Integrated Geo-Computational Approach to Identify By-Passed Oil: A Case Study in Seruni Field, Sumatra

Muhammad Fauzi, Hazairin

Indonesian Petroleum Association

... at each depth and also interpolating temperature and pressure, from top to bottom of these wells. Some data such as NPHI, Density and Gamma Ray (GR) Logs...

Abstract: Improving Images below Shallow Gas Clouds with Full Waveform Inversion, Q Tomography and Q Migration: A Case Study from Offshore Myanmar; #90246 (2016)

Xiaodong Wu, Jingyu Li, Joe Zhou, Ronan Petton, Ian Anstey, Wai-Leong Lai

Search and Discovery.com

... serious wavefield distortion and amplitude loss. Standard ray-based tomography generally fails to capture the detailed velocity variation within...

Quantitative Evaluation of Hydrocarbon Saturation in Shaly Freshwater Reservoirs

Paul F. Worthington, Paul W. Johnson

Indonesian Petroleum Association

... equation takes the form of equation (4) but allows X to reduce with Cw below a critical value of Cw. Those that represent only a linear relationship...

Seismic Reservoir Characterization of the Bone Spring and Wolfcamp Formations in the Delaware Basin with Efforts at Quantitative Interpretation - A Case Study

Satinder Chopra, Ritesh Kumar Sharma, James Keay

Unconventional Resources Technology Conference (URTEC)

... volumes, a multiregression approach (Ray and Chopra, 2016) is used, wherein a target interval velocity log is modeled as a linear combination...

Origin of overpressure and pore-pressure prediction in the Baram province, Brunei

Mark R. P. Tingay, Richard R. Hillis, Richard E. Swarbrick, Chris K. Morley, Abdul Razak Damit

AAPG Bulletin

...) depth lie off the loading curve (Figure 7). However, the velocity-effective stress values return to the loading curve in the highly overpressured...

Overpressure Identification Using the Eaton Method on the Gumai Formation of Geragai Graben, Jambi Sub Basin

Ana Okta Marnila, Yusa Fahrudi, Mawar I. Nursina, Ichy Lucya Resta, Hari Wiki Utama

Indonesian Petroleum Association

... hydrostatic gradient (0.433 psi/ft) with depth. Then, those parameters was substituted into the Eaton equation (Equation. 1...

Abstract: AVAZ and VVAZ Practical Analysis to Estimate Anisotropic Properties; #90224 (2015)

Yexin Liu

Search and Discovery.com

... velocity is obtained by setting 𝜂 𝑒𝑓𝑓𝑒𝑐𝑡𝑖𝑣𝑒 = 0 and thus eliminating the third term in Equation (1). The HTI travel-time can be re-written: 2...

DEPTH CONVERSION, Jeremy J. Zimmerman, Search and Discovery Article #40023, 2001

Search and Discovery.com

ABSTRACT: A Case Study of Structural Prospect Validation Using Turning Ray Tomography, by Ley, Robert E.; McNeely, Joseph; Bagshi, Adnan; Buick, Darren; #90141 (2012)

Search and Discovery.com

Abstract: Properties of Oil Sands and Bitumen in Athabasca; #90211 (2015)

Hisako Mochinaga, S. Onozuka, Fumio Kono, Toyokazu Ogawa, Akihisa Takahashi, and Takahiro Torigoe

Search and Discovery.com

..., AB, Canada, May 15-18, 2006 Rock Physics Modeling We calculated oil sands velocity using Gassmann’s equation, which is applicable to measurements...

Observing Pore-Scale Gas Hydrate Morphology and its Acoustic Response to the Host Sediments

Search and Discovery.com

Abstract: Advanced Seismic Acquisition Survey Design Based on Illumination Analysis; #90319 (2018)

Pavel Golikov, Emad Hemyari, Abdulaziz Almuhaidib

Search and Discovery.com

... velocity earth model. This assumption, however, is true only if the target interface is flat and the earth model has no lateral velocity variations...

Role of reservoir engineering in the assessment of undiscovered oil and gas resources in the National Petroleum Reserve, Alaska

Mahendra K. Verma, Kenneth J. Bird

AAPG Bulletin

..., and these temperatures are plotted against depths in Figure 4, resulting in the following equation:where temperature is in degrees Fahrenheit and depth...

