Karst Hydrology of Northern Yucatan Peninsula, Mexico

V. T. Stringfield, H. E. LeGrand

New Orleans Geological Society

... into the underlying limestone. After reaching the zone of saturation in the limestone, the water moves laterally to the coast where part of it is discharged...

Analytical Techniques and Tools for Rock Property and Oil Gravity Evaluation in Heavy-Oil and Tar-Sand Reservoirs: Section VI. Recovery

B. A. Bell, K. Karnes

AAPG Special Volumes

... of the oil is assumed to be 1.0 g/cc and the solids to be 2.64-2.65 g/cc. Oil plus water saturation is assumed to be 100%. With these assumptions...

Machine Learning Prediction and the Impact of CO₂ Injection on S-Wave in 20 Years in the Legacy Well Field

Sharif Morshed, Shafiqul Alam Khan, Wu Hao

Unconventional Resources Technology Conference (URTEC)

... sensitive to water saturation (Karakul and Ulusay, 2013). Thus, as the porosity of a rock increases, S-wave velocities will reduce more than the P-wave...

Improving Reservoir Characterisation

Lucy Macgregor

GEO ExPro Magazine

... be improved through the integrated analysis of CSEM, seismic and well log data. LUCY MACGREGOR, RSI Inc. Determining reservoir geometry and properties from...

Effective Pay Determination: Part 6. Geological Methods

Gerard C. Gaynor, Robert M. Sneider

AAPG Special Volumes

... fluid saturation within the rock pore space is not a factor in determining reservoir rock quality. A set of guidelines that identifies reservoir quality...

Methods for Determining Interwell Facies Boundaries (and Constraining Geostatistical Correlation)

Paul M. Mitch Harris

West Texas Geological Society

... layer. Figure 2. (A) Conditionally simulated permeability field and (B) water saturation distribution at breakthrough for a simulated waterflood...

A New Page in the History of Reservoir Characterization in the Andes Sedimentary Basin Area, with the Introduction of State of the Art LWD Formation Evaluation Services A Case History in South America … Ecuador

A. Carvalho, J. Sierra, L. Sanchez, R. Medina, M. Cevallos, W. Gonzalez, R. Santacruz

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... independent methods for determining hydrocarbon saturation, brought new hope to the production perspectives of the well. Permeability estimation...

A Novel Method for Simultaneous Determination of Relative Permeability and Capillary Pressure from Corefloods (Gas/CO2-Water Systems)

Nassim Hemmati, Sara Borazjani, Alexander Badalyan, Luis Genolet, Aron Behr, Abbas Zeinijahromi, Pavel Bedrikovetsky

Australian Petroleum Production & Exploration Association (APPEA) Journal

...-end-effect prevailing at saturations close to both the irreducible water saturation (Swi) and residual oil saturation (1 − Sor). To overcome...

Well Productivity Enhancement by Applying Nanofluids for Wettability Alteration

Saurabh Naik, Gabriel Malgaresi, Zhenjiang You, Pavel Bedrikovetsky

Australian Petroleum Production & Exploration Association (APPEA) Journal

..., the CEE is more dramatic and can cause water saturation to rise dramatically, severely reducing gas production (Naik et al. 2015, 2018). To avoid...

A Petrophysical Model to Distinguish Water-Wet and Oil-Wet Fractions of Unconventional Reservoir Systems Using Triple-Combo Log Suites, #41978 (2017).

Michael Holmes, Antony Holmes, Dominic I. Holmes

Search and Discovery.com

... of Reservoir Wetting on Archie Parameters Archie (1942) presented an empirical equation to determine water saturation: Where: SW = water saturation...

Seals - A Critical Element To Successful Exploration and Production - Workshop Summary

Robert Sneider, Ronald Surdam, Charles Vavra

PTTC

... (e.g., water), the test is called drainage capillary pressure. The drainage test is most commonly used in determining the accumulation process...

The Mechanics of Secondary Hydrocarbon Migration and Entrapment

Tim T. Schowalter

Earth Science Bulletin (WGA)

... position above which the reservoir rock has a water saturation less than 100 percent. The relationship of the free water level to the 100 percent water...

