Product Details
Rock Bit , Medium Hard Formation , Three Nozzles , Jetted Bit , TCI
Bit , TRC Bit
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
Types & IADC Code | 417 | 437 447 | 517 527 | 517 527 | 537 547 | 617 627 | 637
|
WOB | KN/mm(Bit Dia.) | 0.4~0.9 | 0.4~0.9 | 0.35~1.0 | 0.35~1.0 | 0.5~1.0 | 0.6~1.1 | 0.7~1.2 |
Lb/in. (Bit Dia.) | 2285~5142 | 2285~5142 | 2000~5714 | 2000~5714 | 2857~5714 | 3428~6285 | 4000~6857 |
Rotation Speed (Rpm) | 140~60 | 240~70 | 125~50 | ~60 | 110~50 | 100~40 | 80~4 |
ROLLER CONE BIT BEARING ASSEMBLY
The cones of a roller cone bit are mounted on journals. There are
three types of bearings used in these bits:
1. Roller bearings, which form the outer assembly and help to
support the radial loading (or WOB)
2. Ball bearings, which resist longitudinal or thrust loads and
also help to secure the cones on the journals
3. A friction bearing, in the nose assembly which helps to support
the radial loading. The friction bearing consists of a special
bushing pressed into the nose of the cone. This combines with the
pilot pin on the journal to produce a low coefficient of friction
to resist seizure and wear.
Company Profile
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.