Experiments of amorphous films of chromium and manganese show that the samples exhibit resistivity minima of the Kondo type. An argument is proposed whereby, due to structural disorder, a small fraction of magnetic sites within the otherwise magnetically ordered system, could be magnetically free. This would then allow a resistivity minimum similar to that observed for dilute magnetic impurities in a non-magnetic matrix.
Coupling Financial Profit Indicators to a Net Cash Flow Model for Production Sharing Contracts Robert S. Thompson; Robert S. Thompson Colorado School of Mines Search for other works by this author on: This Site Google Scholar John D. Wright John D. Wright Questa Engineering Corporation Search for other works by this author on: This Site Google Scholar Paper presented at the SPE Annual Technical Conference and Exhibition, New Orleans, Louisiana, September 1998. Paper Number: SPE-49179-MS https://doi.org/10.2118/49179-MS Published: September 27 1998 Cite View This Citation Add to Citation Manager Share Icon Share Facebook Twitter LinkedIn Email Get Permissions Search Site Citation Thompson, Robert S., and John D. Wright. "Coupling Financial Profit Indicators to a Net Cash Flow Model for Production Sharing Contracts." Paper presented at the SPE Annual Technical Conference and Exhibition, New Orleans, Louisiana, September 1998. doi: https://doi.org/10.2118/49179-MS Download citation file: Ris (Zotero) Reference Manager EasyBib Bookends Mendeley Papers EndNote RefWorks BibTex Search Dropdown Menu toolbar search search input Search input auto suggest filter your search All ContentAll ProceedingsSociety of Petroleum Engineers (SPE)SPE Annual Technical Conference and Exhibition Search Advanced Search AbstractWith the increased emphasis on shareholder earnings and financial "profit," project evaluators are facing more questions about the impact of projects on financial net income. This paper demonstrates a method of coupling traditional project net cash flow analysis to incremental project pro forma financial statements for a production sharing contract. The coupling of a project net cash flow model with pro forma financial profit indicators provides an additional measure of profitability and information that may enhance project selection. In production sharing contracts, the cost recovery feature may enhance incremental project financial net income in early project years when intangible expenditures are significant.P. 567 Keywords: depreciation, upstream oil & gas, earnings, financial profit indicator, net income, revenue, ncf, contractor, profitability, cash flow Subjects: Asset and Portfolio Management This content is only available via PDF. 1998. Society of Petroleum Engineers You can access this article if you purchase or spend a download.
The use of different methods of obtaining theoretical models of amorphous transition elements is discussed, and in particular the nature of the seed used at the centre of a cluster is considered. It is concluded that a regular or nearly regular tetrahedron having an atom at each corner is the most satisfactory seed so far tried.
A study of turbulent free convection in a vertical channel with isothermal walls using a resistor-network framework is presented. The resistor-network formulation is advantageous in that it leads to a simplified presentation of the solution and reveals more details about the heat transfer phenomenon. The dQdT technique is used to evaluate the paired resistances that characterize the resistor network of a multi-temperature convection problem. This technique entails a baseline solution to the full set of governing equations and subsequent solutions to the energy equation with perturbed boundary conditions. In this paper, dQdT is for the first time applied to a variable-property turbulent convection problem. The low-Reynolds k-ε turbulence model was used to obtain baseline solutions which were validated against experimental data from the literature. dQdT was then applied to obtain the paired resistances. Sample results are presented for different heating scenarios and channel aspect ratios. This work is part of an ongoing research project on the resistor-network formulation of multi-temperature convection problems.
Conclusive evidence has been obtained to show that nickel may be electro-deposited to form a single crystal hexagonal structure, provided that correct bath conditions and suitable substrates are used. The measured lattice spacings of hexagonal close-packed nickel, a = (2·50 ± 0·01) Å, c = (3·98 ± 0·06) Å, agree well with the values expected. Tentative measurements of the magnetic anisotropy constants K 1 and K 2 have also been made and for films 500 Å thick have been shown to be respectively.
Abstract Thin films of iron, chronium, manganese and nickel have been prepared in ultra high vacuum at 4 K and examined by scanning electron diffraction. Amorphous structures have been identified in iron, chromium and manganese and their respective interference functions found to be similar to each other and to that for cobalt. An argument is given supporting the concept of a truly amorphous phase devoid of crystalline order, as distinct from a miorocrystalline array. This argument is based not only on experimental structural results but on computer-simulated models together with magnetic and electron transport measurements. No evidence was found of an amorphous phase in clean nickel films. Some explanations are suggested for the inconsistencies between the present and earlier work, particularly in the case of nickel and iron.
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