... drift consists by frequent additions of strong acid during the test. The objective of this work is to compare NACE TM0177 Solution B, EFC 16 solution with and without pH adjustment and HLP solution. Thermodynamic calculations for predicting the saturation pH, hydrogen permeation tests, corrosion rates...

... vessels, knockout vessels, meter runs, sulfate treatment, pig launchers / receivers, etc. When creating the groups, each component will need to be reviewed and some specific information needs to be recorded for use later in the inspection and fitness-for-service calculations specifically the engineering...

... reached if a proven means of calculating pH2S can be demonstrated . It must be noted that the charge gas composition is different in either of the two charging procedures (5)(6). (TM0177-2016 gives no guidance with respect to determining the charge gas composition). Nevertheless, TM0177 3 insists...

... of RP B401 did not describe the CP calculation procedures in any detail. CP design parameters related to the performance of galvanic anodes were defined as typical ranges and design current densities determining the CP current demand of bare steel surface were only provided for a limited number...

... and competitive inhibition. INTRODUCTION scale predictions are based upon simple indices. 1,2,3,4 indices are calculated from total analytical values and do not account for the ion associations and common ion effects prevalent in higher dissolved solids waters. calculations estimate carbonate...

... integrity flowline corrosion Subsurface Corrosion chloride level calculation permission manuscript electrode macrocell development Publication Division concentration application macrocell current uhpc uhpc repair repair concrete substrate concrete rebar texas 77084 Houston repair...

..., analyze and evaluate risk associated with each subsea pipeline. The risk calculation combines the Probability of Failure (PoF) and the Consequence of Failure (CoF). The PoF calculations considered different factors, which believed to have direct impact on the likelihood of pipelines failure including...

... on a pipeline. power line calculation frequency dependence piping design impedance variation Upstream Oil & Gas Conductor texas 77084 interference pipeline amplitude harmonic current permission Houston piping simulation phase relation Publication Division positive sequence sequence...

... and powdered) at test temperature. Gas loading of the wheel bombs was performed at room temperature using electrolyte calculations that predicted the final test pressures at the test temperature. Results showed the WA was marginally effective but only when the CI was at low dosage: Once the CI reached its...

.... This process involves many inefficiencies and hazards that can be mitigated by loading the gases prior to heating. This modified process requires complex calculations using the volume and mass balance of the target test environment. In this paper the charging procedure will be demonstrated. Two case histories...

..., with protection levels in the intervening span either assumed or speculated. In this essay, the theoretical calculation method of current distribution on HDD will be shared. The laboratory and field experiment results show that the soil resistivity is the main influencing factor of the cathodic protection current...

... ABSTRACT A computational approach based on thermodynamic and kinetic calculations (using commercial software) to assess the sensitization propensities of titanium and niobium stabilized stainless steels (UNS S32100 and UNS S34700, respectively) was investigated. The thermodynamic part...

... inspection or equipment replacement. Pipeline Corrosion reservoir simulation flowline corrosion Modeling & Simulation well integrity Monte Carlo simulation materials and corrosion Subsurface Corrosion Simulation api 581 Publication Division Inspection data inspection calculation texas...

... of time. flowline corrosion materials and corrosion riser corrosion resistance Pipeline Corrosion well integrity Upstream Oil & Gas Publication Division texas 77084 corrosion rate permission real time system Subsurface Corrosion calculation sensitivity application Houston metal...

... The Evolution of AC Predictive and Mitigation Software John Dabkowski, Ph.D. Electro Sciences, Inc. 7021 Foxfire Drive Crystal Lake , IL 60012 USA [email protected] ABSTRACT Approximately forty years ago the first software for calculating AC induced potentials on buried pipelines...

... assessment of the corrosion barrier allows some measurements and calculations of corrosion and oxidation rates and prediction of maintenance needs for the corrosion barrier. With the use of best practices and skilled inspectors, reliability gains can result. However, there are limitations of this visual...

... inhibition Corrosion Management concentration texas 77084 production system reservoir hydrate inhibition Upstream Oil & Gas remediation of hydrates carbonate reservoir society of petroleum engineers calculation solubility Houston equation Reservoir Conditions Iron Sources in Sour Wells...

... ABSTRACT The corrosion effects of high AC current density on pipelines are known. The installation of mitigation systems to reduce high AC levels has flourished. Monitoring of AC has increased to protect pipelines from this threat. AC current density has been calculated using AC voltage, soil...

... ABSTRACT A valid Computational Fluid Dynamics (CFD) based approach for corrosion rate calculation can be a strong tool in identifying erosion-corrosion or flow-induced corrosion hot spots. Damage tends to occur in geometries such as chokes, elbows and jumpers that are typically encountered...

... with and without the buffer solution system. Finally, a suitable composition of the solution from the view point of buffer capacity is proposed by using thermodynamic calculations. Key words: Corrosion resistant alloy, Localized corrosion, Sulfide stress cracking, pH, Buffer solution, Acid, Carbon dioxide...