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Keywords: precipitation
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Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199291-MS
... researchers an intensive guide for present and future research. drilling fluid property Upstream Oil & Gas drilling fluids and materials HCl drilling fluid selection and formulation drilling fluid formulation drilling fluid chemistry acidizing acetic acid precipitation concentration...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199306-MS
... and IC to measure calcium, iron and sulfate ions in solution. The results showed that mixing lactic and gluconic acids at a 1:1 molar ratio provided the optimal results as no precipitation occurred at total acids strengths of 10 wt% and up to 27 wt%. Seawater usage caused calcium sulfate...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 19–21, 2020
Paper Number: SPE-199243-MS
... precipitation effective permeability Standalone sand screens have traditionally been deployed in solids-free screen running fluid. When elevated temperature or reactive clays are present, invert emulsion solutions are often preferred. Where possible, LSOBCF have been used; however, at a higher...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189519-MS
... scale remediation Production Chemistry paraffin remediation Hydrate Remediation hydrate inhibition water management oilfield chemistry scale inhibition asphaltene inhibition concentration polymeric scale inhibitor precipitate precipitation PFC experiment wax remediation wax...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189520-MS
... fluids, but it also happens naturally in form of scale precipitation which has been physically proved, and possibly fines migration which remains a theory yet to be verified. Several workflows, procedures, and research on the nature of the damage have been put in place to resolve the production loss and...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189543-MS
... Fluid loss equipment and procedures are described in API RP39. Compatibilities with the formation water was performed to ascertain the amount of precipitation and the types of salts produced. A dynamic tube blocking rig was used to examine the performance of the fluid at 300°F. See...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 7–9, 2018
Paper Number: SPE-189536-MS
... strength of the rock, whereas 2% brine solutions, especially 2% KCl, dissolve elements that could be the source of scales, fines migration, other types of undesired precipitations, as well as elements related to organic matter in the reservoir rock. A comparison of the dynamic and static elastic moduli and...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178953-MS
... Abstract Stimulating offshore sandstone formations with depleted reservoir pressure is a challenge. The conventional practices for sandstone acidizing are to pump pre- and post-flush hydrochloric acid to minimize precipitates from the main hydrofluoric acid reacting with the carbonates, and to...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178960-MS
... mining scale remediation Modeling & Simulation hydrate inhibition asphaltene inhibition wax inhibition asphaltene remediation remediation of hydrates paraffin remediation data quality oilfield chemistry scale inhibition precipitation chemical vendor dispersant concentration scale...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178977-MS
... Abstract Scale inhibitor (SI) squeeze treatments are applied extensively for controlling scale formation during oil production. The current research involves phosphonate/metal precipitate studies in the context of precipitation squeeze treatments. The main focus here is on the precipitation and...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178965-MS
... phenomena such as cation exchange in the reservoir resulting in decreased the recoveries. As waterfloods continue over decades, prevention of scale formation becomes a more significant factor that needs to be properly treated. The precipitation of inorganic scale is a major issue in injecting brines with a...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178980-MS
... had increasing problems of asphaltene deposition for a number of years. Asphaltenes present in a crude oil under normal reservoir conditions will start to flocculate and precipitate in the critical near-wellbore matrix as the reservoir pressure drops, which greatly reduces the productivity of the...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178956-MS
... Abstract Asphaltene precipitation is a common phenomenon in mature reservoirs that seriously impairs oil production. In high-temperature (HT) fractured carbonate reservoirs, the situation becomes critical when asphaltene precipitates at reservoir conditions, blocking the fractured production...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179033-MS
... are actually multicomponent in nature). Two brine chemistries were investigated including a sulphate-free formation brine and normal seawater. These investigations aided the definition of inorganic precipitation regions on the phase diagram as a function of brine chemistry. For the two brine...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-178999-MS
...-laden mineralogy formations up to 360°F. Corrosion Inhibition Upstream Oil & Gas corrosion inhibitor Sodium Exhibition oilfield chemistry acidizing flow test H2S management concentration precipitation Lafayette Louisiana sandstone aluminum Sandstone Formation Formation Damage...
Proceedings Papers

Paper presented at the SPE International Conference and Exhibition on Formation Damage Control, February 24–26, 2016
Paper Number: SPE-179040-MS
... Abstract Asphaltene precipitation during miscible CO 2 flooding can adversely affect the productivity of reservoirs during the course of oil recovery. The prevention of formation damage ensuing from asphaltene deposition in porous rocks often requires the use of chemical additives such as...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168147-MS
... wellbore or near-wellbore precipitation of paraffin. Excessive decline rates within the first year on production have been observed. A producer was experiencing paraffin deposition in the wellbore and suspected it to be the reason for production declines. Conventional treatments targeted at wellbore...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168139-MS
... consider prior to commissioning water injection in these challenging environments. scale remediation oilfield chemistry waterflooding remediation of hydrates inhibitor concentration paraffin remediation Hydrate Remediation Production Chemistry scale inhibition precipitation calculation...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168193-MS
... Upstream Oil & Gas viscosity bottle test fracturing fluid precipitation Water Use scale inhibitor hydration scale inhibitor 2 society of petroleum engineers inhibitor stability linear gel SPE Error spe 168193 produce water boron scale inhibitor 1 calcium content Hydraulic...
Proceedings Papers

Paper presented at the SPE International Symposium and Exhibition on Formation Damage Control, February 26–28, 2014
Paper Number: SPE-168196-MS
... reported. Some of these reports are discussed. Mitchell et al . (1980) reported serious plugging of the wells in the Forties field due to scales caused by mixing of Forties formation and injection waters and precipitation of calcium carbonate from due to variations in pressure and temperature in the...

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