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(11)    Patent No :    AP 2594   
(21)    Application No :    AP/P/2009/004911   
(22)    Filing Date :    12.12.2007   
(24)    Date of Grant &    08.02.2013   
           
(45)    Publication :

(30)  Priority Data       
(33) Country    (31) Number    (32) Date
US    60/869,712    12.12.2006

(84)    Designated State

BW    GM    GH    KE    LS    MW  MZ   NA   SL
SD    SZ    T Z    UG    ZM    ZW

(73) Applicant(s)

WELLBORE ENERGY SOLUTIONS, LLC, 6127 Highway 90 E,

Broussard, Louisiana 70518,
United States of America
(72) Inventors

KNOBLOCH Benton T, United States of America

ROY Todd J, United States of America

(74) Representative

FISHER CORMACK & BOTHA
 

(51)  International  Classification   E05B 65/06 (2006.01)    E21B 37/02 (2006.01)


(54)    Title

Improved downhole scraping and/or brushing tool and related methods

(57)    Abstract

An improved and enhanced spring loaded downhole tool for cleaning well casing bores comprising a mandrel, at least a first insert having a passageway

therethrough, and at least a second insert, wherein both the first insert and the second insert are selected from at least one of a spring loaded scraper insert and at least one wire brush insert, and further wherein the first insert and the second insert are slidingly received within a slot on a first mounting portion on the mandrel and a slot on a second mounting portion on the mandrel, from the outermost respective ends, and wherein the first insert is secured by a first retaining sleeve and the second insert is secured by a second retaining sleeve. Also disclosed is a unique method for cleaning a

(56)    Documents Cited :    US-2006207796 A1    US-4479538 A

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