17-1-2-444-5mm-pdc-bit

Basic Specification: Matrix/Steel Body PDC Drill Bit for Oil and Gas Well Drilling

The Matrix/Steel Body PDC Drill Bit is an advanced tool designed for high-performance drilling in oil and gas wells. Known for its robust structure, cutting-edge materials, and optimized design, this bit is engineered to handle soft to medium rock formations with precision and efficiency. It is ideally suited for drilling applications where stability, longevity, and consistent performance are essential.

Product Overview

• Name: Matrix/Steel Body PDC Drill Bit for Oil and Gas Well Drilling

• Diameter: 17 1/2 inches

• Blade Number: 6

• Body Type: Steel Body

• Number of Nozzles: 6

• Primary Cutter Size: 1913

• Connection Thread: 7 5/8 API Reg Pin

The 17 1/2-inch diameter is widely used in the oil and gas industry for intermediate and surface sections of the wellbore. The six-blade design ensures balanced cutting action, improved durability, and better hole cleaning. With six hydraulic nozzles, the bit maintains efficient mud circulation to cool the cutters and remove cuttings, reducing the risk of balling and improving the rate of penetration (ROP).

Cutter and Body Design

The primary cutter size of 1913 refers to Polycrystalline Diamond Compact (PDC) cutters with a diameter of 19 mm and a height of 13 mm. These cutters are well-known for their extreme hardness, thermal stability, and resistance to wear, making them ideal for high-speed drilling in soft to medium formations. The steel body construction provides superior toughness and repairability compared to matrix body bits. Steel body bits are preferred in applications where resilience and the potential for refurbishment are key operational considerations.

Operating Parameters

• Rotations Per Minute (RPM): 60–260

• Weight on Bit (WOB): 30–120 kN/mm

• Maximum WOB: 150 kN

• Flow Rate: 26–56 liters per second

These operational limits provide flexibility for various downhole conditions. A moderate RPM and controlled WOB ensure the bit performs well without compromising cutter integrity or body strength. The wide flow rate range supports efficient hole cleaning and temperature control during continuous drilling operations.

Suitable Formations

This PDC drill bit is specifically designed for formations with low compressive strength that are homogeneous and laminated in nature. It performs effectively in:

• Clay – Soft, sticky formations requiring good cleaning action

• Marl – A mixture of clay and calcium carbonate

• Lignite – A soft form of coal that can be abrasive and sticky

• Sandstone – Especially in its softer or laminated forms

The bit’s configuration allows it to deliver a high rate of penetration while minimizing wear, making it ideal for drilling in stratified, sedimentary formations that do not impose excessive mechanical resistance.

Performance Advantages

1. 1. Durability: The steel body and large cutters ensure the bit can endure prolonged use without rapid deterioration.

   2. Cutting Efficiency: Optimally arranged blades and cutters enhance the cutting structure, promoting efficient rock fragmentation.

   3. Hydraulics: Six nozzles offer superior cleaning, cooling, and removal of formation debris, which reduces cutter balling.

Versatility: Its ability to operate across a broad RPM and WOB range allows adaptation to different drilling strategies and rigs.

Application Summary

The Matrix/Steel Body PDC Drill Bit (17 1/2″, 6-Blade) is engineered for efficient and reliable drilling in soft to moderately hard rock formations. Its steel construction, optimized hydraulic design, and large cutter size combine to deliver a balance of strength and cutting performance. This bit is a go-to choice for oil and gas operators looking to optimize drilling performance, extend bit life, and minimize non-productive time in formations such as clay, marl, lignite, and soft sandstone. Proper use within the specified parameters ensures the bit delivers maximum effectiveness and longevity in the field.