Core Purpose Statement
This guide covers sensors specifically engineered for oil and gas drilling rigs, including but not limited to land drilling rigs (such as ZJ30, ZJ40, ZJ50), offshore drilling platforms, and workover rigs. Targeted at drilling engineering companies, rig maintenance service providers, and oilfield equipment manufacturers, it addresses critical needs for real-time operational monitoring, equipment fault prevention, and compliance with safety regulations. These sensors serve as the "nerve system" of drilling equipment, enabling precise data collection for key parameters to ensure drilling efficiency, operational safety, and regulatory compliance.
Sensor Classification & Detailed Specifications
1. Draw Work Sensors
Essential for monitoring the operational status of drilling rig draw works, these sensors prevent overload damage and ensure smooth hoisting operations. Key pain points like inaccurate load feedback and sudden equipment failure are resolved via high-precision data transmission. Ideal for onshore and offshore drilling rig draw works systems, they guarantee operational stability in harsh drilling environments. (78 words)
Product No. | Product Model | Material | Main Wear Reasons | Damage Prevention Notes |
1 | 8J06 Draw work sensor | Stainless steel 316L + engineering plastic (PA66) | 1. Prolonged exposure to drilling fluid corrosion and abrasive particle erosion; 2. Fatigue damage from frequent hoisting load shocks | 1. Regularly clean the sensor surface with anti-corrosion solvent and inspect for abrasive scratches; 2. Calibrate load range quarterly to avoid operation beyond rated load |
2. Pump Stroke & Table Rotary Speed Sensors
Critical for synchronizing drilling pump output and rotary table speed, these sensors address issues of inconsistent drilling parameters that cause poor hole quality. Suitable for mud pump systems and rotary tables of various drilling rigs, they ensure stable drilling efficiency and reduce drill string wear. High compatibility and precision make them essential for efficient drilling operations. (76 words)
Product No. | Product Model | Material | Main Wear Reasons | Damage Prevention Notes |
1 | 8B03 Pump stroke and table rotary speed sensors | Aluminum alloy (anodized) + magnetic steel (NdFeB) | 1. Vibration-induced loosening of internal electronic components in high-frequency pump operation; 2. Magnetic field attenuation due to high-temperature drilling environment | 1. Install vibration-damping gaskets between the sensor and mounting base; 2. Avoid direct exposure to exhaust pipes and maintain ventilation around the installation area |
2 | 8B06 Pump stroke and table rotary speed sensors | Aluminum alloy (anodized) + magnetic steel (NdFeB) | 1. Wear of rotating contact parts caused by long-term engagement with pump/table transmission components; 2. Ingress of drilling dust leading to short circuits in internal circuits | 1. Lubricate the contact surface monthly with high-temperature resistant lubricant; 2. Install a dustproof cover with breathable membrane to prevent dust accumulation while ensuring heat dissipation |
3 | 8B06FG Pump stroke and table rotary speed sensors | Stainless steel 304 + magnetic steel (NdFeB) + reinforced glass fiber plastic | 1. Corrosion of external housing by alkaline drilling fluid; 2. Damage to signal lines due to frequent bending during equipment maintenance | 1. Apply anti-corrosion coating to the external housing every 6 months; 2. Arrange signal lines with a minimum bending radius of 5cm and use cable clips for fixed routing |
3. Pressure Sensors
Designed to monitor drilling fluid pressure and system hydraulic pressure, these sensors prevent overpressure accidents that lead to equipment leakage or explosion. Ideal for drilling fluid circulation systems and hydraulic control systems, they provide real-time pressure data to ensure system safety. High pressure resistance and corrosion resistance meet the rigorous requirements of drilling operations. (75 words)
Product No. | Product Model | Material | Main Wear Reasons | Damage Prevention Notes |
