FIELD: oil and gas industry.
SUBSTANCE: hinged wedge-shaped diverter includes diverting wedge, fixing mechanism of diverter in well, extension-type die and shearing bolt. Hinged assembly is installed in hinged wedge-type diverter between diverting wedge and fixing mechanism. It includes rigidly connected axis, rotation limiter of diverting wedge, which is installed on axis with possibility of oscillatory motion, in upper part rigidly attached to diverting wedge, and in lower part it is made in the form of cone not coaxial with diverting wedge, sliding retaining device equipped with taper bore, interacting with cone part of rotation limiter of diverting wedge at shear of shearing bolt.
EFFECT: best passing ability via well with small curvature radius.
4 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| WEDGE-TYPE WHIPSTOCK | 1998 |
|
RU2148697C1 |
| WEDGE DEFLECTING TOOL | 1999 |
|
RU2166058C2 |
| RETRIEVABLE WHIPSTOCK | 2005 |
|
RU2289670C1 |
| WHIPSTOCK OF DRILLING TOOL FOR CUTTING-OUT WINDOWS IN WELL CASING STRING | 2002 |
|
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| DEVICE FOR MOUNTING OF DEFLECTOR WEDGE IN WELL SHAFT | 2002 |
|
RU2231608C1 |
| WEDGE-LIKE WHIPSTOCK | 2004 |
|
RU2270909C2 |
| HYDRAULIC DEFLECTOR | 2008 |
|
RU2361056C1 |
| DEVICE FOR SPUDDING OF OFFSHOOTS FROM WELL | 2011 |
|
RU2473768C1 |
| DEFLECTING DEVICE | 2007 |
|
RU2355861C2 |
| DIVERTING WEDGE FOR SPUDDING OF OFFSHOOTS FROM WELL | 2011 |
|
RU2484231C1 |
