A variety of optimization problems associated with oil production involve cost functions and constraints that require calls to a subsurface flow simulator. In many situations gradient information cannot be obtained efficiently, or a global search is required. This motivates the use of derivative-free (non-invasive, blackbox) optimization methods. This chapter describes the use of several deriva...

Purpose. To develop a technology to increase the oil recovery of formations using injection polymer compositions. Methodology. For this study, practical methods were used such as enhanced stimulating technologies, systems based on water-soluble acrylamide, and emulsion-polymer technology. achieve conformance control, which was prerequisite for testing, thorough selection wells carried out, well...

EXECUTIVE SUMMARY The objective of this document is to present a detailed technical guidance document for use by spill responders for the bioremediation of marine shorelines and freshwater wetlands contaminated with oil and oil products. Technical personnel who are responsible for designing and operating field bioremediation processes as well as consultants and equipment manufacturers will also...

We study a conformally coupled scalar-tensor theory with quartic potential possessing local conformal symmetry up to boundary term. show that requiring the restoration of full fixes counterterms render on-shell action finite. The building block resulting is covariant tensor which constructed out metric and scalar field it has same weight as Weyl tensor. This allows us obtain for sector in close...

The wild species field cress (Lepidium campestre), belonging to the Brassicaceae family, has potential to be developed into a novel oilseed- and catch crop, however, the species needs to be further improved regarding some important agronomic traits. One of them is its low oil content which needs to be increased. As far as we know there is no study aiming at increasing the oil content that has b...

MP: Melting point prediction from OPERA (OPEn saR App) models. 1.2.Other related models: No related models 1.3.Software coding the model: OPERA V1.02 OPERA (OPEn (quantitative) structure-activity Relationship Application) is a standalone free and open source command line application. It provides a suite of QSAR models to predict physicochemical properties and environmental fate of organic chemi...

VP: Vapor pressure prediction from OPERA (OPEn saR App) models. 1.2.Other related models: No related models 1.3.Software coding the model: OPERA V1.02 OPERA (OPEn (quantitative) structure-activity Relationship Application) is a standalone free and open source command line application. It provides a suite of QSAR models to predict physicochemical properties and environmental fate of organic chem...

We develop a Born-Infeld type theory for gravity in any dimension. We show that in four dimensions our formalism allows a self-dual (or anti-self dual) Born-Infeld gravity description. Moreover, we show that such a self-dual action is reduced to both the Deser-Gibbons and the Jacobson-Smolin-Samuel action of Ashtekar formulation. A supersymmetric generalization of our approach is outlined. Key ...

The high-speed swirling flow field in the cyclone oil-gas separator will cause the breakup of oil droplets, thus reducing the separation efficiency. In this paper, the performance of an oil-gas cyclone separator was investigated through both numerical simulations and experiments with considering the breakup of oil droplets in oil-gas cyclone separators. The gas flow field was simulated using th...