(19)
(11) EP 2 251 395 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
08.10.2014 Bulletin 2014/41

(45) Mention of the grant of the patent:
30.07.2014 Bulletin 2014/31

(21) Application number: 10250909.8

(22) Date of filing: 12.05.2010
(51) International Patent Classification (IPC): 
C09K 8/575(2006.01)
C09K 8/68(2006.01)
C09K 8/516(2006.01)
E21B 43/267(2006.01)
C09K 8/02(2006.01)
 C09K 8/80(2006.01)
C09K 8/506(2006.01)
E21B 43/02(2006.01)
E21B 21/00(2006.01)

(54)

Methods for increase gas production and load recovery

Verfahren zur Erhöhung der Gasproduktion und Ladungsrückgewinnung

Procédé pour augmenter la production de gaz et la récupération de charge

(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 SE SI SK SM TR

(30) Priority: 12.05.2009 US 464351

(43) Date of publication of application:
17.11.2010 Bulletin 2010/46

(60) Divisional application:
11005345.1 / 2371924

(73) Proprietor: Clearwater International LLC
Houston, TX 77056 (US)

(72) Inventors:
  • Zamora, Frank
    San Antonio, Texas 78232 (US)
  • Kakadjian, Sarkis Ranka
    San Antonio Texas 78253 (US)
  • Fitzgerald, Erin
    San Antonio Texas 78259 (US)
  • Garza, Tina
    San Antonio Texas 78258 (US)

(74) Representative: Shanks, Andrew et al
Marks & Clerk LLP Aurora 120 Bothwell Street
Glasgow G2 7JS
Glasgow G2 7JS (GB)


(56) References cited: : 
WO-A2-2006/123100
US-A1- 2007 131 425
 US-A1- 2007 029 085
   
     
    Remarks:
    The file contains technical information submitted after the application was filed and not included in this specification
     
    Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).