6" S323 4-Blade Anti-Balling PDC Bit

6" S323 4-Blade Anti-Balling PDC Bit :

Product Specification

·    Bit Size: 6"

·    IADC Code: S323

·    Blades: 4

·    Cutter Size: φ13 mm; φ16 mm

·    Cutter Quantity: φ16×19; φ13×19

·    Nozzle Quantity: 6

·    Gauge Length: 45 mm

·    Connection: 3-1/2” API REG

·    Net / Gross Weight: 21 / 31 kg

Product Description

Bit balling in clay/shale drilling severely limits ROP and causes swabbing during tripping. The 6" S323 4-blade anti-balling PDC bit (S323-4AB) solves this with optimized JFA, dual-row cutters, dynamic flow simulation, and advanced GRT-series cutters — delivering high ROP without sacrificing durability.

The Problem

-    The Challenge: Bit Balling in Clay/Shale Formations

In clay and shale drilling environments, bit balling is a critical issue that severely limits PDC bit performance:

·    Lower ROP – cutters become clogged with sticky clay

·    Swabbing during tripping – increased drag and stuck pipe risk

·    Reduced drilling efficiency – operators often lower RPM & WOB and increase SPM, sacrificing performance

Conventional solutions force operators to compromise between ROP and bit life. The S323-4AB changes that.

Features

·    4-Blade JFA (Junk Flowed Area) Optimization: Only 4 blades maximize the junk flowed area, allowing efficient cuttings evacuation and preventing balling.

·    Dual Row Cutters – Without Sacrificing Aggressiveness: With only 4 blades, the dual row cutter layout maintains aggressiveness while achieving desired ROP and durability — free from bit balling.

·    Multi-Optimized Force Balance: Optimized cutting structure increases bit stability and cutting efficiency during drilling.

·    Dynamic Flow Simulation Technology: Used for hydraulic design — optimizing nozzle quantity and placement to ensure optimum bottom hole flow patterns and anti-balling performance.

·    Advanced Hardfacing Material: Enhanced abrasion resistance and erosion resistance for longer bit life.

·    Advanced GRT-Series Cutters: Premium GRT-series cutters endure frictional heat generated during drilling. Improved abrasion resistance maintains a sharp drilling edge for higher ROP.