A system for measuring corrosion and corrosion-erosion rates in a high temperature, high pressure multiphase dynamic environment includes a plurality of ring-shaped test coupons disposed within a test vessel in a vertical arrangement relative to one another. A test fluid mixture is added to the vessel and the temperature and pressure are maintained such that the mixture exists in a multiphase condition that has a vertical stratification such that each test coupon is exposed to a different phase and/or combination of phases of the fluid. Impellers can be used to stir the fluid to provide a dynamic environment. The fluid can include particulate matter to simulate real world test conditions. Separator plates can be disposed at different vertical locations within the vessel to maintain separation between various phases of the fluids and further restrict particulate matter from migrating between sections of the test system.

An optical monitor includes a target disposed within the optical monitor and exposed to ambient air, wherein exposure to the ambient air produces a change in an optical property of the target. The optical monitor may also include a light emitter to illuminate the target and an optical detector to generate a signal based on light reflected from or transmitted through the target. A processing device may activate the light emitter and receive the signal from the optical detector.

Perturbed oscillatory kinetics electrochemistry methods include methods of determining an electrochemical response of a test coupon to a mechanical load. Such methods include applying a cell of electrolyte solution to a test region on a test coupon, contacting the electrolyte solution with a counter electrode, and applying a mechanical load to the test coupon to produce a deflection event. Additionally, methods include measuring a pre-event value of an electrical parameter of the test coupon, before applying the mechanical load, and measuring a post-event value of the electrical parameter, after applying the mechanical load. Methods include determining an electrochemical response of the test coupon to the mechanical load based on the post-event value and the pre-event value.

A device for improving the accuracy and precision of measuring equipment changes due to corrosion, erosion, build-up of material, and combinations thereof. Increased control over the placement and removal of a coupon within the equipment is provided. Embodiments of the coupon provide multiple approaches for such measurements such as e.g., weight changes, thickness changes, inspection and analysis of the contacting surface of the coupon, and combination. Improved measurements with coupons using probes such as e.g., ultrasonic transducers is also described.

A system for determining a corrosion level of a pipeline includes a corrosion coupon received from the pipeline, a database, a first computer, a second computer, a neural network, and a third computer. The database includes existing data indicative of corrosion of a plurality of previously analyzed pipelines. The first computer receives corrosion data of the corrosion coupon and uploads the corrosion data to the database. The second computer uploads calculations performed on the corrosion data to the database. The neural network receives the corrosion data and the calculations from the database and outputs a corrosion level of the pipeline based on the corrosion data and the calculations. Further, the neural network is trained on the existing data from the plurality of previously analyzed pipelines so that the corrosion level is based on a combination of the corrosion data, the calculations, and the existing data. Finally, a third computer receives the corrosion level and generates a report of the corrosion level of the pipeline.

To monitor corrosion in multiphase fluids pipelines, a first pipe is fluidically coupled to extend perpendicularly away from a bottom portion of a multiphase hydrocarbons pipeline. The multiphase hydrocarbons include oil, gas and water. The first pipe is fluidically coupled to a T-shaped pipe subassembly including a second pipe and a third pipe attached to the second pipe to form a T-shape. A hydrocarbon sample of the multiphase hydrocarbons is drawn into the first pipe. Gas in the hydrocarbon sample separates gravimetrically from oil and water in the hydrocarbon sample. The hydrocarbon sample is flowed from the first pipe through the T-shaped pipe subassembly. The hydrocarbon sample is analyzed using a corrosion coupon attached to one end of the third pipe and a corrosion probe attached to another end of the third pipe. A level of corrosion of the pipeline is determined based on results of analyzing the hydrocarbon sample.

Systems and methods for measuring corrosion rate of an equipment material are provided. A system may comprise a corrosion probe body for insertion within an interior of the equipment through which corrodant fluid flows. At least one sensor on the corrosion probe body includes an ultrasonic source configured to provide an ultrasonic signal into the probe body material, and a receiver configured to receive reflections of the ultrasonic signal from the probe body material and generate electrical response signals indicative of the travel time of the ultrasonic signal. A heat exchanger may be placed in fluid communication with the probe body to deliver heated or cooled fluids to the probe body. A processor is configured to process the electrical response signals and produce corresponding corrosion data.

Systems and methods for measuring corrosion rate of an equipment material are provided. A system may comprise a corrosion probe body for insertion within an interior of the equipment through which corrodant fluid flows. At least one sensor on the corrosion probe body includes an ultrasonic source configured to provide an ultrasonic signal into the probe body material, and a receiver configured to receive reflections of the ultrasonic signal from the probe body material and generate electrical response signals indicative of the travel time of the ultrasonic signal. A heat exchanger may be placed in fluid communication with the probe body to deliver heated or cooled fluids to the probe body. A processor is configured to process the electrical response signals and produce corresponding corrosion data.

Embodiments of disclosure generally relate to corrosion sensors for storage tank applications, using corrosion responsive members and sensors to monitor corrosion in storage tanks, and methods for monitoring corrosion in a storage tank using the corrosion sensors. In one embodiment, a corrosion sensor for a storage tank comprises one or more sensors located on a non-process side of the storage tank and one or more corrosion responsive members located internal to the one or more sensors. The one or more sensors are configured to monitor a change in one or more physical properties of the one or more corrosion responsive members. Data from the corrosion sensor may be monitored locally or transmitted over a network and monitored remotely.

The present invention refers to a procedure which includes the following objectives: a) To determine the morphology of the micro and nanocavities produced by chemical and/or microbiological corrosion in metallic materials, in the space of three dimensions as well as the effective advance of corrosion, the true length of corrosion cavities and their associated parameters: corrosion vectors, corrosion intensity and determination of the cavities diameter/true length of corrosion ratio, applying scanning electron microscopy (MEB) techniques, and analytic, gravimetric and volumetric formulations; b) To quantitatively determine the rate of chemical and/or microbiological corrosion in metallic materials, through their volumetric and gravimetric properties; and c) To obtain a graphic interface to access the numeric information and the micrographs in a simple and friendly manner. More specifically, the present invention is related to the laboratory procedures, analytic expressions, devices, procedures and calculations required to characterize the micro and nanocavities of coupons and biocoupons, caused by chemical and/or microbiological pitting and uniform corrosion.