Core Purpose, Equipment Adaptation & Target User Needs
This guide covers high-quality spare parts specifically adapted for drilling equipment including tong torque gauge systems (H-6A/H6A-31/H6D-31), ROSSHILL SCR systems, Martin Decker pressure recording equipment, and Eaton Crouse-Hinds lighting systems. It caters to drilling engineering companies, oilfield maintenance teams, and procurement personnel, addressing their needs for accurate classification, reliable technical parameters, damage prevention, and standardized procurement—ensuring minimal downtime and safe, stable operation of drilling equipment in hazardous (Ex-Proof) and harsh oilfield environments, complying with IECEx and ATEX standards.
Spare Parts Classification & Detailed Specifications
1. Torque Gauges & Drilling Measurement Parts
Critical for measuring tong torque and line pull in drilling operations, ensuring proper makeup/breakout of drill pipes and wellhead components. These parts prevent over-torque damage to connections and ensure compliance with API Spec 7K standards, reducing costly pipe failures in high-load drilling scenarios.
No. | Product Model | Material | Main Wear Reason | Damage Prevention Note |
1 | TONG TORQUE GAUGE LINE PULL H-6A / H6A-31 /H6D-31 | Aluminum Alloy Housing + Stainless Steel (316L) Sensor + Tempered Glass Display | Sensor drift and display damage due to high vibration in drilling tong operations, combined with exposure to drilling fluid and dust | Calibrate the gauge every 6 months per API Spec 7K requirements; install a protective cover to shield from fluid splashes and mount it on a shock-absorbing bracket. |
2. Ex-Proof Mobile Plugs & Connectors
Essential for safe electrical connections in hazardous oilfield environments (Ex-Proof), these plugs resist explosion, dust, and water (IP67/IP66 rating). They ensure stable power transmission for drilling equipment, preventing electrical faults that could trigger hazardous incidents in flammable gas zones.
No. | Product Model | Material | Main Wear Reason | Damage Prevention Note |
1 | Plug: Mobile, 600V, 16A, 4P, IP67 Ex-Proof Connector, Non-spark, Mfg: Jonhon Exn8YT16A4Z | Copper Alloy Contacts + Engineering Plastic (PC) Housing + Nitrile Rubber Gasket | Contact oxidation and gasket wear due to humidity, drilling fluid contamination, and frequent plugging/unplugging in hazardous zones | Clean contacts with a dry cloth before connecting; ensure the gasket is intact and properly seated to maintain IP67 rating—replace gasket if cracks are found. |
2 | Plug: Mobile, 1000V, 1000A, 1 Pole, IP67 Ex-Proof Connector, Non-spark, Mfg: Jonhon Exn16YT1000A1Z | Copper Alloy (T2) Contacts + Die-Cast Aluminum Housing + FKM Gasket | Contact overheating and housing deformation due to high current load, poor connection, and exposure to high ambient temperatures | Ensure the connection is tight to avoid contact resistance; do not exceed the rated current (1000A) and install in a well-ventilated area to dissipate heat. |
3 | Plug: Mobile, 400V, 16A, 10P, IP67 Ex-Proof Connector, Non-spark, Mfg: Jonhon Exn10YT16A10Z | Copper Contacts + Flame-Retardant Engineering Plastic + EPDM Gasket | Pin bending and gasket degradation due to improper alignment during connection and long-term exposure to UV radiation | Align pins carefully before plugging in to avoid bending; store unused plugs in a cool, dark place to prevent UV-induced gasket aging. |
4 | Plug: Mobile, 600V, 16A, 3P, IP67 Ex-Proof Connector, Non-spark, Mfg: Jonhon Exn8YT16A3Z | Copper Alloy Contacts + PC Housing + NBR Gasket | Thread wear and water intrusion due to over-tightening during installation and gasket misalignment | Tighten the plug to the specified torque (not over-tightening) to avoid thread damage; inspect the gasket seal after each use to ensure no water or dust intrusion. |
5 | PLUG EX16A 3POLE EEX DE IICT6 IP66 200-250V GHG5117306R0001 | Stainless Steel (304) Housing + Copper Contacts + FKM Gasket | Corrosion and contact failure due to exposure to saltwater (offshore drilling) and flammable gas residues in IIC T6 hazardous zones | Apply anti-corrosion grease to the housing surface in offshore environments; clean contacts regularly to remove gas residues and prevent oxidation. |
3. Electrical Components (Switches, Contactors, Sensors)
Key for controlling, protecting, and monitoring electrical systems in drilling equipment (SCR systems, brake resistors, power supplies). These components ensure safe, stable electrical operation, preventing system shutdowns and hazardous electrical failures in harsh oilfield conditions.
