Design and manufacture of downhole equipment RU | RU REQUEST A CALL +7 (812) 386-77-77 Main office Spring centerers the mainCatalogCentralizersSpring centerers Well filters Borehole hinge Packer Optional equipment Slotted gratings Centralizers Spring centerers Polymer centralizers Roller centralizers Steel spring centralizers are designed for reliable centering of casing strings and liners when running in vertical, directional and horizontal wells. The use of centralizers provides a uniform gap between the casing and the wellbore walls, which improves the quality of cementing of the main string and prevents damage to the filters when running the liner. Benefits robust, non-separable design minimum axial force for pushing the centralizer optimum radial centering force high dimensional accuracy of the centralizer uniform strength of the centralizer design as a whole, contributing to trouble-free use quick and easy installation of the centralizer on the column The size 114/144 168/216 245/295 324/394 426/508 Casing string size , mm 114 168 245 324 426 Borehole diameter , mm 144 216 295 394 508 Inner diameter, mm 117.5 +3.2 -0.000 168.3 +3.2 -0.000 247.7 +3.2 -0.000 327 +3.2 -0.000 430.2 +3.2 -0.000 Outside diameter, min., Mm 147.3 198.1 279.4 355.6 457.2 Outer diameter, max., Mm 159.4 +0.000 -6.35 222.3 +0.000 -6.35 302.8 +0.000 -6.35 401.2 +0.000 -6.35 514.4 +0.000 -6.35 Overall length, mm (± 1.3 mm) 457 457 457 457 457 Max. pushing force, kg 204 408 635 907 1089 Min. radial restoring force, kg 435 817 907 726 817 Quality standard API 10D API 10D API 10D API 10D API 10D Construction type Welded Welded Welded Welded Welded Number of arcs four 6 6 8 8 Ring type one- piece / detachable one- piece / detachable one- piece / detachable one- piece / detachable one- piece / detachable Twitter Facebook In contact with Google plus CATALOG PHOTO GALLERY NEWS CERTIFICATES VACANCIES COMPANY SERVICES CONTACTS ARTICLES +7 (812) 386-77-77 info@strongrf.com © 2017 JSC "PO STRONG" Website development and promotion - www.seotemple.ru

Design and manufacture of downhole equipment RU | RU REQUEST A CALL +7 (812) 386-77-77 Main office COMPANY PRODUCTS SERVICES PHOTO GALLERY CONTACTS PJSC Gazprom Neft the mainAbout companyPartners About company Certificates Partners Requisites Vacancies www.gazprom-neft.ru List of partners Twitter Facebook In contact with Google plus CATALOG PHOTO GALLERY NEWS CERTIFICATES VACANCIES COMPANY SERVICES CONTACTS ARTICLES +7 (812) 386-77-77 info@strongrf.com © 2018 JSC "PO STRONG" Website development and promotion - www.seotemple.ru