The Remote Asset Problem
Oil and gas production assets are distributed across geographies that make periodic monitoring both expensive and inadequate. A mid-size operator with 200 wellheads and 150 tank batteries across a basin may have assets spread across 2,000 square miles. A field technician visiting each site once per week drives hundreds of miles between weekly rounds — and learns what happened at each site only when they arrive.
What happened between visits is the operational blindspot. A tank that was at 60% on Monday may overflow on Wednesday if production rate increased or a transfer pump failed. A wellhead that developed a tubing leak overnight loses production for days until the next site visit reveals the problem. Compressor failures at remote pad sites stop production and aren’t known until a field tech arrives or production data at the gathering facility reveals the loss.
The economics of periodic site visits also don’t scale with the regulatory environment. EPA Subpart OOOOa and OOOOb rules for oil and gas operations require increasing monitoring frequency for fugitive emissions, leak detection, and equipment inspection — requirements that were manageable when regulations were less stringent but create significant labor costs at current monitoring frequency requirements.
IoT remote monitoring with VX-Olympus addresses this by providing continuous visibility to remote production assets without continuous physical presence.
Core Monitoring Applications
Tank Level Monitoring and Overflow Prevention
Production tank batteries are the most immediate application for remote monitoring. An overflowing tank is an environmental violation, a liability, and a regulatory reporting event — all preventable if level monitoring is in place.
Sensor approach: Guided wave radar or ultrasonic level sensors installed on tank hatches provide continuous level measurement. For tanks with existing level floats (common on older installations), IoT-connected float position transmitters can be added without replacing the existing sensor. Pressure-based level measurement (hydrostatic tank gauging) is another approach for sealed tanks.
Alert configuration in VX-Olympus:
- Low alert (20% capacity): truck ordering trigger — begin haul-off scheduling
- High alert (85% capacity): urgent haul-off required, production rate review
- Critical alert (90% capacity): immediate haul-off dispatch, consider reducing production rate
- Overflow alert (95%+ capacity): operator notification + incident documentation initiation
Connectivity approach: Tank batteries at remote locations typically lack power infrastructure for wired sensors. Solar-powered sensor systems with LoRaWAN or cellular transmission are the standard deployment. Battery life under solar power is effectively unlimited for sites with adequate sun exposure.
Wellhead Pressure and Production Monitoring
Wellhead pressure monitoring provides immediate indication of production anomalies:
- Tubing pressure: normal operating range indicates expected production. Below-range may indicate a tubing leak, pump failure, or depleted zone. Above-range may indicate a restriction or shut-in valve issue.
- Casing pressure: abnormal casing pressure can indicate formation gas, tubing failure, or cementing issues
- Production rate: flow meters at wellheads or LACT units measure actual production volume
Rule chain alerts for wellhead anomalies:
- Tubing pressure drops below expected range: field tech notification with current pressure and baseline comparison
- Production rate drops more than 15% from 7-day average: production notification to well supervisor
- Wellhead pump current anomaly: motor health indicator from current draw analysis
Remote Pump and Compressor Monitoring
Artificial lift systems (rod pumps, ESP systems, gas lift) and gathering compressors are high-value, maintenance-intensive equipment. Remote monitoring via VX-Olympus reduces the reactive maintenance cycle:
Rod pump monitoring:
- Motor current (running status, torque loading)
- Stroke count (cycle counter for production rate estimation)
- Pump-off detection (current signature analysis identifies when the pump has pumped the well dry — allowing pump controller optimization)
- Gearbox temperature (elevated temperature indicates lubrication issues)
ESP monitoring:
- Motor intake pressure (indicates pump submergence level)
- Motor temperature
- Current draw (overload or underload conditions)
- Vibration (downhole vibration sensors on some ESP systems)
Compressor monitoring:
- Suction and discharge pressure
- Temperature at critical points
- Run time hours (PM scheduling)
- Vibration on reciprocating compressors
LDAR Compliance Documentation
EPA’s Leak Detection and Repair (LDAR) program requires operators to identify and repair fugitive emissions from equipment components at production and processing facilities. The OOOOa and OOOOb rules have expanded monitoring requirements significantly, with mandatory monitoring frequencies based on well type and equipment type.
