Character and Distribution of Subsurface Water and Brine of the Paradox Basin, Southeastern Utah

J. Wallace Gwynn

Utah Geological Association

... be measured directly, determined from spontaneous potential curves on geophysical logs, or be estimated from salinity or TDS values. Water chemistry...

Integrated approach to condensed section identification in intraslope basins, Pliocene–Pleistocene, northern Gulf of Mexico (E & P Notes)

Jennifer R. Crews, Paul Weimer, Andrew J. Pulham, Arthur S. Waterman

AAPG Bulletin

... and foraminiferal relative abundance and an increase in diversity. The CRCS have a low gamma-ray (siliciclastic sand) signature and high spontaneous potential (SP...

Abnormal-Subnormal Pressure Relationships in the Morrow Sands of Northwestern Oklahoma

Arthur F. Breeze

Oklahoma City Geological Society

...) Wallace, W. E., "Abnormal Subsurface Pressures Measured from Conductivity or Resistivity Logs," Society of Professional Well Log Analysts' Sixth Annual...

ABSTRACT: Salt Water Contamination of the Chicot Aquifer from Historic Oil Field Operations, Tomball Field, Harris County, Texas; #90007 (2002)

Traylor, Robert J., John D. Estepp

Search and Discovery.com

.... 2, electric/gamma ray logs exhibit the characteristic fining-upwards, channel-sand profile, with reduced resistivity and increased spontaneous...

Abstract: Depositional Character of the Mirando Sand, Jackson Group in Webb County, Texas, by M. C. Robinson; #90090 (2009).

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Sequence Correlation of the Mid-Comanche Series, South Texas Region

Dena S. Chenault, Lance L. Lambert

GCAGS Transactions

... that is recognized in well logs by a negative, blocky spontaneous potential curve (Humphreys, 1984). In the subsurface, the top of HST-2 is capped by high resistivity...

Geopressure in the Houma and Hollywood Fields, Louisiana

S.T. Mumme , R.E. Ferrell

GCAGS Transactions

... to Mumme (1979). End_Page 322------------------------ pressure gradient calculations from the resistivity curve. The spontaneous potential curve...

Effect of Mineralogy on NMR, Sonic, and Resitivity: NMR, Sonic, and Resistivity: A Case Study of the Monterey Formation

Saul Rivera, Manika Prasad

Unconventional Resources Technology Conference (URTEC)

... can help better analyze and interpret NMR, sonic, porosity, and resistivity logs. Our combined laboratory and well log data analysis shows how...

Reservoir characterization and static earth model for potential carbon dioxide storage in Upper Pennsylvanian cyclothems, Nebraska, United States

Valerie L. Smith, and R. M. Joeckel

Environmental Geosciences (DEG)

... water complicated the derivation of effective porosity logs and, therefore, posed a substantive problem in this project. This problem was resolved...

The Northeastern Sector of the Lower Cretaceous Athabasca Oil-Sands Basin: Facies and Fluids

Michael Ranger

Saskatchewan Geological Society

... resistivity reading shows higher resistivity than the shallow reading, and the presence of "flat" or "reversed" spontaneous potential (SP...

Correlation of Sand Reservoirs of the Lower Tuscaloosa Formation in the Smithdale and East Fork Fields in Amite County, Mississippi

Alexandra Elizabeth Warren

GCAGS Transactions

... is using 99 wells from Smithdale and 50 wells from East Fork (Appendixes I and II). Petrophysical logs with spontaneous potential and resistivity curves...

Heavy Oil Reservoirs in the Tulare Fold Belt, Cymric-Mckittrick Fields Kern County, California

Thomas Farley

Pacific Section of AAPG

... in recognizing steep dip domains in wells without dipmeters. These characteristics include expanded Spontaneous Potential (SP) and resistivity profiles...

Fracture responses of conventional logs in tight-oil sandstones: A case study of the Upper Triassic Yanchang Formation in southwest Ordos Basin, China

Wenya Lyu, Lianbo Zeng, Zhongqun Liu, Guoping Liu, and Kewei Zu

AAPG Bulletin

... ray log (GR), and spontaneous potential log (SP). Many studies have been done on the fracture-response characteristics of conventional logs...

