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Keywords: matrix
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Proceedings Papers

Paper presented at the Annual Technical Meeting, June 13–17, 1999
Paper Number: PETSOC-99-55
... reservoir, especially if there is clay in the pore throats or if the cementation matrix is carbonaceous or if the reservoir lacks water. The problem is complicated in that many horizontal wells in formations with questionable competency are completed using a slotted liner, making any type of selective...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-03
... displaced from fractures plus pressure depletion from the matrix. The amount of pressure depletion in the matrix is a function of structural relief above the original gas/water contact. Subsequent gas recovery is an imbibition process, which may be very slow. Laboratory work, conducted at the TIPM...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 7–10, 1997
Paper Number: PETSOC-97-33
.... The solutions have not been published previously in the petroleum engineering literature. The solutions are presented for drawdown and buildup tests. The model assumes flow of gas condensate from a tight matrix into permeable natural fractures. The fractures conduct the fluids to the wellbore. It is...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 11–14, 1994
Paper Number: PETSOC-94-79
... Abstract A common question when dealing with tight matrix naturally fracturedreservoirs is - How can we determine if the matrix is contributing tohydrocarbon production? One source of information for helping to answer thisquestion is provided by matrix and fracture permeabilities determined...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 11–14, 1994
Paper Number: PETSOC-94-09
... different demulsifier chemical demulsifier variance covariance matrix composition demulsifier performance separation bottle test petroleum society perfonnance principal component analysis upstream oil & gas rock/fluid interaction fluid compatibility optimization production chemistry...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 11–14, 1994
Paper Number: PETSOC-94-16
... interporosity flow regime. The results have shown that the radius of investigation in such reservoirs starts increasing in the fracture network proportional to the square root of the fracture conductivity. When the matrix contribution to the flow of fluids starts the rate of advance of the radius decreases...
Proceedings Papers

Paper presented at the Annual Technical Meeting, April 20–23, 1991
Paper Number: PETSOC-91-53
... Abstract An analysis of the response of naturally fractured reservoirs to thermal recovery processes is presented, utilizing a suite of dual continuum reservoir simulation models (dual porosity, multiple interacting continua, vertical matrix refinement and dual permeability). The effects of...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–12, 1990
Paper Number: PETSOC-90-118
... Abstract The recovery of gas from coal beds is a two-step process. First, the gas diffuses through the matrix then, secondly, it flows through the cleats to the wellbore. If the release of gas from the matrix to the cleats is very rapid compared to the flow of gas and water in the cleats, the...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 9–12, 1990
Paper Number: PETSOC-90-119
... Abstract The key mechanisms of two-phase gas-water flow through coal beds as utilized in a new three-dimensional finite-difference simulator, COMETPC 3-D, are presented. The theory for gas transport through coal matrix, transfer of gas from matrix to fracture, and the adsorption isotherm...
Proceedings Papers

Paper presented at the Annual Technical Meeting, January 1, 1989
Paper Number: PETSOC-89-40-42
... were designed with sufficiently high density and very good fluid loss control. This paper analyses the problem of gas migration, presenting the mechanisms for its occurrence within the cement matrix or at the cement to formation interface. A description is then given of a successful technique of...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 11–15, 1988
Paper Number: PETSOC-88-39-02
... matrix symbolically, based on the structural patterns generated by D4 ordering. The reduced systemoccupies a single Quadrant of the original matrix, requiring fewer floatingpoint operations to solve. Execution time and memory requirements are compared between the Symbolic D4method and band algorithm...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 11–15, 1988
Paper Number: PETSOC-88-39-64
... type. Parts of the water can be stored in the matrix and parts in the system of natural fractures. The aquifer might be limited by an impermeable lithology and thus the oil reservoir and the aquifer can be contained within a closed volumetric unit. In other cases, the aquifer might outcrop at one or...
Proceedings Papers

Paper presented at the Annual Technical Meeting, May 2–5, 1981
Paper Number: PETSOC-81-32-22
... Abstract A naturally fractured reservoir consists of two distinct regions, each one with its own porosity and permeability. Data obtained from core analysis such as permeability, porosity, relative permeability curves and capillary pressures are representative of only the matrix (or primary...
Proceedings Papers

Paper presented at the Annual Technical Meeting, May 24–27, 1980
Paper Number: PETSOC-80-31-34
... Abstract In the reaction of formation rock with acid, as in a matrix acidizing treatment, varying quantities of insoluble fines are released or otherwise dislocated by the flow. Normal reservoir flow can also cause the breaking or dislodging of fragile clays and minerals present in the pore...
Proceedings Papers

Paper presented at the Annual Technical Meeting, June 10–12, 1975
Paper Number: PETSOC-75-18
... Abstract Matrix acidization has long been an important completion and stimulation tool. This paper discusses underlying concepts, treatment techniques, and results of acidizing both carbonates and sandstones. Introduction Acidization has been a useful process in initiating and promoting...

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