Least Square Q-Kirchhoff Migration: Implementation and Application

Xiaodong Wu, Yi Xie, Joe Zhou, Dechun Lin, Yu Wang

Petroleum Exploration Society of Australia (PESA)

... is lost due to earth absorption. QPSDM and LSQPSDM are presented in Figures 2b and 2c. Both methods are able to compensate for high frequency loss...

Determination of Residual Water Saturation of Samples by the Method of Capillary Absorption (Extraction)

S. I. Shishigin

Petroleum Geology: A Digest of Russian Literature

...Determination of Residual Water Saturation of Samples by the Method of Capillary Absorption (Extraction) S. I. Shishigin 1964 585 588 Vol. 8 (1964...

Abstract: Attenuation, Velocity Dispersion and the Fate of the Vibroseis Signal; #90211 (2015)

Bernd Milkereit, Flora Sun, Wei Qian, and Thomas Bohlen

Search and Discovery.com

... a broad and flat absorption band over a wide range of frequencies (Cormier, 1989). In classical seismology, the spectral ratio method (Tonn, 1991...

Ethane Extraction for Petrochemical Feedstock

Bambang Bramono, R. G. Hutton, R. E. Losbaugh

Indonesian Petroleum Association

... the gas is liquefied. Exhibit 3. Arun LNG scheme Evaluation of Ethane Process Two ethane extraction processes were evaluated. One was an absorption...

A Comparison of the Physical Properties and Petrographic Characteristics of Some Limestones and Dolomites of Southeastern Minnesota

Ernest H. Lathram, George A. Thiel

Journal of Sedimentary Research (SEPM)

... samples is given in table I. The loss by abrasion varies from 32.7% to 46.9%, and the absorption percentage varies from 0.79 to 2.64. The sample...

Analytical Methods for Determining Small Quantities of Mercury in Natural Gas

M. Muchlis

Indonesian Petroleum Association

... if the original mercury content was at a high enough level for direct or indirect measurement. This difficulty is due to loss of mercury by surface absorption...

Abstract: Chemical structure of semifusinite and fusinite from seams 505 and 505/1 of the Upper Silesian coal basin (Poland) and its changes during heating under inert conditions in the view of Micro-FTIR examination

R. Morga

The Society for Organic Petrology (TSOP)

... (750-900cm-1) absorption to the aliphatic νCH2+CH3 (2800-3030cm-1) one, as well as δCHar/C=Car (15001650cm-1) ratio (condensation index) are higher for fusinite...

ABSTRACT: Metal Trace Elements in Oils for Quantifying the Degree of Biodegradation in Reservoirs; #90007 (2002)

Caroline C. Magnier, I. Kowalewski, L. A. F. Trindade, D. Levache, B. Carpentier

Search and Discovery.com

... lost by biodegradation. This method, applied to case studies, has given biodegradation weight loss ranging from 20% to 80%. At 20% it corresponds...

Application of Seismic Surveying to Direct Exploration for Oil and Gas

A. M. Ivanchuk, L. F. Tarkhova

Petroleum Geology: A Digest of Russian Literature

... 20-30%, and the coefficient of absorption changes by an order of magnitude for weakly oil-saturated strata and by two orders for strongly oil-saturated...

Development of Insulator Components for Electrical Heating of Oil Sands: Section VI. Recovery

K. Okahashi, I. Ishii, S. Hirabayashi, A. Higuchi, Y. Takahashi, Y. Ohata

AAPG Special Volumes

...: Canadian Patent No. 1001550, Dec. 14. Newbold, F. R., and T. K. Perkins, 1977, Wellbore transmission of electrical power: Oil Sands, p. 631. Todd, J...

Geophysical Study Program of Reefs in the Lvov Paleozoic Downwarp

L. E. Fil’shtinskiy, A. I. Boyko, M. D. Buderkevich, R. M. Kobrin

Petroleum Geology: A Digest of Russian Literature

.... On a background of the regional dip there are flexures and areas of loss of correlation. Local decreases of Veff (see Fig. 1b) are noted in the supra-reef...

