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| Categories | Drilling Stabilizer | 
|---|---|
| Place of Origin: | Jiyuan, China (Mainland) | 
| Brand Name: | KY | 
| Certification: | API | 
| MOQ: | 5 Metric tons | 
| Price: | Facotry direct Price | 
| Packaging Details: | Standard package | 
| Delivery Time: | within 35~50 days after receiving the order | 
| Payment Terms: | T/T, L/C | 
| Supply Ability: | 3000 Ton/Tons per Year | 
| Type: | Stabilizer | 
| Machine Type: | Drilling Tool | 
| Material: | Alloy Steel | 
| Processing Type: | Forging | 
| Use: | Well drilling | 
| Color: | Blue | 
| Quality: | Top | 
API Drilling Tools Near Bit Stabilizer
Integral spiral blade stabilizer is manufactured from one solid bar of AISI 4145H modifed steel, usually have 3-blade or 4-blade. Professional heat-treatment process gurantees the mechanical property 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.
Specifications:
1. Product: integral spiral blade stabilizer
2. Raw material: AISI 4145H MOD or non magnetic steel
3. Types: Drill String type and Near bit type.
4. Packing: anti-rust package, steel shelf with plastic bags
5. Standard: API Spec 7-1 or SY/T5051-91Standard.
6. Delivery time: within 30 days after receiving the deposit
7. Delivery condition: as customers' requirement, semi-finished forging or finished product
8. Stress Relief Groove(SRG) on connections, bored for float also available for your choice.
Mechanical Property
| Tensile Strength | Yield Strength | Charpy V-notched Toughtness | Elongation | Reduction of area | |
| Mpa | Mpa | 20°C | -20°C | % | % | 
| ≥966 | ≥758 | ≥54J | 30J | ≥13 | ≥40 | 
Integral blade stabilizer specification
| Working | Working | D2 | D | L±20 | Suitable Bit Diameter | |||
| Short Type | Long type | |||||||
| Near-bit Type | Drill | Near-bit Type | Drill | |||||
| L3=150 | L1=350 | L3=300 | L1=700 | |||||
| 152.4 | 400 500 | 121 | 51 | 950 1050 | 1100 1200 | 1450 1550 | 1650 1750 | 152.4(6) | 
| 158.7 | 158.7(6 1/4) | |||||||
| 161.5 | 165.1(61/ | |||||||
| 190.5 | 400 500 | 159 | 57 | 950 1050 | 1100 1550 | 1450 1550 | 1650 1750 | 190.5(71/2) | 
| 200.0 | 200.0(8 3/8) | |||||||
| 212.7 | 400 500 700 | 178 | 71 | 950 1050 1250 | 1100 1200 1650 | 1450 1550 1650 | 1650 1750 1850 | 212.7(8 3/8) | 
| 215.9 | 215.9(8 1/2) | |||||||
| 222.2 | 222.2(8 3/4) | |||||||
| 241.3 | 400 500 600 700 | 178 | 71 | 950 1050 1150 1250 | 1100 1200 1300 1400 | 1450 1550 1650 1750 | 1650 1750 1850 1950 | 241.9(9 1/2) | 
| 244.5 | 244.5(9 5/8) | |||||||
| 250.8 | 250.8(9 7/8) | |||||||
| 311.1 | 600 800 | 203 229 | 76 | 1250 | 1400 | 1850 | 2050 | 311.1(12 1/4) | 
| 444.5 | 700 | 1550 | 1700 | 2150 | 2350 | 444.5(17 1/2) | ||
Integral straight blade stabilizer: Integral 3-straight rib
stabilizer, integral 4-straight rib stabilizer, and Integral
multi-straight rib stabilizer, which working surface are provided
with carbide insert compound and overlay, etc. The body is made
from high strength alloy steel of heat treated.
Features:
To be manufactured from high strength 4145H heat treated materias.
•One-piece rotation stabilizer can be run either near the bit or up
in the drill string.
•Various hardfacings are available i.e. Composite Tungsten Carbide
Rod, Tungsten Carbide Inserts, Diamond Inserts, Geothermal.
•Full standard spec and special spec are available.
Applications:
To be applied in most rugged and abrasive drilling formation.

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