نتایج جستجو برای: dt wireline log

تعداد نتایج: 95618  

Journal: :CoRR 2016
Daniel Khashabi Kent Quanrud Amirhossein Taghvaei

We consider the problem of strongly-convex online optimization in presence of adversarial delays [1]; in a T -iteration online game, the feedback of the player’s query at time t is arbitrarily delayed by an adversary for dt rounds and delivered before the game ends, at iteration t+ dt − 1. Specifically for online-gradient-descent algorithm we show it has a simple regret bound of O (∑T t=1 log(1...

Journal: :iranian journal of earth science 0
md. ahosan habib geological survey of bangladesh, 100 pioneer road, dhaka, 1000, bangladesh abu reza md. towfiqul islam department of disaster management, begum rokeya university, rangpur, 5400, bangladesh

detailed log facies studies of miocene succession in the well rashidpur-04, rashidpur structure, surma basin were carried out by integrating wireline log and limited core sample data in order to reconstruct the paleoenvironments of deposition. based on the analysis of the log motifs, grain size, sand/shale ratio and major change in gamma ray log motifs, two major depositional sequences were ide...

1998
J. B. Conrey A. Ghosh

In 1918 Hardy and Littlewood 2] proved that Z T 1 j(1=2 + it)j 2 dt T log T and in 1926 Ingham 4] showed that Z T 1 j(1=2 + it)j 4 dt 1 2 2 T log 4 T: In general, it is conjectured that if k > 0, then there exists a c k > 0 such that Z T 1 j(1=2 + it)j 2k dt c k T log k 2 T: No value has been suggested for c k if k is diierent from 0,1, or 2. In this paper, we present evidence to support the

The well Sarai Sidhu-01 is located on Punjab Platform, Central Indus Basin, Pakistan. Punjab Platform is the eastern part of Central Indus Basin, and tectonically it is the stable portion of Indus Basin, which was least affected during Tertiary Himalayan orogeny. This study attempts to decipher reservoir potential for hydrocarbon exploration. It aims to delineate a subsurface hydrocarbon bearin...

Journal: :Geosciences 2022

Characterization of caprock shale is critical in CO2 storage site evaluation because the acts as a barrier for injected buoyant plume. The properties shales are complex and influenced by various processes; hence, it challenging to evaluate quality. An integrated approach therefore necessary assessing seal integrity. In this study, we investigated Lower Jurassic Drake Formation from proposed Aur...

ژورنال: :پژوهش های دانش زمین 0
علی دشتی دانشگاه تهران عبدالحسین امینی دانشگاه تهران ابراهیم سفیداری دانشگاه تهران محمد یزدانی شرکت ملی نفت مناطق نفت خیز جنوب

رخساره لاگ به مجموعه واحدهای رسوبی گفته می شود که بر اساس مشخصات قابل ثبت در نمودارهای چاه نگاری از هم تفکیک شده اند. جهت تعیین رخساره های لاگ در سازند ایلام میدان منصوری از نمودارهای چاه نگاری سرعت صوت، تخلخل نوترون، چگالی و فوتوالکتریک به عنوان ورودی روش های شبکه عصبی خودسازمانده، k میانگین و آنالیز خوشه ای سلسله مراتبی استفاده شده است. از میان این روش ها، روش شبکه خودسازمانده بعنوان روش بهین...

2015
JONATHAN H. HUGGINS KARTHIK NARASIMHAN ARDAVAN SAEEDI VIKASH K. MANSINGHKA V. K. MANSINGHKA

To obtain the SVA objective from the parametric MJP model, we begin by scaling the exponential distribution f(t;λ) = λ exp(−λt), which is an exponential family distribution with natural parameter η = −λ, log-partition function ψ(η) = − ln(−η), and base measure ν(dt) = 1 [1]. To scale the distribution, introduce the new natural parameter η̃ = βη and log-partition function ψ̃(η̃) = βψ(η̃/β). The new ...

Journal: :Theoretical and Applied Fracture Mechanics 2021

The effect of loading rate (dK/dt) on the hydrogen environment-assisted cracking (HEAC) behavior Monel K-500 immersed in 0.6 M NaCl and polarized to −950 −1200 mVSCE was assessed via a slow-rising stress intensity (K) testing framework at dK/dt ranging from 0.2 20 MPa√m/hr. Comparative an inert environment (dry N2 with RH < 5%) 0.1 4 MPa√m/hr revealed clear dK/dt-dependence local plasticity eff...

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