Horizontal Drilling of the Cardium Sands, within the Pembina Field, Drayton Valley, Alberta - How to Circumvent a Thief Zone

I. Cooke, K. Gee, A. Bessel

CSPG Special Publications

..., A. Bessel 1995 216 216...

Effects of tool eccentricity on acoustic logging: Theory and field example

Bo Rao, Yuanda Su, Shengqing Li, Xiaoming Tang

International Meeting for Applied Geoscience and Energy (IMAGE)

..., respectively. The analytical solution of the problem is obtained by applying the translational addition theorem for cylindrical Bessel functions...

Development of offshore microtremor array exploration

Yoshikazu Matsubara, Mikihiro Imai, Akeshi Hiraide

International Meeting for Applied Geoscience and Energy (IMAGE)

... error between observed coherencies and theoretical Bessel functions. Blue color indicates small error and red color indicates large error. Red dots...

Abstract: Modelling Near-field Effects in VSP-based Q-estimation Part 1: Theoretical Developments; #90171 (2013)

Arnim B. Haase and Robert R. Stewart

Search and Discovery.com

... is the horizontal slowness, ξ is the vertical slowness, J0 and J1 are zero-order and first-order Bessel functions of the first kind, r is the range...

Abstracts: Accurate Declipping Hybrid Algorithm for Ground Penetrating Radar Data; #90173 (2015)

Akshay Gulati and R. J. Ferguson

Search and Discovery.com

... combination of Kaiser Bessel Non uniform fast Fourier transform (NFFT) and Projection on Convex Set (POCS) to restore clippings. This algorithm is tested...

SPE 49025: Geostatistical Analysis of Petrophysical Data and Modeling of Fluid-Flow Effects in Carbonate Outcrops

James W. Jennings, Jr., Stephen C. Ruppel, W. Bruce Ward

West Texas Geological Society

... to 2,700-ft [810-m] lateral trends. The short-range heterogeneities can be modeled with K-Bessel semivariograms having asymptotic power-law behavior...

How to Design Onshore Pipeline Under Coal Seam Area

Yohanes Kristianto, Redo Waworuntu, Muhdi Sujatmiko, Wawan Gunawan

Indonesian Petroleum Association

... Zone 48, Datum Djakarta (Batavia), Bessel 1841) 325000 320000 315000 SUBAN#5 SUBAN#7 SUBAN#3 A' 9720000 A 9720000 SUBAN#2 SUBAN#6 SUBAN#4...

Application of New Type Curves Using Fractal Concept for Analyzing the Interference Test Data in Dieng Geothermal Reservoir

Doddy Abdassah, I. Nengah Suabdi, Leksono Mucharam, R. Sumantri

Indonesian Petroleum Association

...) are modified Bessel functions of the second kind of order (v+1) and (v), respectively. Equation (8) above is developed by involving several assumptions...

Integral equation based wellbore preconditioner for 3D electromagnetic response modeling

Marcus Elliott, Mark Everett

International Meeting for Applied Geoscience and Energy (IMAGE)

... Bessel functions. We extracted the modified Bessel function values using a MatLAB code containing 1331201 interpolation points and stored them within...

Spherical Wave Model Tests of VSP-Based Q-Estimation Techniques

Search and Discovery.com

... Bessel functions of the first kind, r is the range (horizontal offset between source and receivers), and in is the ray angle in layer n (at the current...

Wellbore Heat Transmission: A Simple Solution Technique

A. J. Durrant, R. K. M. Thambynayagam

Indonesian Petroleum Association

... equations, enabling Ramey to give the following correlations for the temperature of the injected fluid/gas as functions of time t and depth Z. Liquid Gas...

Monopole slow formation shear head wave Greens function in a LWD borehole acoustic configuration

Tim Geerits, Stefan Schimschal, Anna Swiatek

International Meeting for Applied Geoscience and Energy (IMAGE)

... at the borehole fluid/formation ( r  RH ) and OD borehole fluid/tool interface ( r  RT ). I kn  and Kkn  represent the modified Bessel functions...

Multipole borehole acoustics in the presence of an constraints elastic tool

Tim Geerits, Stefan Schimschal, Anna Swiatek

International Meeting for Applied Geoscience and Energy (IMAGE)

... mode) in the quadrupole excitation on the quadrupole mode. This is done through computation of the relevant Green’s functions (excitation functions...

Some Inference Problems in Paleocurrent Studies

David J. Sanderson

Journal of Sedimentary Research (SEPM)

...(k) (1) where I0() is a bessel function with an imaginary argument. The distribution involves two statistics, which is the mean direction and , which...

