The 3-piece sleeve replaceable stabilizer is made of central pipe, sleeve replaceable and bottom sub which are thread connection. The three-piece construction can bear strong bending strength and the sleeve can be easily and quickly replaced on drill floor. Technical specifications and parameters for 3-piece repaceable sleeve stabilizerWorking O.D. L2 D2 d L1 L Bit Dia mm mm(in) 190.5 (190.0,189.0) 400500 159 57 850 1800 190.5 (7 1/2) 200.0 (199.0,198.0) 200.0 (7 7/8) 212.7 (212.0,211.0) 400500600 159165178 5771 1800 212.7 (8 3/8) 215.9 (215.0,220.0) 215.9 (8 1/2) 222.2 (22.0,220.0) 222.2 (8 3/4) 241.3 (240.0,243.0) 400500600 178 71 180020002100 241.3 (9 1/2) 244.5 (244.0,243.0) 244.5 (9 5/8) 250.8 (250.0,249.0) 250.8 (9 7/8) 311.2 (310.0,309.0) 500600 203209 76 180020002200 311.2 (12 1/4) 444.5 (17 1/2) 444.5 (443.0,442.0) 500600 228
