Carboxylate Modified Flooding Technology Techno-economic Evaluation In Gudao Dong Block Of Shandong Shengli Oilfield

Gudao Oilfield is the most important one of the main oil and crude oil production accounts for 15% of the total output of Shengli Oilfield, after 30 years of development, most of the oil has entered the high water and special high water development stage, stable water flooding more and more difficult. Difficult to explore new reserves, increasing year by year, reserve-production imbalances has become increasingly clear. Therefore, improving the oil field oil recovery to increase the recoverable reserves is the core task facing the oil field development.Modification of natural carboxylic acid salt is a new enhanced oil recovery surfactant, which is a byproduct of vegetable oil modification is made with a good wash oil capacity, low cost, more environmentally friendly, do no harm reservoir; and it is for non- homogeneous cores, the role of a certain profile, and wash oil resistant and can be effectively solved after polymer flooding problem further enhance oil recovery.Carboxylate modified oil field project is to adjust the program, carried out in the field are mainly tertiary oil recovery polymer flooding method of economic evaluation of items, its principles can belong to the oil industry, "Extension" project, the main use of scholars "with and without project Comparative Law "on its evaluation. First calculate the "have modified carboxylate oil project" and "non-modified carboxylate oil project" in both cases the benefits and costs, and through the incremental benefit and incremental costs, and further calculation of incremental financial IRR, NPV, payback period and other financial evaluation.In this paper, comparative law and whether the project return on investment analysis, by calculating the Shengli Oilfield, the Eastern islands remaining recoverable reserves of oil, modified carboxylates and evaluation of oil recovery oil modified carboxylate economic and environmental benefits to analyze the modification of carboxylic acid salt in an old oil field to promote the application of enhanced oil recovery prospects, the last argument carboxylate modified oil projects in the economic viability of resource industries.