12 3-4 IADC117 oil and gas tricone bit /oilfield drill bit/ hammer bit Product Description ? 1.??oli well tricone bit?? ??? ? ????? ? ?????? ????????? ???? Tungsten carbide cutter of high strength and toughness is used to ??? ?increase the impact resistanceof cutters and decrease the breakage rate. ?????Optimal cutter rows,cutter quantitty,cutter length and cutter structure ? ???? design largely?improve the drilling capability and speed. ???? Widely??used in oil exploration, mining prospecting,subterranean beat, ??????? hydrology etc. ? ? 2. Other Main Products?? ? ? ? 3. Manual of cone bit purchase ??????

Roller cone bit(IADC)	Roller cone(m/h)		Formation hardness	Formation	Rock type	Compress strength
	WEM	OBM
111/124	15-30	18-33	very soft	soft formation with sticky layerand low compressive strength	clay/slits/sands	<25MPa
116/137 437	9-15	18-33	soft	soft formation with low compressive strength and high drill ability	claystone/marl/lignite sangstone/tuff	25-50MPa
126/139 517/527	4.5-9	6-12	medium soft	soft to medium formation with low compressiv estrength and small abrasive layers	claystone/marl/lignite/tuff sangstone/silts/anhydrites	50-75MPa
211/217 517/537	2.5-6	3-6	medium	medium to hard formation with high compressive strength and small abrasive layers	mudstone/limestone anhydrites sandstone(calcareous)	75-100MPa
211/236 537/617	1.5-2.5	1.5-3	medium hard	hard and dence formation with very high compressive strength but non abrasive	limestone/ anhydrites dolomite	100-120MPa
311/347 627/637	1-1.5	1-1.5	hard	hard and dence formation with very high compressive strength and some abrasive layers	shale(calcareous)/sandstone (siliceous)/siltstone	100-200MPa
637/737/837	1	1	very hard	extremely hard and abrasive formation	quartzite/lgneous/rock	>200MPa

? ?? 4. Packing Way ? ????? Recommended Products ? Packaging & Shipping

Delivery Time	within 3 workdays after receiving the full payment
Payment Terms	T/T, L/C
Packaging	Plywood case or customized design
Shipping	DHL, UPS, FEDEX, TNT, EMS, by air, by sea, China post, any way you think is suitable

Our Services 1: Complete varieties Ruishi was establish in 1990. specialized in research and development ,manufacturing of bits. 2: The most competitive price We supply products to many trade company then Export to oversea indirectly before the day. Now we estabish our own Export Department. . Hoping that we can establish direct business relations with Foreign customers. We can give you the most competitive price because we are the source . 3:Excellent quality All process of manufacturing is in line with API and IS0 and we stand in the market . 4: Honest Operation My boss has a high regard of his Honesty and trustworthiness in the line. He tells us :Only trust makes him and the enterprise to become strong. And we will give our every customers Warranty and Guarantee For Bits and then keep our promise. 5:Perfect service Our factory has a group of experienced designers and sale engineers ,which could be servicing in drilling fieldwork in order to solve special questions at once. ? Why Choose Us? Company Information Hebei Rui Shi drill Manufacturing Co., Ltd. was founded in 1990, is the largest in North China set up the first production-scale drill manufacturer. Engaged in various drills and drilling tool design, manufacturing, sales and technical services of specialized companies. Production of products, complete 2 1/2 "-26" of various types of PDC bits, roller cone bits, non-excavation and reaming drill. A professional production equipment leading CNC machine tools, Axis, axis CNC machining centers, brazing welding machine, automatic temperature control sintering furnace. Total research and development production and sales of first-class management team, the proportion of professional and technical personnel of 40%. And Tianjin Polytechnic University, China University of Petroleum, Provincial Academy established a research partnership. Our company adhere to the concept that “Innovation, Progress and Win-win”. We are Willing to work with new and old customers sincere cooperation, strive for common development and common progress, and create a better future. ? FAQ Q:How to order the products?
A:Send the inquiry with detail item desciption or with Model number.
Q:Can I expect a quality products?
A:Yes,Allour activities are accredited to API and ISO 9001:2008.
Q:What about the fasted lead time?
A:Within 24 hours. But it depends on the quantity and types in your order.
Q:What is your terms of delivery?
A:We accept FOB,CIF etc.you can choose one which is more convenient.
? We are ready and expecting new challenges to cooperate with you ! We sincerely hope to establish a long-term relationship with you. Welcome for your inquiry.