Water Influx Predictions in Reservoirs with Aquifer Drive Using the Two-Phase Reservoir Integral Type Pseudo-Pressure with Applicability in Gas Hydrate Reservoirs; #42006 (2017)

Melvin Kome, Mohd Amro

Search and Discovery.com

.... 595-609. [Io(z)] - The Wolfram Function Site, Integral of Modified Bessel Function of the First Kind. Website accessed February 5, 2017. http...

Pebble Orientation in Relation to Cross-Stratification a Statistical Study: NOTES

Shibdas Bandyopadhyay

Journal of Sedimentary Research (SEPM)

...)] if the density function of , f() is given by f(a) = [exp k cos (a - v)]/[2·I0(k)] 0 <= < 2 where 0<=v2, 0<=k< and I0(k) is a Bessel function of purely...

Abstract: The Effects of Fluid Viscosity on Seismic Response: A Model Study; #90171 (2013)

Fereidoon Vasheghani, Larry Lines, and Joan Embleton

Search and Discovery.com

... of quality factor, is given by (Dvorkin et al, 1994): (3) where in the above (4) (5) (6) (7) (8) In these equations, J denotes a Bessel function...

AVO Modeling of Monochromatic Spherical Waves: Comparison to Band-Limited Waves; #41567 (2015)

Charles Ursenbach, Arnim Haase

Search and Discovery.com

... that monochromatic waves have oscillatory, non-decaying weighting functions, and thus sample a wide range of plane waves. In contrast, typical Rayleigh wavelets...

Statistical Analysis of Orientation Data

Thomas A. Jones

Journal of Sedimentary Research (SEPM)

.... Sedimentary Petrology, v. 33, p. 393-410. BOWMAN, FRANK, 1958, Introduction to Bessel functions. Dover Publications, Inc., New York, 135 p. CURRAY, J. R...

Extended Abstract: Water Influx Predictions in Reservoirs with Aquifer Drive Using the Two-Phase Reservoir Integral Type Pseudo-Pressure with Applicability in Gas Hydrate Reservoirs

Melvin Kome, Mohd Amro

Africa Energy and Technology Conference, 2016

......A4: 1 The Laplace transform of the above equation in combination with the Schapery representation gives: 12 ̂ ∂2 [pφD ] ∂rD 2 + ̂ 1 ∂[pφ...

Characterizing Gas Transfer from the Inorganic Matrix and Kerogen to Fracture Networks: A Comprehensive Analytical Modeling Approach

Jie Zeng, Jishan Liu, Wai Li, Lin Li, Yee-Kwong Leong, Derek Elsworth, Jianchun Guo

Unconventional Resources Technology Conference (URTEC)

... fundamental issues in shale gas extraction modeling. Existing gas transfer functions can be classified into the following categories: (1) direct single...

Estimation of In-Situ Wettability using Multi-Frequency Electromagnetic Measurements

Yuteng Jin, Siddharth Misra, Dean Homan

Unconventional Resources Technology Conference (URTEC)

... assume Bond number is small, where gravity force is negligible. 𝐾𝐾0 and 𝐾𝐾1 is modified Bessel function of the second kind of order 0 and 1...

Quantitative comparison of active and passive surface wave data obtained from distributed acoustic sensing (DAS) and three-component geophones

Koichi Hayashi, Hayato Nonaka, Peter Hubbard, Yasuhiro Yokota, Kensuke Date, Kazuhiko Masumoto, Takaaki Taira, Kenichi Soga

International Meeting for Applied Geoscience and Energy (IMAGE)

... of Petroleum Geologists Comparison of active and passive surface wave data obtained from DAS and geophone coherences shaped Bessel functions and dispersion...

Solid substitution: theory versus experiment

Yongyang Sun, Maxim Lebedev, Vassili Mikhaltsevitch, Stanislav Glubokovskikh, Stefan Iglauer, Boris Gurevich

Petroleum Exploration Society of Australia (PESA)

...) −𝝁 𝒇 , 𝛼 = 𝑟/ℎ is an inverse aspect ratio, and 𝐼 𝑘 denotes a modified Bessel function of the first kind and of the order 𝑘. Octodecane experiment...

Seismic Modeling of Reservoir Heterogeneity Scales: An Application on Gas Hydrate Reservoirs

Search and Discovery.com

... distribution functions (Kamei et al., 2005): p(V ) = ⎛ (V − μ1 )2 ⎞ (1 − w1 ) ⎛ (V − μ2 ) 2 ⎞ w1 exp ⎜ − exp ⎜ − + ⎟ ⎟ 2 2σ 12 ⎠ 2σ 2 ⎠ 2πσ 1 2πσ 2 ⎝ ⎝ (1...