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Keywords: permeability
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Journal Articles
SPE J. 25 (06): 793–803.
Paper Number: SPE-12739-PA
Published: 01 December 1985
... of their sandstone and shale beds, all of which determine the hydraulic properties of the units. Copyright 1985, Society of Petroleum Engineers shale unit 0 geothermal reservoir upstream oil & gas geothermal field sandstone structural geology sediment permeability well logging cerro prieto...
Journal Articles
SPE J. 25 (06): 893–901.
Paper Number: SPE-12253-PA
Published: 01 December 1985
... grid triangle permeability basis function petroleum engineer journal modeling & simulation equation geometry coordinate system differential equation development co enhanced recovery reservoir reservoir geometry The accurate and efficient simulation of fluid flow in a reservoir...
Journal Articles
SPE J. 25 (06): 917–926.
Paper Number: SPE-12112-PA
Published: 01 December 1985
...T. F. M. Kortekaas Festoon crossbedding is a typical sedimentary structure in sandstone reservoirs. It is especially common in fluvial deposits. The important elements are the foreset laminae, which vary in permeability, and the bottomsets of lower permeability. To understand the complex, direction...
Journal Articles
SPE J. 25 (06): 945–953.
Paper Number: SPE-12116-PA
Published: 01 December 1985
...Mark A. Miller; H. J. Ramey, Jr. Over the past 20 years, a number of studies have reported temperature effects on two-phase relative permeabilities in porous media. Some of the reported results, however, have been contradictory. Also, observed effects have not been explained in terms of fundamental...
Journal Articles
SPE J. 25 (06): 909–916.
Paper Number: SPE-12585-PA
Published: 01 December 1985
... where the rock properties first change may be approximately determined. The effect of heterogeneities on the pressure-drop profile is demonstrated with analytical solutions and laboratory experiments. I is a number that depends only on the relative permeabilities, viscosity ratio, and critical...
Journal Articles
SPE J. 25 (06): 839–847.
Paper Number: SPE-12520-PA
Published: 01 December 1985
... journal upstream oil & gas drillstem testing type curve ehlig-economide permeability geometry observation well interference test miller Interest in linear flow geometry was limited for a long time to water influx applications. Miller1 provided solutions for pressure distributions...
Journal Articles
SPE J. 25 (05): 729–742.
Paper Number: SPE-11599-PA
Published: 01 October 1985
... hydraulic fracturing reservoir permeability reservoir solution straight line agreement drillstem/well testing laplace transform layered reservoir assumption drillstem testing pressure transient analysis equation jt plot fracture conductivity production monitoring reservoir simulation...
Journal Articles
SPE J. 25 (05): 629–636.
Paper Number: SPE-11900-PA
Published: 01 October 1985
... of shear, and fluid-flow pattern as encountered under fracturing conditions. The effects of rock permeability, shear rate, and differential pressure on the dynamic leakoff coefficient are presented for various, commonly used fracturing-fluid/fluid-loss-additive combinations. One model commonly used...
Journal Articles
Journal Articles
SPE J. 25 (04): 482–490.
Paper Number: SPE-10259-PA
Published: 01 August 1985
... permeability hydraulic fracturing proppant drilling fluid management & disposal annular pressure drilling In the first part of this paper, we emphasize the design of a dynamic fluid-loss test apparatus that possesses none of these drawbacks. In the second part of the paper, test results...
Journal Articles
SPE J. 25 (04): 524–534.
Paper Number: SPE-10201-PA
Published: 01 August 1985
...M. Delshad; D. J. MacAllister; G. A. Pope; B. A. Rouse Experiments in both Berea sandstone and sandpacks have been conducted to measure dispersion and steady-state relative permeabilities. Measurements have been made on both high-tension brine/oil and a low-tension, three-phase, brine/oil...
Journal Articles
SPE J. 25 (04): 554–564.
Paper Number: SPE-12158-PA
Published: 01 August 1985
...J. G. J. Ypma A two-dimensional (2D) analytical model is presented for gas/oil gravity drainage in a homogeneous, dipping reservoir. The sensitivity of gas/oil gravity drainage to key variables such as injection rate, oil relative permeability, and permeability anisotropy can be determined quickly...
Journal Articles
SPE J. 25 (04): 603–613.
Paper Number: SPE-11233-PA
Published: 01 August 1985
... area of the sample, and L = length of the sample. In a flow experiment using homogeneous or nonassociated fluids, the mobility is equivalent to the ratio of permeability of the porous medium to viscosity of the fluid, in darcy/cp: (2) λ = k / μ . This work is directed...
Journal Articles
SPE J. 25 (03): 407–418.
Paper Number: SPE-11965-PA
Published: 01 June 1985
...R. E. Bremer; Hubert Winston; Saul Vela A mathematical model is developed that describes fluid flow and pressure behavior in a reservoir consisting of two permeable zones separated by a zone of low permeability, or a "tight zone." This model can be used to design and to interpret buildup, vertical...
Journal Articles
SPE J. 25 (03): 380–396.
Paper Number: SPE-10262-PA
Published: 01 June 1985
... this period depends on the contrast in horizontal permeabilities and on the degree of communication between the layers. During the third period, the reservoir can be described by an equivalent single-layer system. An examination of the time ranges of the various flow periods indicates that, unless tests...
Journal Articles
SPE J. 25 (04): 358–362.
Paper Number: SPE-11595-PA
Published: 01 June 1985
...Gary R. Chirlin Apparent permeability of a reservoir may be affected by local variations in permeability whose extent and location are not known in detail. One way to approximate this condition is to postulate a regular pattern of typically shaped and oriented inclusions. An example is the presence...
Journal Articles
SPE J. 25 (02): 291–302.
Paper Number: SPE-11495-PA
Published: 01 April 1985
... to permeability of the different layers. The model predicts the fractional oil recovery, the water cut, the total volume injected, and the change in the total pressure drop, or the change in injection rate at the water breakthrough in the successive layers. A systematic procedure for ordering of layers...
Journal Articles
SPE J. 25 (02): 202–214.
Paper Number: SPE-11713-PA
Published: 01 April 1985
.... 12 4 1983 30 4 1984 14 11 1983 1 4 1985 1 4 1985 Copyright 1985, Society of Petroleum Engineers conservation equation simulator upstream oil & gas sagd reservoir simulation relative permeability permeability factorization saturation heat capacity...
Journal Articles
SPE J. 25 (02): 215–226.
Paper Number: SPE-12102-PA
Published: 01 April 1985
..." of the system. This process can cause a very rapid initial pressure drop, on the order of megapascals, depending on the initial partial pressure of CO 2 . The flowing gas content from wells can provide information on in-place gas saturations and relative permeability curves that apply at a given geothermal...
Journal Articles
SPE J. 25 (02): 191–201.
Paper Number: SPE-11623-PA
Published: 01 April 1985
...K. R. Brower; N. R. Morrow A problem in formation evaluation of tight gas sands is that their permeabilities are sometimes surprisingly sensitive to variations in overburden pressure. Photomicrographs of pore casts show an interconnected system of sheet pores, which are somewhat like the surfaces...

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