Diverter/bop system and method for a bottom supported offshore drilling rig
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United States of America Patent
Stats
-
Jul 1, 1986
Issued Date -
N/A
app pub date -
May 11, 1984
filing date -
Nov 30, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system and method for installing a fluid flow controller and telescoping spools beneath an offshore bottom supported drilling rig rotary table is disclosed. Upper and lower telescoping spools are provided for initially connecting a Diverter/BOP convertible fluid flow controller between structural casing in the well and a permanent housing beneath the drilling rig rotary table. A system and method for installing a fluid flow controller and a lower telescoping spool beneath and offshore bottom supported drilling rig rotary table is disclosed. This alternative embodiment of the invention provides the lower telescoping spool connected between the diverter/BOP convertible fluid flow controller and structural casing in the well. The top of the controller is connected to the permanent housing beneath the drilling rig rotary table. Additionally, a diverter system, a low pressure blowout preventer system and a high pressure blowout preventer system are disclosed for both embodiments.
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