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2 edition of Review of petroleum oil saturation and its determination found in the catalog.

Review of petroleum oil saturation and its determination

Erle C Donaldson

Review of petroleum oil saturation and its determination

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Published by Dept. of Energy, Technical Information Center, for sale by the National Technical Information Center in [Washington], Springfield, Va .
Written in English

    Subjects:
  • Petroleum -- Analysis

  • Edition Notes

    StatementbyErle C. Donaldson and Michael E. Crocker, Bartlesville Energy Research Center, U.S. Department of Energy
    SeriesBERC/RI ; 77/15
    ContributionsCrocker, Michael E., joint author, United States. Dept. of Energy. Technical Information Center
    The Physical Object
    Paginationiv, 43 p. :
    Number of Pages43
    ID Numbers
    Open LibraryOL14863595M

    Air saturation of crude oil shall not be done to avoid potential vapor loss. However air saturation of the chilled verification fluid is mandatory (see and Section 11). This test method can also be applied in online applications. Recently, low salinity brine injection has been given a great interest as a technique for enhanced oil recovery (EOR) by waterflooding. Varying experimental results have been reported in the literature, from many promising results to limited or no effects of low salinity. The application of low salinity water in combination with other established EOR processes (e.g., surfactant flooding and. However, no determination was made of the critical condensate saturation under actual reservoir pressure and temperature conditions. Our experiments include the simulation of field flow conditions with actual reservoir pressure and temperature and the use of hydrocarbon mixtures with phase properties similar to those of gas-condensate systems. MPMS Chapter Determination of Water and/or Sediment in Crude Oil by the Centrifuge Method (Field Procedure) MPMS Chapter Test Method for Water in Petroleum Products and Bituminous Materials by Distillation (ASTM Test Method) MPMS Chapter Test Method for Water in Crude Oils by Coulometric Karl Fischer Titration (ASTM Test Method).


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Review of petroleum oil saturation and its determination by Erle C Donaldson Download PDF EPUB FB2

Donaldson, Erie C, and Crocker, Michael E. Review of Petroleum Oil Saturation and its States: N. p., Web. doi/ The amount and distribution of residual oil saturation (ROS) are critical parameters for determining whether to apply an EOR process to a reservoir.

A brief review of available ROS techniques is presented, indicating advantages, limitations, problems, and possible improvements of each technique.

Determination of residual oil saturation (S or) is a fundamental requirement for studying and understanding the behavior of a field during waterflooding and beyond. Especially, before embarking on a tertiary recovery scheme, it is imperative to know the S or of the reservoir in order to assess its technical feasibility and profitability.

by: 3. made by carefully studying the residual oil saturations of the cores as THE USE OF CORE DETERMINED FLUID SATURATIONS In the oil-saturated regions, the samples will have essentially a constant value for residual oil saturations, probably 15% or greater. In the gas region, the oil saturation is small or vanishes.

Determination of Residual Oil Saturation from Well Logs. WALTER H. FERTL Western Atlas International, Houston, TX, & GEORGE V. CHILINGARIAN Petroleum Engineering Department, University of Southern California, Los Angeles, CA, Pages Published online: 16 May Download citation Author: Walter H.

Fertl, George V. Chilingarian. Residual Oil Saturation Determination Techniques There are several ways to determine or estimate the residual oil saturation (Sor) or the remaining oil saturation (ROS). These include core analysis. ROS remaining oil saturation after waterflood ROZ residual oil zone SCAL special core analysis S o oil saturation after a certain amount of oil production, in decimal format S oi initial oil saturation, in decimal format So start of CO2-EOR oil saturation at the start of carbon dioxide enhanced oil recovery, in decimal format S orw.

After the process the water saturation can be determined directly. The oil saturation is an indirect determination. By knowing the weight of core sample before the test, the weight of the dried sample after the test, and the weight of extracted water we can determine the oil saturation: Figure ASTM Extraction Apparatus.

Centrifugal method. A saturated oil reservoir is under consideration to be waterflooded immediately after drilling and completion.

Core analysis tests indicate that the initial and residual oil saturations are 70 and 35%, respectively. Calculate the displacement efficiency when the oil saturation is.

surface can not be used as a quantitative measure of saturation of oil, gas and water in the reservoir. However, if water based mud is used the presence of oil in the core indicates that the rock information is oil bearing. When the core arrives in the laboratory plugs are usually drilled cm apart throughout the reservoir interval.

