Prediction of Gas Production Using Well Logs, Cretaceous of North-Central Montana

Timothy C. Hester

Rocky Mountain Association of Geologists

... stringers, and disseminated clay. Potential producing intervals are commonly unrecognizable on well logs, and thus are overlooked. To aid...

Exploration and Development of Hydrocarbons from Low-Permeability Chalks--an Example from the Upper Cretaceous Niobrara Formation, Rocky Mountain Region

Richard M. Pollastro, Peter A. Scholle

AAPG Special Volumes

... of the relatively "cleaner" Beecher Island zone is made from both the spontaneous potential (SP) and gamma-ray curves (Figure 12). Using SP and resistivity...

Near Fracture Capillary End Effect on Shale Gas and Water Production

Riza Elputranto, I. Yucel Akkutlu

Unconventional Resources Technology Conference (URTEC)

... levels than that based on only the spontaneous imbibition of water. The effect makes water less mobile, or trapped, in the formation during the flow-back...

Petroleum Source Rock Potential of Mesozoic Condensed Section Deposits of Southwest Alabama: Chapter 10

Ernest A. Mancini, Berry H. Tew, Robert M. Mink

AAPG Special Volumes

.... Spontaneous potential (SP)-resistivity log of Shell Oil Co., #1 Neal et al. Unit 30-1 (Alabama Oil and Gas Board permit number 3648) well showing relationship...

Deeper-water deposition in intrashelf basins: Example from the Lower Cretaceous (Albian) upper Glen Rose Formation in the Houston trough, eastern Texas

Peter Soto-Kerans, Robert G. Loucks, and Charles Kerans

AAPG Bulletin

... area of study in relation to other formations. Type log revealing resistivity and spontaneous potential (SP) signatures of the Glen Rose, eastern TX...

Architectural analysis of subsurface meander-belt sandstones: A case study of a densely drilled oil field, Zhanhua sag, east of Bohai Bay Basin

Zhifeng Sun, Chengyan Lin, Xianguo Zhang, Dongxing Du, Yong Yang, and Jia Guo

AAPG Bulletin

.... Wells drilled after 2001 have high-quality gamma-ray (GR), spontaneous potential (SP), bulk density, and deep resistivity logs. The 3-D seismic data were...

Do Upper Wilcox Canyons Support Paleogene Isolation of the Gulf of Mexico?

Frank Cornish

GCAGS Transactions

... (especially in their spontaneous potential response), and sometimes upward fining (Fig. 11). The sandstone bodies trend in a strike direction along...

Oil Reservoirs in Grainstone Aprons Around Bryozoan Mounds, Upper Harrodsburg Limestone, Mississippian, Illinois Basin

Hutch Jobe , Arthur Saller

AAPG Bulletin

... stratigraphy in the study area, and typical wireline log responses. Gamma-ray (GR) and spontaneous potential (SP) curves are at the left and resistivity...

Abstract: James Limestone in Winn and Natchitoches Parishes, Louisiana, by Leo A. Herrman; #90975 (1976).

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Abstract: Borehole geophysical characterization of the fractured bedrock aquifer underlying Black Brook Watershed, near Saint-André, New Brunswick

A. J. DesRoches, K. E. Butler

Atlantic Geology

... used included natural gamma (GR), single point resistance (SPR), spontaneous potential (SP), slim-hole optical borehole televiewer (OBI) and acoustic...

ABSTRACT: Computerized Delineation of Depositional Environments, McAllen-Pharr Field Area, Hidalgo County, Texas, by Micheal Don McGhee; #91003 (1990).

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ABSTRACT: Utilizing a Personal Computer to Predict Depositional Environments in the McAllen-Pharr Field Area, Hidalgo County, Texas, by Micheal D. McGhee; #90999 (1990).

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Gamma-Ray Logging of Vibracore Holes: RESEARCH METHOD PAPER

Theresa M. Molnar, Derald G. Smith

Journal of Sedimentary Research (SEPM)

... with a highly sensitive scintillation crystal in the probe. In addition to gamma-ray logs, the equipment is capable of recording spontaneous potential...