1 | 8Y3XA Pressure sensor | Stainless steel 316L (diaphragm) + titanium alloy (sensor body) | 1. Diaphragm deformation caused by sudden pressure surges in drilling fluid; 2. Corrosion of pressure channel by hydrogen sulfide in drilling fluid | 1. Install a pressure relief valve in front of the sensor to buffer sudden pressure changes; 2. Conduct regular sulfide corrosion inspection and replace diaphragm if pitting occurs |
4. Torque Sensors
Vital for monitoring torque of drilling rig transmission systems and rotary tables, these sensors resolve issues of excessive torque leading to drill string breakage or equipment burnout. Suitable for rotary table drives, top drives, and drill string systems, they ensure rational torque application and extend equipment lifespan. High measurement accuracy supports precise drilling parameter adjustment. (74 words)
Product No. | Product Model | Material | Main Wear Reasons | Damage Prevention Notes |
1 | 8N07G AC/DC Electrical Torque Sensor | Alloy steel (40CrNiMoA) + stainless steel 304 (protection cover) | 1. Fatigue damage of torque shaft due to long-term alternating load; 2. Degradation of internal strain gauges caused by high-temperature operation | 1. Avoid frequent start-stop with full load and maintain stable torque output; 2. Check the temperature of the sensor body regularly, ensuring it does not exceed 85℃ |
2 | 8N02 Tension Pulley Type Table Torque Sensor | Cast iron (HT250) + polyurethane (pulley surface) + stainless steel 316 | 1. Wear of pulley surface due to long-term friction with tension belt; 2. Loosening of pulley bearing caused by drilling rig vibration | 1. Check pulley surface wear monthly and replace pulley if wear depth exceeds 2mm; 2. Inject high-temperature resistant bearing grease every 3 months to reduce friction |
3 | 8N01G Rotary torque sensor | Titanium alloy (torque sensing element) + aluminum alloy (shell) | 1. Damage to rotary joint seals caused by drilling fluid intrusion; 2. Interference with signal transmission due to electromagnetic radiation from nearby motors | 1. Replace rotary joint seals every 6 months and apply sealant to the joint; 2. Install electromagnetic shielding cover and keep a distance of at least 1m from high-power motors |
5. Liquid Level Sensors
Used for monitoring liquid level of drilling fluid tanks and auxiliary tanks, these sensors prevent liquid overflow or dry running of pumps. Suitable for drilling fluid circulation tanks, chemical tanks, and water tanks on drilling rigs, they ensure stable supply of drilling fluids and chemicals. High reliability in harsh dust and vibration environments. (72 words)
Product No. | Product Model | Material | Main Wear Reasons | Damage Prevention Notes |
1 | 8C05 Supersonic Liquid Level Sensor | ABS plastic (shell) + stainless steel 316 (transducer) | 1. Contamination of transducer surface by drilling fluid mist leading to measurement deviation and component damage; 2. Shell cracking caused by accidental impact during tank cleaning | 1. Clean the transducer surface weekly with a soft cloth dipped in alcohol; 2. Install a protective baffle around the sensor to avoid direct impact |
2 | 8C05L Supersonic Liquid Level Sensor | PP plastic (shell) + stainless steel 316L (transducer) | 1. Corrosion of shell by chemical additives in drilling fluid; 2. Damage to internal circuit boards due to moisture intrusion in high-humidity environments | 1. Select sensors with chemical-resistant coating for chemical tank applications; 2. Regularly check the sealing performance of the sensor's cable entry and apply waterproof tape if necessary |
6. Electrical Conductivity Sensors
Critical for monitoring the conductivity of drilling fluid, these sensors help adjust the chemical composition of drilling fluid and prevent formation damage. Suitable for drilling fluid treatment systems and circulation tanks, they ensure drilling fluid performance meets formation requirements. High corrosion resistance to various chemical additives in drilling fluid. (70 words)
Product No. | Product Model | Material | Main Wear Reasons | Damage Prevention Notes |
