INVESTIGATION INVESTIGATION of the TEMPERATURE of the TEMPERATURE

EFFECTS EFFECTS on INTERPHACIAL on INTERPHACIAL

TENSION TENSION in WATER SOLUTIONS of in WATER SOLUTIONS of

NEFTENOLS GF & KNEFTENOLS GF & K

INVESTIGATION INVESTIGATION of the TEMPERATURE of the TEMPERATURE

EFFECTS EFFECTS on INTERPHACIAL on INTERPHACIAL

TENSION TENSION in WATER SOLUTIONS of in WATER SOLUTIONS of

NEFTENOLS GF & KNEFTENOLS GF & KA.P. LosevA.P. Losev

Scientific Scientific superviser I.D. superviser I.D.

BolotovaBolotova

A.P. LosevA.P. Losev

Scientific Scientific superviser I.D. superviser I.D.

BolotovaBolotova

SurfactantsSurfactantsSurfactantsSurfactants

Neftenol Neftenol GFGF

Neft

en

ol

Neft

en

ol

КК

Objects of researchObjects of researchObjects of researchObjects of research

Neftenol GFNeftenol GF – – cation surfactant, cation surfactant, drilling fluid component in primary drilling fluid component in primary tailing-in process, for blocking tailing-in process, for blocking colmatage and removing bound colmatage and removing bound water from the bedwater from the bed rockrock

The Products ofThe Products of JSCJSC « «Himeco-Himeco-GANGGANG»»

The Products ofThe Products of JSCJSC « «Himeco-Himeco-GANGGANG»»

Neftenol KNeftenol K – – surfactant for surfactant for hydrochlorid-acid treatment of hydrochlorid-acid treatment of bottomhole formation zonebottomhole formation zone

EquipmentEquipmentEquipmentEquipment

StalagmometStalagmometerer

StalagmometStalagmometerer

• Drops count Drops count methodmethod

•Temperatures to Temperatures to 555500CC

• The model The model of crude oil – of crude oil –

rectified petroleumrectified petroleum

• Drops count Drops count methodmethod

•Temperatures to Temperatures to 555500CC

• The model The model of crude oil – of crude oil –

rectified petroleumrectified petroleum

RefractometerRefractometer IRFIRF-454 -454 BB2М 2М

RefractometerRefractometer IRFIRF-454 -454 BB2М 2М

• Measurements of Measurements of refractive indexrefractive index from from 1,2 1,2 toto

1,71,7

• Temreratures Temreratures from 10 to 60 from 10 to 60 00CC

• Measurements of Measurements of refractive indexrefractive index from from 1,2 1,2 toto

1,71,7

• Temreratures Temreratures from 10 to 60 from 10 to 60 00CC

EquipmentEquipmentEquipmentEquipment

Concentration dependence Concentration dependence of interphacial tensionof interphacial tension

Concentration dependence Concentration dependence of interphacial tensionof interphacial tension

505000СС505000СС

330000СС330000СС

Neftenol GF solutions

CC riticalritical

MM icelliumicellium

CC oncentrationoncentration

CC riticalritical

MM icelliumicellium

CC oncentrationoncentration

Concentration, %

Temperature dependence of Temperature dependence of interphacial tensioninterphacial tension

Temperature dependence of Temperature dependence of interphacial tensioninterphacial tension

0,1%0,1%0,1%0,1%

0,250,25%%

0,250,25%%

Temperature, 0С

KKrafftrafft pointpoint

KKrafftrafft pointpoint

Neftenol GF solutions

Temperature dependence of Temperature dependence of refractive indexrefractive index

Temperature dependence of Temperature dependence of refractive indexrefractive index

1%1%1%1%

0,1%0,1%0,1%0,1%

Neftenol GF solutions

Temperature, 0С

The Theory of solutionsThe Theory of solutionsThe Theory of solutionsThe Theory of solutions

Refraction Refraction of ideal of ideal solutionsolution

Refraction Refraction of ideal of ideal solutionsolution

Increment Increment of of

refractionrefraction

Increment Increment of of

refractionrefraction

Refractive Refractive indices of indices of

pure pure substancessubstances

Refractive Refractive indices of indices of

pure pure substancessubstances

Water

Neftenol GF

r2=0.999

r2=1

Temperature dependence of refraction Temperature dependence of refraction of 0.1% Neftenol GF solution of 0.1% Neftenol GF solution

Temperature dependence of refraction Temperature dependence of refraction of 0.1% Neftenol GF solution of 0.1% Neftenol GF solution

Theoretical Theoretical curvecurve

Theoretical Theoretical curvecurve

Experimental Experimental curvecurve

Experimental Experimental curvecurve

Temperature, 0С

Increment of refraction Increment of refraction of Neftenol GF of Neftenol GF

solutionssolutions

Increment of refraction Increment of refraction of Neftenol GF of Neftenol GF

solutionssolutions

0,1%0,1%0,1%0,1%

0,25

0,25

%%0,25

0,25

%%

Temperature, 0С

Phase diagramPhase diagramPhase diagramPhase diagram

SolutioSolution n + + crystalcrystal

ss

SolutioSolution n + + crystalcrystal

ss

SolutioSolutionn + +

micellemicelless

SolutionSolutionSolutionSolution

Concentration, %

Tem

pera

ture

, 0С

Krafft pointKrafft pointKrafft pointKrafft point

CMCCMCCMCCMC

SolubilitSolubilit

yySolubilitSolubilit

yy

ConclusionsConclusionsConclusionsConclusions

The The new techniquenew technique has been developed has been developed for investigation for investigation of temperature effects of temperature effects

in solutions in solutions

The best values The best values for practice application for practice application

areare ٧٧ concentrationsconcentrations

aboveabove 0,5% 0,5% ٧٧ temperaturestemperatures onlyonly above above 353500СС

ConclusionsConclusionsConclusionsConclusions

The author is grateful toThe author is grateful to

assass..prof.prof. II.А. .А. VedischevVedischev,,prof. prof. I.N. EvdokimovI.N. Evdokimov,,profprof. . VV.М. .М. PodgornovPodgornov,,assass..profprof NN..YY. . YeliseevYeliseev

The author is grateful toThe author is grateful to

assass..prof.prof. II.А. .А. VedischevVedischev,,prof. prof. I.N. EvdokimovI.N. Evdokimov,,profprof. . VV.М. .М. PodgornovPodgornov,,assass..profprof NN..YY. . YeliseevYeliseev

AknowlegementsAknowlegementsAknowlegementsAknowlegements

The work was done The work was done at the tailing-in at the tailing-in

laboratory laboratory of Drilling Depertment of Drilling Depertment and at the laboratory and at the laboratory of Physics Derartment,of Physics Derartment,Gubkin RSU of oil and Gubkin RSU of oil and

gas, gas, 2003-2004 2003-2004

The work was done The work was done at the tailing-in at the tailing-in

laboratory laboratory of Drilling Depertment of Drilling Depertment and at the laboratory and at the laboratory of Physics Derartment,of Physics Derartment,Gubkin RSU of oil and Gubkin RSU of oil and

gas, gas, 2003-2004 2003-2004