BUFFER LIQUID Russian patent published in 1998 - IPC

Abstract RU 2119040 C1

FIELD: oil and gas production industry. SUBSTANCE: buffer liquids intended for removing clayey crusts, polymeric and oil films. Buffer liquid contains following components: water, sodium tripolyphosphate and polymerized monomer of dimethyldiallylammonium oh chloride which is represented by water-soluble polyeletrolyte. Ratio of components is as follows, mas.%: sodium tripolyphosphate, 1.5-2.0; water-soluble polyelectrolyte, 0.025-0.1; water, the balance. The buffer liquid is aimed at widening functional potentialities. EFFECT: higher efficiency. 1 ex

Similar patents RU2119040C1

Title	Year	Author	Number
METHOD FOR INHIBITING FERMENT-ASSISTED DECOMPOSITION OF POLYSACCHARIDES IN DRILLING FLUIDS	1996	Muslimov R.Kh. Jusupov I.G. Kateev R.I. Sharafutdinov Z.Z. Zubarev V.I.	RU2109032C1
METHOD FOR CONSOLIDATION OF UNSTABLE CLAYEY DEPOSITIONS EXPOSED BY DRILLING	1996	Kateev I.S. Momot V.I. Shakirov A.N. Sulejmanov Eh.I. Kateev R.I. Sharafutdinov Z.Z.	RU2148701C1
METHOD FOR DRILLING UNSTABLE CLAYEY DEPOSITIONS IN BORE-HOLE	1996	Mavljutov M.R. Khakimov F.M. Kateeva R.I. Sharafutdinov Z.Z. Giljazetdinov Z.F. Saitgaraev R.Z.	RU2148702C1
FLUSH FLUID	2015	Bakirov Daniyar Lyabipovich Burdyga Vitalij Aleksandrovich Babushkin Eduard Valerevich Voronkova Natalya Vasilevna Chudnovskaya Alena Vadimovna	RU2592308C1
DISPLACEMENT LIQUID	2004	Lukmanov Rauf Rakhimovich Bakirov Danijar Ljabipovich Burdyga Vitalij Aleksandrovich	RU2268350C1
METHOD OF BOREHOLE DRILLING	1995	Garaev N.S. Kateev R.I. Kateeva R.I. Moskvicheva N.T. Fatkullin R.Kh. Shajakhmetov Sh.K.	RU2097529C1
METHOD OF WELL DRILLING	1998	Galeev R.G. Kateev I.S. Kateev R.I. Shakirov A.N. Fedorov V.A.	RU2146690C1
DISPLACEMENT FLUID	2001	Shamina T.V. Kuksov A.K.	RU2204692C2
GROUTING MORTAR	1992	Okishev N.A. Ivanov A.G. Karpenko I.V.	RU2039207C1
PROCEDURE FOR INCREASING STRENGTH OF CONTACT OF ANNULUS CEMENT STONE WITH ENVIRONMENT IN WELL	2007	Nurislamov Nail' Bashirovich Kateev Timur Rustemovich Kateeva Raisa Irekovna Senochkin Petr Dmitrievich Mel'Nikov Dmitrij Vladimirovich Abdullin Il'Dar Miassarovich	RU2366800C2

RU 2 119 040 C1

Authors

Mavljutov M.R.

Kateev R.I.

Khamidullin R.K.

Kashapov S.A.

Shajakhmetov A.Sh.

Dates

1998-09-20—Published

1996-06-25—Filed