Oil-in-water detector buoy arrangement
First Claim
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1. A system for detecting sea surface oil sheens from a leaking oil source comprising;
- a buoyant body arranged and designed to be self-righting in heavy seas including, a submerged section including ballasting material, a buoyant section coupled to said submerged section, said buoyant section being partially submerged and partially extending above the sea surface, said buoyant section including an oil/water sensor arranged to contact with the sea surface and which produces an oil/water signal representative of the presence of oil floating on said sea surface, an electronics module and a sending antenna carried by said buoyant section, with said electronics module being in communication with said oil/water sensor and responsive to said oil/water signal to produce an electromagnetic signal on said sending antenna, a receiving antenna coupled to a receiving electronics module placed at a remote body for receiving said electromagnetic signal and for producing a signal at said remote body indicative of oil on said sea surface at said buoyant body, a coupling between said remote body and said buoyant body, whereby said buoyant body and said oil/water sensor of said buoyant body floats down-current in the path of said leaking oil source, and wherein said receiving antenna and said receiving electronics module are disposed on a vessel which is tethered to a mooring buoy, said mooring buoy being anchored to a seabed and being coupled to a hydrocarbon conduit via a fluid swivel, said mooring buoy having a floating loading hose arranged and designed to transfer hydrocarbons between said fluid swivel and said vessel, with a portion of said floating loading hose forming a “
U”
shape at an entrance point of the vessel, and said buoyant body being tethered at the “
U”
portion of said floating loading hose whereby said oil/water sensor of said buoyant body is placed down current of said “
U”
shape said floating loading hose.
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Abstract
A self-righting buoy having an oil/water sensor is provided which includes a radio transmitter or signaling beacon to trail a loading hose or a potential source of leaking oil, such as a FPSO, down current for remote detection of oil sheens.
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Citations
13 Claims
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1. A system for detecting sea surface oil sheens from a leaking oil source comprising;
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a buoyant body arranged and designed to be self-righting in heavy seas including, a submerged section including ballasting material, a buoyant section coupled to said submerged section, said buoyant section being partially submerged and partially extending above the sea surface, said buoyant section including an oil/water sensor arranged to contact with the sea surface and which produces an oil/water signal representative of the presence of oil floating on said sea surface, an electronics module and a sending antenna carried by said buoyant section, with said electronics module being in communication with said oil/water sensor and responsive to said oil/water signal to produce an electromagnetic signal on said sending antenna, a receiving antenna coupled to a receiving electronics module placed at a remote body for receiving said electromagnetic signal and for producing a signal at said remote body indicative of oil on said sea surface at said buoyant body, a coupling between said remote body and said buoyant body, whereby said buoyant body and said oil/water sensor of said buoyant body floats down-current in the path of said leaking oil source, and wherein said receiving antenna and said receiving electronics module are disposed on a vessel which is tethered to a mooring buoy, said mooring buoy being anchored to a seabed and being coupled to a hydrocarbon conduit via a fluid swivel, said mooring buoy having a floating loading hose arranged and designed to transfer hydrocarbons between said fluid swivel and said vessel, with a portion of said floating loading hose forming a “
U”
shape at an entrance point of the vessel, andsaid buoyant body being tethered at the “
U”
portion of said floating loading hose whereby said oil/water sensor of said buoyant body is placed down current of said “
U”
shape said floating loading hose.- View Dependent Claims (2, 3, 4, 5)
said electronics module is battery powered by means of one or more batteries disposed on said buoyant body. -
3. The system of claim 2 wherein,
one or more batteries are disposed in said submerged section of said buoyant body and provide at least partial ballasting material for said body. -
4. The system of claim 1 wherein,
said buoyant section has a channel at sea surface level when said buoyant body is in the sea, where sea surface water is in said channel. -
5. The system of claim 1 wherein,
said remote body is a FPSO and said coupling is a tether between said buoyant body and a stem position of said FPSO.
