... enhanced recovery concentration ion concentration figure 7 scenario Introduction Oil and gas production is accompanied by temperature and pressure decrease in reservoir and production system. These condition changes can destabilize the production fluids such that inorganic scales and organic...

... to sulphate scale formation relative to what would have been expected with only seawater injection. The expected trend of reducing barium ion concentration with time was reversed with produced water breakthrough (enhancing the barium and strontium ion concentrations) leading to a much longer period over which...

... stability completion brine precipitation stability precipitant deepwater gulf wax remediation concentration permeability novel seawater-based fracpac fluid inhibitor brine mexico Background and Introduction MultiZone FracPac Logistics Wells with multizone completions have grown...

... observation are discussed in the paper. As halite concentrations exceeded saturation levels, downhole water injection was applied in one of the wells to stay below the saturation levels, due to water evaporation caused by drawdown. However, the reduction of salinity decreases the solubility of barium sulfate...

... scale remediation wax remediation operation carbonate reservoir pelican oil field scale management permeability saturation deposition productivity paraffin remediation intervention scale management calcite precipitation acid injection concentration breakthrough spe-218720-ms cormorant...

... discharge ba-rich composition drillstem/well testing drillstem testing geology condensate reservoir fw 2 maureen formation mey formation geologist complex reservoir et-14z point separator fraction everest field et-03 concentration fw 1 formation sm 3 everest well et-14z Introduction...

... ongoing to produce a trendline which shows how the minimum inhibitor concentration (MIC) for a specific product change with variable SRF. This case study shows how accurate conventional scale predictions can be used in conjunction with data visualisation and a new parameter, the scale risk factor (SRF...

...) issues. This study focuses on improving the scale prediction of barite in the condition for calcium concentration up to 2 m with pressure up to 18,000 psi, temperature up to 200°C, and TDS (total dissolved solids) over 300,000 mg/L. A flow-through apparatus capable of simulating HTHP conditions...

... reservoir calcium carbonate deposition carbonate rock rock type seawater utilisation composition geological subdiscipline concentration reaction carbon capture calcium concentration Introduction CO 2 is a greenhouse gas (GHG) that causes global warming, climate changes, and ocean...

... asphaltene inhibition asphaltene remediation wax inhibition production monitoring scale remediation artificial lift system concentration brine condensation bakken alkalinity operator experiment spe-213882-ms dissolved ion trend modeling production control wax remediation ammonium paraffin...

... it numerically can also be very challenging unless a very good start estimate is available. Also, if the electro neutrality equation, which is one of the fundamental equations for aqueous systems, is used, one will find that the uncertainty in the analyzed concentrations of several of the main ions is much...

... when added into a pre-adsorbed layer of polymer showed a surprising behavior not reaching the equilibrium after ~ 72 hours regardless of the concentration tested, continuously increasing over time. To the author's knowledge, the DETPMP equilibrium has been reported to be around 24 hours or less...

... Abstract Gas condensate fields often have multiple reservoirs with different water chemistries, and they contain varying concentrations of carbonates and CO 2 in solution. One challenge associated with these types of fields is that calcium carbonate scale may form during gas production when...

... scale remediation carbonate mineral asphaltene inhibition asphaltene remediation oilfield chemistry deposition application mechanism equation turbulent flow dtpmp concentration inhibitor experiment evaluate calcite scale inhibitor brine inhibitor concentration caco 3 subsea oilfield...

... wax remediation oilfield chemistry concentration inhibitor phosphonate compatibility polymer incorporation paraffin remediation brine compatibility polymer 3 scale inhibition mineral wax inhibition halite brine scale inhibitor cation brine novel scale inhibitor mineral scaling...

... if the concentration in the produced brine is above a certain concentration, known as MIC (Minimum Inhibitor Concentration), normally a few ppm. The retention level is crucial in determining the squeeze treatment lifetime, particularly at low concentrations. It is generally accepted that the retention is governed...

... corrosion production chemistry remediation of hydrates well integrity asphaltene remediation oilfield chemistry materials and corrosion paraffin remediation concentration wax inhibition pipeline corrosion flowline corrosion tomson steel corrosion xin wang hydrate remediation caco 3 feco 3...

... subsurface storage reservoir simulation flow in porous media climate change brine evaporation porosity chemical flooding methods saline aquifer scenario saturation geologist halite injection permeability salinity mineral enhanced recovery precipitation injectivity concentration mackay...

... remediation enhanced recovery geological subdiscipline wax remediation hydrate remediation reservoir characterization asphaltene inhibition asphaltene remediation hydraulic fracturing wax inhibition reservoir geomechanics orientation concentration deployment exchanger deposition optimization...

... affinities to the selected inhibitor. Such factors often challenge the squeeze design with brine incompatibility, water-loading, and low inhibitor return concentrations in the flowbacks, leading to higher frequency of treatments especially when higher inhibitor MECs are required. This study details four...