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Keywords: injection
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Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29887-MS
... (ADAPT) and dispersion tendencies of asphaltenes in treated and untreated crude oil samples at both laboratory and field environments. The remediation job was conducted through a multi-step process involving a coiled tubing clean out, solvent-soak, and continuous AI injection through downhole chemical...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29928-MS
...Abstract Abstract Hydrate formation in production and control lines has been a serious issue in the oil industry, especially in the deepwater offshore market. This article focuses on a compact temporary plant designed to be assembled on offshore rigs for heating and injecting high flow rate...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29924-MS
... the results, a new coefficient is incorporated into the model to consider the impacts of the disconnected oil clusters during the cyclic injection. In addition, the end-of-cycle residual oil saturation (Som), which was required based on the Stone model, is no longer needed in this modified model...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29939-MS
... was adapted based on the studies performed by Lie (2013 ) and improved with filling the voids with spheres with controlled grain size to represent a porous medium and increase the permeability and porosity of the fracture. To study the effect of injection of low salinity waterflooding, a forced displacement...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29920-MS
.... To prevent all possible injection issues that were experienced earlier in the industry globally (early 1990's), a novel "design, execute, evaluate approach was introduced, this enables us to deliver reliable, single sourced start to finish solutions Subsurface drilling waste injection has been and continues...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29946-MS
...- spec produced gas was injected into a remote subsea gas well injector to avoid gas flaring, in line with TOTAL's flaring policy. Methanol was continuously injected for hydrate inhibition. Unfortunately, at the end of the operation, a hydrate plug occurred in the 12-inch gas export line. Through a multi...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29730-MS
...Abstract Abstract Asphaltenes precipitation during carbon dioxide injection to enhance recovery has been considered as one of the major challenges in the tertiary production phase. How CO 2 would change the asphaltenes structure is still unknown. The present study investigates the effects...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29736-MS
... these concepts and relate them to data from an actual deep offshore field. Estimates of field dispersivity by history matching tracer production profiles are based on the analytical solution for the convection-diffusion equation. Gas tracers injected and produced from wells located in the field area were...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29764-MS
...Abstract Abstract This paper presents the finite element analysis of salt-creep behavior on deepwater wells with trapped annulus, considering cooling effects caused by injection operations. In addition, this effect was considered coupled with salt-creep behavior and its influence on casing...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29769-MS
... with gas injections are being considered as EOR techniques. For paraffinic oils, such as alkanes, the presence of CO 2 decreases the IFT between oil and brine. However, for Pre-Salt oils with high concentrations of asphaltenes and resins, the effect of CO 2 injection on the oil-brine IFT has not been...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29705-MS
... maintaining full compatibility with the existing upper completion design. Once the well was completed and the tree installed, injectivity testing was successfully performed confirming ICD functionality was re-established. The ICD completion design saved the operator a minimum of 12 hours online rig time...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29805-MS
... reinjection capability. The reservoirs are thick but present 4 orders of magnitude in the variations of permeability (Fig. 1 left), including presence of high porosity/high permeability units that we anticipate will channel part of the gas injection, but are generally impossible to map from 3D seismic...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29822-MS
...Abstract Abstract Water injection is a traditional method of secondary recovery used in the petroleum industry. Typically, even with the injection of water supplementing the initial energy of the reservoirs (primary recovery), less than 50% of the original volume of oil is produced. By altering...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29836-MS
... problem in producing wells, and prediction models from thermodynamic and kinetic aspects have been provided, and methods have been addressed in the industry to solve this problem. In this study, calcite deposition in the reservoir during CO 2 injection processes is evaluated deterministically. Limited...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29883-MS
... fields under (i) water injection, (ii) gas injection, and (iii) simultaneous water and steam injection. Our data-driven algorithm learns the underlying reservoir dynamics from 3 sets of time-series, namely, (i) injection-rate, (ii) liquid and oil-rate, and (iii) number of producers. That is all the data...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29848-MS
... showed enhancment in production; however by changing the tubing size from 3-1/2 inch to 4-1/2 inch further magnified the performance of gas lift injection in terms of production. Based on design, gas lift equipment was installed through workover and the well was put on gas lift injection. The detailed...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29931-MS
... (IFT). Much higher concertation of surfactant than the optimally designed concentration in the EOR formulation has to be injected in order to account for the surfactant losses in the reservoir which often makes the whole EOR process uneconomical. Although extensive research has been performed...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29916-MS
... industry, which often depends on laboratory analysis or numerical simulation to estimate various reservoir behaviors. This research, aims to predict the relative permeability curves with wettability alteration effect, given a concentration of the ionic composition in water injection. For this, machine...
Proceedings Papers

Paper presented at the Offshore Technology Conference Brasil, October 29–31, 2019
Paper Number: OTC-29908-MS
...Abstract Abstract This work, is based on the multiscale coupling between molecular simulations and reservoir simulators, to explore the brine composition for enhanced oil recovery via the low salinity water injection (LSWI) processes. To achieve this goal, molecular simulations were performed...
Proceedings Papers

Paper presented at the OTC Brasil, October 24–26, 2017
Paper Number: OTC-28051-MS
... capital cost intensity and return on investment are key value drivers in a low oil price environment. daisy chain configuration rigid riser reservoir upstream oil & gas infrastructure flexible line remediation manifold flowline subsea concept injection riser subsea installation...

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