Characterizing the Near Surface with VSP and Well Logs

Search and Discovery.com

... velocity of 520 m/s was assigned for depths less than 3.9 m (i.e. depth prior to sonic measurements). Since the sonic and density logs were sampled...

Mapping Thin Sand Reservoirs in Eastern India

U. K. Guru, M. Krishnamurty, V. C. Ramalah, E. W. Wiltse, Robin Westerman

Southeast Asia Petroleum Exploration Society (SEAPEX)

... an accurate relationship between depth and time for the well. Any log profile can then be scaled to linear two-way time and compared directly...

Three-dimensional seismic geomorphology and analysis of the Ordovician paleokarst drainage system in the central Tabei Uplift, northern Tarim Basin, western China

Hongliu Zeng, Robert Loucks, Xavier Janson, Guizhong Wang, Yiping Xia, Bingheng Yuan, Ligui Xu

AAPG Bulletin

.../s) and a low-API gamma-ray reading, whereas the overlying Silurian sandstone-shale units have a low-velocity (average 4800 m/s) and a high-API gamma-ray reading...

Identification of Distribution Sandstone Reservoir Zone and Hydrocarbon Fluid Using Extended Elastic Impedance (EEI) in Talang Akar Formation at Azzura Field, North West Java Basin

Annisa Dian Afsary, Adi Susilo, Bayu Dwijatmiko, Agung Dwi Alfianto

Indonesian Petroleum Association

... of the Elastic Impedance parameter with a more varied angle, which is -90° – +90° with equation by Whitecomb et al. (2002): Where, , α = wave velocity P...

A Case History of Geoseismic Modeling of Basal Morrow-Springer Sandstones, Watonga-Chickasha Trend: Geary, Oklahoma--T13N, R10W: Section 3. Stratigraphic Models from Seismic Data

William A. Clement

AAPG Special Volumes

... which allowed the construction of a predicted geologic model using an interval velocity--density versus depth distribution--from which reflection...

Case Study - Advanced Seismic Acquisitions and Processing Results in Indonesia

Michele Buia, Bakhrudin Mansyur, Herastya Iman Priyonggo

Indonesian Petroleum Association

... of surveys were modelled using ray tracing on the Aster velocity-depth model. In particular, Eni Indonesia generated three single azimuth surveys...

Seismic HC Reservoir Prediction: A (Critical) Review on the Determination of Lithological Parameters from Seismic Data

Burkhard Buttkus

Geological Society of Malaysia (GSM)

... of depth to layer thickness (Schneider, 1969). Figure 8 shows the expected error of interval velocities as a function of the RMS-velocity error...

CSPG/CSEG/CWLS Convention 2006; - Abstracts, #90211 (2015).

Search and Discovery.com

Increasing Wells Lifetime by Using PAR VALVE to Overcome Sand Settling Problems at Pertamina EP Asset 1 Field Jambi

Adnan Syahrul Ramadhan, Edwar, Alip Triwanto

Indonesian Petroleum Association

... was discovered by Jambi Oil in 1981 through exploration drilling in Ketaling Timur-1 (KTT-001) which was drilled to a depth of 2210 m, penetrating the peak area...

ABSTRACT: Ray Tracing in Two-Dimensional Inhomogeneous Media, by Y. Xu and John A. McDonald; #91035 (2010)

Search and Discovery.com

Chapter 14: Gravity, Seismic Reflection, and Tomographic Constraints on the Subduction-to-Strike-Slip Transition at the Southeastern Caribbean Plate Boundary Zone

Tricia G. Alvarez, Paul Mann, Carlos A. Vargas, Lesli J. Wood

AAPG Special Volumes

... Research, v. 102, p. 3211–3214. Nakajima, J., and A. Hasegawa, 2006, Anomalous low-velocity zone and linear alignment of seismicity along...

Imaging of Subsurface Velocity Structure on Volcanic Area of South East Java: An Application of Passive Seismic Ambient Noise Tomography for Sub-Volcanic Hydrocarbon Exploration

Pongga Wardaya, Erlangga Septama, Vida Irine Rossa, Richie Rahmat Pratama, Rusalida Raguwanti

Indonesian Petroleum Association

... velocity profile through an inversion technique. From the inversion result we obtain the subsurface swave velocity structure down to a depth of 6 km...

Well Management Strategy Through Integrated Production Modeling: Study Case Well B-5

Budi Khoironi, Amega Yasutra, Dedy Irawan

Indonesian Petroleum Association

... of flux limit to replace pressure drawdown limit since velocity of produce fluid through sand screen is the main variable affecting sand control failure...

