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444.5mm（17 1/2”）IADC 517 Drilling Tricone Bit Tricone Rock Drilling Head Bit For Oil Well Drilling Rigs Rock Tricone

Place of Origin:

Hebei,China

Certification:

ISO9001

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Product Details

Formation Type:

Clay, Sand, Shale

Nozzle Type:

Fixed

Specification:

Matrix Or Steel Body

Market:

Global

Cone Size:

Various Sizes Available

Type:

TCI Or Steel Tooth

Bearing Type:

Journal Bearing

Payment & Shipping Terms

Price

Negotiable

Packaging Details

According to customer needs

Delivery Time

5-15work days

Payment Terms

T/T

Supply Ability

50000PCS/Month

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Product Description

444.5mm(17 1/2”)IADC 517 Drilling Tricone Bit Tricone Rock Drilling Head Bit For Oil Well Drilling Rigs Rock Tricone

The main ways in which the three cone drill bit crushes rocks are impact and crushing. The impact force and static pressure generated by its longitudinal oscillation all lead to the impact and crushing effect of the teeth on the soil, forming volume crushing pits; The auxiliary methods are sliding and shearing, and the radial and tangential movement on the teeth causes a shearing effect underground, fracturing the rock between the teeth; The erosion effect of the jet is achieved by the rapid jet sprayed from the nozzle, which has an impact effect on the rock underground and assists in the fragmentation of the rock.

Under the effect of drilling pressure and drill string rotation, the teeth crushed and also ate into the rock, and at the same time, there was some sliding and shearing of the rock. When it rolls at the bottom of the well, the teeth above it will successively impact and press into the formation, which can crush a part of the rock at the bottom of the well. At the same time, relying on its sliding, the shear effect weakens the remaining rock between the teeth, causing the rock at the bottom of the well to be completely broken and the wellbore to extend

PRODUCT SPECIFICATIONS
series	CA
tooth type	TCI
connection	6 5/8" Reg PIN
bearing	Open bearing bit
Nozzle	three jet nozzles
application	Mining,water well,oil well,HDD,exploration,etc
weight	78kg
certificate	SY/T5164,ISO9001:2008
RECOMMENDED ROCK FORMATION
medium soft with low compressive strength and harder abrasive stringers,such as shale,hard gypsolyte,soft limestone,sandstone and dolomite with stringers,etc.
RECOMMENDED DRILLING PARAMETERS FOR APPLICATION
Type&IADC code	415	435	445	515,525	535,545	615,625	635,645	735,835
WOB(KN/mm)	0.35~0.90	0.35~0.95	0.35~1.00	0.35~1.05	0.35~1.05	0.35~1.05	0.70~1.20	0.70~1.20
RPM(r/min)	140~70	140~60	140~60	120~50	110~40	80~40	70~40	70~40

Company Profile

Crossing Bit, a leading manufacturer of PDC bits and tricone bits in northern China, has exported its high-quality drill bits to more than 30 countries, demonstrating its strong market influence and exceptional product strength.

Crossing Drilling Tools has not only established a sterling reputation in the drilling, construction, HDD (horizontal directional drilling), exploration, water well, geothermal, mining, and oil & gas industries, but has also gained widespread recognition from customers for its exceptional product reliability and quality. We are committed to developing and producing a range of high-quality tools, including tricone bits, PDC bits, tricone cutters (single rollers), PDC reamers, drag bits, and HDD hole openers, to meet the diverse needs of our customers.

Our meticulously designed PDC bits are specifically optimized for directional drilling. With exceptional stability, durability, and "directional" friendliness, they are able to precisely maintain the bit's position in narrow and complex pay zones, ensuring smooth drilling operations.

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444.5mm（17 1/2”）IADC 517 Drilling Tricone Bit Tricone Rock Drilling Head Bit For Oil Well Drilling Rigs Rock Tricone

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