... as the overpressures generated by vapour cloud explosions caused by the ignition of flammable clouds. These consequences have been combined with historical leak frequency data and ignition probabilities to calculate probabilistic explosion loads for critical locations on the platform, allowing the operator...

... for deep sea pipelines at cessation of production is presented to highlight the practicability of the methodology presented. The Multi Criteria Decision Making analysis involves weighing different failure modes against probable risk factors based on expert judgement and existing literature...

...Normal processes Here we define an anomaly and, conversely, a normal process. We are operating in the space of multidimensional vectors x (each vector representing an observation) in n -dimensional space. An anomaly is defined as any observation with an extremely low probability of being...

... visualization probability exhibition clean-up cartellieri absorbance operator reservoir Introduction Since the early 2010 downhole fluid sampling and analysis technologies are not only available with wireline tools but a new generation of logging-while-drilling (LWD) sampling tools has been...

... geothermal presents a unique opportunity, with relatively few constraints to satisfy (e.g. target depth, lateral length). This study uses this freedom in trajectory design and quantifies the extent that various wellbore positioning techniques can increase the probability of intersection while minimizing...

... analysis result consequence topside structure degradation mechanism integrity management inspection structural failure inspection planning probability jacket structure risk-based approach safety large-scale topside structural system society of petroleum engineers structural condition...

... of the model is the ability to predict corrosion hotspots while quantifying uncertainties. The model uses probabilities based on objective data as well as subject matter expertise, which makes analytical techniques in business accessible to a wide range of users. With a case study we illustrate how BNs can...

... Optimization Index probability society of petroleum engineers Drilling Dysfunction dysfunction movement feature Introduction Recent advances in drilling technologies, rig instrumentation and data aggregation systems have set the stage for significantly improved drilling rates as well as reduced...

... program inspection leakage current state statistical model corrosion depth increase inspection result full line inspection asset owner society of petroleum engineers probability Introduction Background The Gjøa platform platform is a semi-submersible floating production facility...

... compliance with the pressure containment philosophy, i.e. “burst critical” or “no burst”, and the associated probabilities of pipeline failure due to bursting. Generally, a probabilistic analysis will be performed using existing models that predict the burst capacity of straight sections of pipe under...

... for quantifying risk using a Reliability Based Model (RBM). Actual data on valves' integrity and status, sourced from an electronic well integrity database, was used in the RBM to determine the probability that the valves will operate on demand. The availability of the valves was determined and quantitatively...

... Intelligence lateral application service company drilling operation junction single well operator installation probability multiple junction personnel wellbore multilateral installation equipment design operational decision Background Alexander Grigoryan, a Russian drilling engineer...

... project reliability design goals. strategic planning and management specification supplier project management sea trial design verification ROV Artificial Intelligence criteria ROV system high reliability requirement probability assembly software society of petroleum engineers...

... and gas producing region. Upstream Oil & Gas asset and portfolio management inspection default information endorsement interval operational safety production efficiency safety valve Asset Integrity frequency optimum endorsement interval maintenance procedure probability assessment...

... probability society of petroleum engineers Introduction In the past 10 years of what has been named the unconventional oil and gas revolution the word “risk” has been used by all stakeholders to either promote or oppose what is now become a huge industrial undertaking in North America, a situation...

... Abstract Detection coverage plays an essential role in defining the capacity of a fire and gas system to perform properly when required ( ISA-dTR84.00.07 2008 ). The concept seems clear: As the probability of a sensor detecting a hazard increases, so does the likelihood that fire and gas...

.... frequency sonar airgun array Upstream Oil & Gas information operation Reservoir Characterization seismic offshore operation assessment peak pressure SEL society of petroleum engineers potential impact probability ERMC risk management spe 124301 exposure marine mammal environmental...

... certain. entrainment rate platelet technology falloff test spe 96312 society of petroleum engineers platelet choke leak pipeline infrastructure batch enhanced recovery injection leak site foinaven field flow loop testing probability deployment waterflooding simulation water...

... The risks associated with applying new technology are highest in the downhole sector because the conditions are worst and the consequences have the highest costs. Therefore, qualification of downhole equipment is particularly important. o reduce risk and increase the probability of success...

... probability reliability pipeline manifold spe 96757 barrier valve choke upstream oil & gas availability voting logic actuator valve subsea system operation Whilst the choke is not part of the high integrity protection system, it is essential to have a suitably reliable pressure reducing...