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JianShi (China) Drilling Tools Co., Ltd.
4 Years
| Ask Lasest Price | |
| Brand Name : | JSBIT |
| Model Number : | 482.6mm iadc 537 TCI tricone rock drill bit |
| Certification : | API and ISO standard |
| Price : | bargain |
| Payment Terms : | Western Union, , T/T |
| Supply Ability : | 50PCS /month |
| Delivery Time : | 1 days |
JSBIT tricone bits factory offers all kinds of tricone drill bits. Tricone bits are available in new and used tricone bits , steel tooth and tungsten carbide insert, in sizes from 37/8" to 36", for use in all formations, with any bearing: seal type / air type , tricone bits apply to oil gas geothermy mining water HDD and foundation industry.
| IADC | Recommended parameters | Applicable strata | |
| WOB KN/mm | Rotating speed r/min | ||
| 116,117 | 0.35-0.8 | 150-80 | Extremely soft formations with high compressive strength and drillability, such as clay, mudstone, chalk |
| 126,127 | 0.35-0.9 | 150-70 | Soft formations with high compressive strength and drillability, such as mudstone, gypsum, salt rock, soft shale, soft limestone |
| 136,137 | 0.35-1.0 | 120-60 | Soft to medium-soft formations with high compressive strength and high drillability, such as medium-soft shale, anhydrite, medium-soft limestone, medium-soft sandstone and soft formations with hard interlayers |
| 216,217 | 0.4-1.0 | 100-60 | Soft to medium formations with compressive strength, such as soft shale, medium soft limestone, medium soft sandstone and soft formations with hard interlayers |
| 246,247 | 0.4-1.0 | 80-50 | Medium-hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite |
| 417,437,447 | 0.35-0.9 | 150-70 | Very soft formations with high compressive strength and drillability, such as clay, mudstone, chalk, gypsum, salt rock, soft shale, soft limestone |
| 517,527 | 0.35-1.0 | 140-60 | Soft formations with high compressive strength, such as mudstone, gypsum, salt rock, soft shale, soft limestone |
| 537,547 | 0.45-1.0 | 120-50 | Soft to medium formations with compressive strength, such as medium-soft shale, medium-soft limestone, medium-soft sandstone and medium formations with effective hard abrasive interlayers |
| 617,627 | 0.45-1.1 | 90-50 | Medium-hard formations with high compressive strength, such as hard shale, limestone, sandstone, dolomite |
| 637 | 0.5-1.2 | 80-40 | Hard formations with high compressive strength, such as sandstone, limestone, dolomite and anhydrite, marble |
Quality warranty:
Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.
Package:
fumigation free-wooden box and pallet for package to protect the products and avoid the damage during transportation. Also we can customize package according to your special requests
Quality warranty:
Our products are made of high quality steel and all spares parts are inspected strictly before shipping. We have quickly responses for your complaint and suggestion.
Package:
fumigation free-wooden box and pallet for package to protect the products and avoid the damage during transportation. Also we can customize package according to your special requests
Transportation:
By air, By Express or By sea according to your requests
For more information, please contact:
Email: cocoyu@jsbit.com.cn
Mobile / WhatsApp / Linkedin / Facebook / Wechat / NO.
+86 13373078300
Website:
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| Table of classification of formation hardness and bit selection | |||||
| Roller cone bit IADC code | IADC code of diamond bit | Formation description | Rock type | Compressive strength(Mpa) | ROP(m/h) |
| 111/124 | M/S112~M/S223 | Very soft:sticky soft formation with low compressive strength. | Clay Siltstone sandstone |
<25 |
>20 |
| 116/137 | M/S222~M/S323 | Soft:soft formation with low compressive strength and high drillability. | Clay rock Marl Lignite sandstone |
25~50 |
10~20 |
|
417/527 |
M/S323~M/S433 |
Medium soft:soft to medium formation with low compressive strength and steak. | Clay rock Marl Lignite Sandstone Siltstone Anhydrite Tuff |
50~75 |
5~15 |
| 517/537 | M322~M443 | Medium:medium to hard formation with high compressive strength and thin abrasive streak. | Mudstone Dark rock shale | 75~100 | 2~6 |
| 537/617 | M422~M444 |
Medium hard:hard and dense formation with high compressive strength and medium abrasiveness. | Dark rock Hard shale Anhydrite Sandstone Dolomite | 100~200 | 1.5~3 |
| IADC CODE SELECTION | |||
| IADC | WOB | RPM | Application |
| (KN/mm) | (r/min) | ||
| 111/114/115 | 0.3-0.75 | 200-80 | very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk |
| 116/117 | 0.35-0.8 | 150-80 | very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk |
| 121 | 0.3-0.85 | 200-80 | soft formations with low compressive strength and high drill ability, like mudstone, gypsum, salt, soft limestone |
| 124/125 | 180-60 | ||
| 131 | 0.3-0.95 | 180-80 | soft to medium formations with low compressive strength, like medium, soft shake, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds |
| 136/137 | 0.35-1.0 | 120-60 | |
| 211/241 | 0.3-0.95 | 180-80 | medium formations with high compressive strength, like medium, soft shake, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbeds. |
| 216/217 | 0.4-1.0 | 100-60 | |
| 246/247 | 0.4-1.0 | 80-50 | medium hard formation with high compressive strength, like hard shale, limestone, sandstone, dolomite |
| 321 | 0.4-1.0 | 150-70 | medium abrasive formations, like abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble |
| 324 | 0.4-1.0 | 120-50 | |
| 437/447/435 | 0.35-0.9 | 240-70 | very soft formations with low compressive strength and high drill ability, like clay, mudstone, chalk, gypsum, salt, soft limestone |
| 517/527/515 | 0.35-1.0 | 220-60 | soft formations with low compressive strength and high drill ability, like mudstone, gypsum, salt, soft limestone |
| 537/547/535 | 0.45-1.0 | 220-50 | soft to medium formations with low compressive strength, like medium, soft shake, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds |
| 617/615 | 0.45-1.1 | 200-50 | medium hard formation with high compressive strength, like hard shale, limestone, sandstone, dolomite |
| 637/635 | 0.5-1.1 | 180-40 | hard formation with high compressive strength, like limestone, sandstone, dolomite, hard gypsum, marble |
| Note: Above limits of WOB and RRPM should not be used simultaneously | |||
- Strong brand and manufacture factory
- Find a distributor in each country
- API&ISO standard
- Large stock and fast delviery
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