Mud Logger Sensor Mount

Name: Mud Logger Sensor Mount | Wellsite Data Sensor Bracket - Frigate
Price: 249.00 USD
Availability: InStock

Mud Logger Sensor Mounts are engineered to pflegen dimensional stability and mechanical rigidity when subjected to high-frequency vibrations and axial-torsional loads generated during rotary drilling. The mounting structure resists micro-shifts that could otherwise introduce data drift or sensor misalignment. Finite Element Analysis (FEA) validation and material fatigue simulation ensure each mount meets the durability threshold for continuous long-hole or extended-reach drilling operations.

Material Grade & Specification

AISI 304 Stainless Steel, API Spec 16D, ASTM A36 (if carbon steel), ASTM B16 (if needed)

Dimensional Tolerances

±0.005 inches (±0.13 mm) for critical dimensions, ±0.002 inches (±0.05 mm) for mounting holes

Surface Finish Requirement

Ra ≤ 1.6 µm (63 µin) for sealing surfaces, Ra ≤ 3.2 µm (125 µin) for non-critical areas

Heat Treatment Specification

Annealing or Solution Treatment (if stainless steel) to improve corrosion resistance, or Hardening to 28-32 HRC

Concentricity Requirement

≤ 0.001 inches (0.025 mm) for bore to OD concentricity for precise sensor mounting

Product Description

Accurate sensor placement is fundamental to maintaining signal integrity in mud logging systems. These mounts are geometrically calibrated to align sensors within a controlled tolerance envelope, minimizing angular deviation and spatial offset. Positional repeatability is ensured through dowel-based indexing features and interference-fit tolerances, reducing recalibration intervals and ensuring consistent geological data acquisition.

Mounting Hole Specifications

Hole diameter tolerance – ±0.002 inches (±0.05 mm), spacing tolerance – ±0.005 inches (±0.13 mm)

Hardness Requirement

28-32 HRC (after heat treatment for applicable materials)

Non-Destructive Testing (NDT) Requirement

Ultrasonic Testing (UT), Magnetic Particle Testing (MT), Dye Penetrant Testing (DPT) as per API standards

Coating/Plating Requirement

Passivation (for stainless steel) or Zinc Plating/Phosphate Coating (if corrosion protection is needed)

Certification Standard

API Spec 16D, ISO 9001:2015, PED (Pressure Equipment Directive), ATEX (if required)

Technical Advantages

Sensor performance degradation caused by harmonic distortion is a known issue in high-RPM or hard-formation drilling. The mounts are designed to interface with elastomeric isolation modules or custom shock-damping inserts without compromising rigidity. Multi-axis decoupling configurations help reduce signal noise induced by structural resonance, enabling cleaner data output for real-time lithology interpretation.

Exposure to high-pH drilling fluids, hydrogen sulfide, and chlorides demands materials that resist pitting, stress corrosion cracking, and chemical attack. Mounts are manufactured using passivated 316L stainless steel, Hastelloy-C, or other customer-specified alloys rated for sour service. Surface treatments such as electropolishing and proprietary coatings further extend lifecycle performance in high-salinity offshore and onshore conditions.

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Industry Applications

Onshore Oil & Gas Exploration

Ensures stable sensor positioning for genaue real-time data during high-frequency drilling operations in land-based vertical and directional wells.

Offshore Deepwater Drilling

Supports sensors under extreme pressure and motion environments, enabling precise formation evaluation and drilling fluid analysis at subsea depths.

Geothermal Well Logging

Maintains sensor alignment under high thermal gradients, ensuring reliable temperature, pressure, and mud gas readings in geothermal resource extraction.

HPHT (High Pressure High Temperature) Wells

Withstands mechanical stress and thermal cycling while securing sensors for genaue data collection in ultra-deep, high-pressure high-temperature reservoirs.

Unconventional Shale Drilling

Provides rigid mounting for microresistivity and gas sensors in horizontal wells to support geosteering and fracture mapping in tight shale formations.

Mining Exploration Boreholes

Used in mineral exploration drilling to accurately mount geochemical and structural logging sensors in hard rock and orebody boundary mapping.

Compatibility with Multi-Vendor Sensor Suites

Operational sites often deploy sensors from various OEMs, requiring mechanical interfaces that offer dimensional flexibility. Mounts feature modular plate architecture with standardized slot patterns and adjustable clamping geometries, allowing fast adaptation to new or mixed sensor configurations without machining. This adaptability significantly reduces sensor mounting downtime during rig changeovers or system upgrades.

Improper cable management can lead to signal loss, insulation fatigue, and sensor failure. The mounting system incorporates integrated cable guides and strain-relief brackets positioned to maintain minimum bend radius compliance and eliminate axial pull stress on connector interfaces. Conduit channeling options are available for both armored and shielded cable assemblies to preserve data fidelity over long-term use.

Having Doubts? Our FAQ

Check all our Frequently Asked Question

How does Frigate ensure sensor mounts remain stable during long-duration horizontal drilling operations?

Fregatte uses FEA-validated structural designs to resist torsional and lateral forces common in horizontal bore sections. Each mount is tested under simulated drill string vibration profiles to ensure long-term rigidity. Materials are selected for high fatigue resistance under cyclic loading. This ensures zero drift in sensor position over extended runs.

What type of material specifications does Frigate follow for sour service environments?

Frigate offers mounts in NACE-compliant alloys like Hastelloy-C and Duplex stainless steel for H₂S-rich wells. These materials resist stress corrosion cracking and pitting in high-chloride mud systems. Mounts undergo post-machining passivation and are verified using wet chemical corrosion testing. This ensures long-term structural integrity under aggressive downhole conditions.

Can Frigate customize sensor mounts for limited-clearance rig floor installations?

Frigate designs compact form-factor mounts with optimized envelope dimensions for tight rig floor or substructure zones. Mount geometries are adapted through modular CAD workflows to match space constraints without losing alignment precision. Quick-latch fasteners or swing-arm brackets are used for fast access. This reduces downtime during sensor maintenance or repositioning.

How does Frigate handle thermal mismatch between sensor bodies and mount materials?

Frigate performs thermal compatibility analysis using matched CTE (Coefficient of Thermal Expansion) values for sensor and mount pairs. This avoids clamping force loss or structural stress during heating cycles near engines or shakers. Thermal slots and expansion joints are added when mismatch cannot be avoided. These design measures pflegen dimensional integrity over wide temperature ranges.

How does Frigate’s mount design reduce noise in gas detection sensor outputs?

Frigate integrates multi-axis isolation zones within the mount to decouple structure-borne vibration. Cable routing paths are grounded and shielded to avoid electromagnetic interference. Mounting points are chosen based on low-resonance zones of the rig or trailer chassis. This leads to more stable gas curve readings with minimal electrical or mechanical noise.

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