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SU796381A1 - Safety device for drilling column - Google Patents

Safety device for drilling column Download PDF

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Publication number
SU796381A1
SU796381A1 SU721765188A SU1765188A SU796381A1 SU 796381 A1 SU796381 A1 SU 796381A1 SU 721765188 A SU721765188 A SU 721765188A SU 1765188 A SU1765188 A SU 1765188A SU 796381 A1 SU796381 A1 SU 796381A1
Authority
SU
USSR - Soviet Union
Prior art keywords
drill string
safety device
rod
drilling column
housing
Prior art date
Application number
SU721765188A
Other languages
Russian (ru)
Inventor
Марк Исакович Давидович
Original Assignee
Davidovich Mark
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 Davidovich Mark filed Critical Davidovich Mark
Priority to SU721765188A priority Critical patent/SU796381A1/en
Application granted granted Critical
Publication of SU796381A1 publication Critical patent/SU796381A1/en

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Description

(54) ПРЕДОХРАНИТЕЛЬНОЕ УСТРОЙСТВО ДЛЯ БУРИЛЬНОЙ КОЛОННЫ(54) SAFETY DEVICE FOR DRILLING COLUMN

W)(3«SiaW) (3 "Sia

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Claims (2)

Формула изобретенияClaim 1. Предохранительное устройство для бурильной колонны, включающее корпус, один конец которого жестко связан с бурильной колонной, и раз- ’0 мещенный внутри него упругий элемент, одним концом связанный с корпусом, а другим - с бурильной колонной, отличающеес я тем, что, с целью повышения надежности и дол15 говечности работы за счет снижения скручивающих нагрузок, действующих на бурильную колонну, упругий элемент выполнен в виде стержня, предварительно скрученного в сторону, противо20 положную направлению вращения бурильной ^колонны.1. A safety device for a drill string, comprising a housing, one end of which is rigidly connected to the drill string, and an elastic element placed inside it, connected at one end to the housing and the other to the drill string, characterized in that, In order to increase the reliability and durability of work by reducing the torsional loads acting on the drill string, the elastic element is made in the form of a rod previously twisted to the side opposite to the direction of rotation of the drill string. 2. Устройство по п.1, отличающееся тем, что стержень в продольном сечении имеет Х-образ-2. The device according to claim 1, characterized in that the rod in longitudinal section has an X-image 25 ную форму с каналами для прохода промывочной жидкости, выполненными в различных поперечных сечениях стержня.25 shaped with channels for the passage of flushing fluid, made in various cross sections of the rod.
SU721765188A 1972-03-29 1972-03-29 Safety device for drilling column SU796381A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU721765188A SU796381A1 (en) 1972-03-29 1972-03-29 Safety device for drilling column

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU721765188A SU796381A1 (en) 1972-03-29 1972-03-29 Safety device for drilling column

Publications (1)

Publication Number Publication Date
SU796381A1 true SU796381A1 (en) 1981-01-15

Family

ID=20508315

Family Applications (1)

Application Number Title Priority Date Filing Date
SU721765188A SU796381A1 (en) 1972-03-29 1972-03-29 Safety device for drilling column

Country Status (1)

Country Link
SU (1) SU796381A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019148357A1 (en) * 2018-01-31 2019-08-08 成都科盛石油科技有限公司 Assistive apparatus for oil exploitation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019148357A1 (en) * 2018-01-31 2019-08-08 成都科盛石油科技有限公司 Assistive apparatus for oil exploitation

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