| Customization: | Available |
|---|---|
| Customized: | Customized |
| Standard: | AISI, API |
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8 3/8 -9 1/2 EBS1646/S323
1. Suitable for drilling expandable mudstone as well as for drilling deepening wells and secondary completion to enlarge annular space for casing and improve well cementing quality.
2. Bit body is made of superior alloy steel which has excellent strength and toughness&Bit surface is reinforced in order to prevent erosion and prolong service life of the bit.
3. Large size borehole can be maximally enlarged to 2 inches larger than through diameter;Centralizers are not needed when using this series of bit.
4. CFD hydraulic balance design.
5. API Certificate
Number of Blades 6
Cutter Quantity 42+36
Primary Cutter Size 16+13mm
Primary Cutter Quantity 24+24
Gauge Length 40 mm
Junk Slot Area 13000 mm2
Connection 4 1/2 REG
Bit Weight 59KG
Nozzle Quantity/Type 10NZ
Weight on Bit 30~140 KN
Rotatoin Speed 50~200 RPM
Hydraulic Flow Rate 25~48 L/S
Wuhan Eastar Tool Company Limited is one high-tech company specialized in the PDC bit design and manufacture, which is by integrating R&D, manufacture and technical service as a whole, located in one of the national development zone -Wuhan East Lake New-Tech. Development Zone.
By integrating R & D, manufacturing, and technical services, Wuhan Eastar Tool Company Limited is a professional manufacturer of fixed cutter drill bits and down hole tools for all types of drilling applications.
EASTAR's experience of diamond bit business is traceable to the year 1987, and the company is the first professional diamond bit manufacturer with the introduction of advanced technology from the international majors.
Technical Center of EASTAR owns complete & perfect equipment and technology for R & D, testing, and experimentation, and possesses a series of advanced technology with its self-dominated intellectual property, including the independently developed C-4 technology, bit selection system based on rock mechanics analysis.
Continuous development and technology advancement of the company is supported by the fundamental research and field practical research, which is conducted by cooperation with research institutes and universities.
EASTAR is fully qualified with API 7-1 as the conformance with Specification of Quality Programs for the Petroleum, Petrochemical and Natural Gas Industry, ISO 9001: 2015 as Quality Assurance System, ISO 14001: as Environmental Management Systems, OHSAS 18001 as Occupational Health and Safety management Systems.
Company vigorously develops core technologies, continuously satisfies customers' individualized requirements, supplies economic and effective solutions in a fast manner, and provides specialized, high-quality & reliable value-added services, and is dedicated to becoming one of the excellent energy technology service providers in the world.
Company enterprise philosophy: Working Harmoniously Together & Repaying Society to the Best of Its Ability'.
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