Wave-equation based seismic AVO inversion: A pragmatic approach to use the full elastic wave-field for exploration and production

Peter Haffinger, Dries Gisolf, Panos Doulgeris, Hansel Gonzalez

International Meeting for Applied Geoscience and Energy (IMAGE)

... of the parametrization in terms of compliances are discussed in Gisolf (2016). The benefits include an improved orthogonality of the inversion parameters...

A New Method for Handling the Nugget Effect in Kriging

K. Krivoruchko, A. Gribov, J. M. Ver Hoef

AAPG Special Volumes

... characteristics, which are called the nugget, sill, and range. These are also referred to as the parameters of the semivariogram. The sill represents...

Main Results of Geological Exploration for Oil and Gas for 1960 and Tasks for 1961 in the Azerbaydzhan SSR

B. K. Babe-Zade

Petroleum Geology: A Digest of Russian Literature

... information has been obtained which has theoretical importance for selecting the direction of deep prospecting drilling and geological...

Problem Areas in Interpretation of Pressure Measurements in Thin and Multi-Layered Reservoirs

C. Fraisse, B. Simon, B. Seto, D. Nardio, J. Pouzet, Y. Grosjean

Indonesian Petroleum Association

... of uncertainty on single pressure measurements was therefore estimated by selecting all double measurements repeated in a given reservoir not more...

Mapping Deformed Salt and Associated Non-salt Sediments

New Orleans Geological Society

... of the use of well-to-well log correlation to determine these parameters, 5 Tearpock, Daniel J. and Bischke, Richard E. (1991), Applied subsurface...

A Pore Scale Analysis of Restricted Diffusion in Shale Gas Media

Ayaz Mehmani, Jinhong Chen, Daniel Georgi, Masa Prodanovic, Carl Edwards

Unconventional Resources Technology Conference (URTEC)

...et by a randomized choice of parameters θ, φ (See Appendix A-1) in the following: 𝑥2 = 𝑥1 + (𝑑𝑟) 𝑠𝑖𝑛(𝜃) 𝑐𝑜𝑠(𝜙) 𝑦2 = ?...

Slope Design Procedures at the Bingham Canyon Mine

Z. M. Zavodni, S. D. Ericksen

Utah Geological Association

... conditions and parameters is critical to slope design. Water can have a negative impact on pit slopes due to high pore pressures and resulting reduced...

Stress State Derived from Microseismicity Induced by Hydraulic Fracturing: Downhole and Surface Monitoring

Zuzana Jechumtálová, František Stanĕk, Leo Eisner, G.Randy Keller

Unconventional Resources Technology Conference (URTEC)

... the fault plane (i.e. selecting one of the two nodal planes of each focal mechanism) in the inversion. The tension and pressure axes are determined from...

Estimation of Error in Grain Size Analysis

J. C. Griffiths

Journal of Sedimentary Research (SEPM)

... in the population--the sedimentary unit. The second series (C1-k) yields statistics which estimate the parameters of the homogenized population and any...

Integrated Effort to Improve Gas Quality in Sumatra Operations

Heru Cahyono

Indonesian Petroleum Association

... content has been reduced from 50 to 15 lbs/MMscf, meeting specifications. This was achieved by adjusting operational parameters to optimize...

Well Logging and Completion Technology for Horizontal Wellbores

Walter H. Fertl , Sid B Nice

GCAGS Transactions

... engineered logging and completion techniques, operators have difficulty recognizing problems and selecting corrective action. WELL LOGGING OPERATIONS...

Estimation of Seismic Attenuation (Q): More Insight from Zero-Offset VSP

Mohammad Risyad

Indonesian Petroleum Association

... Seismic attenuation is one of geophysical parameters that is often neglected or even excluded from routine evaluation of vertical seismic profiling...

Selection of Long Interval Limited-Entry or Point-Source Stimulation Treatments: A Review of Historic Data and an Economic Comparison

John Sutton

Wyoming Geological Association

... is appropriate in different circumstances. However, uncertainty may exist in selecting the appropriate approach for a given reservoir. Research has been...

