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API Insert Tri-cone Rock Drill Bit for oil well drilling

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API Insert Tri-cone Rock Drill Bit for oil well drilling

China API Insert Tri-cone Rock Drill Bit for oil well drilling supplier
API Insert Tri-cone Rock Drill Bit for oil well drilling supplier API Insert Tri-cone Rock Drill Bit for oil well drilling supplier API Insert Tri-cone Rock Drill Bit for oil well drilling supplier API Insert Tri-cone Rock Drill Bit for oil well drilling supplier API Insert Tri-cone Rock Drill Bit for oil well drilling supplier API Insert Tri-cone Rock Drill Bit for oil well drilling supplier

Large Image :  API Insert Tri-cone Rock Drill Bit for oil well drilling

Product Details:

Place of Origin: China

Payment & Shipping Terms:

Minimum Order Quantity: one set
Packaging Details: firmed plywood box or iron box
Delivery Time: 7~10days
Payment Terms: 30%downpayment by T/T and balance before delivery
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Detailed Product Description

Tri-cone Rock Drill bit

Please kindly inform us size,milling tooth or insert type,IADC Code,sealing material,quantity.

So that we will offer you accordingly.

All Drill bit with API 7-1 certificate.

Contact us now:cathyshenpeng@gmail.com

skype:cathyyuan1981

 

GD Series Tri-cone rock bits for oil well drilling

1.This series have two kinds of classification inserted bit and steel tooth.

2.Inserted bits is inserted teeth jet bit with sealed journal of oil bearing.Adopting the optimized design,the teeth placement of cone is reasonable,the tooth shape and height are designed differently in accordance with various kinds of rock formations,and gage protection is better.The bear system which is adopted copper inlaid and silver plateing improve the loading capacity and seizure resistance,and prolong the bit working life.This product is widely used for oil and natural gas field's drilling and geological exploitation.Using this product,user can gain high drilling efficiency.

3.Steel tooth bit is tri-cone bit with roller bearing for oil well drilling.The tooth surface is welded and applied with tungsten carbide powder coat.The bearing system is suitable for high rotary rate,Drilling in the adaptable rock formation,the bit can obtain high PRM,long working life,reliably working,

4.Recommended Drilling Parameters and formation of GD series tri-cone rock bits for oil well drilling

Formation Bit type Driling weight Rotary speed Remark
    KN/mm r/m  
Very soft,such as soft marl,unconsolidated sand-stone,salt,etc. 437 0.4-0.7 200-60 Insert Bit
soft,such as clay,marl,unconsolidated sand-stone,salt,etc 517 0.5-0.85 200-60
Medium soft such as shale,marl,sandstone,soft limestone,etc 537 0.5-0.9 180-40
Very soft such as soft marl,clay,salt,etc 111 0.4-0.7 180-90 Milled Tooth Bit
soft,such as clay,marl,sandstone,salt,etc 121 0.45-0.75 180-90
soft,such as clay,marl,sandstone,salt,etc 127 0.45-0.75 180-90
Medium soft such as shale,marl ,sandstone,soft limestone,etc 131 0.5-0.75 120-60
very soft,such as soft marl,clay,soft sandstone,salt,etc 114 0.4-0.7 120-45
soft such as clay,soft shale,marl,salt,etc, 124 0.5-0.85

120-45

Note:The upper limits of drilling weight and rotary speed recommended in above table could not be used at the same time. 

5.GD Series insert tri-cone rock bits for oil well drilling

IADC Bit size Std.API pin shank size(in)
  inches mm
537 3 3/8 85.7 1 57/64(Non-stds)
517 3 7/8 98.4 2 3/8 REG
537 3 7/8 98.4 2 3/8 REG
537 4 5/8 117.5 3 1/2REG
537 5 5/8 142.9 3 1/2REG
537 5 7/8 149.2 3 1/2REG
517 6 1/4 159.3 3 1/2REG
517 7 5/8 193.7 4 1/2REG
537 7 5/8 193.7 4 1/2REG
517 7 7/8 200 4 1/2REG
537 7 7/8 200 4 1/2REG
437 8 1/2 215.9 4 1/2REG
447 8 1/2 215.9 4 1/2REG
447 8 1/2 215.9 4 1/2REG
517 8 1/2 215.9 4 1/2REG
517 8 1/2 215.9 7 1/2REG
537 8 1/2 215.9 4 1/2REG
537 8 1/2 215.9 4 1/2REG
437 8 1/2 215.9 4 1/2REG

6. GD Series millingt tri-cone rock bits for oil well drilling

IADC Bit size Std.API pin shank size(in)
  inches mm
26 3 5/8 92.1 2 3/8REG
126 3 3/4 95.3 2 3/8REG
131 3 7/8 98.4 2 3/8REG
126 4 1/2 114.3 2 3/8REG
126 4 5/8 117.5 2 3/8REG
121 8 1/2 215.9 4 1/2REG
114 8 1/2 215.9 4 1/2REG
124 8 1/2 215.9 4 1/2REG
124 8 1/2 215.9 4 1/2REG
127 8 1/2 215.9 4 1/2REG
127 9 1/2 241.3 6 5/8REG
121 9 5/8 244.5 6 5/8REG
124 9 5/8 244.5 6 5/8REG
127 9 5/8 244.5 6 5/8REG
127 9 7/8 250.8 6 5/8REG
121 12 1/4 311.2 6 5/8REG
124 12 1/4 311.2 6 5/8REG
126 12 1/4 311.2 6 5/8REG
127 12 1/4 311.2 6 5/8REG
127 13 3/4 349.3 6 5/8REG
127 13 3/4 349.3 6 5/8REG
127 15 381 7 5/8REG
127 15 381 7 5/8REG
121 17 1/2 444.5 7 5/8REG
124 17 1/2 444.5 7 5/8REG
125 9 5/8 444.5 6 5/8REG
127 17 1/2 444.5 7 5/8REG
111 26 660.4

7 5/8REG

 Note:The type numbers which are not shown in the table can be customized

More informations,please kindly contact us immediately!

Ms.Cathy Yuan

Email:cathyshenpeng@gmail.com

www.gardeneroil.com

Contact Details
Dongying Gardener Oilfield Equipment Co.,ltd.

Contact Person: Mrs. Cathy Yuan

Tel: 0086 159 6388 1160

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