Indirect communication with a well tool situated in a BOP

A system for use with a BOP (902) includes a fluid control line (901), such as a kill line or a choke line connected to the BOP (902). Pressure pulses representing coded information in the control line (901) are picked up by a tool in the BOP (902) which can decode the information and respond accord...

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Bibliographic Details
Main Authors VLADIMIR VAYNSHTEYN, RODERICK MACKENZIE, JOHN A KERR
Format Patent
LanguageEnglish
Published 15.05.2002
Edition7
Subjects
EARTH DRILLING
EARTH DRILLING, e.g. DEEP DRILLING
FIXED CONSTRUCTIONS
MINING
OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS
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Summary:A system for use with a BOP (902) includes a fluid control line (901), such as a kill line or a choke line connected to the BOP (902). Pressure pulses representing coded information in the control line (901) are picked up by a tool in the BOP (902) which can decode the information and respond accordingly. There is also disclosed, a system which includes a tool located in the wellbore, a method of telemetering and a flow restrictor.
Bibliography:Application Number: GB20010026855