Innovative Coriolis metering Solutions Optimize Well Production Management

Innovative Coriolis metering Solutions Optimize Well Production Management

Chandramohan has more than 21 years of industry experience in the field of Instrumentation and flow measurement. CHANDRAMOHAN M C Sr BDM Oil & Gas, Emerson Process Management In the current position as Sr Business Development Manager O&G in Emerson FZE, I handle the business development activities in the oil & gas market for Daniel, Micro Motion and Rosemount flow products for Middle East & Africa. I am a Graduate Engineer in Instrumentation & Control.

UPSTREAM O&G Production Crude oil Raw natural gas OIL FIELD SERVICES Well Related Services Drilling Completion Treatment Solutions focus driving growth across the Oil & Gas value chain 2 Well Production Management Natural Gas MIDSTREAM Crude Oil 1 Well development Natural Gas Processing Natural Gas LNG,LPG, NGL Pipelines, Jetty Loading, Transport DOWNSTREAM Crude Oil Refining Gasoline Diesel Lubricating oils Petrochemicals DISTRIBUTION Transportation & Distribution 3 Pipelines & Terminals Transport & Marketing Terminals ` 4 Refining & Petrochemical

Well Testing & Well Head Measurement Net Oil / water cut Oil / water / natural gas Allocation & Fiscal Hydrocarbons (Liquid & Gas) custody transfer o API confirmation Coriolis Well Production Applications Production measurement & allocation Natural gas gathering NGL Transfer Enhanced Oil Recovery Water/Steam Injection Gas lift / Gas injection Downhole Chemical Injection

Gas flow Gas flow MMI ELITE Coriolis Meters are Designed to Detect and Handle Entrained Gas Sensor Geometry ELITE geometry is the most sensitive and stable sensor design Drive Frequency As a result, a low drive frequency of the sensor tubes can be used, which is fundamental to good performance with entrained gas present. Electronics MVD transmitter technology with digital signal processing (DSP) properly detects and compensates flow output Mists Bubble Bubble Slug Liquid/Gas flow

Coriolis Technology Improves Measurement Confidence Device Health Smart Meter Verification Entire Meter Sensor + Transmitter + Connections Structural Integrity Method Independent variable from flow & process conditions Can be set up to run at regular interval PROCESS Leaks in Suction side of pumps Two-phase Flow, Entrained Gas Detection Bubble Flow Process Intelligence Well head Test separator Slug Flow

Structural Integrity Measure Well Production Testing & Measurement Enhancements Meter verification Shift from preventive to predictive maintenance Meter audit trail Improved volume accuracy Sustained performance over wider flow turndown Entrained gas performance Improved volume measurement accuracy 0.06 0.04 0.02 0-0.02 Factory Calibration Customer advised -0.04 Not Okay due to measurement change -0.06 0 20 40 60 80 100 ADDED VALUE Damage Begins Measurement Number Increased meter availability Reduced maintenance cost Improved maintenance staff efficiency & effectiveness Tunable trigger limits

Production Management Well Head Measurement No or low Gas Void Fraction(0-20% GVF) Well pad gas / liquid separator Backpressure control ESP / PCP systems to minimize GVF Continuous well production measurement Reduced piping infrastructure compared to central well testing facilities Coriolis Meter Choke Control Net Oil Computer Water cut probe

Well Head Measurement Low GVF Metering System Pain Reduced oil production rates Increased uncertainty in well production data Issues Increase in GVF in produced fluid during the well life cycle Old Test separator unable give reliable well test data. MPFM seen as an expensive solution Flow meter performance under two phase flow conditions Solutions Real-time, reliable, representative well data Product integration and fabrication for reliable and simpler operations Value Improved well utilization from 65% to 90% Production managers and reservoir mangers could make real time decisions on production strategies 60% reduction in capital expenditure compared to MPFM COMPLETE SYSTEM Micro Motion Coriolis flow meter Digital Net Oil Computer (DNOC) Water Cut Probe

Challenges Well Head Measurement Wet gas Increased uncertainty in well production data in gas wells Monitor Lean gas break through Back allocation of condensate to individual wells Issues Unable to predict the change in gas density due to presence of condensate Unable to predict lean gas break through The separator unable to give a reliable data Solutions Real time, reliable well test data Monitor total Mass flow and density of the fluid to determine the amount of produced gas and changing gas/liquid characteristics of the well head production Online CGR and gas flow measurement Well head measurement system which will measure gas flow rate with an indication of lean gas break through and CGR Value Real time, reliable well test data Operating pressure is 100Bar with a gas density 100Kg/m3 Complete Solution CMF300H Sensor + 2700 xmtr 3051 Pressure transmitter SCADA system

