Working outside diameter OD mm(inch) |
Salvage diameter OD mm(inch) |
The upper end Thread |
Lower end Thread |
Hole ID mm(inch) |
Neck length mm(inch) |
Total length mm(inch) |
Remarks |
149.2 (5 7/8) |
120.7 (4-3/4) |
NC38 | NC38 | 50.8(2) | 559(22) |
1372 (54) |
Drill string type |
3 1/2REG | Bottom hole type | ||||||
152 (6) |
120.7 (4-3/4) |
NC38 | NC38 | 50.8(2) | 559(22) |
1372 (54) |
Drill string type |
3 1/2REG | Bottom hole type | ||||||
215.9(8-1/2) |
165 (6-1/2) |
NC50 | NC50 |
71.4 (2-13/16) |
686(27) | 1676(66) | Drill string type |
4 1/2REG | Bottom hole type | ||||||
311.15(12-1/4) | 203(8) |
6-5/8 REG |
6-5/8 REG |
71.4 (2-13/16) |
610(24) | 1550(61) | Drill string type |
Bottom hole type | |||||||
444.5(17-1/2) | 229(9) |
7-5/8 REG |
7-5/8 REG |
76.5(3) | 686(27) | 1702(67) | Drill string type |
Bottom hole type | |||||||
660.4 (26) |
241.3 (9 1/2) |
7-5/8 REG |
7-5/8 REG |
76.5(3) | 660(26) | 1930(76) | Drill string type |
Bottom hole type | |||||||
711.2(28) |
241.3 (9 1/2) |
7-5/8 REG |
7-5/8 REG |
76.5(3) | 686(27) | 1981(78) | Drill string type |
Bottom hole type |
Warranty 1 Year Applicable Industries Construction works , Energy & Mining, Tunneling Video outgoing-inspection Provided Machinery Test Report Provided Marketing Type Hot Product 2021 Place of Origin henan China Condition New Brand Name KRDT Type Drill Sleeve Machine Type ...
API standard oilfield stabilizers are manufactured from one solid bar of AISI 4145H modified steel,usually have 3 blade or 4 blades.Professional heat-treatment process guarantees the mechanical strengths meet the requirements of API SPEC7-1.Hardness of 285-341HB can be assured ...