Correlation of TOC CoreMeasurements to Wireline Logs across the Delaware Basin

Ian Deighton, Dave Smith, James Keay

Unconventional Resources Technology Conference (URTEC)

.... The best correlation of core TOC to wireline log measurements was achieved using a simple linear regression from only the density log (Figures 1 & 2...

A robust approach for shear log predictions using deep learning on big data sets from a carbonate reservoir for integrated reservoir characterization projects

Aun Al Ghaithi

International Meeting for Applied Geoscience and Energy (IMAGE)

... to right Depth log, compressional sonic log (DT), shear log (DTSM), gamma ray log (GR), deep resistivity log (ILD), neutron porosity log (NPHI), and the bulk...

Unconventional Reservoir Characterization Using Azimuthal Seismic Diffraction Imaging

Dmitrii Merzlikin, Sergey Fomel, Xinming Wu, Mason Phillips

Unconventional Resources Technology Conference (URTEC)

... by diffraction-based migration velocity analysis, combine them in matrices of the form given in equation 2 and smooth matrices’ components along...

Long Climatic Time Series from Sediment Physical Property Measurements

Timothy D. Herbert, Larry A. Mayer

Journal of Sedimentary Research (SEPM)

... the mechanical and chemical processes that occur during burial and lithification. We demonstrate that routinely made continuous Gamma Ray Attenuation Porosity...

Use of Artificial Neural Networks to Estimate Well Permeability Profiles in Sumatra, Indonesia

A. G. Bruce, P. M. Wong, Tunggal, B. Widarsono, E. Soedarmo

Indonesian Petroleum Association

... equation, it also provides maximum and minimum permeability estimates. We use the range value (maximum minus minimum values) as a reliability indicator...

A Multi-Disciplinary Approach to Evaluating Development Strategies in the Marcellus to Address Well Spacing, In-fill Timing and Operational Sequencing

Bilu Cherian, Habib Guerrero, Richard Pratt, Tracy Lombardi, Zach Swanson, Olubiyi Olaoye, Santhosh Narasimhan, Yulia Faulkner

Unconventional Resources Technology Conference (URTEC)

... equation. The Basal Marcellus (very high Gamma Ray/ GR rock interval) contains the highest porosity, less clays, more Calcite, and the best gas...

The Effects of Deposit Feeding Oligochaetes on Particle Size and Settling Velocity of Lake Erie Sediments

Peter L. McCall

Journal of Sedimentary Research (SEPM)

...The Effects of Deposit Feeding Oligochaetes on Particle Size and Settling Velocity of Lake Erie Sediments Peter L. McCall 1979 Vol. 49 No. 3...

Quantification of Illite Content in Sedimentary Rocks Using Magnetic Susceptibility--a Rapid Complement or Alternative to X-Ray Diffraction: RESEARCH METHODS PAPERS

David K. Potter, Patrick W.M. Corbett, Stuart A. Barclay, R. Stuart Haszeldine

Journal of Sedimentary Research (SEPM)

... (computer tomography) imaging, NMR (nuclear magnetic resonance) imaging, and linear X-ray imaging, showed that most of the samples in this study are close...

Colour Image Transformations of Wireline Logs as a Medium for Sedimentary Profile Analysis

D.R. Collins, J.H. Doveton

CSPG Bulletin

... by the equation: s = a0 + a1d + a2d2 + a3d3 Where s is the cubic trend in log response and d is depth position. The filter window is made up of (2m...

Burial Diagenesis and Specific Catalytic Activity of Illite-Smectite Clays from Vienna Basin, Austria

W. D. Johns , T. E. McKallip

AAPG Bulletin

... directly with depth. Catalytic Activity and Diagenesis Fifteen of the fine clay samples had been previously characterized by x-ray diffraction, cation...

Sequential vertical gas charge into multilayered sequences controlled by central conduits

M. Foschi, J. A. Cartwright, and C. W. MacMinn

AAPG Bulletin

...., 1997) because of the lack of shear velocity data. The gamma-ray log was used to compute the volume fraction of shale, VSH, based on the empirical...

Microseismic Event Location Using Multiple Arrivals: Demonstration of Uncertainty Reduction

Zhishuai Zhang, James W. Rector, Michael J. Nava

Unconventional Resources Technology Conference (URTEC)

... based on sonic logs, it is limited to the depth where the wells are situated. However, analysis on this velocity model shows that head wave...