Wholesale TCI sealed tricone roller drill bits with API and ISO certificate in stock from China factory. Bit Description: IADC: 517 - TCI journal sealed bearing bit with gauge protection for soft to medium soft formations with low compressive strength . Compressive Strength: 85 - 100 MPA 12,000 - 14,500 PSI Ground Description: Medium hard and abrasive rocks such as sandstones with streaks of quartz, hard limestone or chert, hematite ores, hard, well-compacted abrasive rock such as: sandstones with quartz binder, dolomites, quartzite shales, magma and metamorphic coarse grained rocks. Far Eastern Drilling can offer tricone drill bits in a variety of sizes (from 3 7/8” to 26”) and most of IADC Codes.
7 1/2 inches (190mm) API TCI Tricone Bits have type of rubber sealed bearing and metal sealed bearing. We suggest that we had better use metal face sealed bearing bits for rock deep well. Rocks hardness could be soft , medium and hard or very hard, hardness of one type of rocks may be also a little different, for example, limestone, sandstone, shale has soft limestone, medium limestone and hard limestone, medium sandstone and hard sandstone, etc. Choose the proper rocks drilling bits is very important before starting project. Mostly IADC517 is for drilling soft rocks and IADC637 is for drilling hardest.| Basical Specification | |
| Size of Rock Bit | 7 1/2inches |
| 190 mm | |
| Bit Type | TCI Tricone Bit |
| Thread Connection | 4 1/2 API REG PIN |
| IADC Code | IADC 517G |
| Bearing Type | Journal Sealed Bearing with Gauge Protection |
| Bearing Seal | Elastomer or Rubber/ Metal |
| Heel Protection | Available |
| Shirttail Protection | Available |
| Circulation Type | Mud Circulation |
| Drilling Condition | Rotary drilling, high temp drilling, deep drilling, motor drilling |
| Nozzles | 3 |
| Operating Parameters | |
| WOB (Weight On Bit) | 15,055-40,670 lbs |
| 67-181KN | |
| RPM(r/min) | 140~60 |
| Formation | Soft to medium formation with low compressive strength, such as mudstone, gypsum, salt, soft limestone, etc. |
1. How to get an exact quotation? Answer: Please send us detailed information as below: - Tricone bits(Diameter, IADC code) - 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.) - Core barrel(Diameter, quantity of cutters, connection, 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. 2. What is the quality control for your products? Answer: All of our production are in lines of API rules and ISO9001:2015 strictly, from signing contract , to raw materials, to each production processes, to product finish, to after-sale service, each processes and sections are in accordant with standard. 3. About lead time,payment terms, delivery ? Answer: 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 L/C, T/T, etc. We are near from Beijing airport and Tianjin(Xingang) seaport, transportation from our factory to Beijing or Tianjin only takes one day, fast and very economical inland charges. 4. What is the history of Far Eastern ? Answer: The drilling bits business was started at year 2003 only for China domestic requirement, the name Far Eastern was started from year 2009, now Far Eastern has exported to more than 35 countries and areas. 5. Do you have Referenced Letters /Recommendation Letters from old customers? Answer: Yes, we have many referenced letters/recommendation letters issued by old customers who would like to share our stories.
