HENGJI BIT SPEC | IADC CODE 537 | |
Diameter | 3 7/8"(98mm) | |
Tooth Type | TCI | |
Bearing Type | Elastomer sealed bearing | |
Circulation Type | Mud fluid | |
Thread Connection | 2 3/8 API REG PIN | |
Nozzle | 0 | |
Gauge Protection | Available | |
Shirttail Protection | Available | |
Operating Parameters | ||
RPM(r/min) | 120~50 | |
WOB(KN) | 0.45~1.0 | |
Formations | Soft to medium formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc. | |
Application | water well drilling,oil &gas well drilling ,HDD,exploration,geothermal well drilling,drilling projects,etc |
IADC | WOB (KN/mm) | RPM (r/min) | Applicable Formations |
114/116/117 | 0.3~0.75 | 180~60 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, etc. |
124/126/127 | 0.3~0.85 | 180~60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. |
134/135/136/137 | 0.3~0.95 | 150~60 | Soft to medium formations with low compressive strength and high drillability, such as medium soft shale, hard gypsum, medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. |
214/215/216/217 | 0.35~0.95 | 150~60 | Medium formations with high compress strength, such as medium soft shale, hard gypsum , medium soft limestone, medium soft sandstone, soft formation with harder interbed, etc. |
227 | 0.35~0.95 | 150~50 | Medium hard formations with high compressive strength, such as abrasive shale, limestone, sandstone, dolomite, hard gypsum, marble,etc |
Note: The upper limits of WOB and RPM in above table should not be used simultaneously. |
IADC | WOB (KN/mm) | RPM (r/min) | Applicable Formations |
417/437/ 447/415/435 | 0.35~0.9 | 150~70 | Very soft formations with low compressive strength and high drillability, such as clay, mudstone, chalk, gypsum, salt, soft limestone, etc. |
517/527/515 | 0.35~1.0 | 140~60 | Soft formations with low compressive strength and high drillability, such as mudstone, gypsum, salt, soft limestone, etc. |
537/547/535 | 0.45~1.0 | 120~50 | Soft to medium formations with low compressive strength, such as medium, soft shale, medium soft limestone, medium soft sandstone, medium formation with harder and abrasive interbeds, etc. |
617/615 | 0.45~1.1 | 90~50 | Medium hard formation with high compress strength, such as hard shale, limestone, sandstone, dolomite. etc |
637/635 | 0.5~1.2 | 80~40 | Hard formations with high compressive strength, such as sandstone, limestone, dolomite ,hard gypsum, marble, etc. |
Note: The upper limits of WOB and RPM in above table should not be used simultaneously. |
Popular models | |
size | IADC CODE |
4 1/2''(114.3mm) | 115 117 127 217 417 437 517 537 637 |
4 3/4''(120.7mm) | 115 117 127 217 417 437 517 537 637 |
5 7/8''(149mm) | 115 117 127 217 417 437 517 537 637 |
6''(152mm) | 115 117 127 217 417 437 517 537 637 737 |
6 1/2''(165mm) | 115 117 127 217 417 437 517 537 617 627 637 737 |
7 1/2''(190mm) | 115 117 127 217 417 437 517 537 617 627 637 737 |
7 7/8''(200mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
8 1/2''(215.9mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
8 3/4''(222.3mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
9 5/8''(244.5mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
9 7/8''(250.8mm) | 115 117 127 137 217 417 437 517 537 617 627 637 737 837 |
11 5/8''(295.3mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
12 1/4''(311.1mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
14 3/4''(374.7mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
15 1/2''(393.7mm) | 115 117 127 217 417 437 517 537 617 627 637 737 837 |
17 1/2''(444.5mm) | 115 117 127 217 237 417 437 517 537 617 637 |
20''(508mm) | 115 117 127 217 237 437 517 537 637 |
22''(558.8mm) | 115 117 127 217 437 517 537 637 |
24''(509.6mm) | 115 117 127 217 437 517 537 |
Packaging |
Wood Box Fumigation Tray if necessary Other special package can be applied according to customer's need |
Delivery |
Prepared to deliver within 1 week, if in stock Depends on order quantity, when out of stock Transportation:By sea or air |
FAQ
1. Is your company a distributor or a manufacturer?
A: Yes,We are a a professional factory of rock drilling bits in China.
2. How about your products?
A : 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.We have many high quality prducts (https://hb-bits.en.made-in-china.com/) .
3.what is the Packaging & Delivery?
A:We used high quality export carton or standard export woodern case
4.what is the time about the delivery?
A: repared to deliver within 1 week, if in stock.
Depends on order quantity, when out of stock,7-30days
Transportation:By sea or air
5. How to order the products?
A: 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.
6.What is the website about your factory?
A:Our website is: https://hb-bits.en.made-in-china.com/