break stone tools 24" tricone rock bit

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$200.00 - $8,000.00 / Piece | 1 Piece/Pieces (Min. Order)
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Overview
Quick Details
Place of Origin:
Hebei, China
Brand Name:
HJ
Model Number:
24" 610mm
Type:
Center Drill Bit, tricone bit
Use:
Well Drilling, Well Drilling
Material:
Tungsten Carbide
body material:
Alloy steel
wob:
0.3-1.2kN/mm
rpm:
180-50r/min
color:
blue red gooden or as your requirements
certification:
ISO9001:2008
guarantee period:
3-4 years
Supply Ability
Supply Ability:
500 Piece/Pieces per Month
Packaging & Delivery
Packaging Details
wooden case or as your requirements
Port
tianjin
Picture Example:
package-img

Welcome visit hengji bit company 

 

We have all size of tricone bits,PDC bits,core bits,steel tooth bits,insert tricone bits,single cone bits,hole opener,assemble tricone bit,etc. Suitable for soft to hard formations.

 

                                 Application for bit

 

 

In Petroleum & Gas ,Water well ,Mining and Tectonic Industries ,Oil field, Construction, Geothermal, Directional Boring, and Underground Foundation work.

 

 

 

 

Introduction about rock drill bit:

1,Include single rock bit,tricone rock bit and assemble rock bit. And steel tooth rock bit,insert rock bit.

2,Rock bit is the most widely used, Cone bit work cutting teeth alternating contact the bottom of the well, the rock breaking torque is small, contacting area is small, high specific pressure, easy to eat into the stratum; the total length of working edge is big, so relatively reduce wear. Cone bit can adapt to a variety of formation from soft to hard

                                           The bit structure

 

 

 

Cone bit is composed by cutting structure, bearing structure, the locking element and oil sealing device,  nozzle device, more than 20 kinds of parts .

The leg material is 15CrNiMo,a tricone bit is composed of 3 legs.The cone material is 15CrNi4Mo.The tooth type is include steel tooth and insert tooth.Insert tooth is punch in outside of the cone.The steel tooth is milled from the cone directly.the tooth is engage each other,

Can break comprehensive rock effectively and without repeated  and prevent alveolar mudbag .

Bit tooth shape, size, quantity, depending on the drilled strata hardness, formation is soft, then the teeth larger and more pointed, the fewer quantity.

 

Bit Nozzle type:S-series, P-series,M-series.A bit uaually include 3 or 4 nozzles.Diameter7-14mm. It is fixed in the hydrophthalmia with circlip and sealed with O-ring.

 

Roller arrangement:

1,Non self washing no slide layout:suitable for hard formations.

2,Self cleaning does not shift shaft arrangement: suitable for medium formations.

 

 

 

Beraing of bit :

 

 Bearing structure  include Cone cavity, claw shaft neck, bearing the runway, the locking element . Each cone has large, medium and small and the thrust bearing ,toal four paybearing. Big, small bearings bear radial load; medium bearing used in locking and positioning;thrust bearing  bear axial load.

 

Oil lubrication sealing system:

Sealing system include two types : O-ring sealed ,metal sealed.

 operational principle :Oil pressure compensation system (the pressure transmission hole, pressure compensation film, oil etc.) to keep equilibrium  between the oil and fluid pressure in the well .When oil pressure reduce , oil in  storage cup is added  into bearing cavity in the effect of drilling fluid column pressure.When Oil pressure of  the bearing cavity increase, oil  fluid into the cup.So,well sealed is very important.

 

 Different tooth corresponding different formation

   

 

                                                                           operational principle of roller bit

1,Movement in the bottom of the well

Revolution:

Roller rotating along with a drill, clockwise

Rotation:

Teeth counterclockwise rotation around the axis, said rotation, counter clockwise

 Sliping:

The tooth  slip with respect to the bottom , including radial (axial) and tangential.

The longitudinalvibration

In the rolling process, the center ups and downs, so that the drill bit  do reciprocating movement up and down.

2,rock-breaking mechanism:

Shock ,crush;slip shear.

The size:

 

 

 

bit size

API PIN

Nozzle OD

Assembly Length

In

mm

in

mm

mm

 4 1/8

 104.8mm

 2 7/8

 20.3

17.5 

4 1/4

 108.0mm

 2 7/8

 20.3

17.5

4 5/8

117.5

2 7/8

20.3

17.5

4 3/4

120.3

2 7/8

20.3

17.5

5 1/2

139.7

3 1/2

20.3

17.5

5 5/8

142.9

3 1/2

23.6

19.0

5 3/4

 146.1

d3 1/2

23.6

19.0 

5 7/8

149.2

3 1/2

23.6

19.0

6

152.4

3 1/2

23.6

19.0

 6 1/8

 155.6

 3 1/2

23.6 

 19.0

6 1/4

158.8

3 1/2

23.6

19.0

6 1/2

165.1

3 1/2

23.6

19.0

6 3/4

171.4

3 1/2

23.6

19.0

7 1/2

190.5

4 1/2

29.8

21.0

7 7/8

200.0

4 1/2

29.8

21.0

8 1/4

209.6

4 1/2

29.8

21.0

8 3/8

212.7

4 1/2

33.0

27.0

8 1/2

215.9

4 1/2

33.0

27.0

8 3/4

222.2

4 1/2

33.0

27.0

9 1/2

241.3

4 1/2

33.0

27.0

9 5/8

244.5

6 5/8

33.0

27.0

9 7/8

250.8

6 5/8

33.0

27.0

10 5/8

269.9

6 5/8

33.0

27.0

11

279.4

6 5/8

33.0

27.0

11 5/8

295.3

6 5/8

33.0

27.0

12 1/8

308.0

6 5/8

33.0

27.0

12 1/4

311.1

6 5/8

33.0

27.0

13 1/8

333.4

6 5/8

33.0

27.0

13 5/8

342.9

6 5/8

33.0

27.0

13 3/4

342.9

6 5/8

33.0

27.0

14 1/2

368.3

6 5/8

33.0

27.0

14 5/8

355.6

6 5/8

33.0

27.0

14 3/4

374.6

7 5/8

40.9

27.0

15 1/2

393.7

7 5/8

40.9

27.0

16

406.4

7 5/8

40.9

27.0

17 1/2

444.5

7 5/8

40.9

27.0

18 7/8

479.4

7 5/8

40.9

27.0

20

508.0

7 5/8

40.9

27.0

 24

609.6 

 7 5/8

 40.9

 27.0

26

660.4

7 5/8

40.9

27.0

 

