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Casings and core barrels

Designation
Casings and core barrels for exploratory drilling and nipples to them COST 6238-77
1 Casing and core barrel with a nipple connection 89x4.5, 1500-6000 mm long COST 6238-77
2 Casing and core barrel with a nipple connection 89x5, 1500-6000 mm long COST 6238-77
3 Nipple to the casing and core barrel with a nipple connection 89)(170 GOST 6238-77
4 Casing and core barrel with a nipple connection 108x4,5, 1500-6000 mm long COST 6238-77
5 Casing and core barrel with a nipple connection 108x5, 1500-6000 mm long GOST 6238-77
6 Nipple to the casing and core barrel with a nipple connection 108x170 COST 6238-77
7 Casing and core barrel with a nipple connection 127x5, 1500-6000 mm long COST 6238-77
8 Nipple to the casing and core barrel with a nipple connection 127x170 COST 6238-77
9 Casing and core barrel with a nipple connection 146x5, 1500-6000 mm long COST 6238-77
10 Nipple to the casing and core barrel with a nipple connection 146x170 GOST 6238-77

 

Casings and coupling to them – GOST 632-80
1 Casing with OTTM thread 114x6.4 COST 632-80
Casing with OTTM thread 114x7.4 COST 632-80
Casing with OTTM thread 114x8.6 COST 632-80
Casing with OTTM thread 114x10.2 COST 632-80
2 Casing with OTTM thread 127x6.4 COST 632-80
Casing with OTTM thread 127x7.5 COST 632-80
Casing with OTTM thread 127x9.2 COST 632-80
Casing with OTTM thread 127x10.7 COST 632-80
3 Casing with OTTM thread 146x6.5 COST 632-80
Casing with OTTM thread 146x7.0 COST 632-80
Casing with OTTM thread 146x7.7 COST 632-80
Casing with OTTM thread 146x8.5 COST 632-80
Casing with OTTM thread 146x9.5 COST 632-80
Casing with OTTM thread 146x10.7 COST 632-80
4 Casing with OTTM thread 168x7.3 GOST 632-80
Casing with OTTM thread 168x8.0 GOST 632-80
Casing with OTTM thread 168x8.9 GOST 632-80
Casing with OTTM thread 168x10.6 GOST 632-80
Casing with OTTM thread 168x12.1 GOST 632-80
5 Casing with ОТТМ thread 178х6.9 GOST 632-80
Casing with ОТТМ thread 178х8.1 GOST 632-80
Casing with ОТТМ thread 178х9.2 GOST 632-80
Casing with ОТТМ thread 178х11.5 GOST 632-80
Casing with ОТТМ thread 178х12.7 GOST 632-80
Casing with ОТТМ thread 178х13.7 GOST 632-80
Casing with ОТТМ thread 178х15.0 GOST 632-80
6 Casing with ОТТМ thread 194х7.6 GOST 632-80
Casing with ОТТМ thread 194х8.3 GOST 632-80
Casing with ОТТМ thread 194х9.5 GOST 632-80
Casing with ОТТМ thread 194х10.9 GOST 632-80
Casing with ОТТМ thread 194х12.7 GOST 632-80
Casing with ОТТМ thread 194х15.1 GOST 632-80
7 Casing with ОТТМ thread 219х7.7 GOST 632-80
Casing with ОТТМ thread 219х8.9 GOST 632-80
Casing with ОТТМ thread 219х10.2 GOST 632-80
Casing with ОТТМ thread 219х11.4 GOST 632-80
Casing with ОТТМ thread 219х12.7 GOST 632-80
Casing with ОТТМ thread 219х14.2 GOST 632-80

Mechanical properties according to steel groups

Name of parameter Mechanical properties according to steel groups
K E  
Tensile strength Gt,
MPa (min)
687 735 784
Yield stress ay,
MPa (min)
490 539 637
Tensile strain 85,
% (min)
12 12 12

 

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Drilling pipes and drilling rods from the manufacturer
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