What LDAR Monitoring Requires
LDAR monitoring requirements under EPA OOOOb include:
- Quarterly optical gas imaging (OGI) surveys for production sites above threshold
- Monthly or quarterly component-level monitoring for high-bleed pneumatic devices
- Documentation of all surveys: date, instrument used, components checked, findings
- Repair records: when a leak was found, when it was repaired, confirmation measurement after repair
Manual LDAR documentation involves technicians with clipboards, OGI cameras, and portable instruments walking facilities and recording findings in paper or spreadsheet logs.
How IoT Supports LDAR Compliance
VX-Olympus doesn’t replace the physical LDAR surveys that regulatory requirements mandate. It provides the infrastructure that makes compliance documentation more efficient and more defensible:
Survey scheduling and dispatch: VX-Olympus schedules LDAR surveys based on the regulatory frequency requirements for each site. The survey schedule is tracked in the platform, and field technicians are dispatched with complete site information.
Digital inspection records: Field technicians use mobile devices to record survey results directly in VX-Olympus at the point of inspection. Component-level findings, OGI instrument readings, and photographs are captured in structured records rather than paper logs.
Repair tracking: Identified leaks create work orders in VX-Olympus with regulatory compliance parameters: repair deadline based on leak type classification, confirmation survey required after repair, 15-day repair window tracking.
Continuous emissions monitoring integration: For facilities with continuous emissions monitors (CEMS or fence-line monitoring), VX-Olympus integrates the continuous monitor data with the periodic LDAR inspection records — providing context that connects periodic inspections with continuous monitoring data.
Compliance reporting: EPA LDAR compliance reports require documentation of survey dates, components inspected, leaks found, repair status, and repair confirmation. VX-Olympus generates these reports from the inspection records — reducing the reporting burden from a manual data compilation to a platform query.
Connectivity Architecture for Remote O&G Assets
Remote oil and gas production assets span a range of connectivity environments:
Near facilities with cellular coverage: LTE-M or NB-IoT cellular sensors connect directly to VX-Olympus via MQTT or HTTPS. Cellular coverage at many oil and gas production areas in the US is adequate for LTE-M connectivity with appropriate antenna selection. Cost: monthly cellular data plan per sensor, typically $2–$10/month for low-volume IoT data.
Remote areas beyond cellular coverage: LoRaWAN with a private gateway network or satellite connectivity. For an operator with a contiguous lease area, a LoRaWAN gateway on a tank battery, communication tower, or pad site provides coverage to surrounding wells. IoT SimpleLink manages the gateway network.
Very remote or marine environments: Satellite IoT (Iridium, Inmarsat) for assets beyond cellular and LoRaWAN range. Satellite messaging provides tank level updates at 1–4 hour intervals. Higher cost per message than cellular but global coverage.
Solar power at remote sites: All remote IoT deployments require power. Solar-powered systems with battery backup provide reliable power for sensors and communication devices without grid or generator infrastructure. System sizing depends on sensor type, transmission frequency, and solar availability at the deployment latitude.
Spill Prevention and Environmental Compliance
Tank overflow prevention is the most direct environmental benefit of IoT-connected production monitoring. An oil spill from an overflowing tank battery triggers EPA spill reporting requirements, state environmental agency notification, cleanup liability, and potential enforcement action.
Conclusion
Oil and gas operations face a fundamental challenge: high-value, maintenance-intensive assets distributed across geographies that make continuous human observation impractical. IoT remote monitoring with VX-Olympus closes the visibility gap — not by replacing field technicians, but by ensuring that field technicians respond to conditions that are actually happening rather than discovering conditions that happened days ago.
Tank overflow prevention, production anomaly detection, equipment health monitoring, and LDAR compliance documentation are all achievable with the same sensor network and platform. The investment in remote monitoring infrastructure pays back in prevented incidents, reduced emergency response cost, and regulatory compliance efficiency.
Talk to our team about a remote monitoring deployment for your oil and gas production assets.