1 | 8D03 Electrical conductivity sensor | Platinum (electrode) + PTFE (sensor body) | 1. Scaling on electrode surface caused by high mineral content in drilling fluid; 2. Electrode corrosion by strong oxidizing additives in drilling fluid | 1. Descale the electrode monthly with dilute hydrochloric acid (5%) and rinse thoroughly with pure water; 2. Avoid using the sensor in drilling fluid containing high concentrations of oxidants |
2 | 8D04 Electrical conductivity sensor | Gold-plated titanium (electrode) + PTFE (sensor body) | 1. Mechanical damage to electrode caused by solid particles in drilling fluid; 2. Signal drift due to long-term immersion in high-temperature drilling fluid | 1. Install a filter screen in front of the sensor to block large solid particles; 2. Calibrate the sensor every 3 months under actual operating temperature conditions |
3 | 8D08 Electrical conductivity sensor | Graphite (electrode) + PVDF (sensor body) | 1. Electrode wear caused by turbulent flow of drilling fluid; 2. Damage to sensor body due to sudden temperature changes in drilling fluid | 1. Install the sensor in a low-turbulence area of the tank and avoid direct flow impact; 2. Gradually immerse the sensor in drilling fluid to avoid thermal shock |
7. Density Sensors
Essential for measuring the density of drilling fluid, these sensors ensure drilling fluid density matches formation pressure to prevent blowout or well collapse. Suitable for drilling fluid circulation systems and density adjustment tanks, they provide accurate density data for real-time drilling fluid optimization. High stability in high-viscosity drilling fluid environments. (71 words)
Product No. | Product Model | Material | Main Wear Reasons | Damage Prevention Notes |
1 | 8M01 Density Sensor | Stainless steel 316L (measuring tube) + aluminum alloy (shell) | 1. Scaling and fouling of measuring tube inner wall by drilling fluid solids; 2. Damage to vibration element caused by drilling rig vibration | 1. Clean the measuring tube every 2 weeks with a high-pressure water gun (pressure ≤ 0.5MPa); 2. Install vibration isolation pads and ensure the sensor is mounted horizontally |
2 | 8M04 Density Sensor | Titanium alloy (measuring tube) + stainless steel 304 (shell) | 1. Corrosion of measuring tube by hydrogen sulfide and carbon dioxide in drilling fluid; 2. Signal interference caused by external electromagnetic fields | 1. Conduct regular corrosion inspection using ultrasonic thickness gauge; 2. Ground the sensor shell properly and use shielded signal cables |
8. Drilling Fluid Temperature Sensors
Used for monitoring the temperature of drilling fluid in circulation systems, these sensors prevent drilling fluid performance degradation due to excessive temperature. Suitable for drilling fluid inlet and outlet pipelines, they ensure stable drilling fluid viscosity and lubricity. Fast response speed and high temperature measurement accuracy support real-time process control. (70 words)
Product No. | Product Model | Material | Main Wear Reasons | Damage Prevention Notes |
1 | 8W01A Drilling fluid temperature sensor | Stainless steel 316L (probe) + Teflon (cable insulation) | 1. Probe wear caused by abrasive particles in drilling fluid; 2. Cable insulation damage due to high-temperature pipeline contact | 1. Install the probe in a protective sleeve with a filter; 2. Fix the cable away from high-temperature pipelines and use heat-insulating sleeves if necessary |
2 | 8W02A Drilling fluid temperature sensor | Inconel 625 (probe) + silicone rubber (cable insulation) | 1. Probe corrosion caused by high-temperature and high-pressure drilling fluid; 2. Damage to internal thermistor due to sudden temperature shocks | 1. Select probes with wear-resistant coating for high-abrasion drilling fluid; 2. Avoid sudden immersion of the probe in high-temperature drilling fluid, preheat it gradually |
9. Flow Out Sensors
Critical for monitoring the outflow rate of drilling fluid, these sensors detect abnormal flow conditions (such as lost circulation or kick) in a timely manner. Suitable for drilling fluid return pipelines, they provide early warning of well control risks. High sensitivity and fast response ensure timely well control measures. (68 words)
Product No. | Product Model | Material | Main Wear Reasons | Damage Prevention Notes |
