Marsh Funnel with Measuring Cup – Essential Mud Testing Equipment

Introduction

In the oil and gas industry, the performance of drilling operations relies heavily on the accuracy of drilling fluid testing. One of the most trusted tools for evaluating viscosity is the Marsh Funnel with Measuring Cup. Known for its simplicity, reliability, and compliance with international oilfield standards, this instrument is indispensable for mud engineers and laboratories.
At Petropath Fluids India Limited, we provide premium Marsh Funnels with Measuring Cups designed to meet API RP 13B-1 and 13B-2 standards. Each unit is engineered to withstand demanding field conditions while delivering precise results, helping operators maintain drilling efficiency and safety.
Marsh Funnel with Measuring Cup

Key Features of the Marsh Funnel with Measuring Cup

  • Standardized Design – Calibrated to API specifications, ensuring consistent mud viscosity measurement.

  • Durable Construction – Available in high-strength plastic or stainless steel for extended field life.

  • Graduated Measuring Cup – Comes with a 1,000 ml measuring cup, clearly marked for accurate fluid volume measurement.

  • User-Friendly – Requires minimal training; ideal for quick viscosity checks in the field.

  • Portable and Lightweight – Compact build makes it easy to transport and use on drilling rigs.

  • Low Maintenance – Simple structure requires only routine cleaning.

Technical Specifications

  • Funnel Volume: 1,500 ml (approx.)

  • Orifice Diameter: 4.76 mm (3/16″)

  • Calibration Standard: 1 quart (946 ml) of water at 21°C flows in 26 ± 0.5 seconds

  • Measuring Cup Capacity: 1,000 ml (graduated)

  • Material: Plastic / Stainless Steel

  • Length: 12″–15″

  • Weight: < 500 g (funnel only)

  • Compliance: API RP 13B-1 & 13B-2

Benefits for Drilling Operations

  • Quick Mud Viscosity Measurement – Saves rig time with results in under a minute.

  • Enhanced Drilling Efficiency – Accurate viscosity control improves hole cleaning and wellbore stability.

  • Cost-Effective Testing – Affordable yet highly reliable equipment.

  • Industry Compliance – Meets API standards for drilling fluid testing.

  • Field & Lab Applications – Equally useful for oilfield rigs and training institutes.

Applications

  • On-Rig Testing – Monitor mud viscosity in real time during drilling.

  • Mud Laboratories – Perform routine analysis with precision instruments.

  • Training Institutes – Widely used for petroleum engineering education.

  • Quality Control – Ensure drilling fluids meet required performance standards before deployment.

Frequently Asked Questions

What is the calibration value for the Marsh Funnel?
At 70°F (21°C), 946 ml of fresh water flows through in 26 ± 0.5 seconds.
Can this equipment measure properties other than viscosity?
No, it is designed specifically for apparent viscosity. Other tools are required for density, gel strength, or filtration.
Is it suitable for both Oil-Based Mud (OBM) and Water-Based Mud (WBM)?
Yes, the Marsh Funnel is compatible with both systems.
How should it be cleaned?
Rinse thoroughly with clean water after each test to avoid mud residue buildup.

Why Choose Petropath India?

  • Trusted Quality – Every Marsh Funnel with Measuring Cup is API-compliant.

  • Industry Expertise – Years of proven service in supplying drilling fluid testing equipment.

  • Customer Support – Technical assistance and after-sales guidance.

  • Competitive Pricing – High-quality products at affordable costs.

Conclusion

The Marsh Funnel with Measuring Cup remains a cornerstone of mud viscosity measurement in oilfield operations. By choosing Petropath Fluids India Limited, operators and laboratories gain access to durable, accurate, and API-certified drilling fluid testing equipment that ensures drilling efficiency, wellbore stability, and operational safety.

✅ Final Call to Action:

Looking for a reliable Marsh Funnel with Measuring Cup for your Essential Mud Testing Equipment? Choose Petropath – where quality meets performance.

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