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Bow Spring Centralizer - China

price: contact company for price

Bow Spring Centralizer

Hinged non welded bow spring casing centralizer is a simple, low-cost bow-spring design which can provide complete centralization in vertical or slightly deviated wells as the bow springs are slightly larger than the wellbore.

If you have any question on casing centralizer, composite centralizer, hinged welded centralizer, aluminum spiral vane solid rigid centralizer and bow spring centralizer etc.

We will give the professional answers to you.

1 - The non weld bow centralizers combine the highest restoring force with the lowest starting force.

2 - High restoring force combined with low starting force is achieved with all bow heights.

3 - The Bows of these Centralizers are heat treated in special furnace which gives it a peculiar ‘bow spring’ action.

4 - The Heat Treated bows enables these centralizer to provide best centralization as well as help in faster running of casing.

5 - The steel of these bows is a "special" made by combination or different metals to provide one of the best tensile strength as well as the "spring back" bow spring action.

6 - The bows are available in a range to accommodate any well profile.

7 - In this type of Centralizers the End Collars have hinges which makes it in two halves.

8 - This enables them to be assembled at site.

9 - The Hinged non welded bow spring centralizers are available in size 4-1/2" to 20".

10 - Their installation on the casing pipe is very convenient.

It requires only the placement of the two assembled halves on the pipe and inserting the pin in the end collar hinge.

11 - The centralizer when unassembled makes a compact package, reducing the shipping cost.

12 - Assembly at site is conveniently done.


Company Contact:


  • Phone: 8602223456997

  • Address: Mazhuangqiao Industry Zone,, Puyang , Henan , China

  • Email: Email


Published date: July 27, 2018

  • Business Description: Puyang Zhongshi Group Co., Ltd. was founded in 1996, which is the restructured enterprise of Central Plains oilfield branch company of SINOPEC .

    The company registered capital is 60.83 million yuan, with annual output value 200 million yuan, 580 employees, including more than 160 technical and administrative staff .

    Oil machinery is our main products, the leading products include pumping unit, subsurface sucker rod pump, wellhead (Christmas Tree), pressure vessels, drilling solid control series products and cementing accessories, such as Casing Centralizer, Cementing Basket, Float Equipment and so on.

    We had attained ISO 9001 in 1998 and API Certificates in 2002 .

    We always insist on the implementation of “consolidating the Central Plains, reaching out to the world”, at the same time expanding domestic and overseas markets.

    For decades, our products are not only on admission Central Plains, Daqing, Shengli, Nanyang, Yanchang, Changqing, Karamay and other domestic major oil fields and coal-bed methane areas, but also are exported to Southeast Asia, Northern Europe, the Middle East, Africa and South America market.

    We have successively established long-term strategic cooperative relations with the oilfield market customers of Sudan, Russia, Kazakhstan, Indonesia, Iran, Syria, Venezuela and other countries .

    We would like to faithfully cooperate with friends from all circles with classic products and service to achieve common development .

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