Geologic Characterization for the U.S. SECARB Anthropogenic Test; Combining Modern and Vintage Well Data to Predict Reservoir Properties; #41156 (2013)

Shawna R. Cyphers, Hunter Jonsson, and George J. Koperna, Jr.

Search and Discovery.com

... vintage logs using digitizing technology   •Currently digitizing vintage rasters from Citronelle Field •Vintage logs consist of Spontaneous Potential...

Water/Oil Displacement by Spontaneous Imbibition Through Multiscale Imaging and Implication on Wettability in Wolfcamp Shale

Sheng Peng, Yijin Liu, Lucy Tingwei Ko, William Ambrose

Unconventional Resources Technology Conference (URTEC)

... the maximal potential of oil removal by water imbibition. The image calculation based on Eq. 1 is straightforward; however, image preprocessing is required...

Upper Jurassic Sequence Stratigraphy, Onshore to Offshore Alabama, Eastern Gulf of Mexico

Jamal A. Obid

GCAGS Transactions

... of well log curves were available. The spontaneous potential (SP) and deep resistivity (ILD) log curves were common to all wells. In addition, gamma ray...

ABSTRACT Integrated Development of Geologic Models and Field Test Results in Sequestration/EOR Pilots in the Illinois Basin, #90104 (2010)

Damico James R.; Grube John P.; Frailey Scott M.; Seyler Beverly

Search and Discovery.com

... insufficient for modeling requirements while the more abundant log suites did not include  porosity logs. As a solution, the spontaneous potential data...

Stratigraphic Correlation of Well Logs by Computer Techniques

Albert J. Rudman , Robert W. Lankston

AAPG Bulletin

... by means of logs measuring such physical properties as electrical resistivity, spontaneous potential, seismic velocity, or radioactivity. In practice...

The Streaming SP: A Flow Indicator

Firmansjah Kartawidjaja, J. P. Luciani

Indonesian Petroleum Association

... an unusual aspect of the SP phenomenon. to help geologists recognize streaming potential effects in order to get more a reliable formation water resistivity...

Parameters Controlling Hydrocarbon Distribution at Tatum's Camp Field, Lamar County, Mississippi

Phillip R. Jackson

GCAGS Transactions

... to determine hydraulic flow patterns. Apparent NaCl concentrations were determined from formation water resistivity values from Spontaneous potential...

Well Log Analysis and Seismic Attenuation in a Heavy Oilfield: Ross Lake, Saskatchewan; #20294 (2015)

Zimin Zhang, Robert Stewart

Search and Discovery.com

... 11-25-13-17W3. From left to right - spontaneous potential (SP); resistivity (deep measurement in red, medium measurement in blue and shallow tools in green...

Recent Developments in Logging Techniques and Interpretation in Indonesia

Yves M. Pirard, William J. Prins, Carlos Cramez

Indonesian Petroleum Association

... of the flushed zone. This combination allows good determination of the true formation resistivity hence water saturation in cases where the Induction log...

Petrophysical Characterization of a Clastic Reservoir in the Middle Magdalena Valley Basin in Colombia Using Artificial Neural Networks and Seismic Attributes, #20440 (2018).

Ursula Iturraran-Viveros and Andres Munoz-Garcia,

Search and Discovery.com

...: spontaneous potential (SP), resistivity and induction (ILD), sonic log of P-wave. Some of these logs are more recent such as the Gamma Ray (GR), dipolar...

Wettability Alteration and Improved Oil Recovery in Unconventional Resources

Fabio Bordeaux Rego, Esmail Eltahan, Kamy Sepehrnoori

Unconventional Resources Technology Conference (URTEC)

... are the contrast in the rock and oil surface potential and the sodium concentration. Spontaneous-imbibition simulations indicate that the low salinity...

Abstract: Evaluation of Reserve Growth Potential in Barrier/Strandplain Compartmentalized Reservoirs of the Frio Formation, Lavaca Bay Field, South Texas, by J. U. Ricoy, J. S. Yeh, and R. P. Major; #91014 (1992).

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