ENG 17-1/2 Inch PDC Drill Bit For Sanstone

Diamond PDC Drill Bit 17-1/2 Inch 7 Blades API Bit Of Rock Drill Tool

1 . Descriptions:

PDC (Polycrystalline Diamond Compact/Composite) drill bits are highly efficient tools utilized for drilling through uniform sedimentary rock formations like shale, sandstone, dolomite, limestone, and more. These drill bits employ a shearing, scraping, or shaving action to effectively penetrate the rock formations.

Renowned for their exceptional rigidity, PDC bits stand out among other diamond tool materials. They are manufactured by combining layers of polycrystalline diamond (synthetic diamond) with a carbide substrate under high temperature and pressure conditions. This process ensures their durability and reliability in demanding drilling applications.

According to the International Association of Drilling Contractors (IADC), the Fixed-cutter bit classification composed of four characters that designate:

• PDC Bit Body material
• PDC Bit Cutter density
• PDC Bit Cutter size or type
• PDC Bit Profile

All of our PDC Drill bits are fit for API standard and used in the drilling Industry.

The PDC drill bits size 3~22inch with 3~9Blades are available. And different classification cutter are optional according to your budget .

2. Specification:

3 . PDC Bit of profile

4 . PDC Drill Bit Cutters

Polycrystalline Diamond Composite (PDC) cutters are the main point of contact for a drill bit. PDC drill bits remove the rock mainly by shearing.

The PDC cutters are exposed to a lot of heating and cooling down the well, a very challenging environment.

PDC cutters that have lower thermal degradation and more thermal stability generally achieve higher ROP and increased wear resistance. So, optimizing the cutter is important.

Accorrding to the Api ,the cutter size are as below :

• 1 indicates PDC cutters > 24 mm in diameter.
• 2 represents cutters from 14 to 24 mm in diameter.
• 3 indicates PDC cutters < 14 but > 8 mm. 4 is used for cutters < 8 mm.

5. PDC Drill Bit Nozzles

Drill bit nozzles help clear the cutting area and cool the Polycrystalline Diamond Composite (PDC) cutters.

Effective placement of these nozzles along with the angle they are set at plays a critical role on how efficient the drill bit performs.

Fluid channels also complement nozzle placement to improve the clearing of cuttings.

6. Steel Body PDC Bits

Steel body of PDC Bit is the opposite of matrix body. It can of withstanding high impact loads, but is softer and lacks protective features. The strength and ductility of steel give steel-bit bodies high impact resistance. Steel bodies are considerably stronger than matrix bodies.

A beneficial feature of steel bits is that they can easily be rebuilt a number of times because worn or damaged cutters can be replaced rather easily. This is a particular advantage for operators in low-cost drilling environments.

Polycrystalline diamond compact (PDC) drill bits are different than roller cones in that they are one piece bodies with no moving parts. The fixed-cutters shred the rock, so the bit is able to operate with higher rotation speeds more efficiently in consolidated formations.

7. Why Choose Our PDC Drill Bits

1. Strict API & IADC Compliance

   All products are manufactured following API standards and IADC classification criteria, with stable quality and full compatibility for mainstream drilling equipment worldwide.

2. Excellent Drilling Performance

   Adopting high-quality thermally stable PDC cutters, our bits deliver high ROP, strong wear resistance and reliable performance in various sedimentary rock formations. The optimized nozzle layout and fluid channels ensure efficient cuttings removal and cutter cooling.

3. Durable Steel Body Design

   Our steel body PDC bits possess superior impact resistance and structural strength. Easy cutter replacement enables repeated repair and reuse, effectively lowering your long-term drilling investment.

4. Rich Product Range & Flexible Selection

   We supply PDC bits from 3" to 22" with 3–9 blades. Multiple cutter grades and configurations are optional to fit different projects and budget plans.

5. Professional Customization Service

   We support personalized customization on thread connections, dimensions and technical parameters. We can provide reference drawings and technical documents, and tailor products to your on-site working demands.

6. Reliable Technical Support

   FAQ

   Q1: What rock formations are your 17-1/2" 7-blade PDC bits suitable for?

   A: Our PDC bits work excellently for soft to medium uniform sedimentary rocks, including shale, sandstone, dolomite and limestone. They break rock via shearing and scraping for high drilling efficiency.

   Q2: What standard do your PDC bits comply with?

   A: All our PDC drill bits are strictly manufactured in accordance with API standards and follow IADC fixed-cutter bit classification rules.

   Q3: What sizes and blade options do you offer?

   A: We provide PDC bits ranging from 3 inch to 22 inch, with 3 to 9 blades for selection. Different cutter grades are also available to match different budget demands.

   Q4: What are the advantages of steel body PDC bits?

   A: Steel body features outstanding impact resistance and high structural strength. It can bear heavy impact loads, and worn cutters can be replaced easily, so the bit can be repaired and reused multiple times to cut operating costs.

   Q5: How do PDC cutters affect drilling performance?

   A: PDC cutters are the core working part of the bit. Cutters with good thermal stability and low thermal degradation ensure higher ROP (rate of penetration) and better wear resistance in harsh downhole environments. We offer various cutter sizes per API regulations to meet different working conditions.

   Q6: What is the function of bit nozzles?

   A: The nozzles cooperate with internal fluid channels to flush cuttings away timely and cool down PDC cutters, which greatly guarantees stable operation and service life of the drill bit.

   Q7: Can you customize API thread connections for PDC bits?

   A: Yes. We support customized thread specifications such as 4-1/2" FH. We can adjust the connection thread and relevant parameters according to your actual drilling requirements.

   Q8: What are the operational parameters of the 17-1/2" 7-blade PDC bit?

   A: Its working range: Weight on Bit 67-200 KN, Rotary RPM 100+, Flow Rate 57-76 LPM, Make-Up Torque 46-54 KN.M.