Quantitative Evaluation of Hydrocarbon Saturation in Shaly Freshwater Reservoirs

Paul F. Worthington, Paul W. Johnson

Indonesian Petroleum Association

.... SPWLA 11th Ann. Logging Symp., G1-21. Poupon, A. & Leveaux, J. 1971. "Evaluation of water saturation in shaly formations." The Log Analyst 12(4), 3-8...

Development of Renqiu Fractured Carbonate Oil Pools by Water Injection: Chapter 13

Yu Zhuangjing, Li Gongzhi

AAPG Special Volumes

... be neglected. Irreducible water saturation and residual oil saturation are usually lower in fractures. Under the influence of gravity, with proper flooding rate...

Electrical Resistivity an Aid in Core-Analysis Interpretation

G. E. Archie

AAPG Bulletin

... and Production Practice, 1936. J. A. Lewis, and W. L. Horner, "Interstitial Water Saturation," Geophysics (October, 1936). H. C. Pyle and J. E. Sherborne...

Produced Water Chemistry Surveillance and Application in the Permian Basin

Wei Wang, Wei Wei, Mehrnoosh Saneifar, Baosheng Liang, Jason Parizek, Hanh Nguyen, Mauro Menconi, Fei Yang, Cameron Khalili

Unconventional Resources Technology Conference (URTEC)

... understanding of formation water chemistry and the vertical-horizontal heterogeneity can be utilized to improve the determination of water saturation...

Relative Efficiency of Carbonate Dissolution and Precipitation During Diagenesis: A Progress Report on the Role of Solution Chemistry

Lynn M. Walter

Special Publications of SEPM

...% faster than those measured in the two other solutions. Given the 2 10% error involved in determining reaction rates and calculating saturation states...

Establishing Petrophysical Benchmark for the Burgan Field in Kuwait - A Case Study; #20419 (2018)

Mona Rashaid, Yaser Amjad, Pratik Sangani, Steven Low, Christophe Darous, Laila Hayat, Alan Sibbit

Search and Discovery.com

... Burgan wells. Petrophysical evaluation was performed to determine shale volume, effective and total porosity and water saturation logs for all wells...

Practical Aspects of Geobarometry

Robert H. Goldstein, T. James Reynolds

Special Publications of SEPM

... t temperature have parallels for determining entrapment pressure. Another approach using the intersection of isochores from petroleum and water systems...

The Use of Ground-Penetrating Radar for Characterizing Sediments Under Transient Flow Conditions

Michael B. Kowalsky, Yoram Rubin, Peter Dietrich

Special Publications of SEPM

... models derived from digitized outcrop images, GPR simulations showed that field data were largely affected by non-uniform water saturation in addition...

Abstract: Genesis Analysis and Development Technology for the Marine Sandstone Reservoir with Low Permeability and Resistivity in Western Pearl River Mouth Basin, South China Sea, by Zhenfeng Wang, Yingzhao Zhang, Daojun Zhang, and Zhaoqiang Yang; #90180 (2013)

Search and Discovery.com

Top Seal Character and Sequence Stratigraphy of Selected Marine Shales in Gulf Coast Style Basins

William C. Dawson and William R. Almon

GCAGS Transactions

..., the hydrocarbon/water contact angle and the interfacial tension of the hydrocarbon/water system control the displacement pressure of a seal and its capacity...

An Experimental Study of Secondary Oil Migration (1)

LIONEL CATALAN, FU XIAOWEN, IOANNIS CHATZIS, and FRANCIS A. L. DULLIEN

AAPG Bulletin

... containing oil and water at low saturation (see Table 1). After oil injection, we waited a few minutes to let the oil-water interface stabilize...

Validation of a New and Cost Effective Technique to Estimate Reservoir Pressure and Permeability in Low-Permeability Reservoirs

Z. Nasizadeh, J. Lee, R. Abdollah-Pour, J.R. Adams

Unconventional Resources Technology Conference (URTEC)

... , 𝑤 (1) where 𝑄 is total water injected in 𝑏𝑏𝑙, 𝑆 𝑤𝑖 is initial water saturation (unitless), and 𝑆 𝑔𝑟 is residual gas saturation...

Amphoteric Polymer Improves Hydrocarbon/Water Ratios in Producing Wells – An Indonesian Case History Study

Frederick O. Stanley, Hardianto, Ewen Marnoch, Paternus Syukur Tanggu

Indonesian Petroleum Association

... and will also influence the relative rates of production. In most water wet sandstone formations, the water saturation varies from 100% below the oil...