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API Single Piece Non Welded Bow Centralizers

API Single Piece Non Welded Bow Centralizers

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Supplier: Puyang Zhongshi Group Co. Ltd.

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Product Overview

Description

API Single Piece Non Welded Bow Centralizers

Slips On Centralizers are provided for direct installation on pipe by slipping on and can be providing with Set Screw for elimination of Stop collar.

The purpose of the Bow Spring Centralizer, both welded and non-welded, is to help center the casing in the wellbore, allowing even distribution of the cement around the casing during cementing operations. The degree to which the casing is centered depends on the performance of the centralizer and the spacing between the centralizers installed on the casing OD. Bow Spring Centralizers also help reduce casing drag in the wellbore during running operations and prevent differential stroking of the casing. They increase fluid turbulence at the tool, helping to move filter cake from the wellbore. Both welded and non-welded Bow Spring Centralizers can be run through hole restrictions in the bore hole or smaller casing strings that are cemented in the well, which in turn centers the casing below the restriction.

Specification:

No.	Type	Inside diameter (mm)	Height (mm)	Total height (mm)	Largest diameter (mm)
1	5“*12-1/4”	128-131	105	690	330
2	5”*20”	128-131	105	720	535
3	5-1/2”*7”	142-148	55	650	215
4	5-1/2”*8-1/2”	142-148	55	650	225
5	6”*8-1/2”	156-158	55	650	235
6	7”*8-1/2”	181-186	55	650	235
7	7”*9-5/8”	181-186	55	650	255
8	7-5/8”*9-5/8”	197-201	55	650	275
9	9-5/8”*12-1/4”	250-255	55	650	330
10	13-3/8”*17-1/2”	342-347	55	650	450
11	5-1/2”*8-1/2”	142-148	110	650	225
12	7”*9-5/8”	181-186	110	650	255
13	7”*8-1/2”	181-186	110	650	235
14	5”*6-1/2”	128-131	110	650	175
15	7-5/8”*9-1/2”	196-200	110	650	250
16	10-3/4”*12-1/4”	274-276	110	650	330
17	5”*6-1/4”	130-132	110	650	170
18	9-5/8”*12-1/4”	250-255	110	650	330
19	13-3/8”*17-1/2”	342-347	110	650	450
20	5-1/2”*8-1/2”	142-148	55	650	225

Pictures:

integral centralizer centralizer with stop collar1 integral centralizer3 integral centralizer2 centralizer5

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