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Keywords: pipeline
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Proceedings Papers
Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-049
... ABSTRACT It is known that for low liquid loading flows there is a critical velocity, below which liquid loading occurs. Pipelines are designed and operated to avoid liquid loading conditions, considering the constraints of these conditions. However, the characteristics of low liquid loading...
Proceedings Papers
Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-077
... the hydraulic simulator backbone. ExxonMobil Upstream Research Company (EMURC) has developed a number of custom tools that fully integrate with in-house and commercial flow simulators through these APIs. Demonstrated here, EMURC's proprietary Sand Transport Model has been used to manage decisions for pipelines...
Proceedings Papers
Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-119
... recoverable reserve onshore compression pipeline upstream oil & gas tieback distance water depth subsea tieback arrangement pressure drop recovery subsea processing technology tieback bhr group mpt2019 development option subsea processing Production recovery and economic performance...
Proceedings Papers
Carlos L. Bassani, Fausto A. A. Barbuto, Rigoberto E.M. Morales, Ana Cameirão, Jean-Michel Herri, Amadeu K. Sum
Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-201
... formation. The uncontrolled growth and agglomeration of these crystals can cause pipeline plugging, with production stop and related revenue losses, and thus such phenomenon is nowadays regarded as the main challenge in flow assurance (2). pipeline capillary wall slug flow kinetic model bhr...
Proceedings Papers
Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-345
... ABSTRACT The Gannet oil export pipeline is operating at relatively low flow rates. At these low flow rates, there is potential to have a flow regime with laminar flow instead of with turbulent flow. Therefore, the viscosity, or rather the rheological properties, of this oil are essential...
Proceedings Papers
Publisher: BHR Group
Paper presented at the BHR 19th International Conference on Multiphase Production Technology, June 5–7, 2019
Paper Number: BHR-2019-409
... fluids contain very little condensate and the pipeline flow is typically low liquid loading conditions at high water fractions. Extensive studies have been carried out during the last 5 years by the Equinor Tanzania Gas Development Project to verify multiphase flow models for our flow conditions...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-023
... ABSTRACT Wax deposition issue has become one of the primary Flow Assurance challenges for production and transportation of crude oil in the pipeline. The predictions of wax deposited thickness during various operations for crude oil export line and multiphase production line are imperatively...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-209
... ABSTRACT Transient multiphase pipeline simulators are seeing increasing application for live computation of oil and gas production pipeline and process flows. This study considers the performance of Wood Group's Virtuoso tool and three other commercially available simulators used widely...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-225
... ABSTRACT Low liquid loading conditions in wet gas pipelines are challenging to characterize due to a lack of high quality field data and potential for multiple numerical holdup solutions. Recently, experimental and modelling activities have been conducted to improve the accuracy of multiphase...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-243
... are given for start-up situations with varying liquid accumulated upstream the compression station as well as an incident where a hydrate slurry was generated at Mikkel. compressor subsea system flow assurance upstream oil & gas startup pipeline compressor speed subsea production equipment...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-363
... INTRODUCTION Sand accumulation in a pipeline could result in blockage and mechanical damage. Although pigging can remove accumulated sand, it can only be used when small amounts of sand are deposited. Another method is to use downhole sand exclusion systems. However, the difficulty...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-395
... ABSTRACT Large liquid volumes build up in gas-condensate pipelines when operated at low flow rates, so limited time is available before production needs to be restored or halted to manage liquid surges on ramp-up or restart. Although gas-condensate systems are rarely operated below...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-439
... shore. The reservoir fluids contain very little condensate and the pipeline flow is typically low liquid loading conditions at high water fractions. The key focus of the work presented at the previous BHR conference in 2015 was related to liquid accumulation. However, this work also revealed...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-501
... ABSTRACT In this study we investigate the development of a speed controlled pig in a low pressure pipeline. This is known to be a challenge due to the compressibility of the gas which can induce velocity surges of the pig. In order to reduce these velocity surges, a speed controlled pig...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 18th International Conference on Multiphase Production Technology, June 7–9, 2017
Paper Number: BHR-2017-551
... ABSTRACT The Prelude Floating Liquefied Natural Gas (FLNG) project is due for first gas in 2017 and other projects are in the pipeline to take up the FLNG concept. These indicate that FLNG is now seen as a viable solution to access remote gas resources, of varying size, avoiding...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-B1
.... The current study also investigates the distribution of the pseudo-slug frequencies along the pipe as well as their translational velocities as functions of inclination angle and superficial gas velocity. Introduction For an inclined pipeline, liquid accumulation takes place when the amount of momentum...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-E1
... Abstract An experimental study on air-water surge waves is conducted in the multiphase flow laboratory at NTNU. A special configuration of a 57 meter long test pipeline of 60 mm I.D. was prepared with 3 pipes and two bends. The waves were generated in a dip in the pipe close to the inlet after...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-G1
... Abstract The deep water gas development offshore Tanzania in East Africa is characterized by water depth of up to 2600 meters combined with a seabed consisting of deep, large scale canyons and steep inclinations towards the shore. The reservoir fluids are very dry and the pipeline flow...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-G4
... 2014.1 HD overpredicted the time needed to remove the liquid. Introduction Multiphase flow simulations of gas-condensate pipeline transport are a challenging task. Important properties are the pressure drop for high rates and liquid accumulation at low rates; factors contributing to determining...
Proceedings Papers
Publisher: BHR Group
Paper presented at the 17th International Conference on Multiphase Production Technology, June 10–12, 2015
Paper Number: BHR-2015-H3
... Abstract Subsea pipeline leakage can result in significant operational downtime and lead to severe environmental damage, along with considerable economic loss. This paper studies the flow behaviours and the potential of hydrate formation risks due to pipeline leakage in subsea natural gas (NG...
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