Transcript MUX - .::FANARCO::. • Index page

MUX Control Systems
Multiplex Control System
2
MUX System - Key Features

Designed and tested for continuous operation in
10,000 feet of water
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Designed for a 20-year service life
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Designed to minimize maintenance costs,
maximize operating time
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Component design is based on 25 years of
proven operational experience
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Designed and manufactured in accordance with
API 16D, API 16E
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MUX System Development
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One Year $2,000,000 Development Program
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All Subsea MUX POD Components were
prequalified by Testing at 5,000 psi Ambient
Pressure and Low Temperature (+10C/340F)
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Subsea MUX POD Electronics Assembly was
subjected to Vibration Stress Testing.
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Subsea MUX POD was subjected to Hyperbaric
Testing at 4,000 psi Ambient Pressure and Low
Temperature (+10C/340F)
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BOP Control Modes
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Electronic System - Key Features
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Modular component design
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Dual power supplies for each assembly
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Control circuits are in a dual redundant distributed system
design
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Control circuit communications are based on the RS-485
industry standard using the Motorola 68360 chip set.
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Each control CPU and MMI CPU is isolated from each other,
using 10 Base T for communications.
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Embedded data acquisition system which records each event
and alarm.
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Data logger which includes permanent storage of data
acquisition information and maintenance data base.
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Embedded Electronics VS PLC
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Size and weight of sub sea package.
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Minimize heat generated by electronics package
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Increased capability
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Increased system reliability due to continuous
monitoring of key system parameters.
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Customized interfaces (i.e. - DP System).
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System Software
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User interfaces:
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Traditional Driller’s panel with lighted push
buttons
CCU System monitor with Windows 95 type
interface
API Alarms
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Operating Systems
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Control:
VX Works
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Display/MMI:
Windows NT/95
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Programming Languages
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Control
C
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MMI/Display
Visual Basic
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Surface Communications:
Hydril MODBUS
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Subsea Communications:
Set
HAYES Modem
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Central Control Unit (CCU)
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CCU
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Integrated console with Redundant Stations:
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Backup Control
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System Monitoring
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System Diagnostics
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Intuitive design and layout for “at a glance” total system status
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Failsafe design / not MMI dependent
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Custom Interfaces for:
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Electronic riser angle
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Riser recoil system
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Custom RS-232 or RS-485 inputs/outputs
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CCU Display
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Driller’s Panel
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Driller’s Panel
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Micro-processor based / multiplexed with the
CCU
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Standard packaging for user familiarity
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Color coded labeling
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Meets hazardous location requirements
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API Alarm monitoring
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System status monitoring
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Tool Pusher’s Panel
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Subsea Control Pod
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Subsea Pod
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84 Hydraulic Ports
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96 Functions
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20 Year Design Service Life
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Retractable Stab Design for Guide Line and
Guide Lineless Operation
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E/H Unit and Hydraulic Unit are interchangeable
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Subsea Pod
E/H Unit
Hydraulic
Unit
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Subsea Pod E/H Unit
Sub Sea
MUX Cable
Connector
Sub Sea
Electronics
Sub Sea
Transformer
Pressure
Compensated
Solenoid Housing
Shear Seal
Pilot Valves
Solenoids
Pressure
Transducers
One Atmosphere
Base
Hydraulic Seal
Sub J-Plates
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Subsea Pod E/H Unit
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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
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All external electrical connectors have redundant
o-ring seals with test ports
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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 Valve
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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
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Subsea Pressure Transducer
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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 Module
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Redundant Electronics Modules
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Redundant Power Supplies
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Low package density
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Low power consumption
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High Amperage Hypertronic
Connectors which are keyed and
positive locked
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Subsea Pod Hydraulic Unit
Reference
Accumulators
SPM Valves
BOP Stack Stab
Cylinder
Hydraulic
Regulators
Solid Hydraulic
Manifolds
Pilot Circuit
Hydraulic Filter
Shuttle
Valves
Flow Meter
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Subsea Pod Hydraulic Unit

All Subsea POD components are manufactured from 316L SS,
Nitronics 50/60, or 17-4/7PH.
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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.
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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 Regulator

Body and major
components are 316L SS
and Nitronics 50/60
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Nickel Comaloy Coated Seal
Surfaces with Nickel
Carbide Seals
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240 GPM Maximum
Measured Flow Rate
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Dead Band <40 pounds
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Subsea SPM Valve
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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 Systems
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Hydraulic Pumping Unit
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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 Filter
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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 Rack
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6,000 psi 15 gallon top
loading bottles
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Available in 10 bottle
racks, 12 bottle racks, 16
bottle racks, and 20
bottle racks
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Blanking Plates available
for odd numbers of
bottles in rack
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Each manifold can be
isolated and has a gauge
showing manifold
pressure
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Accumulator Bottle Rack
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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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