Non Weld Positive Centralizer
Non welded positive Centralizers are uniquely designed with flat bottom U profile of different depths. The Centralizers significantly reduce frictional drag while being used in deviated holes. They provide almost 100% Stand Off when run inside a cased hole. They are supplied 1/4" or 6 mm less than the inside diameter of the hole size in which Centralizer is to be run. This design eliminates weak (brittle) spots passage. U profile bow design permits maximum fluid passage.
Zhongshi manufacture casing centralizer, cementing basket, float equipment, cementing head, cementing plug and stage collar etc. We have 19 years manufacturing experience of petroleum machinery products till now.
End Collars are designed with self-locking action, which are easy to assemble, time saver and have strong grip. The Ten special U sizes Bows can be configured to any hole dia. These Bows with extended profile prevent them from hitting against casing collars. Bows are of high quality steel for consistent characteristics. These centralizers undergo a special Iron Phosphate coating process to prevent from Rust then coated with special Polyester Powder. These can be shipped in half assembled condition for economy in shipping and storage costs. They are available in all sizes ranging from 4 1/2" to 20" sizes. Any special sizes or combination can available on request.
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.
Hinged Non-welded Casing Centralizer Product Description Casing centralizer is one of the necessary conventional casing accessories, upon well operationscompletion, the rational use of casing centralizer can play the role of:Reducing lower casing resistance phenomenon, making the casing smoothly down to the design position; Making casing centralizer centered within the well; Reducing the sticking phenomenon to make the annular space hydrostatic pressure balanced; Reduce channeling, improve the mud replacement efficiency, thus improve the cementing quality. The reset force of double bow type centralizer is higher than that of single bow centralizer, centering centering performance is better than that of single bow type. Bow-spring centralizer 1.These Centralizers are designed for High Restoring Force and Low Starting Force for centralizing the casing pipe in a Vertical, Horizontal and Deviated well 2.Premium quality Bows are made of special alloy steel and hot formed in totally controlled heat treatment plant to achieve the uniform hardness all over 3.Spec and performance index of bow spring casing centralizer meet API Spec 10D. The woven centralizer is connected by pin when in use, the unfolded centralizer can be stacked flatly for convenient storage and transportation. Rigid roller centralizer Rigid casing centralizer is used in deviated wells and horizontal wells. There are several blades on the rigid roller centralizerthat can keep casing from contacting the wellbore wall Roller rigid centralizer which is most suitable for highly deviated wells and horizontal wells has two or three rollers in each blade. It can change slipping friction to rolling friction, so the Roller rigid centralizer greatly reduces the friction between casing and wellbore wall and let casing go to desired position smoothly. Cast aluminum centralizer: The smooth spiral 360 overlap solid vane design of centralizers provide max wall contact will not damage wellhead equipment, has high impact and shock resistance comand fluid swirl. The 30slope from the body to the height of the vane will eliminate scraping, or digging into the formation. The solid cast aluminum centralizers bine with high tensile and yield strengths
Hinged Welded Centralizer Hinged Welded Spring Bow Centralizers are high quality welded products, which meet or exceed API 10D specifications. They are designed for high restoring forces combined with low starting forces essential for centralizing casing pipes. They are manufactured and heat-treated under controlled temperature and time cycles ensuring that the Bow Springs are strongly welded to the End Collar. This ensures minimum distortion and maximum rigidity and integral hinges folded on the inside stay intact even under extreme stress. In addition, the End Collars are designed with a reinforcing rib stamped into the End Collar to ensure maximum strength. 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.
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Eneroil Offshore Offers full range of casing centralizer which includes Bow Spring Centralizer(welded / Non-welded), Solid Centralizers, Solid Rigid Centralizers, Positive Centralizers, Gemoco Centralizers, Roller centralizers and Thermoplastic centralizers.All the products are of high quality and comprises of the standard set by API and ISO.
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Centralizers are mechanical devices that prevent casing from contacting the well bore wall. A continuous 360-degree annular space around casing allows cement to completely seal the casing to the borehole wall. Eneroil Centralizers are renowned in the Oil & Gas industry for their standard quality and performances. Our range of Casing Centralizer includes: 1. Bow Spring Centralizer 2. Single Piece Centralizer 3. Solid Rigid Centralizer 4. Roller Centralizers 5. Thermoplastic Centralizers Based on the current challenges of well operations, our application engineers have designed cementing equipment that suits larger variety of well applications and this range includes Welded, Non-welded, Rigid, Semi-rigid, Roller centralizers, Bow type centralizer along with our latest masterpiece - Single Piece centralizer & Thermoplastic centralizer. Eneroil manufactured Casing Centralizers are mechanical devices that prevent casing from contacting the wellbore wall for all kind of well cementing jobs.
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