Download Applied petroleum reservoir engineering by B. C. Craft PDF

By B. C. Craft

Данное издание посвящено проблемам разработки месторождений нефти.
The first bankruptcy includes a evaluation of fluid and rock homes. numerous new correlations are offered during this bankruptcy that would support these doing computing device modeling. bankruptcy 2 features a improvement of the final fabric stability equation. the subsequent 4 chapters current info at the diversified reservoir varieties which the unique textual content taken care of within the first 4 chap¬ters. New fabric has been additional in different locations all through those 4 chapters. bankruptcy 7 provides a dialogue of 1 part fluid stream. The radial diffusivity equation is derived and strain temporary research is brought. bankruptcy eight includes new fabric on water inflow. either edgewater and backside- water drives are mentioned. bankruptcy nine is an replace of the unique bankruptcy 7 but additionally includes a few new fabric on waterflooding and more suitable oil restoration options. bankruptcy 10 is a brand new bankruptcy 011 historical past matching. it is a proposal to which every reservoir engineer must have a few publicity. The method taken within the bankruptcy is to supply an instance of a historical past fit by way of combining the Schilthuis fabric stability equation with a fluid circulate equation.

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Applied petroleum reservoir engineering

Данное издание посвящено проблемам разработки месторождений нефти. the 1st bankruptcy encompasses a evaluation of fluid and rock houses. numerous new correlations are awarded during this bankruptcy that may support these doing laptop modeling. bankruptcy 2 features a improvement of the overall fabric stability equation.

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Angewan dt werden darf (vgl. auch Abschn. 7). Den 95%-VB für Lambda erhält man nach I Lu ~ A ~ L 0 (27) Für n=O gilt Lu=O und L 0 =3,285. Die Werte L" und L 0 sind für 1i~1 Tafel I, Spalte 6, zu entnehme n. Für mehr als 200 Versuche läßt sich der 95%-VB ftir A. 1 [-n-. approximieren. Für den 90%-VB wird 1,96 durch 1,64 ersetzt, für den 99%-VB durch 2,58. Beispiele : 1. In 17 Minuten sind 26 Ereignisse beobachtet worden. Die 95%-VB ftir A. 17 min und A 1mm sind 42 16,77 ~ A17min ~ 37,67, 16,77/17 ~ Almin ~ 37,67/17 bzw.

Der einseitige t-Test ist insbesondere für kleines n gegenüber Abweichungen von der Normalverteilung sehr empfmdlich. tv;a;einmtlg Beispiel: Prüfe HA: 11 1 =t=11 2 auf dem 5%-Niveau: n 1 =30, n 2 =30, x =42,76, x =40,21, 1 si=33,44, 2 s~=22,55, [F-Test: Gleichheit der Variauzen (S. ] ~ 42,76-40,21 t = = 1,867' 33,44 + 22,55 30 v = 2 · 30-2 =58 Freiheitsgrade. 1 atel 1, Spalte 8, liefert für v=5~8 ein t 58 ; 0 , 05 =2,002. Da t= 1,867 <2,002=t 58 ; 0 , 05 , läßt sich anband der vorliegenden Stichproben die Nullhypothese 11 1 = 11 2 auf dem 5%-Niveau nicht ablehnen.

1,4284, k 0 =0,6471. 95%VB: 2/1,4284~ u 2 ~ 2/0,6471 bzw. 1,40~ u 2 ~ 3,09 und 1,18~u~1,76. == V2(n-1) Für den 90%-VB wird 1,96 durch 1,64 ersetzt, für den 99%- VB durch 2,58 (vgl. auch Tab. 18 in Abschn. 2). 6 approximieren. Für V~0,15 ersetze man 1,96 in (24) durch 1,96 1 + 2 V 2 • Der Satz unter (23 a) gilt selbstverständlich auch für (24). Beispiel: Berechne den 95%-VB für y anband von n=25 und V=0,3. 1,96V1+2·0Y=2,13, 2,13/V2(25 -1)=0,307; o,3;1,3o7 =0,2295; 0,3/0,693=0,4329, 95%-VB: 0,23~y~0,43.

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