Reservoir fluid properties such as oil formation volume factor (B o) and bubble point pressure (P b) need to be determined with high accuracy as they are the key parameters in most petroleum.

At connate (or irreducible) water saturation (S wc), oil relative permeability is at its maximum (k rom).As water saturation increases (imbibition), oil relative permeability decreases and water relative permeability increases until no more oil can be displaced by water, at which point oil saturation = S or (irreducible oil saturation) and water saturation S w = 1 − S or.

Determination of Crude Oil Saturation Pressure Using Linear Genetic Programming. A review on recent The book moves on to methodically address artificial intelligence technology and. This demonstrates the robust nature of the test that the non-uniqueness of the match does not affect residual oil saturation determination.

The residual oil saturation determined by simple analytical models including mass balance method, peak method and mean retention volume method were all in the range of 34% to 38%, in excellent agreement. This edition has been compiled to address the need for guidelines for the determination and classification of oil and gas estimation, classification, and reporting of oil and gas reserves and related substances has always been a vital part of the oil and gas industry; however, no standardized definitions have been universally accepted across the industry.

Accurate estimation of the residual oil saturation (ROS) and its distribution in the reservoir is critical in the economic evaluation of any prospect for the application of enhanced oil recovery (EOR) or infill drilling.

Simulation and fluid flow prediction of many petroleum‐enhanced oil recovery methods as well as environmental processes such as carbon dioxide (CO 2) geological storage or underground water resources remediation requires accurate modeling and determination of relative permeability under different saturation on this critical need, several three‐phase relative permeability.

The saturation pressure versus temperature for crude oil sample (No. 82) reported by Coats and Smart has been used to check validity of the model. Fig. 8 shows the comparison between LSSVM to a change in temperature as compared with other predictive correlations.

As expected, this figure shows that all the studied models predict an increase in the saturation pressure as a function of. This article is a synopsis of paper SPE"Accurate Oil-Saturation Determination and Monitoring in a Heavy-Oil Reservoir," by Paul Harness, SPE, and Noel Shotts, SPE, Texaco E&P Inc.; Jim Hemingway and David Rose, GeoQuest; and Roy van der Sluis, SPE, Schlumberger Wireline and Testing, originally presented at the SPE Western Regional Meeting, Bakersfield, California, 10.

A proposed solution to the determination of water saturation: using a modelled equation March Journal of Petroleum Exploration and Production Technology 8(06). Eighteen crude oils and condensates have been investigated by means of infrared (IR) and near-infrared spectroscopy (NIR) and high-performance liquid chromatography (HPLC).

By means of HPLC the samples have been separated into four chemical group classes, namely saturates, aromatics, resins, and asphaltenes, the so-called SARA fractions. Using multivariate analysis techniques such as. This residual oil saturation varies depending on lithology, pore size distribution, permeability, wettability, fluid characteristics, recovery method, and production scheme.

Determination of the residual oil saturation of a reservoir is a key parameter for reserve assessment and recovery estimates. @article{osti_, title = {Determination of residual oil saturation after waterflooding}, author = {Cordiner, F S and Gordon, D T and Jargon, J R}, abstractNote = {This paper illustrates the use of several independent testing and calculational procedures for determining residual hydrocarbon saturations remaining in a reservoir after waterflooding.

fundamentals of petroleum reservoir engineering. 36 full pdfs related to this paper. fundamentals of petroleum reservoir engineering. Determination of saturation.

The fraction of pore space containing water is termed water saturation (S w). The remaining fraction containing oil or gas is termed hydrocarbon saturation (Sh) which equals (1 − S w). The general assumption is that the reservoir was initially filled with water and that over geological time, oil or gas that.

Reservoir characterization is an important phase in oil and gas field development, which takes place during the appraisal phase of either a green field or a brown field upon which further development options are considered. Water saturation is a very important parameter in the general description of the reservoir as well as equity determination and dynamic modelling.

Determination of Connate Water Saturation. The determination of the actual (or connate) water saturation in the reservoir rock is not obtainable from routine analysis, due to the environmental factors mentioned earlier, except when the rock exists at its critical (minimum or irreducible) water saturation and is cored with oil or an oil.

