API Price Tricone Drill Bit Manufacturers for Hard Rock Water Well Drilling

• Customization: Available
• Usage: Metal Drilling, Well Drilling
• Certification: API & ISO
• Model NO.: IADC537 12 1/4 " (311.1mm)
• Warranty: 1 Year
• Weight: 108 Kgs
• Video Outgoing-Inspection: Provided
• Machinery Test Report: Provided
• Condition: Brand New
• Bearing Type: Sealed Journal Bearing Bit
• Gauge Protection: Available
• IADC Code: IADC537
• Extra Gage Protection: Available
• in Stock: Yes
• MOQ: 1 PC
• Processing Type: Forging
• Advantage: Wear Resistant,High Performance
• Application: Oil/Gas/Geothermal/Mining/Geological Survey,HDD...
• OEM: Yes
• Transport Package: Plywood Case
• Specification: 37*37*52cm
• Trademark: Far Eastern Drilling
• Origin: China
• HS Code: 84314300
• Production Capacity: 900, 000PCS/Year
• Package Size: 37.00cm * 33.00cm * 52.00cm
• Package Gross Weight: 107.000kg

Product Description

Far Eastern Drilling are API (API-7-1 & API Spec Q1) factory specializes in drill bits, such as Tricone Bit,PDC Bit,Hybrid Bit,HDD Hole Opener,Foundation Roller Cone Bits and related drilling tools,application fields includes for oil well drilling, gas well drilling, geothermal well drilling, mining, geological survey, hydrographic survey, water well drilling, HDD pipelines installation projects, foundation rock piling projects. We can offer both TCI and Steel (Milled) Tooth in a variety of sizes and all most of IADC codes in stock.
 

A hard rock well tricone drilling bit is an important tool in the field of drilling, especially for drilling through hard rock formations. 

 

1. Structure

 

• Three Cones:
  • As the name implies, it consists of three cones. These cones are mounted on the bit body. Each cone has a set of teeth or cutters. The cones are arranged in such a way that they can effectively engage with the rock surface during rotation.
  • The cones are usually designed to rotate independently to some extent. This independent rotation helps in better distribution of the drilling forces and allows the bit to adapt to the irregularities of the rock formation.
• Bit Body:
  • The bit body serves as the main structure that holds the three cones together. It is typically made of high - strength alloy steel. The body has channels or passages for the circulation of drilling fluid. The drilling fluid is crucial for cooling the bit, removing cuttings from the wellbore, and providing lubrication.

 

2. Cutting Mechanism

 

• Tooth Design:
  • The teeth on the cones are designed to penetrate and break the hard rock. For hard rock drilling, the teeth are often made of tungsten carbide inserts or other hard - wearing materials. These teeth have specific geometries, such as chisel - like or conical shapes, which are optimized for fracturing the hard rock.
  • As the bit rotates, the teeth apply compressive and shear forces on the rock. The compressive force is used to break the rock by crushing it, while the shear force helps in detaching the fragmented rock pieces.
• Rotation and Penetration:
  • When the tricone bit is rotated at the bottom of the well, each cone rotates around its own axis while the entire bit also rotates around the wellbore axis. This combined rotation allows the teeth to continuously impact and cut the rock at different angles, gradually deepening the wellbore.

 

3. Advantages

 

• Versatility:
  • It can be used in a wide range of hard rock formations. Different tooth designs and bit configurations can be selected depending on the specific hardness and characteristics of the rock, such as granite, basalt, or quartzite.
• Stability:
  • The three - cone design provides good stability during drilling. Compared to some other bit types, it is less likely to deviate from the intended drilling path, which is important for maintaining wellbore straightness in hard rock drilling where the forces can be quite high.
• Longevity:
  • With proper design and high - quality materials, the hard rock tricone bit can have a relatively long service life. The tungsten carbide teeth can withstand the abrasive and impact forces associated with hard rock drilling for a reasonable amount of time before needing replacement.

