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EN
The main elements of the statistical model of packed hole assemblies (PHA) design for drilling holding sections in conditions of information uncertainty are formalized and described. A constraint system has been given for the angle maintenance conditions of wellbore direction and dynamic stability of bottom hole assembly (BHA) lateral vibrations. The influence of the information uncertainty of some factors (angle, parameters of the drilling practice, presence of local caverns, etc.) on risk indicators has been analyzed according to the results of the numerical calculations. It has been determined that the risks of angle maintenance disturbance are significantly influenced by the angle and weight on the bit (WOB), and dynamic stability conditions, such as angle and rotation frequency. Risks of multi-supported BHAs which have been designed for conditions of minimizing bit side force, dynamic stability and include 4-6 stabilizers.
2
Content available Using of Entropy at Estimation Business Risks
EN
The possibility and expediency of estimation of risk factors based on fundamental positions of information and entropy are grounded. In accordance with the principle of addiction, the possibility of using the H-criterion as an indicator of business uncertainty is shown. The algorithm of risk estimation of these investments is offered.
PL
W artykule omówiono algorytm optymalnego wyboru przedsięwzięcia inwestycyjnego na podstawie wybranych kryteriów jakościowych z uwzględnieniem niepełnej informacji, dotyczącej wartości kryteriów jakościowych, takich jak: atrakcyjność, nowatorstwo, niepowtarzalność, zgodność z trendem, funkcjonalność, konkurencyjność, potrzeby rynku.
EN
An article discusses algorithm estimate the choice of optimum- undertaking investment on the fiands on qualitative criteria in condition of the uncertainty: the desirability, the innovative activities, the non-reccurence, the agreement with the trend, the functionality, the competitiveness, needs of the market.
PL
W artykule omówiono algorytm szacowania funduszy na finansowanie inwestycji przedsiębiorstwa z uwzględnieniem niepewności informacyjnej, która dotyczy poszczególnych składników tworzących fundusze inwestycyjne, tj.: zysk, podatek, odsetki, zysk netto, dywidendy.
EN
An article discusses algorithm estimate funds on the habilitation investments the firm in condition of the uncertainty with the regard the inquiry uncertainty concerning ach components forming investments funds; the profit, the task, interest, the net gain, dividends.
EN
Both organization and individuals deal with and manage knowledge. Considering the basic approach, we distinguish two principal clusters: tacit and explicit knowledge. The knowledge management is targeted at making the organization knowledge operation more effective and providing the right people with relevant information at the right time. Knowledge and information uncertainty components have become one of crucial assets of any company or organization. Their crucial potential consists in smart knowledge management handling, proficiency and art to fit the risky market needs better than competitors.
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