12-1/4 EHS1633HE/S324
1.Suitable for medium hard to hard formation and interbedded formation, it could be used on the formations which including flint, conglomerate, quartzite and granite.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.Suitable for difficult directional well.4.Applicable range of the bit is widened through utilization of technologies such as
impact resistant cutting structure and auxiliary cutters, etc
5.CFD hydraulic balance design.
Product Parameters
Number of Blades
3
Number of roller cones
3
Cutter Quantity
66
Primary Cutter Size
16mm
Primary Cutter Quantity
31
Gauge Length
140
mm
Junk Slot Area
13000mm2
Connection
6-5/8 REG
Bit Weight
136KG
Nozzle Quantity/Type
6NZ
Weight on Bit
30~200 KN
Rotatoin Speed
50~250 RPM
Hydraulic Flow Rate
40~70
L/S
Recommended Torque
49.56~51.43 Kn•m
Nozzle Quantity/Type
6NZ

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'.