... and multiple tracer campaigns. The pilot response was different from what was initially predicted by detailed simulation models. Upon the start of water flood, an early water breakthrough was observed with limited oil gain. Additionally, some wells experienced water injectivity impairment, and the results...

... reservoirs. WAG injections are often used to enhance gas mobility control in gas based EOR processes. However, their application encounters challenges, especially in highly heterogeneous reservoirs, where early gas breakthroughs frequently occur. As a potential solution, Polymer-Assisted-Water-Alternating...

... to penetrate deeper into the formation. Extensive laboratory tests including core flooding and X-ray scanning—compare three retarded acid systems to assess their performance under controlled conditions. Key metrics, such as pore volume to breakthrough (PVTB) and wormhole characteristics, are evaluated...

... mixture predictions. A validation technique was suggested to verify the impact of lumping and pseudo-component overlapping on oil recovery and injected fluid breakthrough. Significant differences in the molecular weight of C36+ and the measured viscosity were observed through lab evaluation using...

... with S orm increases by more than 20 saturation units as the pressure decrease from 4250 psi to 2700 psi; 2-CO 2 breakthrough was much earlier at lower pressure which leads to more CO 2 recycling, 3-The recovery factor is strongly affected by pore volume injected, however, the effect of the CO 2...

... drillstem/well testing reservoir simulation production logging log analysis completion installation and operations reservoir surveillance production control drillstem testing allocation production monitoring fluid dynamics pvt measurement contribution breakthrough saturation subzone...

...) per well. The producing reservoirs are supported with strong aquifer drive and leads to rapidly increasing water rates in wells post water breakthrough. Riser base gas lift is utilized in all producing risers to help optimize production. geology reservoir simulation reservoir surveillance...

... breakthrough. Autonomous ICD (AICD) technology functions similar to an ICD initially (i.e., balancing flux across the length of horizontal wells, effectively delaying breakthrough) but has the additional benefit of restricting the flow of unwanted fluids upon breakthrough. Multiple AICD case histories...

... to cover a large area. The benefits of installing this technology in the pilots are to: To develop an understanding of steam breakthrough zones along the pay-zone interval of production wells To help improve the understanding of the steam injection profile for steam-injector wells To help improve...

... is compromised, SD will not yield the anticipated optimum volumes. This paper will therefore focus on steam breakthrough mitigation in thermal operations and various approaches to manage this inevitable risk. Steam breakthrough (SBT) occurs when steam finds its way from an injector through the reservoir...

... of the gas injection projects include vertical and areal conformance, gas breakthrough, and reservoir pressure decline. The key objective of the MGI surveillance is to establish residual oil saturation in gas-flooded rock. The key issues and challenges for the surveillance include low porosity, complex...

... of oil. This suggests that injecting polymer slugs below the oil-water contact could potentially result in a delay in the breakthrough of polymer and the arrival of the associated oil bank, which in turn could have significant detrimental effects on the economics of a commercial polymer project...

.... These projects provide the infrastructure for long term development of the area and a number of follow-on projects, which will make use of the existing facilities or lead to commissioning of larger facilities. Drillstem Testing injector depletion production enhanced recovery breakthrough reservoir...

... pilot producers on a regular basis for lab analysis to construct produced tracer curves. These tracer curves were then characterized analytically and compared with the original pilot performance forecasts that were generated using a reservoir sector model. Tracer data showed reasonable breakthrough...

... was conducted to test the potential for steam-flood or T-GOGD. This paper describes the experiment's design and discusses the results. The steam mapping experiment sought to identify wells with the slowest condensed steam breakthrough to offset wells and the lowest loss of condensed steam out of zone. Because...

... polymer oil response, water-cut reversals and polymer breakthroughs. Models are then complemented by Pressure Fall-Offs, tracer tests and PLTs to capture uncertainties in fracture growth and areal and vertical conformance. The HM model is then used to predict polymer performance. Significant insights...

... achieved for cores with permeability less than 10 mD. An innovative experimental method was also developed to achieve high initial oil saturation in tight rocks. chemical flooding methods oil bank saturation surfactant concentration foam quality breakthrough surfactant mobility control...

..., the recovery factor could reach 40%. The key risks for MGI are identified as early gas breakthrough, poor sweep, and limited injectivity. The pilot injection phase is designed to prove the MGI concept as well as to address these risks. Learnings and data acquisition from the pilot injection phase...

... can be applied in other regions of the globe where chemical EOR has so far not been considered or has been screened out because of high viscosity. chemical flooding methods Suffield polymer flooding production well Upstream Oil & Gas taber Oil Viscosity breakthrough OOIP surfactant...

... of downhole measurement and control in thermal EOR projects than has been possible to date. enhanced recovery breakthrough injection well spe 154760 sagd steam-assisted gravity drainage steam injection producer operator thermal method upstream oil & gas bitumen intelligent well...