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The AAPG/Datapages Combined Publications Database

Showing 1,780 Results. Searched 191,954 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...


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...



Z. R. Beydoun and J. G. Habib

Journal of Petroleum Geology

.... In the majority, reservoirs were invaded by meteoric waters as a result of the proximity of elevated, outcropping recharge areas, inefficient seals...


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...


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...


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...


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...


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...


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...


Petrology of Anacacho Limestone of Southwest Texas: ABSTRACT

Lee L. Harvill

AAPG Bulletin

... petrographic study shows that the bituminous material invaded the limestone, then shrank by loss of volatile constituents. This is based especially...


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...


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...


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...


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: 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...


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...


Abstract: Depositional environment of the Westphalian B Cumberland Basin coals of Springhill, Nova Scotia

J. H. Calder

Atlantic Geology

... invaded the southern margin of the coal swamps. Megascopic and microscopic coal petrography indicate a forest swamp environment. Regional three-dimensional...


Some Highlights on Early Geological Exploration in the Mackenzie River Area of Northern Canada

Theo. A. Link

Tulsa Geological Society

..., helicopters, power boats, roads, and other modern conveniences had invaded the frontier to simplify the problems of petroleum exploration. Even so...



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...


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