 

4. Limitations

 

• Slower Drilling Speed in Extremely Hard Rock:
  • In some cases of extremely hard and abrasive rock formations, the drilling speed of a tricone bit may be relatively slow compared to some specialized bits for ultra - hard rock drilling, such as diamond - impregnated bits.
• Maintenance and Cost:
  • The maintenance of tricone bits can be complex. If the teeth are damaged,, they need to be replaced, which may require specialized equipment and skilled technicians. Also, the initial cost of high - quality hard rock tricone bits can be relatively high.

 

 

 

 

 

Bit Description:
IADC:537-TCI journal sealed bearing bit with gauge protection for soft to medium soft formations with low compressive strength.
Compressive Strength:
85-100 MPA
12,000-14,500PSI
Ground Description:
Medium hard and abrasive rocks such as sandstones with streaks of quartz,hard limestone or chert,hematite ores,hard,well-compacted abrasive rock such as:sandstones with quartz binder,dolomites,quartzite shales, magma and metamorphic coarse grained rocks.

Basical Specification
Size of Rock Bit	12 1/4 inches
	311.1 mm
Bit Type	TCI Tricone Bit
Thread Connection	6 5/8 API REG PIN
IADC Code	IADC 537G
Bearing Type	Journal Sealed Bearing with Gauge Protection
Bearing Seal	Elastomer/Rubber or Metal
Heel Protection	Available
Shirttail Protection	Available
Circulation Type	Mud Circulation
Drilling Condition	Rotary drilling,high temp drilling deep drilling, motor drilling
Nozzles	Three Nozzles
Operating Parameters
WOB (Weight On Bit) KN/mm	0.35-0.9
RPM(r/min)	50-120
Formation	Medium formation with low compressive strength ,such as medium,soft shale,medium soft limestone,medium soft limestone,medium soft sandstone,medium formation with harder and abrasive interbeds,etc.
Steel (Milled) Tooth Bit             IADC Code	IADC111,IADC114,IADC115,IADC116,IADC117,IADC121,IADC124,IADC125,IADC126, IADC127,IADC131,IADC135,IADC136,IADC137,IADC214,IADC216,IADC225,IADC226, IADC235,IADC237,IADC314,IADC315,IADC316,IADC317,IADC325,IADC326,IADC327, IADC335,IADC336,IADC337,IADC347
Tungsten Carbide Insert       (TCI) Bit IADC Code	IADC417,IADC427,IADC437,IADC517,IADC527,IADC537,IADC617,IADC627,IADC637, IADC737,IADC837,IADC832,IADC415,IADC425,IADC435,IADC445,IADC525,IADC625, IADC635,IADC412,IADC415,IADC416,IADC422,IADC425,IADC427,IADC435,IADC436, IADC446,IADC447,IADC516,IADC526,IADC532,IADC535,IADC536,IADC542,IADC545, IADC547,IADC615,IADC622,IADC632,IADC635,IADC642,IADC645,IADC715,IADC722, IADC725,IADC732,IADC735,IADC742,IADC745,IADC825,IADC832,IADC835,IADC845
Available Sizes	From 2 7/8 inches to 26 inches larger sizes for the hole opener bit ,reamer bit
Advantage	Most favorable price and best quality
Bearing Type	Sealed bearing / non-sealed bearing / Metal sealed bearing / Rubber sealed journal bearing / Air cooled bearing
Layer Details	Soft,medium soft, hard ,medium hard, very hard formation
Button Size/Extra Features	Button bit teeth:1) Y-Conical teeht 2)X-Chisel teeth 3)K-Wide teeth       4)Spoon tooth 5)Spherical Tooth
Material	Alloy steel ,Tungsten of Carbide
Application	oil well drilling, gas well drilling, geothermal well drilling, mining, geological survey, hydrographic survey, water well drilling, HDD pipelines installation projects, foundation rock piling projects.

