استخدام طريقة الحقن الكيميائي ASPلزيادة عامل الإزاحة النفطي في حقل ديرو(سوريا)

  Authors

Mosab AlBredi

 


Abstract

This work was conducted to study the feasibility of using ASP Chemical injection as Enhanced oil recovery method to increase the recovery factor from the Syrian oil fields At the beginning a Literature Review of the enhanced oil recovery methods in general was conducted, especially chemical methods, including ASP solution method ( lab studies and
field projects related to this method), After studying reservoir characteristics of Syrian oil fields and the data were correlated with the requirements ASP chemical injection applications, a suitable field was selected ( Diero field for lab experiments), and samples of the field pay formation and fluids were prepared, and their chemical and physical properties were defined. In the lab experiments, 14 types of surfactants, 7 types of polymers, and 6 types of alkaline were used, chemical and physical parameters of their solutions were determined, to determine the optimum concentration for each component in the injection system ( if were injected separately ), then the optimal concentrations of their mixed solution in the formation ( ASP ) which can achieve the lowest interfacial tension, and on the other hand the maximum viscosity. Since studying the phase behavior is very important for displacement mechanism explanation, as well as correlation the displacement and phase behavior results with field testing are considered of the crucial factors in the success of ASP chemical injection. In this view the effect of addition every component of ASP solution on ASP solution/oil miscibility, the effect of formation salinity and  temperature on the mentioned property were studied. As a result of this study the optimum concentrations of ASP solution components (that are selected in the previous step) were determined from the phase behavior point of view ( e.i the concentrations that meet the minimum multiphase area and maximum single phase area). In the next step the chosen solution was injected in formation rock model which simulate the reservoir formation of the field in different methods and patterns , and the results of ASP solution injection were compared with dual component arrangements injection trials such as: water injection Then the optimal volume of the ASP solution slug to be injected in the  reservoir was determined. Finally economic study was conducted, included selection of pilot model of the field, determination of volume of injected chemicals, suggested plan of chemical injection sequence, in addition to design of suggested injection pattern, then the cost of chemical to be injected in the model was calculated, and the expected oil  production volumes from the pilot after ASP solution slug injection. As a result from the above mentioned, a very important group of results were obtained and classified at the end of this study

  Keywords

Alkaline- Surfactant-Polymer- Screening criteria- Displacement-Station- Flooding Permeability-Porosity-Phase Behavior-Single Phase-Miscibility-Solution-MixtureChemicalEOR-InterfasialTension-SurfaceTension-Viscosity-Conductivity-TurbidityAdsorption-Share Rate-Optimum Concentration-Anionic-Non Anionic-Simulation-Oil Recovery-Pilot-Slug-Cores-Recoverability-Water Percent-Injection-Economical- Cash water.

 

 

الملفات المرفقة

Syrian Private University - Petrol Engineering @ 2024 by Syrian Monster - Web Service Provider | All Rights Reserved