Show metadata Hide metadata

(19)

(11)

2 443 747

(13)

(51)

IPC

C09K8/10(2006-01-01)

(21) (22)

Application

2010131329/03, 2010-07-26

(24)

Start date

2010-07-26

(22)

Actual filing date

2010-07-26

(45)

Published

2012-02-27

(72)

Inventor

Kudasheva Florida KhusainovnaMustafin Akhat Gaziz'JanovichBadikova Al'Bina DarisovnaTeptereva Galina AlekseevnaGimaev Ragib Nasretdinovich

(73)

Holder

Bashkirskij Gosudarstvennyj Universitet

METHOD FOR OBTAINING REAGENT FOR DRILLING FLUID Russian patent published in 2012 - IPC C09K8/10

Abstract RU 2443747 C1

FIELD: oil and gas industry.

SUBSTANCE: method for obtaining reagent for drilling fluid involves treatment of lignosulphonate with sulphuric acid and bichromate of alkali metal to pH 1-1.5 with further partial neutralisation by means of sodium hydroxide to pH 4-5; drying. At the specified treatment there introduced is sulphide-alkali drain - waste of petrochemical activities, which contains 6-8 g/l of sulphide sulphur, in quantity of 25-30 parts by weight.

EFFECT: reducing the contamination of waste water with connections of hexatomic chrome.

1 tbl

Similar patents RU2443747C1

Title	Year	Author	Number
METHOD OF PRODUCING DRILLING FLUID	2010	Kudasheva Florida Khusainovna Mustafin Akhat Gaziz'Janovich Badikova Al'Bina Darisovna Teptereva Galina Alekseevna Gimaev Ragib Nasretdinovich Sharipov Tagir Vil'Danovich Kuljashova Irina Amirovna Asfandijarov Lutfurakhman Khabibrakhmanovich Akchurin Khamzja Iskhakovich	RU2451042C1
METHOD OF BORING REAGENT FABRICATION	2008	Kudasheva Florida Khusainovna Badikova Al'Bina Darisovna Teptereva Galina Alekseevna Kuljashova Irina Nikolaevna Gimaev Ragib Nasretdinovich Bikbulatov Rustem Khamitovich Nebit Arkadij Nikolaevich Julbarisov Il'Gizar Minnegareevich	RU2375404C1
METHOD FOR OBTAINING REAGENTS FOR DRILLING FLUIDS	2015	Badikova Al'Bina Darisovna Kuleshova Irina Nikolaevna Komkova Ljudmila Pavlovna Chetvertneva Irina Amirovna Kudasheva Florida Khusainovna Gimaev Ragib Nasretdinovich	RU2574659C1
METHOD OF PRODUCING DRILLING REAGENT FOR CLAY SOLUTIONS	2018	Badikova Albina Darisovna Fedina Regina Alsynovna Mustafin Akhat Gazizyanovich Sakhibgareev Samat Rifovich	RU2708428C1
METHOD OF PREPARING MIXED CHROMIUM-METAL-CONTAINING LIGNOSULFONATES REAGENTS FOR TREATMENT OF DRILLING MUDS	1998	Vakhrushev L.P. Pen'Kov A.I. Rastegaev B.A. Koshelev V.N. Dubakin A.S. Arkhipov A.I. Ivanov V.D.	RU2152420C1
REAGENT FOR TREATING DRILLING FLUIDS USED IN DRILLING OIL AND GAS WELLS, AND A METHOD FOR ITS PRODUCTION	2021	Evstigneev Eduard Ivanovich Vasilev Aleksandr Viktorovich	RU2761563C1
METHOD OF PREPARING METAL-CONTAINING LIGNOSULFONATE DRILLING REAGENT	2000	Akchurin Kh.I. Nigmatullina A.G. Nigmatullin N.G. Shamsutdinov R.D. Mart'Janova S.V.	RU2162873C1
METHOD OF PRODUCING MODIFIED FERROCHROME-LIGNOSULPHONATE REAGENT	2015	Kulyashova Irina Nikolaevna Badikova Albina Darisovna Teptereva Galina Alekseevna Konesev Gennadij Vasilevich Chetvertneva Irina Amirovna Akchurin Khamzya Iskhakovich	RU2606005C1
MUD FLUID TREATMENT REAGENT	2013	Rakhimov Aleksandr Imanuilovich Vostrikova Ol'Ga Valentinovna Rakhimova Nadezhda Aleksandrovna Petrosjan Ehdgar Vachaganovich	RU2526089C1
INTEGRATED WASTE TREATMENT PLANT (VERSIONS)	2014	Kondrat'Ev Aleksandr Sergeevich Smakov Marat Rinatovich Dekhtjar' Evgenij Fedorovich	RU2569153C1

RU 2 443 747 C1

Authors

Kudasheva Florida Khusainovna

Mustafin Akhat Gaziz'Janovich

Badikova Al'Bina Darisovna

Teptereva Galina Alekseevna

Gimaev Ragib Nasretdinovich

Dates

2012-02-27—Published

2010-07-26—Filed