Abstract: VSP P-Wave Attenuation Model Study in Elastic Earth: Spectral Ratio method Vs Centroid Frequency Shift Method; #90187 (2014)

Waheduzzaman Talukder and Ralph Phillip Bording

Search and Discovery.com

...-layered model because of its simple model configuration. Multi-layering adds transmission, reflection loss, mode conversion of wave that caused loss...

Variations in Water Content in Opal-A and Opal-CT from Geyser Discharge Aprons

Rachel Day, Brian Jones

Journal of Sedimentary Research (SEPM)

... with the region of water absorption. Samples were placed on the sample stage of the IR microscope with a window that allows infrared light transmission...

Abstract: Criteria to Aid in the Establishment of Genetic Boundaries within a Carboniferous Basin; Mary Lee Coal Zone, Black Warrior Basin, Alabama

Terry Wayne Bryant, Robert A. Gastaldo

GCAGS Transactions

..., calcium, potassium, magnesium, and manganese. Atomic absorption was utilized to determine sodium content. Carbonate carbon was determined by weight...

ABSTRACT: Hydrocarbon Detection of Fractured Carbonate Reservoir, by Qinhua, Sun; Jianxin, Liu; Huquan, Zhang ; Xiaomei, Liu; #90135 (2011)

Search and Discovery.com

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...

Behavior of Inorganic Constituents During Early Diagenesis of Peats

James J. Willis , Alan M. Bailey , Arthur D. Cohen

GCAGS Transactions

.... 2, p. 34-47 Bailey, A., E. Kosters, and J. Blackson, 1986, Mobile inorganic constituents in peat and their loss during diagenesis: AAPG Convention...

Mechanisms of Nanofluid Based Modification MoS2 Nanosheet for Enhanced Oil Recovery

Ming Qu, Tuo Liang, Jirui Hou

Indonesian Petroleum Association

...). However, conventional chemical EOR materials like surfactants face severe challenges such as chemical absorption and loss, stability in reservoir...

Carboniferous Sediments from Sigsbee Knolls, Gulf of Mexico: GEOLOGICAL NOTES

Willis E. Pequegnat , William R. Bryant , John E. Harris

AAPG Bulletin

... absorption spectrometry, X-ray diffraction, and electron microscopy reveal that the siltstone is composed primarily of quartz with lesser amounts...

Abstract: Identification and Quantification of Silica Phases in the Monterey Formation Using Infrared Spectroscopy, by D. Harville and A. Britton; #90981 (1994).

Search and Discovery.com

Seismic Processing Applications on a Personal Computer

Geophysical Service (Malaysia) Sdn. Bhd.

Geological Society of Malaysia (GSM)

... signature, 4) Correcting for absorption and spreading loss, and SEISMIC PROCESSING APPLICATIONS ON A PERSONAL CoMPUTER 55 5) Flattening on the upgoing...

Yesterday, Today, and Tomorrow in Seismic Exploration

Emil J. Mateker, Jr.

GCAGS Transactions

... of absorption (or attentuation) is well illustrated by the loss of the higher frequency component of the seismic signal in the shallow part...

Multicomponent Analysis of FTIR Spectra: Quantification of Amorphous and Crystallized Mineral Phases in Synthetic and Natural Sediments

Jacques Bertaux , Francois Frohlich , Philippe Ildefonse

Journal of Sedimentary Research (SEPM)

...; Salisbury 1993). Spectroscopic data are measured either in transmission or in reflection mode, and spectra record absorption or emission features...

The Physical Consequences to Aquifer Characteristics in a Laboratory Simulation of Deep-Well Injection of Organic Chemicals

Rodney A. Crother, Matthew W. Totten

Environmental Geosciences (DEG)

...) for as little as three days will form gel-like substances that cause a substantial loss of permeability. The amount of exposure of the surfactant to the sediment...

ABSTRACT: OXIDATION STUDY OF MACERALS IN AUSTRALIAN COALS USING ELECTRON MICROPROBE TECHNIQUES

Zhongsheng Li, Colin R. Ward

The Society for Organic Petrology (TSOP)

..., such as reflectance, plastic properties and loss of coking ability (Smith et al., 2001), as well as to the chemical composition of the coal itself. Better...