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Keywords: porosity
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Proceedings Papers

Paper presented at the Annual Technical Meeting, June 13–17, 1999
Paper Number: PETSOC-99-11
.... They also yield large-scale thermodynamic relationships in which porosity is found to play a fundamental role, similar to that of temperature in single component systems. In other words, it has been proven that porosity is a basic thermodynamic variable, and that induced variations in porosity are...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 13–17, 1999
Paper Number: PETSOC-99-60
... water saturation calculation wellbore permeability bvw porosity log analysis well logging fracture height fracture fluid fracture stimulation mesh sand injection rate hydraulic fracturing reservoir proppant upstream oil & gas irreducible water saturation ABSTRACT Most fracture...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 13–17, 1999
Paper Number: PETSOC-99-37
... compaction mineral mudrock kimmeridge bay clay consolidation wellbore integrity criterion porosity kimmeridge clay formation kimmeridge westbury clay uk mudrock wellbore design sediment structural geology peak strength undrained shear behaviour particle upstream oil & gas ABSTRACT The...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–9, 1998
Paper Number: PETSOC-98-78
... produced. The production of sand into a perforation was modeled using a horizontal sand pack flooded with live oil. Previous sand production experiments were performed using dead oil. The pack was scanned with an X-ray computed tomography (CT) scanner. A wormhole (high porosity channel) developed within...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–9, 1998
Paper Number: PETSOC-98-34
... displacement upstream oil & gas saturation reservoir enhanced recovery porosity sandstone blowdown gas saturation simulation model oil leg THE PETROLEUM SOCIETY PAPER 98-34 Gas Cap Blowdown of the Virginia Hills Belloy Reservoir F.C. Kuppe, S. Chugh Epic Consulting Services Ltd. J.D. Kyles...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–9, 1998
Paper Number: PETSOC-98-35
... volume from porosity data obtained under laboratory atmospheric conditions, evaluating the variation of the reservoir pore volume with the decline of reservoir fluid pressure resulting from reservoir depletion and using core data such as porosity and permeability for reservoir characterization and...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–9, 1998
Paper Number: PETSOC-98-13
... stress factor, on a log-log plot of in-situ reservoir quality index versus in-situ porosity of the shaly formations. Finally, these models are used to identify shale types and select suitable water saturation model for shaly formations. The models are validated using simulated data of porosity and...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–9, 1998
Paper Number: PETSOC-98-82
... resistivity factor Φ = porosity, fractional R o = resistivity of a non-shaly sample 100% saturated with water of resistivity R w WATER SATURATION FROM CAPILLARY PRESSURE MEASUREMENTS For the calculation of the average water saturation, capillary pressure measurements were made on 13 samples for...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–9, 1998
Paper Number: PETSOC-98-14
... porosity (φ) of the porous rock. He found from the results of his experiments that a dimensionless group of the form [P c / σ ∗ √(K/ φ)] versus water saturation (S w ) gives two satisfactory but closed curves, one for imbibitions of water and the other for drainage. Leverett's data showed that a plot of...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-110
...-bearing Basal Quartz channel sandstones of similar thickness. However, in many instances, the Basal Quartz reservoir sandstones exhibit large unanticipated intrawell and interwell variations in log derived porosity and resistivity. For instance, in some wells, sandstones in the upper portion of the...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-18
.... Consequently, the bulk of the oil was recovered when steam was not beinginjected. This behavior could not be explained by any of the conventional theoriesregarding thermal operations. It is speculated that geomechanical effects(namely, increases and decreases in porosity with pressurization...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-49
... an additional 4 BBO. 1 The problem of low recovery efficiency in SSC reservoirs is not restricted to the USA - it is a worldwide phenomenon. SSC reservoirs share a number of common characteristics, including: A high degree of areal and vertical heterogeneity, relatively low porosity and relatively...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-121
...-mechanical behavior near the transition towards sand. The objective of these experiments is to elucidate the subject by studying the slurry viscosity as a function of porosity. Shear viscosity of a fluid, as a measure of the rate of dissipative transverse momentum transfer due to shear (see, for example...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-57
... types of pressure transient response, which do not correspond to Warren and Root type dual porosity description. Stimulation results have proven difficult to predict. A reservoir characterization is presented which is consistent with observed production performance, pressure transient responses...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–11, 1996
Paper Number: PETSOC-96-84
... that if a formation contains gypsum (CaSO 4 .2H 2 O) or anhydrite (Ca SO 4 ). It can be dissolved in the near wellbore region, reprecipitated in the stimulated flow channels squeezed into the porosity and possibly cause blockages. In some cases the occurrence of calcium sulfate in a reservoir may not...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–11, 1996
Paper Number: PETSOC-96-23
... a geological approach to evaluating a horizontal well prospect in the oolitic shoal formation of Atuel Norte Field, in Argentina operated by Tecpetrol S.A. The study shows that drilling of medium turning- radius horizontal wells will overcome heterogeneous porosity and permeability distribution of...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–11, 1996
Paper Number: PETSOC-96-60
... the actual mechanism which are occurring in gas condensate reservoirs. MECHANISM OF FLOW IN NATURALLY FRACTURED RESERVOIRS Fluid flow in naturally fractured reservoirs differs significantly from that in a single porosity system. The numerical simulator breaks the reservoir into two different...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–11, 1996
Paper Number: PETSOC-96-48
... a dual-porosity model which allowed estimates of matrix and fracture porosities from logs. Water saturation in matrix and fractures were calculated with the use of a statistical procedure without previous knowledge of water resistivity. In addition, the interpretation led to estimates of bitumen...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–11, 1996
Paper Number: PETSOC-96-17
... Abstract Porosity and lithology are useful indicators of the hydrocarbon potential and productability of a reservoir. In the field, porosity and lithology can be determined using well logs, such as sonic, density. And neutron logs. For rapid processing of a large volume of well log data...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–11, 1996
Paper Number: PETSOC-96-56
..., porosity, and high temperature residual oil saturation. The use of high qualitysteam gave a better steam oil ratio than lower quality steam, consistent withthe concept that only the latent heat of the steam contributes to oil recoveryin the SAGD process. In all sensitivity runs, the ultimate sweep...

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