in FIG. 50.

FIG. 52 is a second end view of the centralizer shown in FIG. 50.

FIG. 53 is a first side view of the centralizer shown in FIG. 50.

FIG. 54 is a second side view of the centralizer shown in FIG. 50.

FIG. 55 is a third side view of the centralizer shown in FIG. 50.

FIG. 56 is a fourth side view of the centralizer shown in FIG. 50.

FIG. 57 is a perspective view of a ninth embodiment of a centralizer for centralizing tubing in a wellbore.

FIG. 58 is a first end view of the centralizer shown in FIG. 57.

FIG. 59 is a second end view of the centralizer shown in FIG. 57.

FIG. 60 is a first side view of the centralizer shown in FIG. 57.

FIG. 61 is a second side view of the centralizer shown in FIG. 57.

FIG. 62 is a third side view of the centralizer shown in FIG. 57.

FIG. 63 is a fourth side view of the centralizer shown in FIG. 57.

FIG. 64 is a perspective view of a tenth embodiment of a centralizer for centralizing tubing in a wellbore.

FIG. 65 is a first end view of the centralizer shown in FIG. 64.

FIG. 66 is a second end view of the centralizer shown in FIG. 64.

FIG. 67 is a first side view of the centralizer shown in FIG. 64.

FIG. 68 is a second side view of the centralizer shown in FIG. 64.

FIG. 69 is a third side view of the centralizer shown in FIG. 64; and,

FIG. 70 is a fourth side view of the centralizer shown in FIG. 64.

The broken lines illustrate portions of the centralizer that form no part of the claimed design.
INVENTORS:

Kirk, Ian, Kirk, Nathan

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
ER1996,
ER347,
ER5955,
ER9440,
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
10156103, Mar 20 2014 Downhole Products Limited Centraliser
2727576,
2812200,
3072195,
3235295,
3292708,
3566965,
4011907, Dec 19 1975 Halliburton Company Knockdown centralizer
4531582, Oct 31 1983 FIRST INTERSTATE BANK OF TEXAS, N A Well conduit centralizer
4651823, May 19 1986 Antelope Oil Tool & Mfg. Company Centralizer
4909322, Apr 26 1989 Davis-Lynch, Inc.; DAVIS-LYNCH, INC , A CORP OF TX Casing centralizer
5238062, Apr 27 1991 Weatherford/Lamb, Inc. Centralizer for centring drilling and casing pipes and centralizing arrangement including said centralizer
6484803, Sep 06 2000 TERCEL OILFIELD PRODUCTS USA L L C Dual diameter centralizer/sub and method
7878241, May 16 2007 INNOVEX DOWNHOLE SOLUTIONS, LLC Expandable centralizer for expandable pipe string
9127519, Mar 20 2012 FRANK S INTERNATIONAL, LLC Well centralizer
9341032, Jun 18 2014 PORTABLE COMPOSITE STRUCTURES, INC.; PORTABLE COMPOSITE STRUCTURES, INC Centralizer with collaborative spring force
9556687, Aug 17 2013 INNOVEX DOWNHOLE SOLUTIONS, LLC Multi-vane centralizer and method of forming
20090025929,
20110290474,
20130248206,
20150376960,
20170260816,
20180038222,
20180078998,
D662952, Feb 24 2011 Downhole Products Limited Centraliser
D671960, Feb 24 2011 Downhole Products Limited Centraliser
D676464, Apr 04 2012 SUMMIT CASING SERVICES, LLC Casing centralizer having straight blades
D717836, Mar 26 2014 INNOVEX DOWNHOLE SOLUTIONS, LLC One-piece centralizer with an axial seam and end-collar tabs
D717837, Mar 26 2014 INNOVEX DOWNHOLE SOLUTIONS, LLC One-piece centralizer with an axial seam
D718342, Mar 26 2014 INNOVEX DOWNHOLE SOLUTIONS, LLC One-piece centralizer with an axial seam and windows
D743447, Sep 30 2014 INNOVEX DOWNHOLE SOLUTIONS, LLC Centralizer
D849800, Apr 04 2012 SUMMIT CASING SERVICES, LLC Casing centralizer having spiral blades
D851131, Jan 27 2015 CENTEK LIMITED Centralizer
D873867, Feb 14 2018 INNOVEX DOWNHOLE SOLUTIONS, LLC Centralizer
D905126, Feb 14 2018 INNOVEX DOWNHOLE SOLUTIONS, LLC Centralizer
D930046, Feb 22 2018 VULCAN COMPLETION PRODUCTS UK LIMITED Centralizer for centralizing tubing in a wellbore
ASSIGNMENT RECORDS    Assignment records on the USPTO
/
Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 27 2021VULCAN COMPLETION PRODUCTS UK LIMITED(assignment on the face of the patent)
MAINTENANCE FEES AND DATES:    Maintenance records on the USPTO
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule