7-1 Non-Magnetic Drill Collar Slick Drill Collar Steel Drill Collar for Oilfield Drill Bit
| After-sales Service: | Support |
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| Manufacturing Process: | CNC Milling |
| Surface Treatment: | Polishing |
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Basic Info.
- Model NO.
- Drill Collar
- Operation Pressure
- Atmospheric Pressure
- Material
- Stainless Steel/Alloy Steel/4145h/Carbon Steel
- Product Name
- Drilling Collar
- Machine Type
- Drilling Tool
- Quality
- High Level
- Advantage
- High Wear Resistant, Stress Relief Features
- Color
- Blue/Sliver
- Applicable Industries
- Construction Works, Energy & Mining, Other, Oill
- Application
- Oil/Gas/Geothermal Drilling
- Key Words
- Slick Drill Collar
- Usage
- Oil Drilling Ect
- Packing
- Standared Package
- Transport Package
- Standard Packaging
- Specification
- 3-1/8inch-11inch
- Trademark
- RZ
- Origin
- China
- Production Capacity
- 1000000pieces/Year
Packaging & Delivery
- Package Size
- 50.00cm * 50.00cm * 30.00cm
- Package Gross Weight
- 1000.000kg
Product Description
About Drill Collar
As an important part of drill string, drill collar can supply the drill bit and increase the rigidity of drill string. Drill collar are manufactured strictly according to Spec7-1 standard with material of AISI 4145 Mod. We supply slick drill collars, spiral drill collars, etc. The size of drill collar we can provide is from 3.1/8 to 11 inches. We can also provide other drill collars at customers' specific request.
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Product Name:
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Drill Collars ,Spiral Drill Collar,Non-magnetic Drill Collar,Drill Collar and Drill Stem Accessories;
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Size:
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Outer diameter:3 1/8"-11"
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Length:
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30Ft/31Ft/43Ft/R1~R3
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Connection type:
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NC , REG , FH, IF
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Thread:
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NC26, NC31, NC38, NC40, NC46, NC50, 5.1/2FH
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Material:
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Stainless Steel/Alloy steel/4145H/Carbon steel
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Application:
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Oil and gas well drilling/Oilfield Drilling
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2.Phosphate coating - All connections are phosphate-coated to improve resistance to galling.
3.Stress relief features - pin stress relief groove and box boreback decrease the frequency of fatigue failures.
4.Cold rolling - Drill collar thread roots are cold-rolled. Cold rolling creates a compressive stress condition that increases fatigue life by minimizing crack initiation.
Widely used in oil, gas, HDD and geothermal field.
Grinding Technology
Zhengzhou Ruizuan Diamond Tools Co., Ltd. is committed to providing tools for customers Grinding, cutting, turning, milling, drilling, reaming. Including Abrasives and Grinding Wheels Diamond/CBN Grinding Wheels and tools PCD/PCBN inserts and tools tungsten carbide inserts and tools and high speed steel tools and knives. Our tools are used in many different fields
Our customers in woodworking, metalworking, automotive, stone, glass, gemstones, industrial ceramics,Oil and gas drilling and construction industries. Our products have performed well in these industries for a long time Long service life, high efficiency and low unit cost.
SINGLE BOX PER WHEEL,
10 to 20 WHEELS PER CARTON
DELIVERY TIME:
3-30 days after confirming order,detail delivery date should be decided according to
production season and order quantity.
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