No. | Product Model | Material | Main Wear Reason | Damage Prevention Note |
1 | 28H47-05-910 Haydon Switch | Plastic Housing + Copper Alloy Contacts + Spring Steel Actuator | Contact wear and actuator fatigue due to frequent operation, vibration, and exposure to high-temperature oilfield air | Avoid excessive force when operating the switch; mount it on a vibration-dampened surface and inspect contact continuity every 3 months. |
2 | CONTACTOR 0100-0389-02 1800A 74VDC FOR ROSSHILL SCR SYSTEM | Copper Alloy (T2) Contacts + Cast Iron Housing + Ceramic Insulator | Contact welding and coil burnout due to high current surges in ROSSHILL SCR systems and poor heat dissipation | Install a surge protector to reduce current spikes; ensure the contactor is mounted in a well-ventilated area and clean cooling vents regularly. |
3 | SWITCH OVERTEMP SENSOR FOR BRAKE RESISTOR 000-963038 | Stainless Steel (316L) Probe + Copper Wire + Heat-Resistant Plastic Connector | Probe wear and wire insulation damage due to high temperature (brake resistor operation) and mechanical abrasion | Mount the probe away from direct contact with brake resistor surfaces (maintain 5mm gap); protect wires with a heat-resistant sleeve to prevent insulation melting. |
4. Control Units & Synchronizing Parts
Essential for synchronizing and controlling drilling equipment operations, ensuring coordinated performance of multiple components (SCR systems, generators). These parts prevent operational mismatches, reduce equipment wear, and ensure efficient, safe drilling processes.
No. | Product Model | Material | Main Wear Reason | Damage Prevention Note |
1 | SYNCHRONIZING UNIT 1400028348 | Aluminum Alloy Housing + Electronic Components (Microprocessors, Capacitors) + Gold-Plated Contacts | Electronic component failure and contact oxidation due to voltage fluctuations, humidity, and vibration in control cabinets | Install a voltage stabilizer to maintain stable input voltage; mount the unit in a waterproof, dust-proof control cabinet and inspect contacts annually. |
5. Pressure Gauges & Recorders
Critical for monitoring and recording pressure in drilling systems (wellhead, hydraulic, pneumatic), ensuring pressure stays within safe operating limits. These parts comply with API Spec 14C standards, preventing pressure-related failures (blowouts, component rupture) in high-pressure drilling scenarios.
No. | Product Model | Material | Main Wear Reason | Damage Prevention Note |
1 | MARTIN DECKER RECORDER PRESSURE GAUGE GA112-40 | Stainless Steel (316L) Case + Brass Internals + Tempered Glass Display | Diaphragm wear and recorder jamming due to high-pressure fluctuations, drilling fluid contamination, and mechanical vibration | Calibrate the gauge every 4 months per API Spec 14C; install a pressure snubber to reduce fluctuations and a filter to prevent fluid contamination. |
6. Lighting Components
Essential for providing safe, reliable illumination in oilfield drilling sites (day and night operations), complying with Ex-Proof and IP rating requirements. These lights ensure visibility for maintenance and operational tasks, reducing accident risks in low-light hazardous environments.
