Formation waters or their mixtures with surface water applicability as possible agent for reservoir water-flooding purposes

Authors: A.V. Grishagin, V.I. Andreev (SamaraNIPIneft LLC, RF, Samara), А.E. Мanasian, А.S. Guba, S.P. Papuhin (Samaraneftegaz JSC, RF, Samara)

Key words: water injection process into reservoir, formation water stability and compatibility.

While evaluating the water injection process into reservoir for reservoir pressure maintenance purposes at the oil fields of the Volga-Urals Oil Province, SamaraNIPIneft ДДС Institute observes the industry requirements stipulated in ОSТ 39-225-88 with due consideration of previously published proposals of the author of the Report on revision of his ideas related to oil content, solids and oxygen in the injected water, restricting values of hydrogen index (pH). Basing upon the example of Samaraneftegaz JSC fields we are presenting a method to sel ect the water injected into the reservoir that is most acceptable fr om the stand-point of its chemical stability by carbonates and sulfates in surface and reservoir conditions, that do not impact upon the reservoir properties of rock, and in case with clayey reservoirs provide only minimum swelling of its clay components.

References
1. Grishagin A.V., Andreev V.I., Neftyanoe khozyaystvo – Oil Industry,
2009, no. 8, pp. 96-98.
2. Grishagin A.V., Akif'eva L.A., Dolganova G.I., Kolesnikov V.A. et al.,
Neftyanoe khozyaystvo – Oil Industry, 2010, no. 6, pp. 48-51.
3. Persiyantsev M.N., Grishagin A.V., Andreev V.V., Ryabin N.A., Neftyanoe
khozyaystvo – Oil Industry, 1999, no. 3, pp. 47-49.
4. Tronov A.V., Khokhlov D.B., Andreev V.V., Neftyanoe khozyaystvo – Oil
Industry, 1995, no. 8, pp. 13-15.
5. Grishagin A.V., Andreev V.I., Neft', gaz, novatsii, 2012, no. 3, pp.70-74. 

Key words: water injection process into reservoir, formation water stability and compatibility.

While evaluating the water injection process into reservoir for reservoir pressure maintenance purposes at the oil fields of the Volga-Urals Oil Province, SamaraNIPIneft ДДС Institute observes the industry requirements stipulated in ОSТ 39-225-88 with due consideration of previously published proposals of the author of the Report on revision of his ideas related to oil content, solids and oxygen in the injected water, restricting values of hydrogen index (pH). Basing upon the example of Samaraneftegaz JSC fields we are presenting a method to sel ect the water injected into the reservoir that is most acceptable fr om the stand-point of its chemical stability by carbonates and sulfates in surface and reservoir conditions, that do not impact upon the reservoir properties of rock, and in case with clayey reservoirs provide only minimum swelling of its clay components.

References
1. Grishagin A.V., Andreev V.I., Neftyanoe khozyaystvo – Oil Industry,
2009, no. 8, pp. 96-98.
2. Grishagin A.V., Akif'eva L.A., Dolganova G.I., Kolesnikov V.A. et al.,
Neftyanoe khozyaystvo – Oil Industry, 2010, no. 6, pp. 48-51.
3. Persiyantsev M.N., Grishagin A.V., Andreev V.V., Ryabin N.A., Neftyanoe
khozyaystvo – Oil Industry, 1999, no. 3, pp. 47-49.
4. Tronov A.V., Khokhlov D.B., Andreev V.V., Neftyanoe khozyaystvo – Oil
Industry, 1995, no. 8, pp. 13-15.
5. Grishagin A.V., Andreev V.I., Neft', gaz, novatsii, 2012, no. 3, pp.70-74. 


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