Dongying Oilman Machinery Equipment Co.,Ltd.
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Description of drilling stabilizer
Stabilizer is one useful tool for drilling operation. We offer a wide variety of near bit stabilizers and string stabilizers according to API SPEC 7-1. All drilling stabilizers are integral style, also can be highly customized as per customer’s requirements.
Integral near bit & string stabilizer are manufactured from one solid bar of AISI 4145H modified steel, usually have 3 blade or 4 blade. Professional heat-treatment process grantees the mechanical strengths meet the requirements of API SPEC7-1. Hardness of 285-341HB can be assured both 1” beneath the outer surface and 4 quadrant across the neck OD.
1. Material: AISI 4145H or AISI 4145H steel, non magnetic tungsten carbide
2. Standard: API, ISO
3. Specification:6"-36"
4. Machine Type: drilling tool
5. Processing type: forging
6. Hard-facing Types: HF1000-HF5000
Optional Stabilizers
We offer several options for IBS, in both alloy steel and non-magnet materials:
● Spiral Integral Blade Stabilizer;
● Straight Integral Blade Stabilizer;
● Non-Magnet Integral Blade Stabilizer;
Specifications of drilling stabilizer
| Bit size(in) | O.D.(mm) | O.D. of body(mm) | I.D.(mm) | Length (mm) | String type connections | Near bit type connections | ||
| Top | Down | Top | Down | |||||
| 6 | 152.2 | 121 | 51 | 1200 | NC38 | NC38 | NC38 | 3 1/2 REG |
| 6 1/4 | 158.7 | 121 | 51 | 1200 | NC38 | NC38 | NC38 | 3 1/2 REG |
| 6 1/2 | 165.1 | 121 | 51 | 1200 | NC38 | NC38 | NC38 | 3 1/2 REG |
| 7 1/2 | 190.5 | 159 | 57 | 1600 | NC46 | NC46 | NC46 | 4 1/2 REG |
| 7 7/8 | 200 | 159 | 57 | 1600 | NC46 | NC46 | NC46 | 4 1/2 REG |
| 8 1/2 | 215.2 | 165 | 71 | 1800 | NC50 | NC50 | NC46 | 4 1/2 REG |
| 9 1/2 | 241.3 | 197 | 71 | 1800 | NC50 | NC50 | NC50 | 6 5/8 REG |
| 12 1/4 | 311.2 | 203 | 76 | 1800 | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG | 6 5/8 REG |
| 16 | 406 | 229 | 76 | 2200 | 7 5/8 REG | 7 5/8 REG | 7 5/8 REG | 7 5/8 REG |
| 17 1/2 | 444.5 | 241.3 | 76 | 2200 | 7 5/8 REG | 7 5/8 REG | 7 5/8 REG | 7 5/8 REG |
| 24 | 609.6 | 241.3 | 76 | 2540 | 7 5/8 REG | 7 5/8 REG | 7 5/8 REG | 7 5/8 REG |
| 26 | 660.4 | 241.3 | 76 | 2540 | 7 5/8 REG | 7 5/8 REG | 7 5/8 REG | 7 5/8 REG |
| 28 | 711.2 | 254 | 76 | 2540 | 7 5/8 REG | 7 5/8 REG | 7 5/8 REG | 7 5/8 REG |
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