Weatherford Non Welded Spring Bow Centralizers
2017-11-22 14:46:15
ZHENGZHOU,November 22,2017- Nonweld bow spring centralizers from Weatherford are used to centralize casing in the wellbore during running and cementing operations. This kinds of bow centralizers are widely in vertical and deviated wells. Wells where rotation capabilities are not required.
The high grade spring steel bow are attached to integrated, hinged end collars with locking tabs. It is very easy install when using the hinged design which enables the end collars to be latched onto casing over a stop collar. The bows provide maximum standoff to achieve the most efficient displacement of mud and cement.
Weatherford’s nonweld bow-spring centralizers are available in several bow heights and sizes, assuring optimum restoring force and providing a variety of bow configurations for special applications. All spring bow centralizer sizes are tested and meet even exceed API Specification 10D requirement.
Bow configurations are available in various heights and sizes suitable for most applications, ensuring operational flexibility. Nonwelded single bow centralizers is used in different casing, sizes from 4 to 30inch(regular sizes like 4-1/2,5-1/2,6-5/8,7,9-5/8,13-3/8inch). Non welded bow centralizer heights are from STA0 to STA4.
Non Welded Bow Centralizer Heights
|
STA0
|
STA1
|
STA2
|
STA3
|
STA4
|
In.
|
0.965
|
1.161
|
1.437
|
2.303
|
3.051
|
mm
|
24.5
|
29.5
|
36.5
|
58.5
|
77.5
|
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API10D Specification For Bow Spring Casing Centralizers
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