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

Dongying Gardener Oilfield Equipment Co.,ltd.
Dongying Gardener Oilfield Equipment Co.,ltd.
City: Dongying
Province/State: Shandong
Country/Region: China
Tel: 86--1596388-1160
Contact Person:
Mrs Cathy Yuan

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

Place of Origin : China
MOQ : 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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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

FormationBit typeDriling weightRotary speedRemark
KN/mmr/m
Very soft,such as soft marl,unconsolidated sand-stone,salt,etc.4370.4-0.7200-60Insert Bit
soft,such as clay,marl,unconsolidated sand-stone,salt,etc5170.5-0.85200-60
Medium soft such as shale,marl,sandstone,soft limestone,etc5370.5-0.9180-40
Very soft such as soft marl,clay,salt,etc1110.4-0.7180-90Milled Tooth Bit
soft,such as clay,marl,sandstone,salt,etc1210.45-0.75180-90
soft,such as clay,marl,sandstone,salt,etc1270.45-0.75180-90
Medium soft such as shale,marl ,sandstone,soft limestone,etc1310.5-0.75120-60
very soft,such as soft marl,clay,soft sandstone,salt,etc1140.4-0.7120-45
soft such as clay,soft shale,marl,salt,etc,1240.5-0.85

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

IADCBit sizeStd.API pin shank size(in)
inchesmm
5373 3/885.71 57/64(Non-stds)
5173 7/898.42 3/8 REG
5373 7/898.42 3/8 REG
5374 5/8117.53 1/2REG
5375 5/8142.93 1/2REG
5375 7/8149.23 1/2REG
5176 1/4159.33 1/2REG
5177 5/8193.74 1/2REG
5377 5/8193.74 1/2REG
5177 7/82004 1/2REG
5377 7/82004 1/2REG
4378 1/2215.94 1/2REG
4478 1/2215.94 1/2REG
4478 1/2215.94 1/2REG
5178 1/2215.94 1/2REG
5178 1/2215.97 1/2REG
5378 1/2215.94 1/2REG
5378 1/2215.94 1/2REG
4378 1/2215.94 1/2REG

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

IADCBit sizeStd.API pin shank size(in)
inchesmm
263 5/892.12 3/8REG
1263 3/495.32 3/8REG
1313 7/898.42 3/8REG
1264 1/2114.32 3/8REG
1264 5/8117.52 3/8REG
1218 1/2215.94 1/2REG
1148 1/2215.94 1/2REG
1248 1/2215.94 1/2REG
1248 1/2215.94 1/2REG
1278 1/2215.94 1/2REG
1279 1/2241.36 5/8REG
1219 5/8244.56 5/8REG
1249 5/8244.56 5/8REG
1279 5/8244.56 5/8REG
1279 7/8250.86 5/8REG
12112 1/4311.26 5/8REG
12412 1/4311.26 5/8REG
12612 1/4311.26 5/8REG
12712 1/4311.26 5/8REG
12713 3/4349.36 5/8REG
12713 3/4349.36 5/8REG
127153817 5/8REG
127153817 5/8REG
12117 1/2444.57 5/8REG
12417 1/2444.57 5/8REG
1259 5/8444.56 5/8REG
12717 1/2444.57 5/8REG
11126660.4

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


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