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  • API rigid Centralizer
API rigid Centralizer

API rigid Centralizer

  • Product description: API rigid Centralizer
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API rigid Centralizer

Product Description
Spiral rigid centralizers one of the conventional casing accessories, now be widely used in horizontal Wells, vertical well, and large slope well. On well operations completion, the rational use of casing centralizer can play the role of: Reducing casing resistance , making the casing smoothly down to the design position; Making casing centralizer centered within the well; Reducing the sticking to make the annular space hydrostatic pressure balanced; Inproving replacing ratio of mud and boosting cementing quality by reducing channeling effect.
As following, the rigid centralizer has itself advantage:
It's finished well under mould pressing without any welding. integral structure, stable performance, simple and convenient to use.
The smooth spiral 360 overlap vane design of centralizers provide max wall contact will not damage wellhead equipment, has high impact and shock resistance comand fluid swirl.
The spiral rigid centralizer bine with high tensile and yield strength.
Technical parameters
Specification In-Dia(mm) Wall Thickness(mm) Height (mm) Total height(mm) Largest Dia(mm) Spring Number
5-1/2”*8-1/2” 142-148 3-5 55 650 225 5
7”*9-5/8” 181-186 3-5 55 650 255 6
7”*8-1/2” 181-186 3-5 55 650 235 6
8-5/8”*12-1/4” 223-228 3-5 55 650 330 8
9-5/8”*12-1/4” 250-255 3-5 55 650 330 8
10-3/4”*12-1/4” 274-276 3-5 55 650 330 9
13-3/8”*17-1/2” 342-347 3-5 55 650 450 11
18-5/8”*24 476 3-5 55 600 610 12
20”*26 510 3-5 55 600 660 12


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