We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears factory in China with 5 distinct branches. For far more particulars: Cellular/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828
API Casing Centralizers for Downhole from Expert Provider
1. Kind: Bow spring, rigid
two. Materials: 65Mn steel, carbon metal, or other folks as needed
three. Normal: API, or others as essential
four. Specs: 4 1/2”— 20”, or other individuals as required
five. Introduction
Casing centralizers aid middle the casing in wellbore in the course of the cementing functions, allowing the cement to be evenly distributed close to casing string. The degree to which the casing is centered (standoff) relies upon on the overall performance of centralizer and the spacing amongst the centralizers mounted on the casing OD.
6. Perform
1) Take casing to made placement by decreasing sticking although casing likely down.
2) Centralize casing in properly.
3) Stability liquid stress in annular area by minimizing adhesion phenomenon.
4) Strengthening replacing ratio of mud and boosting cementing quality by reducing channeling effect.
seven. Qualities of Bow Spring Centralizer:
1) Designed for higher restoring force and lower commencing and working drive
two) The greater bows provide complete centralization in vertical or marginally deviated wells.
3) Owing to the flexibility of bows, they can pass through slim gap sections and increase in the targeted spots.
four) Bear specific coating process to prevent from rust
five) For hinged bow spring casing centralizers, end collars are made with self-locking motion, which are easy to assemble and can be shipped in fifty percent assembled condition for considerably less shipping and storage charges.
eight. Attributes for Rigid Casing Centralizers:
1) Shock, influence and corrosion resistant.
2) Higher tensile and generate strengths.
three) Accessible with straight or spiral blades.
four) Will help guarantee positive centering in deviated or horizontal holes.
five) Helps avert differential sticking while working casing.
nine. Parameters of Welded Bow Spring Centralizer
Specification | Casing Dimensions (mm) | Gap Size (mm) | Internal Diameter (mm) | Outer Diameter (mm) |
4-1/2″×6″ | 114 | 152 | 119 | 152 |
5″×6-1/2″ | 127 | a hundred sixty five | 132 | a hundred sixty five |
five-1/2″×8-1/2″ | one hundred forty | 216 | a hundred forty five | 216 |
5-1/2″×9-1/2″ | one hundred forty | 241 | 145 | 241 |
six-5/8″×8-1/2″ | 168 | 216 | 172 | 216 |
seven”×8 1/2 “ | 178 | 216 | 182 | 216 |
7″×9 1/2 “ | 178 | 241 | 182 | 241 |
seven-5/8″×9-1/2″ | 194 | 241 | 198 | 241 |
seven-5/8″x9-7/8″” | 194 | 251 | 198 | 251 |
nine-5/8″×12-1/4″ | 244 | 311 | 249 | 311 |
ten-3/4″× 12-1/4″ | 273 | 311 | 278 | 311 |
12 3/4″×17-1/2″ | 324 | 445 | 329 | 445 |
thirteen-3/8″×17-1/2″ | 340 | 445 | 344 | 445 |
14-3/8″×18-3/4″ | 365 | 476 | 369 | 476 |
16″×20″ | 406 | 508 | 410 | 508 |
eighteen-5/8″×24″ | 473 | 610 | 478 | 610 |
twenty”×26″ | 508 | 660 | 513 | 660 |
Our Crew
HangZhou Maierda Petroleum Products Co., Ltd., located in Central China, is a expert supplier of oilfield products and equipment.
Our factories have a lot more than fifteen a long time ordeals of manufacturing oilfield products and add-ons.
Our income staff has more than 10 years importing & exporting encounters in oil & gasoline market.
Our Items
We are specialized in oilfield products and equipment which includes casing centralizers, float tools, phase collars, cementing plugs, cement heads, cement baskets, casing & tubing couplings, sucker rods, pup joints, drill pipes, drill collars, and many others.
We are dedicated to delivering higher-quality and price-powerful merchandise and companies to our clients.
Our Solutions
We promise and uphold the highe EPT standards in client provider, consumer fulfillment, and quality merchandise delivery in the oilfield market.
Let’s be a part of hands and perform jointly to create us a much better foreseeable future!
We – EPG Group the bigge EPT gearbox & motors , vee pulleys, timing pulleys, couplings and gears manufacturing unit in China with 5 diverse branches. For far more details: Cellular/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778 0571 88828 The use of first gear manufacturer’s (OEM) element numbers or trademarks , e.g. CASE® and John Deere® are for reference reasons only and for indicating product use and compatibility. Our firm and the outlined substitute components contained herein are not sponsored, accepted, or created by the OEM.