4-1/2 R3 Length CASING PIPE AddThis Sharing Buttons Share to FacebookFacebookShare to TwitterTwitterShare to LinkedInLinkedInShare to PinterestPinterestShare to ...AddThis 4-1/2 R3 length CASING PIPE use for oil exploration,Oil Perforation. Send InquiryChat Now Product Details: 4-1/2 R3 Length CASING PIPE Introduction 4-1/2 R3 length CASING PIPE use for oil exploration,Oil Perforation. All wells drilled for the purpose of oil or gas production (or injecting materials into underground formations) must be cased with material with sufficient strength and functionality. Specification Size 4-1/2â?? Material Grade L80 Thread Type STCLTCBTCPremium Connection Length R3(10.36-14.63m) Product Description Size Outside Diameter(mm) Wall Thickness(mm) 4-1/2â?? 114.30 5.21-8.56 5â?? 127.00 5.59-12.7 5-1/2 139.70 6.20-22.2 6-5/8 168.28 7.32-12.06 7â?? 177.80 5.87-22.22 7-5/8 193.68 7.62-19.05 7-3/4â?? 196.85 15.11 8-5/8