8 1/2" API Certificated Manufacturer Poly Crystalline Diamond Compact PDC Core Bit Diamond Bits for Drill out Cylindrical Core Samples

• Customization: Available
• Type: Core Drill
• Usage: Well Drilling
• Model NO.: 8-3CBS
• Certification: API
• Color: Gold Blue and Black
• Raw Material: Alloy, PDC
• Condition: New
• Number of Blade: OEM
• Transport Package: Plywood 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

Product Description

Product Description

1,Circular-arc shaped crown design,placed with high quality cutters,significantly increases stability of the bit.
2,Inner and outer gauges are protected by natural diamond,which helps several-fold increasing wear resistance and stability of the bit.
3,Optimize the cutting structure,ensure stability of the bit during.
4,Optimize the waterway design, benefits for the bit cleaning and cooling.
5,Suitable for coring in medium to medium hard abrasive formation.High rate of core recovery.
 

Bit	Specifications			Parameters
Size	Primary Cutter Size	TFA (in2)	Connection	Rotary Speed (rpm)	Weight on Bit (KN)	Flow Rate (lps)
8 1/2"	6 PCS/CT	0.20-1.50	8-3 CBS 8-4 CBS	40-80	20-100	10-25

Detailed Photos

Certifications

Company Profile

Hebei Ruishi Bits Manufacturing Co.,Ltd was established in 1990. It is engaged in diamond drill bit and drilling tool research and development, design and manufacture, sales and service of specialized companies. The company is located in Renqiu of Jizhong Plain, which is rich in oil resources. Renqiu is also the location of Huabei Oilfield.

The company has a number of experts experienced in diamond bit design of drilling technology, and is equipped with 5-axis machining center, NC lathes, NC sintering furnace, Ring sewing machine and other advanced production equipment. We are using domestic and foreign advanced professional design software, and doing continuous technological innovation and sustainable development. Ruishi owns full production lines of PDC bit and core bit, which is covering all sizes of the 2"--26" bit.
Ruishi has been promoting the comprehensive quality management and focus on the customer's demand. In order to ensure the stability of quality and the excellent performance of the bit, we strictly comply with the ISO9001 quality management system and ISO14001 environmental management system and OHSAS18001 Occupational health and safety management system in the enterprise operation, and strictly implement API Spec7-1 quality management standards in the process of production.
As the first grade supplier for CNPC and CNOOC, Ruishi's products are widely used in the Tarim, Tuha, Changqing, Dagang, Sichuan, Zhongyuan,Jidong, Huabei and other major oil fields. Ruishi has also established long-term strategic partnership with these oil fields. We have been highly recognized by the stability of excellent product quality and timely and thoughtful service. The company's products have been widely exported to North America, the Middle East, Russia and other countries and regions.
"Excellent Quality, Honest and Faithful,Innovation and Improvement,Satisfied Service". Hebei Ruishi Bits Manufacturing Co.,Ltd is willing to cooperate with customers honestly and obtain the result of mutual win.

 

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 CNPC and CNOOC for many years.

FAQ

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.