Well test for in-situ determination of oil and water relative permeabilities

2012 ◽  
Author(s):  
S. N. Zakirov ◽  
I. M. Indrupskiy ◽  
Ernest Sumbatovich Zakirov ◽  
D. P. Anikeev ◽  
I. V. Vasiliev ◽  
...  
Keyword(s):  
Well Test ◽  
Relative Permeabilities

Well Test for In-Situ Determination of Oil and Water Relative Permeabilities (Russian)

2012 ◽  
Author(s):  
S. N. Zakirov ◽  
I. M. Indrupskiy ◽  
Ernest Sumbatovich Zakirov ◽  
D. P. Anikeev ◽  
I. V. Vasiliev ◽  
...  
Keyword(s):  
Well Test ◽  
Relative Permeabilities

A Well Test for In-Situ Determination of Relative Permeability Curves

2008 ◽  
Vol 11 (01) ◽  
pp. 95-107 ◽  
Author(s):  
Shi Chen ◽  
Gaoming Li ◽  
Alvaro M. Peres ◽  
Albert C. Reynolds
Keyword(s):  
Relative Permeability ◽  
Well Test ◽  
Relative Permeability Curves

A Well Test for In-Situ Determination of Relative-Permeability Curves

2005 ◽  
Author(s):  
Shi Chen ◽  
Gaoming Li ◽  
Alvaro Marco Peres ◽  
Albert Coburn Reynolds
Keyword(s):  
Relative Permeability ◽  
Well Test ◽  
Relative Permeability Curves

INDIREKTE PAPIERCHROMATOGRAPHISCHE METHODE ZUR BESTIMMUNG DER HARNOESTROGENE

1961 ◽  
Vol 38 (4) ◽  
pp. 545-562 ◽  
Author(s):  
L. Kecskés ◽  
F. Mutschler ◽  
I. Glós ◽  
E. Thán ◽  
I. Farkas ◽  
...  
Keyword(s):  
Pregnant Women ◽  
Granulosa Cell ◽  
Iron Content ◽  
List Type ◽  
Granulosa Cell Tumour ◽  
Hydrolysis Of ◽  
Phenol Fraction ◽  
Qualitative Determination

ABSTRACT 1. An indirect paperchromatographic method is described for separating urinary oestrogens; this consists of the following steps: acidic hydrolysis, extraction with ether, dissociation of phenol-fractions with partition between the solvents. Previous purification of phenol fraction with the aid of paperchromatography. The elution of oestrogen containing fractions is followed by acetylation. Oestrogen acetate is isolated by re-chromatography. The chromatogram was developed after hydrolysis of the oestrogens 'in situ' on the paper. The quantity of oestrogens was determined indirectly, by means of an iron-reaction, after the elution of the iron content of the oestrogen spot, which was developed by the Jellinek-reaction. 2. The method described above is satisfactory for determining urinary oestrogen, 17β-oestradiol and oestriol, but could include 16-epioestriol and other oestrogenic metabolites. 3. The sensitivity of the method is 1.3–1.6 μg/24 hours. 4. The quantitative and qualitative determination of urinary oestrogens with the above mentioned method was performed in 50 pregnant and 9 non pregnant women, and also in 2 patients with granulosa cell tumour.

Single Crystal Growth of High-Pressure Phases of Ice and Salt Hydrate Far Below the Original Melting Point by Mixing Alcohol: Crystal Structure Determination of Magnesium Chloride Heptahydrate

2020 ◽  
Author(s):  
Keishiro Yamashita ◽  
Kazuki Komatsu ◽  
Hiroyuki Kagi
Keyword(s):  
Crystal Structure ◽  
High Pressure ◽  
Crystal Growth ◽  
Single Crystal ◽  
Room Temperature ◽  
Growth Technique ◽  
Salt Hydrate ◽  
X Ray

An crystal-growth technique for single crystal x-ray structure analysis of high-pressure forms of hydrogen-bonded crystals is proposed. We used alcohol mixture (methanol: ethanol = 4:1 in volumetric ratio), which is a widely used pressure transmitting medium, inhibiting the nucleation and growth of unwanted crystals. In this paper, two kinds of single crystals which have not been obtained using a conventional experimental technique were obtained using this technique: ice VI at 1.99 GPa and MgCl<sub>2</sub>·7H<sub>2</sub>O at 2.50 GPa at room temperature. Here we first report the crystal structure of MgCl2·7H2O. This technique simultaneously meets the requirement of hydrostaticity for high-pressure experiments and has feasibility for further in-situ measurements.

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