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| Number | Title | Issue Date |
| 5232475 | Slug flow eliminator and separator A method and apparatus for substantially eliminating slug flow and for separating the liquid phase of a liquid/gas mixture from the gas phase thereof is provided. A deceleration table contained within a housing decelerates liquid slugs and causes entraine... | 08/03/1993 |
| 5161619 | Offshore pollution prevention during well work-over operations Environmentally-safe work-over operations are carried out on a well of an offshore platform by transporting an auxiliary oil-and-water separator together with well work-over equipment and installing it temporarily on the platform. The large volumes of oil... | 11/10/1992 |
| 5154741 | Deep-water oil and gas production and transportation system A deep-water oil and gas production and transportation system including a wet Christmas tree, a 2-phase oil/gas vertical separator, a gas cooler, a vertical tubular scrubber and a motor-pump, and a platform which includes a velocity variator for the motor... | 10/13/1992 |
| 5044440 | Underwater station for pumping a well flow The invention relates to an underwater station for pumping a well flow, comprising a separator for separating the well flow into liquid (oil/water) and gas, a pump assembly comprising a pump with a motor, and a compressor assembly comprising a compressor ... | 09/03/1991 |
| 5004051 | Method and means for cleansing and storing drill cuttings from drilling operations in the sea bottom A subsea storage structure for treatment and storing drill cuttings from drilling operations in the sea bottom includes a generally closed container or tank suitable to be positioned on the sea bottom near the drilling site, which tank is provided with an... | 04/02/1991 |
| 4982794 | Apparatus for oil/gas separation at an underwater well-head The installation combines with at least one production well-head an oil/gas separator of substantial vertical elongation and of which the major part may be housed in a pit sunk and lined closed to the working well, which permits of wide fluctuations in th... | 01/08/1991 |
| 4900433 | Vertical oil separator A vertical separator for separating crude oil into liquid and gas phases composed of an outer casing and two further sets of concentric tubing to enclose two annuli and a central passage, one annulus having an inlet to receive crude oil, the other annulus... | 02/13/1990 |
| 4848475 | Sea bed process complex A sea bed oil producing and processing complex has a template with three bays housing pairs of modules, viz, well, gas and oil production modules. The complex includes a separator for separating oil and gas and a pump for the produced oil, and bars having... | 07/18/1989 |
| 4793418 | Hydrocarbon fluid separation at an offshore site and method An offshore marine structure and method, which structure includes a leg supported deck which holds hydrocarbon fluid processing equipment above the water's surface, and includes vertically aligned conductor guides. A self supporting fluid separator is pos... | 12/27/1988 |
| 4712616 | Method for scale reduction in off-shore platforms A process for reducing scale formation in off-shore production platforms where sea water is used as a water-flooding medium. During production, sea water and connate water interact to make scale forming precipitates. Said precipitates fall out in an oil/w... | 12/15/1987 |
| 4705114 | Offshore hydrocarbon production system A subsea system for transmitting a multiphase flow of hydrocarbons produced from a subsea well positioned remotely from fluid storing and treating facilities. The system includes a subsea well template which encloses a plurality of well heads. A composite... | 11/10/1987 |
| 4685833 | Offshore structure for deepsea production An offshore structure for deepsea production of this invention is designed for achieving economy both in installation and in operation. It consists mainly of a base to be founded on a sea-bed, a buoyant body having a separator segregated from the sea for ... | 08/11/1987 |
| 4547149 | System for preventing liquids from being driven to the flair stack tip A safety system for eliminating the risk of liquids, rather than gases, being carried to a torch nose-piece or to a vent hole, during burning or dispersion of the gases associated with the production or treatment of hydrocarbons, particularly on off-shore... | 10/15/1985 |
| 4527632 | System for increasing the recovery of product fluids from underwater marine deposits A system according to the invention includes a working well head 1 whose producing head is connected by a rigid or flexible pipe to at least one underwater degasifier tank. A pump 4 for lifting the product from the well or wells 1 is regulated by a contro... | 07/09/1985 |
| 4506735 | Operating system for increasing the recovery of fluids from a deposit, simplifying production and processing installations, and facilitating operations with enhanced safety A system involving at least one well equipped with an elevated or sub-sea production head, and at least one pipeline collecting the effluent from the production head leading to an effluent phase separation unit. The system comprises, in addition, a tube i... | 03/26/1985 |
| 4438817 | Subsea well with retrievable piping deck An apparatus and method for drilling and completing a subsea well located at the seabed using a retrievable piping deck. The apparatus includes a template supported on the seabed, the retrievable piping deck supported on the template, a plurality of wellh... | 03/27/1984 |
| 4376467 | Seafloor diverter This relates to drilling in water from a platform or vessel using a riser pipe. An inverted funnel skirt or cone is placed over slots cut in the wall of a riser pipe a short distance above its lower end. The apex end of the cone is welded to the riser pip... | 03/15/1983 |
| 4375835 | Oil production system An oil production system for producing oil at an offshore location comprises a floating storage vessel to receive the produced oil, the vessel having means for dynamic positioning and being connectable to a subsea well head by a riser and having means for... | 03/08/1983 |
| 4318442 | Method and apparatus for controlling an underwater well blowout An apparatus for controlling an underwater well blowout including a vessel with a lower weighted collar vent ports intermediate the top and bottom of the vessel a valve controlled chimney at the top of the vessel, a gas outlet positioned to provide a gas ... | 03/09/1982 |
| 4284143 | System for the remote control, the maintenance or the fluid injection for a submerged satellite well head System for the remote control, the maintenance or the fluid injection for a submerged satellite well head comprising a platform equipped with equipment usable for the remote control, maintenance or fluid injection for the well head and located substantial... | 08/18/1981 |
| 4251361 | Hybrid gas flotation separator Oil and water mixtures are separated in a gas flotation separator by passing the mixture downward in a vertically elongated portion, and then upward in a vertically elongated portion. A gas such as air is injected near the lower end of the upward flow leg... | 02/17/1981 |
| 4239510 | Natural gas purification A process and apparatus for removing an impurity from a gas by means of selective absorption of a gas impurity by a suitable absorbent. The absorbent and gas are contacted in a cocurrent flow contacter which is submerged in the absorbent. The flow of the ... | 12/16/1980 |
| 4235607 | Method and apparatus for the selective absorption of gases A process and apparatus for removing an impurity from a gas by means of selective absorption of a gas impurity by a suitable absorbent. The absorbent and gas are contacted in a contacting zone which is divided into a plurality of compartments with the abs... | 11/25/1980 |
| 4220207 | Seafloor diverter This relates to drilling in water from a platform or vessel using a riser pipe. An inverted funnel skirt or cone is placed over slots cut in the wall of a riser pipe a short distance above its lower end. The apex end of the cone is welded to the riser pip... | 09/02/1980 |
| 4170266 | Apparatus and method for offshore drilling at great depths An offshore drilling installation comprising an underwater base spaced from an underwater buoy and in communication therewith by a connecting conduit. The underwater buoy represents the upward extension of the sea bed which serves to support an above-sea ... | 10/09/1979 |
