| Description | IADC 221 Tricone bit |
| WOB (KN/mm) | 0.4-1.0 |
| RPM (r/min) | 60-100 |
| Size | from 2-26" |
| Seal type | rubber seal and metal seal |
| Formation | Suitable for medium formation with high compressive strength, such as medium soft shale, anhydrite, medium soft limestone, medium soft sandstone and soft formation with hard interlayer. |
| Application | oil & gas well drilling, geothermal drilling, HDD drilling, water well drilling and mining |
Hot sales
1. 30 years rich experience in drill bits producing. Ruishi was founded in 1990.
2. Professional R & D team, offering OEM service.
3. Premium quality and favorable price. Reduce your comprehensive drilling cost.
4. API 7-1 & ISO9001 certificated.
5. Win highly prasied from our respected clients, reach deep cooperation with loyal customers domestics and abroad.
6. First grade supplier of CNPC and CNOOC for many years.
Q1: Are you a manufacturer or a trade company?
A: We are a manufacturer, and we can help you find different kinds of products in the Chinese market to match your needs.
Q2: Can you customize drill bits for specific drilling conditions?
A:Yes, we can customize drill bits to meet specific drilling conditions and requirements, including custom sizes, shapes, and features.
Q3: What's the size range of your bits?
A: 3"-26"
Q4. How to get an exact quotation?
A: Please send us detailed information as below:
-Tricone bits(Diameter, IADC code,sealing method)
-PDC bits(Matrix or Steel body, blades quantity, cutter size, etc)
-Hole opener(Diameter, size of pilot hole, hardness of rocks, thread connection of your drill pipe, etc.)
-Roller cutters(Diameter of cones, model number, etc.)
A simple way is sending us photos .
Besides above, if possible please provide more information as below:
Drilling depth in vertical well drilling, Drilling length in HDD, hardness of rocks, Capacity of drill rigs, application(oil/gas well drilling, or water well drilling, or HDD, or foundation).
Incoterm: FOB or CIF or CFR, by plane or ship, port of destination/discharge.
The more information provided, the more exact quotation will be offered.
Q5. About lead time,payment terms, delivery ?
Ar: We always have regular models available in stock, prompt delivery is one of our advantages. Mass production depends on quantity of order.
We accept all regular payment terms including T/T,L/C etc.
We are near from Beijing airport and Tianjin seaport, transportation from our factory to Beijing or Tianjin only takes one day, fast and very economical inland charges.
Q6. Can I visit your factory online?
A. Yes, We warmly welcome you to visit our factory. Also we can show our workshop, warehouse, offices online by WeChat, Whatsapp or Skype.
