Patent ID: 9416903
Filing Date: 2016-08-16
CPC Classification: E21B,F16L,Y10T

Claim Text:
1. Method for removal of a hydrate plug ( 7 ) in a tube ( 92 ) in connection with a petroleum well ( 9 ) from a seabed ( 8 ), the petroleum well ( 9 ) is at the seabed ( 8 ) connected to a barrier ( 6 ) comprising a well valve ( 60 ) and an exhaust valve ( 61 ), the barrier ( 6 ) is connected to a wellhead ( 62 ); including a sluice ( 5 ) comprising a lower portion ( 51 ) extending from the wellhead ( 62 ) and to a Blow Out Preventer ( 63 ), and an upper portion ( 53 ) extending from the Blow Out Preventer ( 63 ) and to an upper pressure barrier ( 64 ), the sluice ( 5 ) further comprising a lower gate ( 52 ) and an upper gate ( 54 ); and further including a hydrate plug remover ( 2 ), where the hydrate plug remover ( 2 ) comprises a collecting container ( 21 ), said method comprising the following steps: positioning the hydrate plug remover ( filling the sluice ( filling the collecting container ( pressure testing the sluice ( displacing the hydrate plug remover ( leading loosened hydrate from the hydrate plug ( displacing the hydrate plug remover (