COMPOSITION FOR SUPPRESSION OF CLAY SWELLING Russian patent published in 2003 - IPC

Abstract RU 2208148 C1

FIELD: oil producing industry, particularly, technology of oil recovery with use of chemical substances for restoration or increase of producing formation permeability. SUBSTANCE: composition includes hydrocarbons and acid in form of mixture of formic, acetic, propionic, butyric, succinic acids and water with the following amounts of components, wt.%: hydrocarbons 1.0-5.0; formic acid 3.0-10.0; acetic acid 20.0- 60.0; propionic acid 5.0-14.0; butyric acid 1.0-3.0; succinic acid 1.0-3.0; the balance, water. EFFECT: higher efficiency of clay swelling suppression in treatment of mudded-off, mudded-off - carbonized terrigenous and carbonate reservoirs, stabilized and increased permeability of formation bottomhole zone. 1 tbl

Similar patents RU2208148C1

Title	Year	Author	Number
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
WATER SHUTOFF COMPOSITION	2002	Gafarov Sh.A. Gafarov N.A. Trjupina V.M. Khasanov F.F. Ten A.V.	RU2215135C1
ACID COMPOSITION FOR TREATMENT OF WELLS IN CARBONATE AND TERRIGENOUS RESERVOIRS, AND ACID TREATMENT METHOD OF BOTTOM-HOLE ZONE OF FORMATION WITH ITS APPLICATION	2013	Nikolaev Nikolaj Mikhajlovich Kokorev Valerij Ivanovich Karpov Valerij Borisovich Darishchev Viktor Ivanovich Kharlanov Sergej Anatol'Evich Filenko Denis Gennad'Evich Silin Mikhail Aleksandrovich Magadova Ljubov' Abdulaevna Pakhomov Mikhail Dmitrievich Davletov Zaur Rastjamovich Gubanov Vladimir Borisovich	RU2543224C2
ACID COMPOSITION FOR TREATMENT OF LOW-PERMEABLE TERRIGENOUS HEADERS WITH HIGH CARBONATE CONTENT AND METHOD OF ACID TREATMENT OF BOTTOM-HOLE FORMATION ZONE WITH BY USING IT	2009	Magadova Ljubov' Abdulaevna Silin Mikhail Aleksandrovich Gaevoj Evgenij Gennad'Evich Rud' Mikhail Ivanovich Pakhomov Mikhail Dmitrievich Mukhin Mikhail Mikhajlovich Ponomareva Viktorija Valer'Evna	RU2407769C1
INHIBITOR OF INORGANIC SALT DEPOSITION IN OIL AND GAS FIELD EQUIPMENT	0	Antipin Yurij Viktorovich Gafarov Shamil Anatolevich Shamaev Grigorij Anatolevich Vinogradova Nadezhda Leonidovna	SU1713899A1
COMPOSITION FOR ACID TREATMENT OF BOTTOMHOLE ZONE OF CARBONATE RESERVOIRS	2023	Ovchinnikov Kirill Aleksandrovich Podlesnova Ekaterina Vitalevna Geraskina Evgeniia Viktorovna	RU2810383C1
ACIDIC COMPOSITION FOR TREATMENT OF FORMATION BOTTOM-HOLE ZONE	2019	Gladunov Oleg Vladimirovich Kozlov Sergej Aleksandrovich Frolov Dmitrij Aleksandrovich Elesin Valerij Aleksandrovich Latypov Renat Takhirovich Marinin Ivan Aleksandrovich Chegurov Sergej Petrovich	RU2723768C1
HYDROCHLORIC ACID COMPOSITION FOR TREATMENT AND CLAY CAKE REMOVAL OF BOTTOMHOLE FORMATION ZONE	2018	Musabirov Munavir Khadeevich Dmitrieva Alina Yurevna	RU2704167C1
MULTIFUNCTIONAL ACID COMPOSITION FOR TREATMENT OF BOTTOMHOLE FORMATION ZONE AND METHOD OF ACID TREATMENT FOR BOTTOMHOLE FORMATION ZONE	2014	Fedorenko Vitalij Jur'Evich Petukhov Aleksej Sergeevich Bespalov Mikhail Vjacheslavovich Bulygina Tat'Jana Vladimirovna Zarov Andrej Anatol'Evich Galiev Azat Agljamutdinovich	RU2572401C2
ACID COMPOSITION FOR TREATING TERRIGENOUS OIL RESERVOIRS AND A METHOD FOR ACID TREATMENT OF BOTTOM AREA OF FORMATION	2003	Magadov R.S. Magadova L.A. Nikolaeva N.M. Pakhomov M.D. Gubanov V.B. Magadov V.R. Chekalina Gul'Chekhra Silin M.A. Gaevoj E.G. Rud' M.I. Zajtsev K.I.	RU2244816C1

RU 2 208 148 C1

Authors

Gafarov Sh.A.

Gafarov N.A.

Shamaev G.A.

Kharin A.Ju.

Gafarov A.Sh.

Dates

2003-07-10—Published

2002-04-22—Filed