API Spring Bow Centralizer Casing Stabilizer with Stop Ring for Cementing Well

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Product Overview

Description



Product Description


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 inuse, the unfolded centralizer can be stacked flatly for convenient storage and transportation.




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.


2. Characters
The non welded ones have advantage such as: integral structure, stable performance, simple and convenient to use, etc.
The strong points of non-welded ones are:
(1). It's finished well under mould pressing without any welding.
(2). Starting and restoring force meets API 10D standards.
(3). Easy and convenient to install.
(4). Equipped with spinning disc to improve the displacement efficient.


3. Function
(1). Take casing to designed position by reducing sticking while casing going down.
(2). Centralize casing in well.
(3). Balance liquid pressure in annular space by reducing adhesion phenomenon.
(4). Improving replacing ratio of mud and boosting cementing quality by reducing channeling effect.
(5). Reset force of double-bow casing centralizer is higher than single-bow casing centralizer's, and centralization performance
is stronger




Specification


Model(in)
Hooping In-Dia.(mm)
Hooping
thickness
(mm)
Hooping height(mm)
Total Length(mm)
Max. Out-Dia.(mm)
5-1/2*8-1/2
142-148
3-5
90-120
650±50
225±5
7*9-5/8
181-186
3-5
90-120
650±50
255±5
7*8-1/2
181-186
3-5
90-120
650±50
235±5
8-5/8*12-1/4
223-228
3-5
90-120
650±50
330±5
9-5/8*12-1/4
250-255
3-5
90-120
650±50
330±5
10-3/4*12-1/4
274-276
3-5
90-120
650±50
330±5
13-3/8*17-1/2
342-347
3-5
90-120
650±50
450±5
18-5/8*24
476±1
3-5
90-120
600±50
610±5
20*26
510±1
3-5
90-120
600±50
660±5




Company Profile






We shandong yacheng petroleum technology are established in 2003 year, located in Dongying city, shengli oilfield,which is second largest oilfield of China.

Our business scope includes oilfield equipment supply, such as, drilling equipment and spares, wellhead equipment ,oil recovery equipment. We have been served Shengli oilfield in the last 19 years, established a solid partnership and network with quality OEM factories.
Based on our responsive and responsible engineering & commercial team, we can provide one-stop shop service to our customer, and package plan of procurement which brings added value in terms of delivery time, fair prices, inventory in stock.
We are Looking forward to build up partnership with your company and provide our attentive service to you.


Foreign Oil Delegation Visits




Certifications




Why Choose Us


YCPT- BUSINESS RANGE
Our products are exported to more than 68 countries and regions such as the United States,Central Asia,Russia,Middle East,South America and Africa. The product quality has been recognized by internationally renowned drilling companies, and established a long-term stable cooperative relationship.




FAQ


1) About Packing Inner packing: white box, color boxes (upon request), Outer packing: cartons or pallets
2) Terms of payment: We accept T/T,L/C
3)Terms of Shipment: About 30 days after receiving the advance payment,or according to both parties agreement
4)Ports of shipment: Tianjin,Qingdao, shanghai or other required Port, by sea or air
5)Guarantee: One year since delivery.
6)Inspection: 100% testing before delivery.


0.1862 s.