 

Bit Size		API REG PIN	Torque	Weigt
INCH	MM	INCH	KN.M	KGS
3 3/8	85.7	2 3/8	4.1-4.7	4.0-6.0
3 1/2	88.9			4.2-6.2
3 7/8	98.4			4.8-6.8
4 1/4	108			5.0-7.5
4 1/2	114.3			5.4-8.0
4 5/8	117.5	2 7/8	6.1-7.5	7.5-8.0
4 3/4	120.7			7.5-8.0
5 1/8	130.2	3 1/2	9.5-12.2	10.3-11.5
5 1/4	133.4			10.7-12.0
5 5/8	142.9			12.6-13.5
5 7/8	149.2			13.2-13.5
6	152.4			13.6-14.5
6 1/8	155.6			14.0-15.0
6 1/4	158.8			14.4-18.0
6 1/2	165.1			14.5-20.0
6 3/4	171.5			20.0-22.0
7 1/2	190.5	4 1/2	16.3-21.7	28.0-32.0
7 5/8	193.7			32.3-34.0
7 7/8	200.0			33.2-35.0
8 3/8	212.7			38.5-41.5
8 1/2	215.9			39.0-42.0
8 5/8	219.1			40.5-42.5
8 3/4	222.3			40.8-43.0
9 1/2	241.3	6 5/8	38-43.4	61.5-64.0
9 5/8	244.5			61.8-65.0
9 7/8	250.8			62.0-67.0
10	254.0			68.0-75.0
10 1/2	266.7			72.0-80.0
10 5/8	269.9			72.0-80.0
11 1/2	292.1			79.0-90.0
11 5/8	295.3			79.0-90.0
12 1/4	311.2			95.0-102.0
12 3/8	314.3			96.0-103.0
12 1/2	317.5			97.0-104.0
13 1/2	342.9			105.0-134.0
13 5/8	346.1			108.0-136.0
14 3/4	374.7	7 5/8	46.1-54.2	140.0-160.0
15	381.0			145.0-165.0
15 1/2	393.7			160.0-180.0
16	406.4			200.0-221.0
17 1/2	444.5			260.0-270.0
26	660.4			740.0-760.0

 

FAQ
1. How to get an exact quotation?
Answer: Please send us detailed information as below:
-Tricone bits(Diameter, IADC code)
-PDC bits(Matrix or Steel body, blades quantity, cutter size, etc)
-Hole opener(Diameter, size of pilot hole, hardness of rocks, thread connection of your drill pipe, etc.)
-Roller cutters(Diameter of cones, model number, etc.)
-Core barrel(Diameter, quantity of cutters, connection, etc.)
A simple way is sending us photos .
Besides above, if possible please provide more information as below:
Drilling depth in vertical well drilling, Drilling length in HDD, hardness of rocks, Capacity of drill rigs, application(oil/gas well drilling, or water well drilling, or HDD, or foundation).
Incoterm: FOB or CIF or CFR, by plane or ship, port of destination/discharge.
The more information provided, the more exact quotation will be offered.
2. What is the quality control for your products?
Answer: All of our production are in lines of API rules and ISO9001:2015 strictly, from signing contract , to raw materials, to each production processes, to product finish, to after-sale service, each processes and sections are in accordant with standard.
3. About lead time,payment terms, delivery ?
Answer: We always have regular models available in stock, prompt delivery is one of our advantages. Mass production depends on quantity of order.
We accept all regular payment terms including L/C, T/T, etc.
We are near from Beijing airport and Tianjin(Xingang) seaport, transportation from our factory to Beijing or Tianjin only takes one day, fast and very economical inland charges.
4. What is the history of Far Eastern ?
Answer: The drilling bits business was started at year 2003 only for China domestic requirement, the name Far Eastern  was started from year 2009, now Far Eastern has exported to more than 35 countries and areas.
5. Do you have Referenced Letters /Recommendation Letters from old customers?
Answer: Yes, we have many referenced letters/recommendation letters issued by old customers who would like to share our stories.