DELAYED-ACTION ACID AND GELLING COMPOSITION Russian patent published in 2002 - IPC

Abstract RU 2194157 C1

FIELD: oil producing industry, particularly, compositions based on hydrochloric acid for treatment of carbonate and carbonate-containing formations of oil deposits. SUBSTANCE: delayed-action acid and gelling composition has aluminosilicate, lignosulfonate and hydrochloric acid with the following ratio of components, mas.%: aluminosilicate (in terms of dry matter), 0.5-10.0; lignosulfonate (in terms of dry matter), 0.5-10.0; hydrochloric acid, the balance. Used in composition may be natural or synthetic aluminosilicate, including process wastes; may be also used nepheline, synthetic zeolites, wastes of zeolite production - zeolite slimes, high-alumina cement, etc. EFFECT: higher efficiency of treatment of carbonate reservoirs. 5 tbl, 5 ex

Similar patents RU2194157C1

Title	Year	Author	Number
ACID FORMULATION	2000	Katoshin A.F. Jakimenko G.Kh. Khlebnikov V.N. Zotikov V.I. Nazarov A.Ju. Jakovlev V.N. Gafurov O.G. Khisaeva D.A.	RU2173383C1
TREATMENT METHOD OF CARBONATE AND CARBONATE-CONTAINING FORMATIONS (VERSIONS)	2009	Andreev Vadim Evgen'Evich Kotenev Jurij Alekseevich Ptashko Oleg Anatol'Evich Dubinskij Gennadij Semenovich Ganiev Rivner Fazylovich Ukrainskij Leonid Efimovich Khuzin Rinat Raisovich Kaptelinin Oleg Vladislavovich Andreev Anton Vadimovich Kotenev Maksim Jur'Evich	RU2425209C2
OIL PRODUCTION METHOD	2005	Gabdrakhmanov Nurfajaz Khabibrakhmanovich Jakupov Rustam Fazylovich Jakimenko Galija Khasimovna Ramazanova Al'Fija Anvarovna	RU2295635C2
COMPOSITION FOR TREATING CARBONATE FORMATIONS	2000	Selimov F.A. Khajretdinov N.Sh. Kachin V.A. Kustov N.I. Kuzin S.L. Telin A.G. Blinov S.A. Chuprov N.M. Nechaeva O.E.	RU2184224C2
ENHANCED OIL RECOVERY METHOD	2021	Gabdrakhmanov Rustam Raisovich Rakovskii Timofei Aleksandrovich	RU2756823C1
ACID COMPOSITION FOR TREATMENT OF TERRIGENOUS RESERVOIR BOTTOMHOLE FORMATION ZONE WITH HIGH CARBONATENESS	2016	Mardashov Dmitrij Vladimirovich Podoprigora Dmitrij Georgievich Islamov Shamil Rasikhovich Bondarenko Anton Vladimirovich	RU2616923C1
METHOD FOR CONTROLLING PERMEABILITY OF NOT UNIFORM OIL DEPOSIT	2002	Galljamov I.M. Vagapov R.R. Plotnikov I.G. Mukhametshin M.M. Shuvalov A.V. Khlebnikov V.N. Ovchinnikov R.V.	RU2224879C1
METHOD FOR INCREASE OF OIL RECOVERY FROM FORMATIONS	1994	Ganiev R.R. Khlebnikov V.N. Jakimenko G.Kh. Adadurov Ju.N. Andreeva A.A. Bikbova A.A. Sirotinskij A.S. Darintsev O.V.	RU2069260C1
CARBONATE FORMATION TREATMENT COMPOSITION	2005	Selimov Farid Abdurakhmanovich Andreev Vadim Evgen'Evich Abyzbaev Ibragim Izmajlovich Kotenev Jurij Alekseevich Khajredinov Nil Shakhidzhanovich Nechaeva Ol'Ga Egorovna Rylov Evgenij Nikolaevich Poljakov Igor' Genrikhovich Buldakov Sergej Vjacheslavovich Andreev Anton Vadimovich Borovikov Igor' Borisovich	RU2305696C2
COMPOSITION TO UP BED PRODUCTION RATE (VERSIONS)	2013	Altunina Ljubov' Konstantinovna Kuvshinov Vladimir Aleksandrovich Stas'Eva Ljubov' Anatol'Evna Kuvshinov Ivan Vladimirovich Gerasimov Igor' Vital'Evich Ursegov Stanislav Olegovich	RU2529351C1

RU 2 194 157 C1

Authors

Khlebnikov V.N.

Takhautdinov R.Sh.

Ovchinnikov R.V.

Akhmadishin R.Z.

Dates

2002-12-10—Published

2002-03-20—Filed