mux control systems. 2 multiplex control system 3 mux system - key features designed and tested for...
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MUX Control SystemsMUX Control Systems
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Multiplex Control SystemMultiplex Control System
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MUX System - Key FeaturesMUX System - Key Features
Designed and tested for continuous operation in 10,000 feet of water
Designed for a 20-year service life
Designed to minimize maintenance costs, maximize operating time
Component design is based on 25 years of proven operational experience
Designed and manufactured in accordance with API 16D, API 16E
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MUX System DevelopmentMUX System Development
One Year $2,000,000 Development Program
All Subsea MUX POD Components were prequalified by Testing at 5,000 psi Ambient Pressure and Low Temperature (+1C/34F)
Subsea MUX POD Electronics Assembly was subjected to Vibration Stress Testing.
Subsea MUX POD was subjected to Hyperbaric Testing at 4,000 psi Ambient Pressure and Low Temperature (+1C/34F)
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BOP Control ModesBOP Control Modes
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Electronic System - Key FeaturesElectronic System - Key Features Modular component design
Dual power supplies for each assembly
Control circuits are in a dual redundant distributed system design
Control circuit communications are based on the RS-485 industry standard using the Motorola 68360 chip set.
Each control CPU and MMI CPU is isolated from each other, using 10 Base T for communications.
Embedded data acquisition system which records each event and alarm.
Data logger which includes permanent storage of data acquisition information and maintenance data base.
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Embedded Electronics VS PLCEmbedded Electronics VS PLC
Size and weight of sub sea package.
Minimize heat generated by electronics package
Increased capability
Increased system reliability due to continuous monitoring of key system parameters.
Customized interfaces (i.e. - DP System).
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System SoftwareSystem Software
User interfaces:
Traditional Driller’s panel with lighted push buttons
CCU System monitor with Windows 95 type interface
API Alarms
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Operating SystemsOperating Systems
Control: VX Works
Display/MMI: Windows NT/95
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Control C
MMI/Display Visual Basic
Surface Communications: Hydril MODBUS
Subsea Communications: HAYES Modem Set
Programming LanguagesProgramming Languages
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Central Control Unit (CCU)Central Control Unit (CCU)
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CCUCCU Integrated console with Redundant Stations:
Backup Control
System Monitoring
System Diagnostics
Intuitive design and layout for “at a glance” total system status
Failsafe design / not MMI dependent
Custom Interfaces for:
Electronic riser angle
Riser recoil system
Custom RS-232 or RS-485 inputs/outputs
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CCU DisplayCCU Display
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Driller’s PanelDriller’s Panel
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Driller’s PanelDriller’s Panel
Micro-processor based / multiplexed with the CCU
Standard packaging for user familiarity
Color coded labeling
Meets hazardous location requirements
API Alarm monitoring
System status monitoring
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Tool Pusher’s PanelTool Pusher’s Panel
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Subsea Control PodSubsea Control Pod
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Subsea PodSubsea Pod
84 Hydraulic Ports
96 Functions
20 Year Design Service Life
Retractable Stab Design for Guide Line and Guide Lineless Operation
E/H Unit and Hydraulic Unit are interchangeable
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Subsea PodSubsea Pod
E/H Unit
HydraulicUnit
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Subsea Pod E/H Unit
Sub Sea Electronics
PressureCompensated
Solenoid Housing
PressureTransducers
Solenoids
Sub SeaMUX CableConnector
Hydraulic Seal Sub J-Plates
One AtmosphereBase
Sub SeaTransformer
Shear SealPilot Valves
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Subsea Pod E/H UnitSubsea Pod E/H Unit All exposed metalic components are manufactured
from 316L SS, Nitronics 50/60, or 17-4/7PH.
All penetrations into one atmosphere base have redundant o-ring seals and a test port
All external electrical connectors have redundant o-ring seals with test ports
All electrical wiring subjected to sea pressure has dual pass EPC wiring with boot seal terminations. The wiring assemblies are encased in an oil filled pressure compensated jacket
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Shear Seal Pilot ValveShear Seal Pilot Valve
Body constructed of 316L SS and Nitronics 50/60 materials Seals are Nickel Carbide Solenoid is rated for 60VDC, 30 watt continuous operation 65 pound pull in force 15 pound drop out force
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Subsea Pressure TransducerSubsea Pressure Transducer
Body and housing are constructed of 316L SS Absolute Pressure range of 0 psi to 10,000 psi Uses measured sea head pressure to determine
relative pressure Unit is interchangeable by removing four bolts
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Subsea Electronics ModuleSubsea Electronics Module
Redundant Electronics Modules
Redundant Power Supplies
Low package density
Low power consumption
High Amperage Hypertronic Connectors which are keyed and positive locked
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Subsea Pod Hydraulic UnitSubsea Pod Hydraulic Unit
HydraulicRegulators
SPM Valves
Flow Meter
ReferenceAccumulators
ShuttleValves
Pilot CircuitHydraulic Filter
Solid HydraulicManifolds
BOP Stack StabCylinder
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Subsea Pod Hydraulic UnitSubsea Pod Hydraulic Unit
All Subsea POD components are manufactured from 316L SS, Nitronics 50/60, or 17-4/7PH.
Hydril Wedge Block Dynamic Seals (1/2”, 1”, & 1 1/2”)
No Hosing, all hydraulic connections are hard piped or made through the Hydril Stab Block.
Spent BOP fluid is captured to bath all components in the spent fluid instead of sea water.
LMRP Disconnect has a positive read back through a mechanical pin actuated Pilot Valve/Pressure Transducer.
Optional 4 pin wet make/break electrical connector in stab to provide power and signal to stack mounted electronics.
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Subsea Hydraulic RegulatorSubsea Hydraulic Regulator
Body and major components are 316L SS and Nitronics 50/60
Nickel Comaloy Coated Seal Surfaces with Nickel Carbide Seals
240 GPM Maximum Measured Flow Rate
Dead Band <40 pounds
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Subsea SPM ValveSubsea SPM Valve
Body, Cage, and Spool Components are Nitronics 50/60 and 316L SS
Springs are Inconel Three sizes, 1/2” - 1” - 1 1/2” Low Interflow Cage design Individual Body Housings manifold mounted No hose connections, uses dual o-ring SAE Flange connections
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Hydraulic Power SystemsHydraulic Power Systems
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Hydraulic Pumping UnitHydraulic Pumping Unit
Stainless Steel Check Valve on Outlet 1 Quart Surge Bottle All piping is 316L SS All hydraulic connections are welded or SAE Flanged Unit is laid out to maximize maintainability
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Hydraulic FilterHydraulic Filter
Hydraulic Filter rated for 5,000 psi Operating Pressure
316L and Nitronics 50/60 Construction 200 psi Automatic By Pass Multiple size filters available Same filter assembly is used on Stack and on
Surface Hydraulic Power Unit
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Accumulator Bottle RackAccumulator Bottle Rack 6,000 psi 15 gallon top
loading bottles
Available in 10 bottle racks, 12 bottle racks, 16 bottle racks, and 20 bottle racks
Blanking Plates available for odd numbers of bottles in rack
Each manifold can be isolated and has a gauge showing manifold pressure
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Accumulator Bottle RackAccumulator Bottle Rack
Bottle Fluid Port is a Code 62 SAE Dual O-ring connection with four bolt retaining flange
Manifold header is machined from a solid bar of 316L SS No NPT screwed connections 316L SS Drip Pan with drain plug
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