news

• 2016-12-01

  Some Difference Between Single Bow Spring Centralizer and Double Bow Spring Centralizer

  Bow spring centralizers play the important role in the casing centralization for primary cementing.It hleps center the casing in the wellbore during cementing operation and allow the cement displacement. The degree to which the casing is centered (standoff) depends on the performance of the centralizer and the spacing between the centralizers installed on the casing OD.

• 2016-11-22

  Drillpipe Bow Spring Centralizer For Cementing Operations

  Puyang Zhongshi Group designes and manufactures the drillpipe bow spring centralizers for centralizing drill pipe when for inner-string cementing operations.The drilling centralizer is with long,extend straight bow springs which are welded on the hinged end collars.The bow spring centralizer for drilling provides the necessary standoff and centralization to ensure that the specialty inner-string stinger is centered in the casing and properly aligned with the corresponding float equipment.

• 2016-11-18

  Supplying Different Casing Centralizer Types From Puyang Zhongshi Group in China

  Puyang Zhongshi Group is one professional casing centralizer manufacturer with API 10D certificate(API certificate number:10D-0030),it provides top-quality centralizer products for primary cementing operations.Puyang Zhongshi casing centralizer products are designed and manufactured depending on latest equipment and technology,meeting or exceeding API and ISO industy standard.

• 2016-11-14

  Know About Spiral Aluminum Alloy Solid Rigid Centralizer

  Spiral aluminum alloy solid rigid centralizer as one positive stand-off wellbore centralizer,is made of high strength,anti-corrosion aluminum alloy,is widely suit for the cementing need of highly deviated and horizontal wells.The obvious feature is to reduce the torque and drag compared to other solid rigid centralizers, this reduction in drag is proving invaluable in getting casing, liners, and screens to bottom with ease, in demanding and tortuous wells.

• 2016-11-10

  Top 5 Casing Bow Spring Centralizer Manufacturers

  You need looking for right bow spring centralizer manufacturer before cementing,these oilfield service companies often search some information about bow spring centralizer and then check the company webiste and API 10D certificate.According to our experience,as one qualified bow spring centralizer manufacturer and supplier,first it must have API 10D certificate which is within Validity of API and then is checked by API offical website.

• 2016-11-07

  One Piece Casing Centralizer Manufactured From Seamless Pipe

  Last year Puyang Zhongshi Group desinged and maufactured one piece casing centralizer which is made from high quality spring steel,it is with high performance and durability in mind.This kinds of single piece casing centralizer can withstand extreme load in deviated and horizontal holes.Therefore this kinds of one piece centralizer can provide the cementing operation with the newest centralization solution.Now Puyang Zhongshi Group lanuches new one piece casing centralizer which is manufactured from seamless pipe,this is to say,you do not check any welds at all by professional test equipment.

• 2016-10-28

  Why We design Annular Clearance Bow Spring Centralizer

  The bow spring centralizer device is used for centralizing the casing in the borehole,usually the bow centralizer is installed between two API stop collars which ensure to casing.This kinds of casing centralizer is composed of flexible bow spring and slip-on end collars or hinged end collars.Generally speaking the O.D of centralizer is smaller than I.D of hole,as we know,the bow spring centralizer is flexible feature,when the centralizer is running in the borehole,it is firstly compressed to fit within a small annular space and which can later expand to center casing within the bore hole.

• 2016-10-24

  What is Solid Body Centralizer

  Solid body centralizer(sometimes we call rigid centralizer),in fact they are both name of same centralizers for casing.This kinds of solid body rigid centralizer is like tubular or with one tubular body.But there is some difference from tubular,the solid body centralizer is composed of tubular body and blades.

• 2016-10-20

  Looking for Rigid Centralizer Manufacturers On ADIPEC 2016

  ADIPC(The Abu Dhabi International Petroleum Exhibition&Conference) as the world,s most important oil and gas exhibition and conference will be held in 7-10 November 2016 Abu Dhabi National Exhibition Centre(ADNEC).ADIPEC provides the golden opportunity for numbers of exhibiting companies,international country pavilions,visitors and conference speakers from around the word of global energy industry.

• 2016-10-18

  Introducing Professional Casing Centralizer Manufacturer for You

  When you look for casing centralizers for your cementing job,it is possible to face thousands of casing centralizer manufacturers information and difficult to select the right manufacturer.