Drilling device and drilling method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 12, 2016
Grant Date -
Jan 8, 2015
app pub date -
Jul 1, 2014
filing date -
Jul 3, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drilling device and method with a drill rod which can be driven in a rotating manner and has an internal line, a support rope, a rotary joint between the drill rod and the support rope and has a holding member which is in connection with the support rope and a rotary member which is in connection with the rotatable drill rod, a line and a rotary feed-through which is designed for the passage of fluid and/or data between the line and the internal line of the drill rod, wherein the rotary feed-through has a rotor connected to the drill rod and a non-rotating stator, to which the line is attached. Provision is made for the support rope to be designed in a torsion-proof manner and for a rigid connecting element to be arranged as a torque support between the stator of the rotary feed-through and the torsion-proof support rope.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2014 Application Filing Year
- E21B Class
- 4199 Applications Filed
- 3550 Patents Issued To-Date
- 84.55 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- E21B Class
- 0 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 12, 2028 |