Play Based Evaluation of Deepwater Timor Sea Fold - Thrust Belt: An Assessment for the Frontier Area

Ragil Pratiwi, Joko Wiyono, Feby Nugraha, Muhammad Kamal Fakhri, Suwarta

Indonesian Petroleum Association

... method is one of the geophysical methods that can be used to determine subsurface conditions using the physical parameters of rock density. The density...

Generating Complex Fault Interpretation in a Strike-Slip Area and Its Impact on Prospect Evaluation, Kutei Basin

Haryono Haryanto, Irfan Lubis, Luhut P. Gultom, Andrean Satria

Indonesian Petroleum Association

... with trace balancing. Discontinuity has been generated with parameters such as 15 sample, 9 inline, and 9 xline (Figure 9). Discontinuity attribute resulted...

Water Coning Control in Gas Well with Strong Water Drive Mechanism Reservoir

Benny Ariandy Saputra, Bela Devianti Retnoningsih, Panca Suci Widiantoro, Reza Ramadhan

Indonesian Petroleum Association

... is obtained by entering the known parameters in finding the gas production rate. Therefore, the AOFP can be calculated. Critical Rate Calculation...

Three-Dimensional Seismic Modeling and Seismic Facies Imaging

Hongliu Zeng , Noel Tyler , Milo M. Backus

GCAGS Transactions

... experience, a standard conceptual model in which one or more model parameters (thickness, porosity, P-wave velocity, bulk density, etc.) are assumed...

Sequential Shrinking Particle Swam Optimization (SSPSO) and Hierarchical K-Means Clustering Methods to Improve Probabilistic History Matching and Forecast

Theoza Nopranda

Indonesian Petroleum Association

..., it was required to define the minimum criteria for selecting the history-matched model variants. This study had two criteria for filtering history...

Strategic Procurement Cost Estimation for Capital Projects in the Oil and Gas Industry: Benchmarking and Optimization Strategies

Erwin Indrawan, Nia Damayanti

Indonesian Petroleum Association

... selection. Both methods are used in selecting contract strategy and setting up Engineering Estimates to procure Long Lead Item packages. RESULTS Step 5...

Subsurface-Integration a Key Step Towards Understanding an Unconventional Oil Play; A Case Study from Onshore Abu Dhabi, UAE

Amena Alharthi, Muhammad Baig, Pierre Van Laer, Abdulla Al Hashmi, Trevor Brooks, Hassan Al Marzooqi, Marco Coscia, Aamer Al Bannay, Abdulla Al Blooshi, Fatema Al Jaberi

Unconventional Resources Technology Conference (URTEC)

... in selecting potential zones for vertical testing and then better decision making for successful lateral landing and testing in the best interval...

Innovating Oil and Gas Forecasting: Developing a Trailblazing Generative AI Model

Akash Sharma, Scott Pellegrino, Sai Sidharth Manikandan

Unconventional Resources Technology Conference (URTEC)

... forecasts by learning from extensive historical production data and various operational and geophysical parameters. The model's ability to discern...

Boosting Visualization of Image Logs in 3D Towards Automated Well-Centric Interpretation

Eya Ghamgui, Chandramani Shrivastava, Martin Carles, Josselin Kherroubi

Unconventional Resources Technology Conference (URTEC)

... and petrophysical features of the subsurface around the borehole graphically. Their ability to capture azimuthal variations in logging parameters provides...

Well Planning

Mike Shepherd

AAPG Special Volumes

...; for example, selecting the perforated intervals in the reservoir. Data may also be required to help with reservoir characterization and future reservoir...

Porosity Preservation in the Upper Smackover (Jurassic) Carbonate Grainstone, Walker Creek Field, Arkansas: Response of Paleophreatic Lenses to Burial Processes: DISCUSSION

Clyde H. Moore, Frank C. Brock, Jr.

Journal of Sedimentary Research (SEPM)

... that are coarse-grained and poorly s rted. Selecting 10 representative samples, 5 from tight zones, and 5 from porous zones, we can in every case...

Automatic Detection of the Degree of Compaction in Reservoir Rocks Based on Visual Knowledge, by Carlos Eduardo Santin, Mara Abel, Karin Goldberg and Luiz Fernando De Ros; #80061 (2009)

Search and Discovery.com