1 | 8L03A Flow out sensor | Stainless steel 316L (flow tube) + polyurethane (impeller) | 1. Impeller wear caused by solid particles in drilling fluid; 2. Blockage of flow tube by large debris leading to impeller damage | 1. Install a debris filter at the inlet of the flow tube; 2. Check the impeller rotation flexibility monthly and clean the flow tube if necessary |
10. H2S Sensors
Indispensable for detecting hydrogen sulfide gas in drilling environments, these sensors prevent toxic gas poisoning and ensure personnel safety. Suitable for drilling platforms, wellheads, and drilling fluid treatment areas, they provide real-time H2S concentration monitoring and alarm. High selectivity and low detection limit meet safety regulatory requirements. (70 words)
Product No. | Product Model | Material | Main Wear Reasons | Damage Prevention Notes |
1 | TS4000 H2S Sensor | Aluminum alloy (shell) + electrochemical sensor element | 1. Sensor element poisoning by other toxic gases (such as CO) in the drilling environment; 2. Reduced sensitivity due to moisture and dust intrusion | 1. Calibrate the sensor with standard H2S gas monthly and check for cross-interference; 2. Install a moisture and dust filter and replace it regularly |
2 | S214 H2S Sensor | Stainless steel 304 (shell) + electrochemical sensor element | 1. Sensor element aging due to long-term exposure to high-concentration H2S; 2. Shell corrosion by acidic drilling fluid mist | 1. Replace the sensor element if the response time exceeds the specified limit; 2. Clean the shell regularly with neutral detergent and apply anti-corrosion coating |
3 | SIGER H2S Sensor | ABS plastic (flame-retardant) + electrochemical sensor element | 1. Damage to sensor circuit due to static electricity in dry drilling environments; 2. Sensor element failure caused by high temperature | 1. Ground the sensor properly and use anti-static cables; 2. Install the sensor in a well-ventilated area and avoid direct sunlight |
Procurement & Technical Reference Standards
1. Procurement Reference Standards
Compatibility Verification: Confirm that the sensor's measurement range, installation dimensions, and signal output format match the drilling rig's control system and equipment models (e.g., ZJ30, ZJ40 rigs).
Environmental Adaptability: Select sensors with appropriate protection levels (IP65 or higher) and temperature ranges (-40℃ to 125℃ recommended) based on the drilling environment (onshore/offshore, high temperature/high humidity).
Certification Requirements: Prioritize sensors that meet international standards such as ATEX (for explosive environments) and IECEx, and comply with oilfield safety regulations.
Quality Assurance: Choose products with reliable after-sales service and technical support, and check the sensor's calibration certificate and quality inspection report.
2. Technical Problem-Solving Reference Standards
Measurement Deviation: First check for sensor surface contamination or scaling, clean and recalibrate; if deviation persists, inspect the signal cable for damage or poor contact.
Sensor Failure: Check the power supply voltage and circuit connection; for electrochemical sensors (e.g., H2S sensors), check if the sensor element has expired and replace it if necessary.
Mechanical Damage: For sensors with moving parts (e.g., flow sensors), check for impeller jamming or wear; for torque sensors, inspect the torque shaft for fatigue cracks using non-destructive testing methods.
Corrosion Issues: Replace corroded components with materials that match the drilling fluid composition (e.g., use Inconel 625 for high-corrosion environments) and strengthen regular corrosion inspections.
Procurement Invitation
Our drilling industry sensors are engineered to meet the rigorous demands of oil and gas drilling operations, with reliable performance, high precision, and excellent durability. Whether you need sensors for new rig installations, equipment maintenance, or upgrade projects, we can provide tailored solutions to meet your specific operational needs. Contact our sales team today to learn more about product specifications, pricing, and technical support services.
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