SU578422A1 - Insertion bit - Google Patents
Insertion bitInfo
- Publication number
- SU578422A1 SU578422A1 SU7502098367A SU2098367A SU578422A1 SU 578422 A1 SU578422 A1 SU 578422A1 SU 7502098367 A SU7502098367 A SU 7502098367A SU 2098367 A SU2098367 A SU 2098367A SU 578422 A1 SU578422 A1 SU 578422A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- tool holder
- bit
- insertion bit
- shaped eccentric
- eccentric tool
- Prior art date
Links
- 230000037431 insertion Effects 0.000 title 1
- 238000003780 insertion Methods 0.000 title 1
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
Landscapes
- Earth Drilling (AREA)
Description
ны дл его очистки от шлама и охлаждени долота в процессе бурени .to clean it of sludge and cool the bit during the drilling process.
Вставное долото работает следующим образом .Plug-in chisel works as follows.
По мере достижени забо П-образный эксцентричный резцедержатель нод действием усили подачи иоворачиваетс вокруг оси 3 и принимает горизонтальное рабочее цоложение . Резцами 5 П-образного эксцентричного резцедержател 4 разрушаетс периферийна часть забо скважины, а центральна часть забо скважины разрушаетс опережаюшими резцами 2, которыми оснаш,ен корпус 1 долота . Дл перевода долота из рабочего положени в транспортное оно поднимаетс над забоем скважины. При этом П-образный эксцентричный резцедержатель 4, не име под собой опоры, под действием собственного веса начинает поворачиватьс вокруг оси 3 и принимает транспортное положение.As the bottom is reached, the U-shaped eccentric tool holder of the node, by the action of the supply force, turns around axis 3 and assumes a horizontal working position. The cutters 5 of the U-shaped eccentric tool holder 4 destroy the peripheral part of the bottom hole, and the central part of the bottom hole is destroyed by the advanced cutting tools 2 with which the bit body 1 is equipped. To transfer the bit from the working position to the transport position, it rises above the bottom hole. At the same time, the U-shaped eccentric tool holder 4, without support, under the action of its own weight, begins to rotate around axis 3 and assumes a transport position.
В случае заклинивани П-образного эксцентричного резцедержател 4 частицами разбуренной породы, он примет транспортное положение под воздействием башмака колонны обсадных труб.In the event of a U-shaped eccentric tool holder being jammed with 4 particles of drilled rock, it will take the transport position under the influence of the casing shoe.
Благодар выполнению резцедержател П-образной формы увеличиваетс прочность элементов из-за увеличени контактных поверхностей их, достигаетс лучша обработка скважины за счет большого контакта периферийной частп П-образного эксцентричного резцедержател со стенками скважины, упрош ,аетс конструкци вставного долота.Due to the implementation of the U-shaped tool holder, the strength of the elements is increased due to the increase in their contact surfaces, better well treatment is achieved due to the large contact of the peripheral part of the U-shaped eccentric tool holder with the borehole walls, and the design of the bit is simplified.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU7502098367A SU578422A1 (en) | 1975-01-20 | 1975-01-20 | Insertion bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SU7502098367A SU578422A1 (en) | 1975-01-20 | 1975-01-20 | Insertion bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU578422A1 true SU578422A1 (en) | 1977-10-30 |
Family
ID=20607946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU7502098367A SU578422A1 (en) | 1975-01-20 | 1975-01-20 | Insertion bit |
Country Status (1)
| Country | Link |
|---|---|
| SU (1) | SU578422A1 (en) |
-
1975
- 1975-01-20 SU SU7502098367A patent/SU578422A1/en active
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