Flow Assurance
Deepwater hydrate detection and sizing
The formation of hydrates poses a significant flow assurance concern for operators of subsea pipelines, especially those dedicated to gas transport. The accumulation of hydrates along the inner surface of the pipeline can significantly impede flow or, in severe cases, entirely obstruct the pipeline. Remediation of plugged lines can be challenging and costly.
TSC Subsea has introduced a groundbreaking solution, the award-winning ART vPush™, which marks an industry first in acoustic deepwater hydrate detection, delivering rapid inspection without compromising detection capability or sizing accuracy.
Subsea Pipeline Flow Assurance
One of the key challenges in addressing hydrate blockages lies in effectively characterising the plug itself – understanding its location and the extent of the obstruction it causes.
An example of TSC Subsea capabilities: A client encountered a flow assurance issue with a hydrate blockage in a semi-buried 12 km gas pipeline situated in one of their West African fields. Tasked with determining the location and assessing the nature of the blockage, TSC Subsea mobilised its flow assurance scanner to enable the client to initiate remedial actions promptly.
External Hydrate Detection Scanner
TSC Subsea’s Acoustic Resonance Technology (ART) has already demonstrated proficiency in rapidly measuring wall thickness even through thick subsea coatings. In preliminary research and development efforts, ART could also be deployed to detect hydrate formations within a pipeline.
In response to this need, TSC Subsea developed the ART vPush™. This innovative system, deployed via remotely operated vehicles (ROV), is propelled along the upper surface of the subsea pipeline, swiftly collecting data from four sensors in real time. This approach allows for the rapid detection of hydrates as quickly as the ROV can travel the span of the pipeline.
Flow Assurance Hydrate Detection Technology
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Case Studies
Diverless ACFM Inspection Solution for FPSO Bilge Keel Weld Integrity Assessment.
FPSO operators are increasingly seeking ways to inspect their hulls below the waterline without resorting to drydocking, a costly process that entails significant production loss, rendering it inefficient and logistically challenging. Recognising the benefits of a...
Diverless ACFM Inspection Solution for FPSO Bilge Keel Weld Integrity Assessment.
FPSO operators are increasingly seeking ways to inspect their hulls below the waterline without resorting to drydocking, a costly process that entails significant production loss, rendering it inefficient and logistically challenging. Recognising the benefits of a...
Tethered ILI Robotic Solution for Internal Riser and Pipeline Inspection
The Challenge bp sought a comprehensive, circumferential 360-degree scan of the riser. TSC Subsea provided the solution - a robotic system that could both travel longitudinally along the riser and had the ability to precisely stop and stabilise itself, in order to...
Innovative Approach to Subsea Pipelines Ovality Assessment with Dent Mapping and Wall Thickness Measurements.
The anchor was discovered during a pipeline jet trenching campaign using a multi-beam sonar system, producing a 3D image of the pipeline and the abandoned anchor on the ocean bed. Although the area was marked as a no-anchor zone, prohibiting vessels from...
Flooded Member Detection (FMD) of Complex Riser Caisson with Acoustic Resonance Technology (ART)
The Challenge TSC Subsea received a request from Ocean Infinity on behalf of Orsted, a Danish multinational energy company, to perform a comprehensive Flooded Member Detection (FMD) inspection on a Riser Caisson. The purpose of the caisson inspection was to ascertain...
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