(19)
(11) EP 4 242 331 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
18.10.2023 Bulletin 2023/42

(43) Date of publication A2:
13.09.2023 Bulletin 2023/37

(21) Application number: 23162882.7

(22) Date of filing: 25.09.2014
(51) International Patent Classification (IPC): 
C22C 1/04(2023.01)
C22C 12/00(2006.01)
C22C 32/00(2006.01)
C22C 1/05(2023.01)
(52) Cooperative Patent Classification (CPC):
C22C 1/04; C22C 1/0483; C22C 32/0089; C22C 32/0094; B22F 2998/10; C22C 12/00; C22C 1/05
 
C-Sets:
B22F 2998/10, B22F 9/082, B22F 3/04, B22F 3/1035;
(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 20.12.2013 US 201314136932

(62) Application number of the earlier application in accordance with Art. 76 EPC:
14870921.5 / 3038773

(71) Applicant: Halliburton Energy Services, Inc.
Houston, TX 77072 (US)

(72) Inventors:
  • Murphree, Zachary R.
    Carrollton, TX, 75006 (US)
  • Fripp, Michael L.
    Carrollton, TX, 75006 (US)
  • Walton, Zachary W.
    Carrollton, TX, 75006 (US)

(74) Representative: Hoffmann Eitle 
Patent- und Rechtsanwälte PartmbB Arabellastraße 30
81925 München
81925 München (DE)

   


(54) WELLBORE ISOLATION DEVICE MADE FROM A POWDERED FUSIBLE ALLOY MATRIX


(57) The present invention provides a method of producing at least a portion of a wellbore isolation device, the method comprising providing a fusible alloy matrix in a powdered form; placing at least the particles of the fusible alloy matrix powder into a mold; compacting the particles located inside the mold via an application of pressure; and fusing the particles together to form a solid material, wherein the solid material forms the at least a portion of a wellbore isolation device; wherein the metal of the fusible alloy is selected from lead, tin, bismuth, indium, cadmium, silver, gallium, zinc, antimony, copper, and combinations thereof; and wherein at least one phase of the fusible alloy matrix has a melting point below 250°C.





Search report









Search report