... production trend production history coefficient reservoir characterization production rate fluid dynamics field trial production control history wave propagation upstream oil & gas flow in porous media reservoir scale reservoir surveillance excitation porosity experiment...

..., was used for comparison and the expected stimulated flow rate for 14-20 was 40 e3m3/d. Th well had an estimated perm of 0.5md, porosity of 15%, Sw of 20 30%, BHT of 70 °C, and was overpressured at 19 MPa BHP. Bulk volume water (BVW) was first estimated at 3 4.5%, leading to a water-based fracture design...

... is taken from the surface and hence it will be somewhat weathered. The porosity is quite high. The salt content that was measured is used in the triaxial testing to avoid effects from different pore chemical environment. The other sample was from Kimmeridge Bay, Isle of Purbeck, Dorseth UK (hereafter...

... of magnitude when sand is produced. The production of sand into a perforation was modelled 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...

...) the Conglomerate, Yellow Sand, Mudstone C, Blue Sand, Mudstone B, Red Sand and Mudstone A. The lowermost interval of the Belloy, the Conglomerate unit, is deposited in the very lowest portions of the Shunda erosional valleys. Thickness varies f?om 0 to 3 meters and is typically 2 to 2.5 meters. Porosities range...

...THE PETROLEUM SOCIETY PAPER 98-35 In Situ Permeability-porosity Relationship in Clean Formations SO. Osisanya, D. Tiab, S.A. Elgaghah University of Oklahoma This paper is to be presented at the 49th Annual Technical Meeting of The Petroleum Society in Calgary, Alberta, Canada, June 8 - 10, 1998...

... is that the use of conventional core test data simply does not work. Special equipment or procedures are required to determine the low permeabilities and porosities. Serious and more fundamental problems related to studying shaly formations is that of the very heterogeneous nature of shales. In addition...

... resistivity upstream oil & gas cook book water saturation capillary pressure measurement reservoir equation core analysis calculation water-oil ratio volumetric midpoint saturation log analysis conclusion porosity determination bridger lake field well logging average water...

... log analysis permeability equation reservoir rock shaly reservoir saturation reservoir laboratory measurement resistivity upstream oil & gas interfacial tension capillary pressure data resistivity gradient shaly formation true formation resistivity porosity equation...

...-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...

... Clearwater bitumen over the last decade at an oil- of operation, and (3) lower than expected amount of energy steam ratio of over 0.35. Steam is injected via a vertical was produced. injector, and oil produced via a horizontal producer. It was Changes in porosity, permeability and relative observed that oil...

... characterization carbonate well logging porosity characteristic integration highest quality development drilling location prediction IMPROVED PREDICTION OF RESERVOIR BEHAVIOR THROUGH INTEGRATION OF QUANTITATIVE GEOLOGICAL AND PETROPHYSICAL DATA J.B.AUMAN D.K.DAVIES R.K.VESSELL this article begins...

... are in discontinuous grains in bitumen and water, and their geomechanical contact with one another and we expect a sharper increase in behavior near the transition towards sand. The objective of relative viscosity for small decreases in porosity. The upper these experiments is to elucidate the subject by studying...

... difficulties. Production performance is discussed. They of key concepts derived based on the author's experience. also exhibit distinct types of pressure transient response, The following is discussed: which do not correspond to Warren and Root type dual porosity description. Stimulation results have proven...

.... in the stimulated flow channels, squeezed into the porosity and possibly cause blockages. THE PETROLEUM SOCIETY PAPER 96-84 Precipitation of Calcium Sulphate During Carbonate Acidizing: Minimizing the Risk J.R. Delorey, S. Allen, L. McMaster Nowsco Well Service Ltd. This paper is to be presented at the 47th Annual...

... 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...

... investigate productivity from these oil reservoirs. RESERVOIRS This research has investigated how to tune an equation of Fluid flow in naturally fractured reservoirs differs state so as to match the actual phase behavior which is significantly from that in a single porosity system. The occurring within...

... in British Columbia. The fractures was carried out with the use of a dual-porosity model are of tectonic origin and were probably generated which takes into account the presence of natural during the Laramide orogeny which created a series fractures and matrix porosity.' of compressional type structures...

...A NEW ROBUST ALGORITHM FOR RAPID DETERMINATION OF POROSITY AND LITHOLOGY FROM WELL LOGS T. CHAKRABARTY this article begins on the next page F THE PETROLEUM SOCIETY PAPER 96-17 A New Robust Algorithm for Rapid Determination of Porosity and Lithology from Well Logs T Chakrabarty Imperial Oil...

... of recoverable oil in place (due to technology developed at the Alberta Department of Energy differences in porosity and residual oil saturation). All the Underground Test Facility (UTF) pilot to a dipping oil sands UTF properties, except rock properties, lead to improved reservoir in the Liaoning province...