Hinged Welded Centralizer

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

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.

Single Straight Turbolizer Turbolizer centralizers have all of the characteristics of regular centralizers as far as starting and restoring forces are concerned. The main difference is that the Turbolizer centralizers have a built-in stop collar and deflector blades. These blades, or fins, deflect the fluid flow in a turbulent and outward directed spiral. 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.

Off Set Bow Centralizer Off Set Bows Centralizers are engineered with a tightly toleranced ID that gives a precise sliding fit onto API specification casing. By manufacturing these centralizers in this way, the stand-off performance can be significantly improved, especially in tight annular applications where every millimeter counts. 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.

Slip on Centralizer Backed by the rich experience team of hard-working professionals, we are engaged in offering Slip On Welded Spring Bow Centralizer. The welded bow spring bow centralizer offered by us is highly popular in the market for directly installing on the pipe by slipping on. Our provided bow centralizer is manufactured top quality raw material and contemporary technology in accordance to the set industry norms. Also, we offer this centralizer at industrial leading rates. 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. Product Details: Slip-on centralizers are manufactured with solid end rings that can be easily slipped on the casing OD during installation Operational and general design features are the same as Hinged Welded Bow Spring Centralizers Available Size: 4-1/2â?� to 20â?� Any special sizes or combination can available on request They are shipped in assembled condition only 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.

Rotating Centralizers Rotating centralizers were developed in response to industry requirements for centralizers that could be used with a rotating liner in highly deviated conditions. These centralizers offer the following features: a) High restoring force for optimum standoff b) Low moving force to minimize drag c) Allow free rotation of the pipe for maximum displacement efficiency d) Over stop collar design minimizes moving forces while reciprocating e) Meet or exceed API Specification 10D requirements 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.

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 â??bow springâ?? 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.

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Roller Centralizer FEATURES Integrated roller mechanism eliminates the possibility of roller damage during casing installation. Precision machined wear resistant rollers provide excellent rotational performance in high solids mud environments. Roller design helps to minimize plowing or bulldozing cuttings in high angle wells. Minimal roller contact area creates casing standoff which greatly reduces the possibility of differential sticking. 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. Manufactured with materials suitable for HTHP well environments. The roller centralizer is with rigid body and straight or spiral blade. The centralizer body is processed by casting, the rollers is alloy steel and then heat treatment. Duo to the low friction feature and roller,it is easy to run between roller and inside of casing. The roller centralizer is used in horzontal or deviated well to centre casing. This kinds of centralizer can remove the wellbore stone and make the mud flow easily. The roller provides high wear resistance and has long life for centralizer. Our centralizer coating is powder baking in high temperature. The roller centralizer sizes are from 4-1/2inch to 20inch,any special sizes are available according requirement.