Well Production Measurement & Testing Net Oil APPLICATION Water cut and net oil measurement in Two phase test separators CHALLENGE Inaccurate & unreliable production data due to wear and frequent breakdown of PD / Turbine meters Availability of test facilities Test program deviations Manual sampling for water cut High maintenance cost SOLUTION Immunity to harsh process conditions Flow & Water cut measurement in one device No flow conditioning or straight runs RESULTS No meter failures 15% lower installed cost Water cut accuracy reduced from ±7% to ±1% over lab sampling Net oil uncertainty reduced from ±14.5% to ±2%

Density (g/cc) Density Based Water Cut Determination Coriolis meter measures mass flow rate, density, temperature, and drive energy V = m / d Vnet oil = Vgross (1 - water cut) Water cut = dmix doil dh2o - doil Requires accurate density measurement ± 0.0002 g/cc 1.05 1.00 0.95 0.90 0.85 0.80 0.75 0.70 Crude Oil & Produced Water Densities 60 90 120 150 Temperature (deg F) Produced water density W/C = DM - DO DW - DO Crude oil density - API

Net Oil Computer Application Less complex, two-phase test separators Full-stream density measurement non-sampling Live oil / water density determination in the field One sensor can measure all variables Cost comparable to turbine + water cut probe Flow measurement not affected by water cut or flow regime Entrained gas correction at <5% GVF Temperature-corrected outputs No need for temperature measurement device or flow computer Single solution for a broader water cut application range Over 20,000 installations Improved measurement performance and reliability

Typical Coriolis based Well test system with Gas Meter and Water Cut Monitor 4-Wire MVD FO Optional Water Cut Probe DNOC ROC809 4-Wire MVD Note: Separate water cut probe is optional as Coriolis meter in the liquid will calculate the WC And Net oil.

Coriolis based Well test system with Liquid & Gas Meter in KOC GC MMI CMF300 HP Separator MMI CMF300 DNOC ROC 809 Flow Computer Well Test HMI LP Separator MMI CMF300 DNOC Enhanced functionality Density + water cut probe applications Pressure compensation Expanded data storage Expanded historical data recalculation Multi port valve selection programs Custom functionality capability AGA equations for natural gas PID control

Gas-Liquid Cylindrical Cyclone (GLCC) separator developed by a Joint Industry Project a the University of Tulsa Multiphase Measurement - Partial Separation Technology Gas Flow Gas Liquid Cylindrical Cyclone Multiphase Flow Oil Flow Water Flow Field Proven Separation Technique More than 6000 types installed Worldwide Can remove 100% free gas at low GOR with low viscosity crudes Inexpensive, simple, no moving parts Coriolis meters in Liquid and gas legs DNOC electronics and flow computer

Pressure Rating Challenge: Down-hole Chemical Injection Maintain reliability and availability of the well Wide range of flow rates and chemical formulations to maintain proper blends Changing fluid density, viscosity, composition, and conductivity Solution: Application Precise wellbore integrity and flow assurance Accurate, reliable, precise measurement of chemical additives in installations up to CL2500# (413 bar) meters over wide turndown Optimized flow assurance and production performance Density monitoring for improved quality control on injected or recovered chemicals Early detection of abnormal situations usage throughout your plant to help identify and correct inefficiencies

Drilling Fluid Management Applications On the fly / Batch Mixing Enhanced Fluid Monitoring Cuttings Re-Injection 2 2a Kick Detection 2 2b Lost Circulation Detection Managed Pressure Drilling Applications & Coriolis measurement points associated with drilling fluids.

Enhanced Fluid Monitoring Lost Circulation, Kick Detection Micro Motion Meter Mud Pump Optional Shaker Micro Motion Meter Instantaneous, continuous downhole & returns flow rates (Barrel-In-Barrel Out) Measurement of dense slurries including sand & cuttings Measures oil, water or synthetic based fluids even under GVF Improved safety through improved lost circulation & kick detection Reduced Non-Productive Time with reliable devices

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