Middle East Carbonate OBN
Detecting subtle pressure depletion in stiff carbonates using high-repeatability OBN.
Case library
Browse documented monitoring projects, locate comparable reservoir settings, and move from a project name to the technical choices and field evidence behind it.
Use the map to understand geographic coverage and open a concise project summary. The library cards below contain the reusable technical context.
Detecting subtle pressure depletion in stiff carbonates using high-repeatability OBN.
The pioneer of 4D. Identified undrained compartments leading to over $1B in added value since 1996.
First Life-of-Field Seismic (PRM). Over 20 surveys acquired, driving virtually every infill well decision.
Deepwater turbidite monitoring. Textbook example of tracking water flood fronts in complex channels.
Sub-salt 4D imaging. Using OBN to see through complex salt bodies where streamers failed.
Compaction monitoring. Using 4D time-shifts to map pressure depletion and geomechanical arching.
Gas cap and aquifer monitoring. Critical for steering horizontal wells in thin sands.
4D in a soft seabed environment. Proven capability to monitor connectivity in complex reservoirs.
The world's first industrial-scale CO2 storage monitoring. 4D seismic proved the safety of geological storage since 1996.
Asia-Pacific deepwater gas monitoring. Identifying aquifer drive strength and compartment connectivity in a hard seabed setting.
Onshore heavy oil monitoring. Using 4D to track steam chambers in shallow sands for thermal recovery optimization.
Next-gen PRM & Gravity. Combining permanent seismic sensors with borehole gravity to monitor a giant field from day one.
Infrastructure-constrained imaging. Using nodes to undershoot the Mars TLP platform, revealing bypassed oil near the facility.
Complex tidal reservoir monitoring. Tracking water injection sweeping through heterogeneous Rogn formation sands.
Visualizing gas-out-of-solution to manage pressure in a heavy oil reservoir, identifying quiet zones versus active hardening responses.
Ultra-high density OBN monitoring of a fractured basement. Successfully imaged through glacial boulders to optimize well placement.
World-first application of Spot Seismic for frequent CO2-EOR monitoring, providing high-temporal resolution at a fraction of 4D cost.
State-of-the-art 4D OBN in deepwater. Resolved complex channel connectivity issues that were previously ambiguous on streamer data.
Pioneering land 4D in China. Successfully mapped remaining oil saturation in mature water-flood compartments to guide infill drilling.
Ultra-deep carbonate monitoring. Using 4D to track gas-injection sweeps in fractured reservoirs at depths exceeding 7,000m.
The world's first ultra-deepwater optical PRM system, proving fiber-optic sensing at 1,300m water depth and informing production-well repositioning.
A definitive summary of how 4D seismic matured from a research experiment to a standard asset management tool, generating over $1B in added value.
The case that changed the industry: installing permanent cables on the seabed for frequent, high-repeatability monitoring of a compacting chalk reservoir.
Demonstrating how 4D amplitudes can perfectly track water flood fronts in high-porosity turbidite channels in deepwater West Africa.
Proving that 4D seismic can work in "stiff" carbonate reservoirs by identifying water front movement and pressure depletion in a giant offshore field.
Using Ocean Bottom Nodes (OBN) to achieve 4D repeatability and illumination under complex salt canopies in the Gulf of Mexico.
Using 4D time-shifts to map the geomechanical response of the overburden to reservoir compaction, a critical safety and production metric.
Visualizing gas cap expansion and coning to optimize horizontal well placement in a high-quality sandstone reservoir.
Early proof that 4D could work in the harsh West of Shetland environment, revealing compartmentalization that altered the drilling program.
The seminal paper on CCS monitoring. Quantifying the thickness and distribution of CO2 layers in the Utsira aquifer.
Overcoming strong currents and hard seafloor multiples to image gas-water contact movement in a major LNG feedstock field.
Using high-frequency land seismic to track heat fronts and steam chamber growth in shallow heavy oil sands.
A state-of-the-art surveillance strategy combining permanent seismic sensors with gravimetry to constrain the water balance in a giant reservoir.
Demonstrating how nodes can fill illumination gaps under production facilities that are impossible to image with streamers.
One of the earliest successes in using 4D to identify bypassed oil in heterogeneous tidal sands, leading to successful infill drilling.
Capturing gas-out-of-solution signals to monitor pressure management and waterflood response in a giant heavy oil field.
Overcoming glacial boulder scatterers and complex overburden with ultra-high density OBN to monitor a massive fractured basement reservoir.
Proving the value of frequent, sparse 'spot' seismic monitoring as a cost-effective alternative to full-field 4D for CO2-EOR surveillance.
Applying high-density OBN to resolve complex channel connectivity and optimize infill drilling in a fast-track deepwater development.
A landmark land 4D project in China, demonstrating the use of high-resolution surface seismic to map remaining oil in high-water-cut areas.
Monitoring pressure changes and gas movement in ultra-deep (>7000m) carbonate reservoirs using high-repeatability 4D workflows.
The world's first ultra-deepwater optical PRM system, proving fiber-optic sensing at 1,300m depth and repositioning production wells by identifying previously invisible water encroachment.