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311.2mm FA Series Water Well Drill Bits , HDD Drill Bits IADC 517G API-7-1 Standard

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Brand Name:FLRT

Model Number:12 1/4 FA517G

Certification:API-7-1, ISO 9001:2008

Supply Ability:300pcs per quarter

Delivery Time:5~45 workdays

Company Data

FLRT Bit

Site Member

Contact Person Jade

Business Type: Manufacturer Distributor/Wholesaler Exporter

Officials: B2-0645 ROOM, CENTURY-TEA-TRADE-CENTER, NO.10 MALIANDAO ROAD, XUANWU DISTRICT, BEIJING, CHINA

Quality: Quality Certifitation Available

Product Details Company Profile

Product Details

311.2mm , FA Series , IADC 517G , Rock Bit, Water Well Drilling Bit , HDD Drilling

RECOMMENDED DRILLING PARAMETERS FOR APPLICATION

Types & IADC Code		417	437 447	517 527	537 547	617 627	637
WOB	KN/mm(Bit Dia.)	0.4~0.9	0.4~0.9	0.35~1.0	0.5~1.0	0.6~1.1	0.7~1.2
WOB	Lb/in. (Bit Dia.)	2285~5142	2285~5142	2000~5714	2857~5714	3428~6285	4000~6857
Rotation Speed (Rpm)		140~60	140~60	125~50	110~50	100~40	80~40

Teeth and Tungsten Carbide Insert Buttons

- Length and geometry relate the rock strength
- Size of the cone and bearing structure affect the teeth

- Teeth design criteria are:
- Spacing and interfitting of teeth governed by tooth strength, depth and included angle
- Shape and length, dictated by formation characteristics
- Types of teeth, milled or inserted

- Log slider and widely spaced teeth used for soft rock

- Long teeth allow results in breaking greater volume

- Wide spacing allows easy removal of drilled cuttings

- The included angle for soft rock from 39 to 42

- Medium hard would have a moderate number of teeth and 43 to 45 included angle

- Hard rocks need 45 to 50 included angle

- Milled teeth are faced with hardening metal to reduce wear

- Milled tooth bits are suitable for soft formation

- Insert are used for hard formation

- There are several types of insert to suit the hardness

- Chisel-shaped for soft rock

- Round or spherical for medium and hard rocks

Company Profile

FLRT Bit

Hejian City Feilong Retop Rock Bit Manufacture Co., Ltd. is established in 1992 and located in Hebei Province, China. Integrated with Beijing Feilong International Trade Co., Ltd. and Beijing Superior Drilling Equipment Co., Ltd. , the company has involved into a comprehensive enterprise integrating production, R&D and distribution of tricone bits, PDC bits, trenchless and rotary drilling tools.

The company serves the customers in oil & gas drilling, mining, exploration, HDD drilling and rotary drilling with covering a complete product line.

The company covers an area of 36,000 square meter and has more than 200 employees, including more than 100 technicians. The company has equipped with contemporary advanced processing equipment of processing and detecting and testing instruments. The company has obtained the certification of the quality system: ISO 9001, ISO 14001, OHSAS 18001 and mostly important API 7-1.

The company’s annual production of various drilling tools is over 10,000 sets, which exported to over 20 countries and regions. We, FeiLong ReTop ( FLRT ) are willing to cooperate with friends at home and abroad to make joint development and contribute to global energy development and urban infrastructure development.

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