RU2000110354A - DOUBLE DRILLING PILL - Google Patents

DOUBLE DRILLING PILL

Info

Publication number
RU2000110354A
RU2000110354A RU2000110354/03A RU2000110354A RU2000110354A RU 2000110354 A RU2000110354 A RU 2000110354A RU 2000110354/03 A RU2000110354/03 A RU 2000110354/03A RU 2000110354 A RU2000110354 A RU 2000110354A RU 2000110354 A RU2000110354 A RU 2000110354A
Authority
RU
Russia
Prior art keywords
pipes
string
double drilling
spline
drilling pill
Prior art date
Application number
RU2000110354/03A
Other languages
Russian (ru)
Other versions
RU2196215C2 (en
Inventor
Владимир Иванович Лузганов
Наталья Владимировна Лузганова
Original Assignee
Владимир Иванович Лузганов
Наталья Владимировна Лузганова
Filing date
Publication date
Application filed by Владимир Иванович Лузганов, Наталья Владимировна Лузганова filed Critical Владимир Иванович Лузганов
Priority to RU2000110354/03A priority Critical patent/RU2196215C2/en
Priority claimed from RU2000110354/03A external-priority patent/RU2196215C2/en
Publication of RU2000110354A publication Critical patent/RU2000110354A/en
Application granted granted Critical
Publication of RU2196215C2 publication Critical patent/RU2196215C2/en

Links

Claims (1)

Двойная бурильная колонна, включающая трубы наружной и внутренней колонн, замковые резьбовые соединения для труб наружной колонны, шлицевые соединения с герметизирующими элементами для труб внутренней колонны и подшипников скольжения, отличающаяся тем, что трубы внутренней колонны, имеющие опорные сферические поверхности на шлицевых полумуфтах с внутренними шлицами, устанавливаются этими поверхностями в сфepичecкиe подшипники скольжения, корпуса которых вмонтированы в полузамки с внутренними резьбами труб наружной колонны.Double drill string, including pipes of the outer and inner columns, locking threaded connections for pipes of the outer string, spline connections with sealing elements for pipes of the inner string and sliding bearings, characterized in that the pipes of the inner string having spherical bearing surfaces on the spline half-couplings with inner slots , are installed by these surfaces in spherical plain bearings, the housings of which are mounted in half-locks with internal threads of the pipes of the outer column.
RU2000110354/03A 2000-04-26 2000-04-26 Concentric drill string RU2196215C2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2000110354/03A RU2196215C2 (en) 2000-04-26 2000-04-26 Concentric drill string

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2000110354/03A RU2196215C2 (en) 2000-04-26 2000-04-26 Concentric drill string

Publications (2)

Publication Number Publication Date
RU2000110354A true RU2000110354A (en) 2002-02-10
RU2196215C2 RU2196215C2 (en) 2003-01-10

Family

ID=20233788

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000110354/03A RU2196215C2 (en) 2000-04-26 2000-04-26 Concentric drill string

Country Status (1)

Country Link
RU (1) RU2196215C2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130220705A1 (en) * 2010-10-12 2013-08-29 Shijiazhuang Zhongmei Coal Mine Equipment Manufacture Co., Ltd. Assembled drilling tool
RU2679627C1 (en) * 2018-02-26 2019-02-12 Общество с ограниченной ответственностью "Инженерные Технологии" Thread on pipes at the wellhead cutting device

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