Process and apparatus for completing a well in an unconsolidated formation
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Oct 26, 1993
Grant Date -
N/A
app pub date -
Dec 11, 1991
filing date -
Dec 11, 1991
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A process and apparatus for forming a hole within an unconsolidated hydrocarbonaceous fluid-bearing formation, installing a slotted liner and gravel packing the liner in a single trip into the formation. The apparatus includes a drill bit for drilling a pilot hole; a housing mounted above the pilot hole drill bit; means for enlarging a pilot hole, the pilot hole -enlarging means pivotally mounted within the housing and capable of pivoting between a retracted position and an expanded position for enlarging a pilot hole to a diameter larger than the pilot hole and sufficient for gravel packing; a slotted liner having a first end and a second end, the first end joined to the apparatus above the housing; and a drive assembly joined to the second end of the slotted liner.
First Claim
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 163 Citation Count
- E21B Class
- 98.47 % this patent is cited more than
- 32 Age