WELL MOUTH ARMATURE Russian patent published in 2004 - IPC

Abstract RU 2242583 C2

FIELD: oil extractive industry.

SUBSTANCE: armature has pipe head with side branches, supported by pipe support with side branches, and device for decreasing pressure in inter-tubular space. Device for pressure decrease is made in form of flow tube mounted in branch of pipe support. Lowered pressure area in flow pipe is connected via branch pipe to hollow of column head and ring-shaped space between operation column and tubing pipes column.

EFFECT: simplified construction, higher reliability.

1 dwg

Similar patents RU2242583C2

Title	Year	Author	Number
WELLHEAD EQUIPMENT	2007	Sharifullin Tagir Agzamnurovich	RU2368759C2
PIPE HEAD	2016	Saitov Azat Atlasovich Shamsutdinov Ilgizyar Gaptnurovich Menshaev Aleksandr Nikolaevich	RU2650000C1
TUBE HEAD	2016	Saitov Azat Atlasovich Shamsutdinov Ilgizyar Gaptnurovich Valovskij Vladimir Mikhajlovich	RU2637681C1
WELLHEAD EQUIPMENT FOR COAL-METHANOL WELLS	2012	Zolotykh Stanislav Stanislavovich Gergert Viktor Vladimirovich Nejmetov Sergej Vasil'Evich Korovitsyn Artem Pavlovich Sal'Nikov Vitalij Viktorovich Aulov Jurij Gennad'Evich	RU2498046C2
DEVICE FOR RELEASE OIL GAS FROM ANNULUS	2016	Petrov Vladimir Nikolaevich Osnos Vladimir Borisovich	RU2637683C1
METHOD FOR COMPLEX PRODUCTION OF HYDROCARBONS FROM OIL AND GAS CONDENSATE WELLS AND A SYSTEM FOR ITS IMPLEMENTATION	2020	Poushev Andrei Viktorovich Iazkov Aleksei Viktorovich	RU2756650C1
SEALING FITTINGS (VERSIONS)	1998	Abramov A.F.	RU2143052C1
FITTINGS OF WELL-HEAD	1996	Abramov A.F.	RU2159842C2
WELLHEAD EQUIPMENT	2018	Arifulin Rafik Khasanovich Arifulina Diana Nikolaevna	RU2665844C1
WELLHEAD EQUIPMENT	2014	Saitov Azat Atlasovich Vil'Danov Nafis Adgamovich Shamsutdinov Ilgizjar Gaptnurovich Valovskij Vladimir Mikhajlovich Osnos Vladimir Borisovich	RU2547028C1

RU 2 242 583 C2

Authors

Babaev A.K.

Mil'Chakov V.G.

Sarychev I.V.

Dates

2004-12-20—Published

2002-11-12—Filed