The composition of unsaturated fats in olive oil, coconut oil, canola oil and peanut oil are 86%, 9%, 93%, 80%. Therefore, the order of oils in increasing degree of unsaturation is coconut oil, peanut oil, olive oil, and canola oil.

And the order in increasing iodine value may be coconut oil, peanut oil, olive oil, and canola oil. Variables. Where So = oil saturation Sg = gas saturation Sw = water saturation Thus, all saturation values are based on pore volume and not on the gross reservoir volume.

he saturation of each individual phase ranges between zero to percent. By definition, the sum of the saturations is %, therefore. @article{osti_, title = {Determination of residual oil saturation with the borehole gravity meter}, author = {Maute, R E and Gournay, L S}, abstractNote = {Use of the borehole gravity meter (BHGM) to measure remaining oil saturation is a method new to the industry.

The technique is described, and its applicability to Middle East. The determination of microscopic residual gas distribution is beneficial for exploiting reservoirs to their maximum potential. In this work, both forced and spontaneous imbibition (waterflooding) experiments were performed on a high-pressure displacement experimental setup, which was integrated with nuclear magnetic resonance (NMR) to reveal the impacts of capillary number (Ca) and initial.

Morrow, N.R.,A Review of the Effects of Initial Saturation, Pore Structure and Wettability on Oil Recovery by Waterflooding, In Proc. North Sea Oil and Gas Reservoirs Seminar, Trondheim. and determination of the Archie saturation exponent “n” that is itself wettability dependent during imbibition.

We also compare the results of a saturation-height function with the values of water saturation extraction from cores cored with oil based mud (OBM). Direct water saturation from. The most severe change in oil saturation is caused by expulsion (bleeding) and associated shrinkage of the quantity of oil in the core as pressure decreases when the core is lifted to the surface.

Attempts have been made to correct oil-saturation measurements obtained by conventional coring analysis, but with unreliable results.

Determination of residual oil saturation is therefore an important requirement fro studying and understanding the behavior of field during water flooding and beyond. Before embarking on a tertiary recovery scheme, it is imperative getting to know the residual oil saturation of the reservoir in order to access its technical feasibility and.

To investigate the characteristics of oil distribution in porous media systems during a high water cut stage, sandstones with different permeability scales of × 10 −3 μm 2 and × 10 −3 μm 2 were imaged under a resolution of μm during a water flooding process using X-ray tomography. Based on the cluster-size distribution of oil segmented from the tomography images and.

Axisymmetric drop shape analysis (ADSA) has been applied to study the interfacial interactions of CO2 and reservoir fluid systems at elevated pressures and high temperatures. Using ADSA for the pendant drop technique, it was possible to determine the interfacial tension (IFT) and visualize the interfacial interaction phenomenon of CO2/crude oil, CO2/brine, crude oil/brine, and crude oil/CO2.

Fuel Oil #2. Fuel oil #2 is a petroleum distillate that may be referred to as domestic or industrial. The domestic fuel oil #2 is usually lighter and straight-run refined; it is used primarily for home heating and to produce diesel fuel #2.

Industrial distillate is the cracked type, or a blend of both. It is used in smelting. For determination of the vapor pressure of liquefied petroleum gases, refer to Test Method D or Test Method D For determination of the vapor pressure of gasoline-oxygenate blends, refer to Test Method D The precision for crude oil has not been determined since the early s (see Note 3).

Dramatic narrative, arresting analysis and original research are combined in this book, which addresses the history of one of the world's biggest oil businesses between and Assessing BP's comparative performance, the book focuses on how BP responded politically, economically and culturally to the rise of new competitors, the decline of Britain's imperial power, and the determination.

The book contains a short introduction to important definitions for oil and gas reservoirs (Chapter 1). The two main parts of the book is related to petro-physics (Chapter 2 to 10), and.Given typical permeabilities of sandstone, and flow rate of oil can range from 1 to km per million years. This is faster than rate of generation and expulsion, so oil generation is the rate-limiting factor.

Because the carrier bed has to reach a minimum oil saturation before oil can flow, there is a volumetric loss associated with migration.displacing oil. We apply the inverse modeling procedure to reconstruct the saturation profiles from the experimental data.

The results of the numerical experiments and the core flooding experiments are described and discussed separately. Appendix A presents the relationship between the water saturation and the electric properties of porous media.