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6. A system for detecting sea surface oil sheens comprising;
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a buoyant buoy arranged and designed to be self-righting in heavy seas and having an oil/water sensor which produces an oil/water signal representative of the presence of oil floating on said sea surface and having an electronics module and a beacon coupled to said oil/water sensor which generates a signal on said beacon which corresponds to said oil/water signal, a receiving antenna coupled to a receiving electronics module placed on a vessel which is coupled to a mooring buoy, said mooring buoy being anchored to a seabed and being coupled to a hydrocarbon conduit via a fluid swivel, said mooring buoy having a floating loading hose arranged and designed to transfer hydrocarbons between said fluid swivel and said vessel, with a portion of said floating loading hose forming a “
U”
shape at an entrance point of the vessel,said buoyant body being tethered to float down-current of said “
U”
shape of said floating hose,whereby said receiving antenna with said receiving electronics module on said vessel in response to said signal on said beacon produces a signal representative of oil on said sea surface at said buoyant body. - View Dependent Claims (7, 8)
said buoyant body is tethered at the “ - U”
portion of said floating loading hose.
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8. The system of claim 6 wherein,
said buoyant body is tethered at the side of said vessel and arranged to float down current of said “ - U”
shape of said floating loading hose.
- U”
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9. A system for detecting oil sheens on a sea surface comprising,
a buoyant body arranged and designed to be self-righting in heavy seas and having an oil/water sensor which produces an oil/water signal representative of the presence of oil floating on said sea surface and having an electronics module and a beacon coupled to said oil/water sensor which generates a signal on said beacon which corresponds to said oil/water signal, said mooring buoy being anchored to a seabed and being coupled to a hydrocarbon conduit via a fluid swivel, said mooring buoy having a floating loading hose which is arranged and designed to transfer hydrocarbons between said fluid swivel and said vessel, said floating loading hose floating down current from said mooring buoy, said buoyant body being coupled to said floating loading hose for generating a beacon signal when an oil sheen on said sea surface is detected.
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13. A system for detecting sea surface oil sheens from a leaking oil source comprising;
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a buoyant body arranged and designed to be self-righting in heavy seas including, a submerged section including ballasting material, a buoyant section coupled to said submerged section, said buoyant section being partially submerged and partially extending above the sea surface, said buoyant section including an oil/water sensor arranged to contact with the sea surface and which produces an oil/water signal representative of the presence of oil floating on said sea surface, an electronics module and a sending antenna carried by said buoyant section, with said electronics module being in communication with said oil/water sensor and responsive to said oil/water signal to produce an electromagnetic signal on said sending antenna, a receiving antenna coupled to a receiving electronics module placed at a remote body for receiving said electromagnetic signal and for producing a signal at said remote body indicative of oil on said sea surface at said buoyant body, a coupling between said remote body and said buoyant body, whereby said buoyant body and said oil/water sensor of said buoyant body floats down-current in the path of said leaking oil source, wherein said receiving antenna and said receiving electronics module are disposed on a vessel which is tethered to a mooring buoy, said mooring buoy being anchored to a seabed and being coupled to a hydrocarbon conduit via a fluid swivel, said mooring buoy having a floating loading hose arranged and designed to transfer hydrocarbons between said fluid swivel and said vessel, with a portion of said floating loading hose forming a “
U”
shape at an entrance point of the vessel,said buoyant body being tethered to the side of said vessel and arranged to float down current of said “
U”
shape of said floating loading hose.
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Specification
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Current AssigneeFMC Technologies Incorporated (TechnipFMC, plc)
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Original AssigneeFMC Technologies Incorporated (TechnipFMC, plc)
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InventorsSalyer, Brent A., Lauritsen, Glen R.
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Primary Examiner(s)POPE, DARYL C
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Application NumberUS09/275,609Time in Patent Office1,280 DaysField of Search340/511, 340/537, 340/603, 340/627, 340/631, 340/539, 73/32.R, 734/51US Class Current340/539.26CPC Class CodesG01N 33/1833 Oil in waterG01N 33/1886 using probes, e.g. submersi...
