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Keywords: valve
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Proceedings Papers

Paper presented at the Subsea Control and Data Acquisition (SCADA) Conference, June 2–3, 2010
Paper Number: SUT-SCADA-10-147
.... The paper also discusses the limitations of using fluids at high temperature, such as degrada- tion rate and boiling risk in smart wells and downhole safety valves (DHSVs). The testing method and experience of hardware from the old British Hydrodynamic Research (BHR) DHSV test rig in the 1990s, to...
Proceedings Papers

Paper presented at the Subsea Control and Data Acquisition (SCADA) Conference, June 2–3, 2010
Paper Number: SUT-SCADA-10-169
... isolation valve(s) if the pressure rises above a preset level. Why Use HIPPS? Traditionally subsea pipelines/flowlines are rated to the full shut-in pressure of the reservoir, which can represent a very significant proportion of the field development cost, especially where long offsets are involved in...
Proceedings Papers

Paper presented at the Subsea Control and Data Acquisition (SCADA) Conference, June 2–3, 2010
Paper Number: SUT-SCADA-10-39
... developed control system, the all-electric actuators, the subsea power distribution and the system for condition monitoring. The pilot comprises several novel parts for subsea applications, e.g. magnetic bearings for the compressor, all-electric valve actuators of different types, a subsea high voltage (HV...
Proceedings Papers

Paper presented at the Subsea Control and Data Acquisition (SCADA) Conference, June 2–3, 2010
Paper Number: SUT-SCADA-10-65
... communication control system upstream oil & gas flow control valve schlumberger control module scm control line subsea production equipment intelligent well control hydraulic supply completion equipment configuration interface reliability operation subsea module subsea...
Proceedings Papers

Paper presented at the Subsea Controls and Data Acquisition 2006: Controlling the Future Subsea, June 7–8, 2006
Paper Number: SUT-SCADA-06-112
... isolate downstream facilities from an overpressure an upset condition developing upstream. The initiation of the overpres- sure can be from upstream (loss of control of a well) and/or downstream (process trip, inadvertent valves closure, hydrate or other blockage). In the event of a high-pressure...
Proceedings Papers

Paper presented at the Subsea Controls and Data Acquisition 2002, June 13–14, 2002
Paper Number: SUT-SCADA-02-055
... causing a sudden rise in production rates Hydrate blockage within the flowline Unexpected or sudden closure of a valve within the pipeline or downstream infrastructure Inadequate production control operations and procedures The occurrence of these events cannot be ruled out with any degree of...
Proceedings Papers

Paper presented at the Subsea Controls and Data Acquisition 2002, June 13–14, 2002
Paper Number: SUT-SCADA-02-173
... flow s ~ h ~ a t ~ o n s The three wells are flowng into a s~ngle sea Ilne, however to allow scale squeezing of the wells check valve are not fitted w ~ t h ~ n the subsea tubing I t 1s therefore posstble for product1011 to back flow Into one well should the wellhead flowng pressire drop below the...
Proceedings Papers

Paper presented at the Subsea Controls and Data Acquisition '98: Cost effective challenges for a geographically expanding industry, April 22–23, 1998
Paper Number: SUT-SCADA-98-207
... At Hidra centre level the Argo panel provides hydraulic power and pilot pressure to the subsea unit It controls, as well, every surface valve within the ESD sequences, and methanol and chermcal injection pumps The main functions and charactenstics of this panel are - Hydraulic supply 3000 psi - Pilot...
Proceedings Papers

Paper presented at the Subsea Controls and Data Acquisition '98: Cost effective challenges for a geographically expanding industry, April 22–23, 1998
Paper Number: SUT-SCADA-98-055
... of an umbilical In essence, a control pod compnses of a number of solenoid-operated hydraulic pilot valves such that the hydraulic fluid may be hrected to the vanous hydraulic actuators which control the relevant subsea equipment (valves, rams, chokes etc ) Where larger volume flow rates are required...
Proceedings Papers

Paper presented at the Subsea Controls and Data Acquisition '98: Cost effective challenges for a geographically expanding industry, April 22–23, 1998
Paper Number: SUT-SCADA-98-073
... utilised simple direct hydraulic systems, operated from manual hydraulic control valves located on a small control panel supplied from the ng hydraulic system These systems have now developed to the complex workover control system we see today operahng in the North Sea Conhnental Shelf, uhlising fa11 safe...
Proceedings Papers

Paper presented at the Subsea Control and Data Acquisition: Proceedings of an international conference, April 20–21, 1994
Paper Number: SUT-AUTOE-v32-003
..." is extended to also include the Manlfold, the Electrical Dispatcher Unit (EDU) and two Hydraullc Distribution Units (HDUs) The structures are equlpped with the required inboard hard piping, isolation valves, Wellbay flexible jumpers, electrical cables, hydraulic hoses and tie-idconnection equipment...
Proceedings Papers

Paper presented at the Subsea Control and Data Acquisition: Proceedings of an international conference, April 20–21, 1994
Paper Number: SUT-AUTOE-v32-115
... lncorporat~on of both surface and subsea programmable electronic systems (PES's) to control and mon~tor wellhead valves and blowout preventer stacks (BOP'S) Such systems are sa~d by then proponents to offer slgnlficant operat~onal and cost advantages over the convent~onal remotely plloted hydraul~c systems...
Proceedings Papers

Paper presented at the Subsea Control and Data Acquisition: Proceedings of an international conference, April 20–21, 1994
Paper Number: SUT-AUTOE-v32-135
... platform interface generator yate wlll upstream oil & gas control system rlser sensor accumulator buoy operation xmas tree control buoy operat valve unlt subsea system prov controls and umbilicals equlpment shutdown riser UMBILICALLESS INTEGRATED CONTROL SYSTEM P...
Proceedings Papers

Paper presented at the Subsea Control and Data Acquisition: Proceedings of an international conference, April 20–21, 1994
Paper Number: SUT-AUTOE-v32-155
... flowline or a thermo- electric generator fitted to a production flowline Hydraulic power for operating wellhead and downhole safety valves is produced from a subsea unit Development is well advanced and will culminate in an 18-month offshore application tr~al, planned to commence in 1995 on the Saltire...
Proceedings Papers

Paper presented at the Subsea Control and Data Acquisition: Proceedings of an international conference, April 4–5, 1990
Paper Number: SUT-AUTOE-v22-023
... panel and the actuated valve, direct hydraulic valve actuation can be satisfactorily executed up to a distance of 4 km (13,000f t). There are however several limitations associated with direct hydraulics. Direct Hydraulic Limitations The limitations on direct hydraulic systems are: Extended ESD...
Proceedings Papers

Paper presented at the Subsea Control and Data Acquisition: Proceedings of an international conference, April 4–5, 1990
Paper Number: SUT-AUTOE-v22-195
...PRACTICAL EXPERIENCE OF CONTROL VALVE BEHAVIOR D D Hickok FSSL, Inc. , 525 J u l i e R ive rs D r i v e Sugar Land, Texas 77478, USA ABSTRACT T h i s paper p resen ts a summary o f exper ience gained i n t h e des ign and a p p l i c a t i o n o f h y d r a u l i c c o n t r o l va lves i n systems...

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