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RU2003125030A - METHOD FOR ATTACHING A COTTING TAIL WITH A BUTT INTO A DRILLING BAR - Google Patents

METHOD FOR ATTACHING A COTTING TAIL WITH A BUTT INTO A DRILLING BAR Download PDF

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Publication number
RU2003125030A
RU2003125030A RU2003125030/03A RU2003125030A RU2003125030A RU 2003125030 A RU2003125030 A RU 2003125030A RU 2003125030/03 A RU2003125030/03 A RU 2003125030/03A RU 2003125030 A RU2003125030 A RU 2003125030A RU 2003125030 A RU2003125030 A RU 2003125030A
Authority
RU
Russia
Prior art keywords
attaching
cotting
butt
tail
liner
Prior art date
Application number
RU2003125030/03A
Other languages
Russian (ru)
Original Assignee
Демь нов Олег Михайлович (RU)
Демьянов Олег Михайлович
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Демь нов Олег Михайлович (RU), Демьянов Олег Михайлович filed Critical Демь нов Олег Михайлович (RU)
Priority to RU2003125030/03A priority Critical patent/RU2003125030A/en
Publication of RU2003125030A publication Critical patent/RU2003125030A/en

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  • Earth Drilling (AREA)

Claims (1)

Способ крепления хвостовика обсадной колонны основного или бокового ствола скважины с упором в горную породу, исключающий перемещение хвостовика под действием силы тяжести, отличающийся тем, что хвостовик упирают не в забой пробуренного ствола, а упор производят в сужение пробуренного ствола элементом хвостовика, имеющим больший размер сечения, чем сечение сужения пробуренного ствола.A method of attaching a liner of a casing string of a main or lateral wellbore with emphasis on a rock, excluding the movement of the liner under the influence of gravity, characterized in that the liner does not rest against the bottom of the drilled hole, and the emphasis is made to narrow the drilled hole with a liner element having a larger cross-sectional dimension than the narrowing section of the drilled trunk.
RU2003125030/03A 2003-08-11 2003-08-11 METHOD FOR ATTACHING A COTTING TAIL WITH A BUTT INTO A DRILLING BAR RU2003125030A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2003125030/03A RU2003125030A (en) 2003-08-11 2003-08-11 METHOD FOR ATTACHING A COTTING TAIL WITH A BUTT INTO A DRILLING BAR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2003125030/03A RU2003125030A (en) 2003-08-11 2003-08-11 METHOD FOR ATTACHING A COTTING TAIL WITH A BUTT INTO A DRILLING BAR

Publications (1)

Publication Number Publication Date
RU2003125030A true RU2003125030A (en) 2005-02-10

Family

ID=35208563

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2003125030/03A RU2003125030A (en) 2003-08-11 2003-08-11 METHOD FOR ATTACHING A COTTING TAIL WITH A BUTT INTO A DRILLING BAR

Country Status (1)

Country Link
RU (1) RU2003125030A (en)

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Legal Events

Date Code Title Description
FA92 Acknowledgement of application withdrawn (lack of supplementary materials submitted)

Effective date: 20070813