 

 

Model

TCI BIT, STEEL TOOTH BIT

 

 

IADC CODE

 Steel tooth:116 117 12 6127 136 137 216 217 226 226 316 317 326 327 336 337 115 125 135 215 225 235 315 325 335 114 124 214 314 111 121 131 346 347

Insert tooth:417 427 437 517 527 537 617 627 637 737 837 832 415 425 435 445 525 625 635 416 427 436 446 447 516 526  537 547 516 536  535

available sizes:

From 2 7/8 to 26”

larger sizes for hole opener bit ,reamer bit

advantage

most favourable price and best qualtity

bearing type:

sealed bearing and non-sealed bearing

HJ(metal sealed journal bearing)  

HA (rubber sealed journal bearing

aircooled bearing type

Formation or layer

soft ,medium soft ,hard,medium hard,very hard formation

Button size (extra features)

Button bit,saw teeth

1) Y-Conical teeth  2) X-chisel teeth

3)K- wide teeth

4)G- Gague protection

Material

Alloy steel ,carbide

Packing

Wooden case or steel case

Payment terms

T/T,L/C,Western union

Delivery terms

By sea or by air

Delivery time

according to the quantity

Market

all over the world

 

 

 

 

 

 

 API roller cone bit tolerances

bit sizetolerance
ininmm
3 3/8-13 3/40-+0.03130-+0.794
14-17 1/20-+0.06250-+1.588
>=17 5/80-+0.09380-+2.381

  

 Photos show:

                                     

 

 

 

 

 

 

 packageing

 

Shipping: By sea,By air ,By train,By truck,and so on

1). By Express like TNT, DHL, UPS, Fedex, Aramex, suitable for small bits total weight less than 45kg

2). By Air, suitable for urgent orders, total weight exceed 45kg

3). By ship, suitable for large quantity, will take more shipping time

 

 

 

Research and Development

 

Bit design system

 

The bit design system with self-owned intellectual property rights can provide the bit design plalform based on the network database,promote share and accumulation of the relevant knowledge about product design,accelerate the speed of design and improve the design and improve the design quality to shorten product development period.

 

Bit performance simulation system

 

The bit performance simulation system is based on the principle between drill bit and rock,conducting computational experiment and analysis of the bit performance.With the help of this system,designer can simulate the process of rock-breaking and drilling,forecast the bit performance,quickly and comprehensively analyze the bit design ,optimize the design scheme and reduce the developing time according to formation property and drilling requirement within less time.It can partially substitute bit lab tes and rig test.

 

Mold development system

 

With the mold developing system based on 3D software Pro/E,we can carry out 3D solid modeling,NC program generation and cutter contrail simulation.Then these data will be sent to the machining center through numerical control system to realize the fast mold processing.

 

Material analisis

 

To control the quality of materials,there is a most rigid way.Direct-reading spectrometer analazes the chemical composition of materials,nondestructive testing(NDT) monitors the quality flaw,might be happened during the process of machining,metallographic analysis control the inner structure in the heat treatment.All these steps increase the stability and reliability of bit performance.

The orgnization:

The certification:

 

 
 

 

Our Services

 

How to choose the type:

 

shallow well, mainly consider the drilling speed and preventing the mud pack.

deep well,mainly consider the bit footage

When out of the well the outer cutter is broken heavily, should be selected with gage bit

In the ease of deviated section should use small and short cutter bit

In the selection of insert button bit, should use the wedge-shaped cutter

Diamond limestone, appropriate uses double bevel gear, projectile shape tooth bit

Shale more or drilling fluid density is larger, should be selected with a larger amount of slip drill

The formation of limestone, sandstone, should choose smaller slip bit

In drilling hard and high abrasive stratum, appropriate uses ball tooth, double cone tooth head.

 

Preparation before drilling:

 

1)Inspect previous bit for body damage,lost cutters or inserts,etc.Make sure no hard objects exist in bottomhole such as teeth,tungsten carbide and steel pieces clean the bottom if necessary.

 

2)Handle the bit with care.Place the bit on wooden pad or rubber mat.

 

3)Check the cutting elements for damage ,inside of bit for any other thing and ensure that nozzle O-ring are in place.Install nozzles properly as the requirement.

 

FAQ

  

 1. How to order the products?
Answer:
Send the inquiry with detail item description or with Model number.
If there is no packing demand we take it as sea-way packing.
If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.  http://hengjibit.en.alibaba.com/

2. About delivery time?
Answer :
The delivery time depend on quantity of order. Usually shipped by sea, small order or urgent order we can send you by air after received your agreement.

3.Can I expect a quality products?
Answer :
Yes. All our activities are accredited to ISO 9001:2008 , both in products and services, at the same time, mature production technology ensuring the quality satisfy international request.

4.Trade Terms:

 payment:T/T, L/C. paypal.30%deposits,70%balance before delivering.

If you have any questions ,pl tell me ,it is my pleasure to reply you.