Wheeled portable well drilling and workover apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 6, 1980
Grant Date -
N/A
app pub date -
Sep 8, 1978
filing date -
Sep 8, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A first wheeled trailer means includes support means for supporting a mast and drawworks thereon and a second wheeled trailer means includes an upright structure for supporting the mast in upright positon to conduct well operations. The second trailer means also includes ramp and platform means to receive and position the first trailer means thereon in elevated position whereby the mast may be pivotally engaged with the upright structure of the second trailer means so that thereafter the mast may be raised to an upright position for conducting well operations. The first and second trailer means also include cooperating means to position and secure them together to form a base substructure support for the elevated mast and the drawworks while the well operations are performed.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
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