RU2004763C1 - Drill collar - Google Patents

Drill collar

Info

Publication number
RU2004763C1
RU2004763C1 SU4899644A RU2004763C1 RU 2004763 C1 RU2004763 C1 RU 2004763C1 SU 4899644 A SU4899644 A SU 4899644A RU 2004763 C1 RU2004763 C1 RU 2004763C1
Authority
RU
Russia
Prior art keywords
axis
pipe
central
channel
symmetry
Prior art date
Application number
Other languages
Russian (ru)
Inventor
Валерий Иосифович Бердичевский
Александр Давыдович Писарницкий
Владимир Семенович Кочергин
ков Владимир Петрович Чист
Анатолий Егорович Говоруха
Генрих Моисеевич Файн
Original Assignee
Научно-производственный центр "Кольска сверхглубока "
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 Научно-производственный центр "Кольска сверхглубока " filed Critical Научно-производственный центр "Кольска сверхглубока "
Priority to SU4899644 priority Critical patent/RU2004763C1/en
Application granted granted Critical
Publication of RU2004763C1 publication Critical patent/RU2004763C1/en

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Landscapes

  • Branch Pipes, Bends, And The Like (AREA)

Claims (1)

Формула изобретени The claims что, с целью повышени  эффективностиthat, in order to increase efficiency УТЯЖЕЛЕННАЯ БУРИЛЬНАЯ ТРУБА, проводки вертикальных скважин, присое- Ьключающа  тело трубы, имеющее в попе- динительные резьбы и центральный про- речном сечении форму эллипса, присоеди- мывочный канал смещены относительно нительные резьбы и центральный ° оси симметрии трубы по большой оси эл- промывочный канал, отличающа с  тем,. липса.STRESSED BORING PIPE, vertical well wiring, connecting the pipe body, having elliptical shape in the connecting threads and the central cross section, the connecting channel are offset relative to the thread and the central axis of symmetry of the pipe along the major axis of the washing channel characterized in that. Lips. что, с целью повышени  эффективностиthat, in order to increase efficiency проводки вертикальных скважин, присое- динительные резьбы и центральный про- мывочный канал смещены относительно оси симметрии трубы по большой оси эл- липса.vertical well wiring, connecting threads and central flushing channel are offset relative to the axis of symmetry of the pipe along the major axis of the ellipse. Фиг.1Figure 1 Фиг.ЗFig.Z птуptu Фиг.ЬFig. B Фиг. 5FIG. 5
SU4899644 1990-11-16 1990-11-16 Drill collar RU2004763C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU4899644 RU2004763C1 (en) 1990-11-16 1990-11-16 Drill collar

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU4899644 RU2004763C1 (en) 1990-11-16 1990-11-16 Drill collar

Publications (1)

Publication Number Publication Date
RU2004763C1 true RU2004763C1 (en) 1993-12-15

Family

ID=21553933

Family Applications (1)

Application Number Title Priority Date Filing Date
SU4899644 RU2004763C1 (en) 1990-11-16 1990-11-16 Drill collar

Country Status (1)

Country Link
RU (1) RU2004763C1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103195374A (en) * 2013-03-27 2013-07-10 西南石油大学 Method for designing salt rock stratum irregular-shaped sleeve

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Патент US № 3306378. кл. 175-325, 1967. Авторское свидетельство СССР № 560056, кл. Е 21 В 17/00, 1977. *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103195374A (en) * 2013-03-27 2013-07-10 西南石油大学 Method for designing salt rock stratum irregular-shaped sleeve
CN103195374B (en) * 2013-03-27 2014-10-22 西南石油大学 Method for designing salt rock stratum irregular-shaped sleeve

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