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Multiple Activation Bypass Sub

The Multiple Activation Bypass Sub, also called Multiple Open/Close Bypass sub, is a simple, reliable tool that can assist you in reducing drilling costs associated with different types of hole conditions. Originally developed to increase circulation rates for enhanced hole cleaning, we have evolved to benefit many applications in the drilling, completion, and workover phases of a well. It can be widely used for multiple circulation plugging, and services like workover, completion, etc.

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Detailed Description

Product Overview

The Multiple Activation Bypass Sub, also called Multiple Open/Close Bypass sub is a structurally simple yet highly reliable tool engineered for complex well conditions. Designed to enhance hole cleaning by increasing circulation rates , its applications have expanded to drilling, completion, and workover operations. Its intelligent internal structure enables multifunctional capabilities while maintaining stable performance in harsh environments.

Applications

1. Multiple Circulation Plugging: Boosts circulation rates to ensure uniform distribution of plugging materials, improving sealing efficacy .

2. Workover Operations: Optimizes hole cleaning, reduces downhole tool wear, and enhances efficiency. Compatible with various drilling fluids (water-/oil-/synthetic-based) .

3. Completion Operations: Facilitates installation of tools like ball-actuated hole openers for precise wellbore enlargement .

4. Ultra-Deep Well Drilling: Withstands high-temperature/high-pressure (HPHT) environments (>4,500m depth), ensuring stability in extreme conditions .

5. Extended Service Cycles: Reduces maintenance frequency and costs during prolonged operations .

Product Features

1. High temperature and high pressure Stability. Maintains reliability under temperatures ≤177°C and pressures ≤15,000 PSI, critical for ultra-deep wells.

2. Smart Ball Catch Basket. Allows smooth passage of cables/balls, enabling multifunctional use (e.g., integrating ball-actuated hole openers below the sub) .

3. Ultra-Deep Well & Extended Service Compatibility. Robust construction ensures durability in wells >4,500m and extended operations, minimizing downtime .

4. Open/Close Status Indicator. Real-time monitoring via mechanical/electronic sensors enhances operational safety .

5. Multi-Mud System Compatibility. Supports water-, oil-, and synthetic-based muds , adapting to diverse operational needs .

6. H₂S Resistance. Special materials (e.g., NACE-compliant alloys) and seals withstand corrosive H₂S environments, extending service life .

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