Lithostratigraphy and Depositional Environments of the Upper Jurassic Arab-C Carbonate and Associated Evaporites in the Abqaiq Field, Eastern Saudi Arabia

Salih Saner, Waleed M. Abdulghani

AAPG Bulletin

... borehole enlargement in the Arab-A, Arab-B, and Arab-C carbonate intervals, and spontaneous potential and gamma-ray logs do not give characteristic...

Successful Slim Hole Drilling by Asamera - South Sumatra

Alfred Almendingen, Achmad Boytizen, Memet Rachmat, J. A. Thomson, Ben Seay

Indonesian Petroleum Association

.... The logging suits consisted of Induction Electric Log with Spontaneous Potential (IEL/SP) designed for correlation and formation evaluation, Acoustic Velocity...

A Delta-Slope-Submarine Fan Model for Maestrichtian Part of Great Valley Sequence, Sacramento and San Joaquin Basins, California

Victor B. Cherven

AAPG Bulletin

... is indicated by an upward increase in resistivity accompanied toward the top of the bed by an increase in spontaneous potential (SP) (Fig. 9A). Sand...

Sub-Capillary Pressure Equilibrium Reservoirs: Their Formation and Effect on Oil and Gas Production

Monty Hoffman

Rocky Mountain Association of Geologists

..., L.H., 1973, Evaluation of abnormally high and low pressured morrow sands in northwestern Oklahoma using well logs and water sample data: Master...

Episodic Growth History of the West Columbia Salt Dome, Brazoria County, Texas, and its Potential Impact on Hydrocarbon Accumulation

L. F. Baie, T. L. Uphoff, R. N. Blackhall

GCAGS Transactions

...) including the distributions of the actual reef material and its related detrital carbonate material, which are recognizable on spontaneous potential...

Does Liquid Slip Flow Occur in Unconventional Reservoir Rocks? A Laboratory Study of Liquid Permeability

Sheng Peng

Unconventional Resources Technology Conference (URTEC)

... ü ü ü Water spontaneous imbibition tests were also conducted for samples 1-6 to assess the water affinity relative to air. The results of different...

Experimental and Numerical Study of Shale Oil EOR by Surfactant Additives in Fracturing Fluid

Jiawei Tu, James Sheng

Unconventional Resources Technology Conference (URTEC)

... by investigating the process of spontaneous imbibition under atmospheric pressure. By incorporating contact angle, IFT, Zeta potential, adsorption...

NMR Monitored Spontaneous Imbibition of Oil in Unconventional Reservoir Demonstrates Reservoir Heterogeneity

Stacey Althaus, Jin-Hong Chen, J. David Broyles, Shannon Eichmann, Jewel Duncan, Mohammed Boudjatit

Unconventional Resources Technology Conference (URTEC)

... and Production Potential of Tight Reservoirs Through Spontaneous Imbibition Using Time-Lapse NMR and Other Measurements. Proc., SPE Middle East Oil & Gas...

Geological and geochemical characterization of the Lower Cretaceous Pearsall Formation, Maverick Basin, south Texas: A future shale gas resource?

Paul C. Hackley

AAPG Bulletin

... = spontaneous potential. See Figure 1 for the location of Dimmit, Frio, and Maverick counties.In contrast to the well-documented porous marine carbonate...

A Study of Relationship Between Permeability and Porosity of Sandstone Reservoir Using Hydraulic Conductivity Method

Agus Susilo, Pudji Permadi

Indonesian Petroleum Association

..., Spontaneous Potential, and Resistivity, the data points shown in Figure 2 can be clustered as shown in Figure 3 in which each cluster may also be called...

Outcrop to Subsurface: A Look at a Giant Oil Accumulation

John Mitchell

Oklahoma City Geological Society

... Greybull sandstones are recognizable on wireline logs by their blocky high spontaneous potential (SP) and gamma ray responses. The shales...

The Impact of Pore Wettability and Heterogeneity on CO2 Sweeping Efficiency in Enhanced Oil Recovery in Unconventional Reservoir Rocks

Sheng Peng, Pavel Shevchenko, Priyanka Periwal

Unconventional Resources Technology Conference (URTEC)

... for 8 h to allow water spontaneous imbibition to occur. An oleic tracer, diiodomethane and 1.5 mol% dodecylbenzene, which has similar wetting property...