Resolving Multiphase Fractions in Horizontal Wells Using Speed of Sound Measured with Distributed Acoustic Sensors and a PVT Database

Peyman Moradi, Brian Seabrook, Neal Adair, Ricardo Garza

Unconventional Resources Technology Conference (URTEC)

... of the sound for substantial heat conduction and radiation to take place. According to the NewtonLaplace equation, the sound velocity is related to bulk...

Integrated Seismic Attributes and AVO Analysis in the Faults and Hydrocarbon Leakage Extraction

Ragil Destriawan Prasetyo, Dicky Harishidayat

Indonesian Petroleum Association

... form of this equation separated the velocity and and density terms: This equation is commonly known as the AVO equation. A is called the intercept, B...

Porosity Logs: Chapter IV

George B. Asquith, Charles R. Gibson

AAPG Special Volumes

... reservoirs (Fig. 32; depth 9,328 ft)--the following formula should be used to determine neutron-density porosity: [EQUATION] Where: N-D = neutron...

Abstract: Applicability of TTI RTM to Structured Land Datasets; #90172 (2014)

Charles Ursenbach, Yan Yan

Search and Discovery.com

... as dictated by the wave equation. Other methods involve approximations to the wave equation, such as ray tracing or directional propagation, and thus may...

Abstract: Sub-Salt and Sub-Basalt Imaging Using Long Offset and Multicomponent Seismic Data, by J. Gaiser, N. Jones, and P. Fontana; #90923 (1999)

Search and Discovery.com

Logging and Correlation Techniques in the Paradox Basin

G. F. Chambliss, J. L. Hallman

Utah Geological Association

... in conjunction with a Gamma Ray, we have: A porosity device. A good correlation tool. Velocity data for the geophysicist. A means of perforating depth...

Geological Cross Sections: Part 6. Geological Methods

Jeremy M. Boak

AAPG Special Volumes

... is a critical tool to demonstrate the velocity structure, and consistency of conversion of time to depth. Lines connecting correlative formation or zone tops...

Petrophysics of Oil Reservoirs in the Eromanga Basin, South Australia

D. I. Gravestock, E. M. Alexander

Petroleum Exploration Society of Australia (PESA)

... by porosity from the density and sonic logs. Normalised shale volume cannot be calculated by linear interpolation between maximum and minimum gamma ray values...

The Limitations of Seismic Modelling of Geological Structures

B. L. N. Kennett

Petroleum Exploration Society of Australia (PESA)

... and not require extravagent resources if they are to be cost effective. avoided by working with velocity logs digitised in depth, if the synthesis...

Production Analysis and Forecasting of Vaca Muerta Shale in Argentina: Case History-Based Approach

Leonardo Maschio, S. Maria, F. Herrero

Unconventional Resources Technology Conference (URTEC)

...: Pressure response in a fractured well can be described by the diffusivity equation for linear flow (Bourdet et al, 2001): ‫݌‬௜ − ‫݌‬௪௙ = 4.064 ‫ܤݍ...

A Breakthrough of Bekapai Converted S-Wave Processing and its Positive Impact to Structural Interpretation

Effendy Siawira, Andy Kristianto, Jaques Bonnafe, Natalia Anggriani, Cepi M. Adam, Zainal Abidin, Firman B. Kurniawan, Supriady, Claudio Strobbia, Yang Liu, Youning Li, Xiagui Miao, Libo Zi, Guishui Wang

Indonesian Petroleum Association

... patterns by doing ray tracing along the exact ray paths. The P-wave depth migration was performed at first, which involved FWI shallow velocity model...

Constructing High Resolution, Inch Scale Continuous Logs via a Multi Domain Approach to Improve Hydraulic Fracturing by Capturing Thin Beds in the Bone Spring Formation, Delaware Basin, Reeves County, TX

Santhosh Narasimhan, Pukar Mainali, Harry Rowe, Austin Morrell, Wesley Ingram, Andy Benson, Nathan Ganser, Sean Arrington

Unconventional Resources Technology Conference (URTEC)

...) was determined using a combination of gamma ray (Clavier 1971 equation) and a neutron porosity index calculation for shale (Dresser Atlas, 1983...