Apparatus and method for a drilling rig assembly
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United States of America Patent
Stats
-
Mar 18, 2014
Grant Date -
N/A
app pub date -
Jul 10, 2012
filing date -
Jul 11, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drilling rig assembly having a longitudinal axis and comprising a drilling rig skid and a derrick assembly having a derrick assembly pivot axis and being adapted to move relative to the drilling rig skid. The derrick assembly comprises a pair of derrick masts disposed on opposite sides of the longitudinal axis and comprising a rack, and a carriage assembly being substantially disposed between the pair of derrick masts, being adapted to move along the pair of derrick masts and comprising a pinion. The drilling rig assembly also comprises a means for moving the derrick assembly relative to the drilling rig skid, a pipe loader assembly having a pipe loader assembly pivot axis, and a means for moving the pipe loader assembly relative to the drilling rig skid. The derrick assembly pivot axis and the pipe loader assembly pivot axis are co-axial.
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 23 Citation Count
- E21B Class
- 76.14 % this patent is cited more than
- 11 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 | Sep 18, 2025 |