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Keywords: stability
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Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 12–14, 2021
Paper Number: SPE-205570-MS
... assurance challenges. Organic deposition, such as waxes and asphaltenes, were found to increase fluid viscosity and worsen highly stabilized emulsions. Crude oil/water emulsions also cause increased viscosity and needed to be addressed as part of any holistic solution. Each issue was studied...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 12–14, 2021
Paper Number: SPE-205561-MS
... in the laboratory (API RP 63). For instance, the recommended process for thermal stability for chemical takes 90 days. Hendraningrat et al. (2013) conducted a sequential top-down workflow to achieve optimum concentration as shown in Figure-7 as post nanoparticles characterization. It consumed time in months...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 12–14, 2021
Paper Number: SPE-205588-MS
... chemistry upstream oil & gas thickening time stability wellbore permeability fluid loss control drilling fluid formulation bcg-200l interlayer cement slurry clastic reservoir Introduction The developed clastic rock reservoir in Tarim oilfield in China is the main oil and gas reservoir...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil & Gas Conference and Exhibition, November 17–19, 2020
Paper Number: SPE-202388-MS
.... To counterbalance these phenomenon through effective shale stability, some degree of membrane efficiency is needed, where the mobility difference between water molecules and solute species exists. This mobility difference contributes to the shales’ ability to act as a partially selective or ‘leaky’ membrane system...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196407-MS
... the mechanism(s) of ionically modified brine as wettability modifier and foam stabilizer. We use the PHREEQC software to obtain the equilibrium concentrations and surface potential and to study the effect of salinity and carbon dioxide gas pressure for a given choice of the surfactant (i.e. carboxylic acid R...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196368-MS
... ppm) 30.4 38.6 69.0 90.2 AI-2 (500 ppm) 27.0 48.5 75.5 98.7 From the results presented in this study, it can be seen that the presence of impurities in the form of organic paraffin can have significant influence on the overall asphaltene stability within the crude oil medium...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196433-MS
... development were proposed. pipeline transient behavior calculation liquid holdup operation Reservoir Surveillance slug catcher compensator stability production control production logging flow rate pipeline gas velocity production monitoring Upstream Oil & Gas regime pipeline movement...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 29–31, 2019
Paper Number: SPE-196386-MS
... Abstract In traditional production environments, clay expansion in the near wellbore area may hinder drilling and completion operations. However, most of the above stabilizers cannot meet the actual requirement because the general clay stabilizer cannot migrate through small voids, and can also...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192051-MS
... This paper describes the development of a wellbore-strengthening package that efficiently seals the fractures and prevents their propagation, strengthens the wellbore, and prevents pressure penetration. The package strengthens wellbore stability while drilling, making it possible to drill...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192118-MS
... Recent work has shown that nano-sized crosslinked polymeric hydrogels (nanogels) have similar abilities of interfacial tension reduction and emulsion stabilization because their huge surface energy provides an irreversible adsorption of nanogels at oil-water interfaces and steric hinderance...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192113-MS
.... The compatibility test between the surfactants and silica nanoparticles in 10,000 mg/L NaCl solution at 90 °C was conducted to ensure their adaption to harsh reservoir conditions. Also, the effects of silica nanoparticles on the IFT and emulsion stability of the surfactant solution as well as wettability...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-192135-MS
.... The stability of our NS formulations, their effect on IFT and phase behavior with crude oil were discussed. Our formulation meets the requirements of a good surfactant candidate; compatible with high salinities and high temperatures, effective in reducing the IFT even at low concentrations, the raw materials...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-191982-MS
... was evaluated in the laboratory with a wide range of formation permeabilities and injection conditions using the fluid loss apparatus, permeameter, and formation response tester. The viscosity and stability of the fluid in different water salinity and concentrations were also investigated. Overall...
Proceedings Papers

Paper presented at the SPE Asia Pacific Oil and Gas Conference and Exhibition, October 23–25, 2018
Paper Number: SPE-191869-18APOG-MS
... drill bit stability contact force interbedded formation drilling equipment candidate well reliability drilling efficiency drillstring design drill pipe selection directional drilling Introduction Operator Objective The Operator set following key objectives: Maximize Return...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186213-MS
... types. The successful application of this system has verified its overall stability and its adaptability to the extremely cold environment in the northeast China. The "one driving two" hydraulic pumping units had been applied to 22 wells, and the test results show that both the process flow...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186181-MS
... in liquid CO 2 fracturing, as it greatly affects the stability of fluid and sand supply. Temperature and pressure sensors are positioned at 12 critical nodes in a liquid CO 2 fracturing field test for tight oil to provide insight on CO 2 fluid phase evolution behavior. Then an analysis of phase behavior...
Proceedings Papers

Paper presented at the SPE/IATMI Asia Pacific Oil & Gas Conference and Exhibition, October 17–19, 2017
Paper Number: SPE-186225-MS
... gelation time, gel strength and thermal stability, were studied, and the optimum composition was selected by study of gelation performances. Results show that with increase of the concentrations of components, gelation time became shorter and gel strength was improved. And the gel system was stable after...

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