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The AAPG/Datapages Combined Publications Database

Showing 1,771 Results. Searched 190,755 documents.

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Basic Relationships of Well Log Interpretation: Chapter I

George B. Asquith, Charles R. Gibson

AAPG Special Volumes

... as follows: dh - hole diameter di - diameter of invaded zone (inner boundary; flushed zone) dj - diameter of invaded zone (outer boundary; invaded zone...


Log Abbrevations, Log Names, and Title Page

George B. Asquith, Charles R. Gibson

AAPG Special Volumes

... - compaction factor for sonic porosity rj - radius of invaded zone t - interval transit time of formation tf - interval transit time of fluid...


Conventional Symbols, Rock Matrix Values, and Water Saturation by Archie Method

Richard H. Merkel

AAPG Special Volumes

... Conventional Symbols T: Temperature °F BHT: Bottom hole temperature °F dh: Diameter of the borehole di: Average diameter of the invaded zone e: Bed...


Electric Log Interpretation in Exploring for Stratigraphic Traps in Shaly Sands

Howard A. Slack, Carel Otte, Jr.

AAPG Bulletin

... in the invaded zone to the interstitial water saturation in the non-invaded zone. Although it is not considered to be a mappable attribute, the magnitude...


Guard Electrode

H. K. McArthur

Tulsa Geological Society

...-electrode systems) and the thickness of the bed being investigated. The problem then existed of how to log beyond the invaded zone in thin beds...


Old Electrical Log Interpretation [Pre-1958], Chapter 7: Porosity from the Short Normal

Hilchie, D.W.

AAPG Special Volumes

... for the oil saturation in the invaded zone when present. Figure 6-1 is a plot of CSSP versus SP for water and oil bearing zones.Figure 6-2 is a solution...


Abstract: Dielectric Dispersion Field Test Results in Western Canada; #90172 (2014)

Rob Badry

Search and

... with a mudcake and an invaded and non-invaded zone. The resultant conductivities and permittivities are then used in a petrophysical model to obtain...


Application of ISF/Sonic Combination Tool to Gulf Coast Formations: ABSTRACT

N. A. Schuster, J. D. Badon, E. R. Robbins

AAPG Bulletin

... borehole effect that the short normal. It has a shallower investigation, hence it gives more accurate invaded-zone resistivity. The Induction-SFL can...


Logging and Correlation Techniques in the Paradox Basin

G. F. Chambliss, J. L. Hallman

Utah Geological Association

... are both quite reliable for quantitative porosity measurements. The Laterolog in relatively fresh muds is adversely affected by the invaded zone...


Exploitation of Geologic, Lithologic, Reservoir and Drilling Data to Improve Electric Log Interpretations

R. G. Hamilton

Tulsa Geological Society

... a knowledge of the chemical composition of the formation water or from the SP curve, Porosity (P) determined from core analyses or from an invaded...


Time-Transgressive Aspects of Some Critical Planktonic Species: ABSTRACT

Orville L. Bandy

AAPG Bulletin

... of the temperate Globorotalia (Turborotalia) pachyderma, dextrally coiled, occurs in Neogene zone 13 or just below in temperate areas, whereas it invaded...


Induction-Electrical Logging in the Texas-Oklahoma Panhandle

H. W. True

Panhandle (Texas) Geological Society

... to minimize the effects of the mud column, the invaded zone, and of the formations located above and below the bed under study. Such types of apparatus...


ABSTRACT: NMR Gas Relaxation Signature for Organic Shale Reservoir Rocks; #90122 (2011)

Richard Sigal and Elijah Odusina

Search and

... to the fluid distribution in the invaded zone. That is in a zone that is high in water saturation, where, gas being the non-wetting fluid, the gas...


Environment of Neocomian Deposition in the Nizhne-Vartov Oil-Gas Region

A. I. Sidorenkov, V. N. Vysotskiy, A. S. Nikol’skaya

Petroleum Geology: A Digest of Russian Literature

... of paleogeographic areas. The Neocomian sediments in this region were deposited largely in a lacustrine-lagoonal zone that was invaded periodically by the sea...


Injection Water Sources, Wilmington and East Wilmington Oil Fields: ABSTRACT

D. R. Allen, Douglas Stockton

AAPG Bulletin

... deposits. These deposits may be divided into two parts in the developed Wilmington area: the Gaspur zone, a Recent channel fill of the ancestral Los...


Logging Observation Wells in an In Situ Combustion Test: ABSTRACT

H. B. Evans, C. H. Cotterell, H. Surkalo, W. L. Kinney

AAPG Bulletin

... gas saturation and invaded-zone water saturations were calculated. Both methods outline the vertical variations in combustion. In two wells, no logs...


Chemical Aspects of Crude Oil Preservation: ABSTRACT

N. J. L. Bailey, H. Roy Krouse

AAPG Bulletin

... of the study area was invaded by fresh meteoric water which resulted in the degradation of crudes through two processes. The disappearance of light...


ABSTRACT: The Modernization of Old Log Suites; #90013 (2003)

Steven M. Goolsby, Mark H. Franklin

Search and

... in static SP (SSP), invaded zone resistivity (Rxo), and true formation resistivity (Rt) curves for the well. In the third step, these curves are then used...


Abstract: Impacts of the Inherited Tectonic Fabrics and Sedimentary Thicknesses on the Northern Gulf of Suez Rift Development; #90319 (2018)

Ali Abdelkhalek, Adel Sehim, Mohamed Hammed, Darwish Khaled

Search and

... sedimentary section to ca.1-1.5 km from ca.3-3.5 km in the south. This structural belt defines an accommodation zone, which witnessed the abortion...


Consonance Logging: Old Concept - New Solutions

Mario J.C. Petricola

Indonesian Petroleum Association

... on the fact that a laterolog sees mud, mud cake, invaded zone and un-invaded zone in series, whereas the induction log sees them in parallel. In a resistive mud...


Selected Problems in Well Log Correlations

Edgar Burge

CSPG Bulletin

... and uninvaded zones. The invaded zone may be many times more resistive than the water zone beyond the invasion, since the filtrate is often much more...


Abstract: Coal Deposits of the San Juan Basin

E. C. Beaumont

Four Corners Geological Society

.... Deposition in this zone was more or less constantly shifting as the sea either invaded the land area southwestward or withdrew to the northeast...



M.P.R. Light , M.L. Keeley , M.P. Maslanyj and C. M. Urien

Journal of Petroleum Geology

...-dipping simple shear, following the axis of the proto-South Atlantic, and was invaded by a shallow sea. The Falkland (Malvinas) Microplate is shown to have...


Abstract: Induction, Resistivity and MWD Tools in Horizontal Wells

S. Gianzero, R. Chemali, S. M. Su

Geological Society of Malaysia (GSM)

... invaded zone while minimizing the signal contribution from adjacent horizontal beds. In recent years our understanding of these devices was extended...


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