8 1/2 Inch API Oil Petroleum Water Mining Rock Well Drilling Tools Diamond Drilling Bits of Part of Oilfield Well Drilling Tools Equipment

• Customized: Customized
• Standard: API
• Length: Stub-length
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: S1675
• Type: Well Drlling
• Material: High Carbon Steel
• Usage: Well Drilling
• Color: Gold and Black
• Raw Material: Alloy, PDC
• Customize: Customized
• Blade: 7
• Priamry Cutter Size: 16
• Body: Steel Body
• Row: Double Row
• Connection: API Reg
• Special Design: Deep Blade
• Transport Package: Plywood Box, Iron Box or as Required
• Specification: 8 1/2" 12 1/4" 17 1/2"
• Trademark: Ruishi
• Origin: China, Cangzhou
• HS Code: 820719
• Production Capacity: 20000PC/Year
• Package Size: 76.00cm * 56.00cm * 56.00cm
• Package Gross Weight: 190.000kg

Product Description

 

Product Parameters

 

Bit	Specifications			Recommended Parameters
Size	Blade	Primary Cutter Size	Connetcion	Rotary Speed (rpm)	Weight On Bit (KN)	Flow rate (lps)
8 1/2"	7	16mm	4 1/2" API REG	60-250	10-100	20-36

Application: Suitable for medium hard formation with high compressive strength and abrasiveness, such as limestone, hard gypsum, dolomite and sandstone, etc.
 

Product Description

1,Deep blades design, lessens the torque, increases the footage capability and rate of penetration of the bit.
2,Additional nozzles is ensured with the hydraulic configuration of the bit, balances fluid flow, cuter cooling and erosion resistance.
3,The updrill feature drills the formation when the bit is rotated while tripping out of the hole. This reduces the risk of problems in tight holes, unstable formations or salt sections
4,Shock-proof inserts lessens the vibrations while drilling,increases the steady and life of the bit.
5,The surface of the blade is welded by wear-resistant hardfacing material, improves wear resistance and erosion resistance of the bit.

Features:
1,Deep blade and long parabolic configuration design,ensures optimal bottom hole flow pattern and anti-balling.
2,Optimize the cutting structure and places high quality cutters at different points, increases wear resistance and offensive of the bit .
3,Anti-whirl design improves ROP and enhances drilling stability.

 

Detailed Photos

Hot sales

 

 

Certifications

Company Profile

Our Advantages

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 Sinopec, CNPC and CNOOC for many years.

 

FAQ

1.Q:What kind of packing do you have?
   A:Plywood box or as your required.
2.Q:What is your price advantage?
   A:We are 100% factory directly sales,API production process guarantee,Provide OEM services for you.
3.Q: Wonder if you accept small orders?
   A: Yes, of course.
4.Q:Can you do OEM for me?
   A:We accept all OEM orders,just contact us and give me your design.
5.Q:When can I get the quotation ?
   A:We quote you ASAP after recieving your inquiry.
6.Q:Are you a manufacturer or trading company?
   A: We are professional manufacturer. 
7.Q: What kind of shippment method you provide?
   A: By sea, air press or by train and other transports.