No. | Product Model | Material | Main Wear Reason | Damage Prevention Note |
1 | Eaton Crouse-Hinds Light PLLE-4-C2-5L-1/6-220-N 100-240VAC 108-250VDC 50/60Hz 60W | Aluminum Alloy Housing + Tempered Glass Lens + LED Bulb + FKM Gasket | Lens damage and gasket degradation due to impact from drilling debris, humidity, and long-term exposure to harsh weather | Install a protective guard around the light to prevent debris impact; inspect the gasket regularly and replace if it shows signs of hardening or cracking. |
7. Handles & Operational Components
Key for manual operation of drilling equipment (tongs, valves, controls), ensuring comfortable, secure grip and precise operation. These handles resist wear and vibration, preventing slippage and operator fatigue during long drilling shifts.
No. | Product Model | Material | Main Wear Reason | Damage Prevention Note |
1 | P5130200019 S1618035/010-0023 V85/B8/R Jessman handle | Steel Core + Rubber Grip + Zinc-Plated Hardware | Grip degradation and hardware corrosion due to exposure to drilling fluid, oil, and outdoor humidity | Clean the grip regularly with a mild detergent to remove oil buildup; apply anti-corrosion grease to the hardware to prevent rust. |
On-Site Fault Maintenance Cases
Case 1: Ex-Proof Plug Water Intrusion in Offshore Drilling
An offshore drilling team experienced electrical short circuits in a hazardous zone, traced to water intrusion in the Jonhon Exn8YT16A3Z Ex-Proof plug. Inspection found the gasket was misaligned and cracked, caused by over-tightening during installation. The solution: Replace the gasket, clean the plug contacts, and tighten to the specified torque. After replacement, the plug maintained IP67 rating, and no further short circuits occurred—complying with IECEx hazardous zone requirements.
Case 2: Torque Gauge Drift in Drill Pipe Makeup
During drill pipe makeup, the H-6A Tong Torque Gauge showed inaccurate readings, leading to inconsistent pipe connections. Investigation revealed sensor drift due to prolonged vibration and lack of calibration (exceeding API Spec 7K 6-month calibration cycle). The solution: Calibrate the gauge per API standards, install a shock-absorbing bracket, and clean the sensor to remove drilling fluid residue. Gauge accuracy was restored, preventing pipe connection failures.
FAQ (Frequently Asked Questions)
No. | Question | Answer |
1 | How often should I calibrate the MARTIN DECKER GA112-40 pressure gauge to comply with industry standards? | To comply with API Spec 14C (pressure control systems), calibrate the GA112-40 gauge every 4 months. For harsh, high-pressure drilling environments (e.g., offshore), reduce the interval to 3 months to ensure accuracy. |
2 | What should I do to maintain the IP67 rating of Jonhon Ex-Proof plugs in dusty oilfield environments? | After each use, clean the plug’s sealing surface with a dry cloth to remove dust; inspect the gasket for cracks or wear and replace if needed. Avoid over-tightening, as this can damage threads and gaskets—tighten to the manufacturer’s specified torque only. |
3 | How to prevent coil burnout in the 0100-0389-02 contactor for ROSSHILL SCR systems? | Install a surge protector to mitigate current spikes in the ROSSHILL SCR system; ensure the contactor is mounted in a well-ventilated area to dissipate heat. Regularly clean cooling vents and check for loose connections that cause contact resistance and overheating. |
Procurement Guide
All spare parts listed in this guide are manufactured in strict compliance with industry standards (API Spec 7K, API Spec 14C, IECEx, ATEX) and fully compatible with the specified drilling equipment models (ROSSHILL SCR, Martin Decker, Eaton Crouse-Hinds, Jonhon Ex-Proof systems). They effectively solve common on-site problems such as electrical faults, gauge inaccuracy, and seal failure, reducing maintenance costs and ensuring continuous, safe drilling operations. For reliable, high-performance spare parts that meet your hazardous and harsh environment needs, select the corresponding products according to the models and specifications provided. Contact us to place your order and access professional technical support for installation, maintenance, and troubleshooting—ensuring your equipment operates at peak efficiency and complies with all safety standards.
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