7 7/8 Inch IADC137 Milled Tooth Bit for Well Drilling

• Customization: Available
• Customized: Customized
• Standard: API
• Length: Stub-length
• Type: Core Drill Bit
• Material: High Carbon Steel
• Usage: Well Drilling
• Delivery Time: 10 Days
• Shipping Term: by Air by Sea
• Weight: 20kg
• Tooth: 127
• Transport Package: Wooden Box
• Specification: 140*140*200
• Trademark: tianrun
• Origin: China
• HS Code: 82071910
• Package Size: 100.00cm * 100.00cm * 200.00cm
• Package Gross Weight: 45.000kg

Product Description

 

Product Parameters

 

 

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: The upper limits of WOB and RPM in above table should not be used simultaneously

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our factory mainly produce all kinds of tricone bit ,tungsten carbide bit ,PDC bit, drilling tool ,we can do OEM as customer's requirement ,and we have own brand ,we also attend to fair every year ,our product is sales all over the world , Hope make cooperation with you .



Hejian TianRun Manufacture Co., Ltd We are the real manufacturer of 1. tricone bits, PDC bits, downhole reamers for oil well drilling and water well drilling; 2. pilot bits/single cutters and reammers for Horizontal Drilling projects; 3.Singles cutters for core barrel and auger bits for piling foundation.Hejian Tianrun Machinery  Co., Ltd We are the real manufacturer of 1. tricone bits, PDC bits, downhole reamers for oil well drilling and water well drilling; 2. pilot bits/single cutters and reammers for Horizontal Drilling projects; 3.Singles cutters for core barrel and auger bits for piling foundation.

Company Competitive Power:

1.the most professional and experienced senior engineers in this field

   guarantee high quality products.

2.MANUFACTURER position ensures competitive price.

3.Sincere salesmen are our business basis.

4.Different sizes and dimensions are available

5.A certain number of bulk stock ensures fast delivery

6.Best after-sales service 

 

Welcome to inquiry and visit our factory

FAQ

Information you may want to know before ordering:

1. Payment method: T/T (Wire Transfer) sor Western Union or L/C at sight.
2. Processing time of order Depending on the order quantity, it usually takes 15 days for production. If we have the stock you requested, it is only 2 or 3 days.
3. Shipping method Sample order: We recommend express delivery, such as DHL/UPS/TNT/FEDEX or air freight. Bulk order: We recommend air or sea freight.
4. Quality control We have our own experienced quality control.
Each order will be strictly inspected and tested before shipment.
5. After-sales service:
1. Our sales team will answer your questions within 24 hours (except holidays).
2. Technical support will be available at any time.
3. Once the failure caused by the quality of our products is confirmed, it will be replaced free of charge.
6. Are you a manufacturing company or a trading company?
We are a professional manufacturer.
7. Do you have a quality control system?
Yes, we check each production process and test the pressure of each tool to ensure that there is no problem.
8. How to  buy products from you?
Very easy! Please leave me a message and tell me your requirements, let me know you are interested in our products. Will get the details with you soon.
9. Can you tell me your size and specifications?
1. Give me your drawings and detail requirements.
2. After you check our brochure, please give me the product number.
3. Don't forget to tell me the quantity, it is very important.
4. Tell me your size and specifications.
. Your destination port.