FIELD: oil and gas production.
SUBSTANCE: bore bit consists of case with washing channels and of locking component with blades and unbalance insertion in peripheral part; locking component is installed in cavity by means of vertically fixed pin. Blades of the locking body of the bore bit are made in form of spiral or installed at angle to lengthwise axis of the bore bit.
EFFECT: creating vibration at low consumption of flush fluid eliminates wedging of bottomhole part of drilling string.
2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| DRILLING BIT OF WELLS IN HIGH-GAS-BEARING FORMATIONS | 2011 |
|
RU2479709C1 |
| BORING BIT FOR WELLS IN HIGH GAS CONTENT RESERVOIR (VERSIONS) | 2008 |
|
RU2376440C1 |
| DRILLING BIT OF WELLS IN GAS-BEARING FORMATIONS | 2011 |
|
RU2479707C1 |
| BORE BIT FOR DRILLING WELLS IN HIGH GAS BEARING BEDS | 2008 |
|
RU2370621C1 |
| BIT FOR DRILLING OF WELLS IN HIGHLY GAS BEARING BEDS | 2012 |
|
RU2482256C1 |
| DRILL BIT FOR WELL DRILLING ON OUTBURST-PRONE SEAMS | 2008 |
|
RU2367763C1 |
| CROWN FOR WELL DRILLING IN EMISSION HAZARDOUS BEDS | 2011 |
|
RU2481460C1 |
| PROJECTILE FOR WELL DRILLING IN HIGHLY GASEOUS SEAMS | 2015 |
|
RU2578216C1 |
| BORE BIT FOR DRILLING OF WELLS IN HIGH-GAS-BEARING BEDS | 2014 |
|
RU2568196C1 |
| DRILL COLUMN FOR DRILLING OF WELLS IN HIGHLY GAS-BEARING BEDS | 2012 |
|
RU2491408C1 |
