• Which is the best software solution for reporting and evaluating productionlevels and accurately forecast the same?
  • How can you detect when your GOR is increasing orif it is only a temporary issue and can be solved or is it that the reservoir is depleting and crossing the bubble point?
  • Which is the best way to do DeclineCurve Analysis?
  • Which isthe bestwell testing practice at different stages of E&P cycle?
  • How can you review your reservoir limits again?
  • What can give the best Well Productivity and Reservoir Characteristics results, beyond your current standards?
  • What is the best procedure for doing the Well test analysis and interpretation?
  • What are the ways in which Wells can be produced inan optimum rate?
  • How can you periodically review your Model Characterization, Model Calibration, Forecast and Prediction Methods and workflows and identify the latest inputs needed to improve them?
  • How can you gauge the success of Production Process Modeling?
  • What is the correct method to check the status of your Integrated Asset Modeling?
  • Are your Reservoir Modeling, Well Modeling and Surface Modeling giving you the best results?
  • Are your models detailed enough or is some important step missing in the workflow?
  • What are the benefits of detailed & organized Integrated Asset modeling?
  • Are the back allocation techniques appropriate?
  • Are your flow meters designed and equipped with the latest technology?
  • Are production profits being integrally shared?
  • What leads to the best ProductionSurveillance procedures?
  • What are the problems associated with reservoir and wellbore construction?
  • How can you detect waterfront and anomalous behaviors like Gas break-out in an oil well or liquid drop-out in a Gas Condensate well?
  • Have you got real time monitoring services for water-flooded fields?
  • What are the advantages of having real time Artificial lift monitoring systems?
  • Are your quality control activities in proper shape?
  • How well deliverability can be improved?
  • What can lead to optimized flow system?
  • How can you reduce the pressure losses between the bottom hole and the separation facility?
  • What are the best ways for implementing or improving artificial lift procedures?

Production Management Solutions

iOG Solutions offers its clients the complete range of Production Management services. These include design completion and surface systems management, selection and design of the artificial lift, design and implementation of production allocation and accounting systems, monitoring production volumes and other parameters in real-time, calculating and reporting KPIs, optimization of oil/gas production rates as well as in predicting future performance. It also includes diagnosis of productivity problems and evaluation of stimulation treatments.

Our Production Management services can be broadly divided into the following categories:

  • Production Engineering
  • Production Surveillance
  • Production Allocation & Accounting
  • Production Monitoring
  • Production Optimization & Integrated Asset Management
  • Production Forecasting
  • Well Operations

iOG’s Production Engineering involves designing and selecting the equipments that will get the well to produce oil and gas after it is drilled. We achieve this by designing and overseeing the most efficient day to day oil and gas production operations from the reservoir, up the well and through the processing and storage operations at the surface.

Our services are as below:

  • Evaluating inflow and outflow performance between the reservoir and the wellbore.
  • Designing completion systems, including tubing selection, perforating processes, sand control, matrix stimulation, and hydraulic fracturing.
  • Design and optimization of well completions including multi-lateral, multi-layer and horizontal wells.
  • Design and optimization of tubing and pipeline sizes
  • Select and Design Artificial lift such as Gas lifted, Hydraulic pumps, PCP, Jet Pump, ESP or Tapered ESP wells, Diluent Injection and Foam Lift Wells
  • Detailed pipeline design and performance monitoring which includes flow regimes, slug size and frequency and stability analysis
  • Conduction of Flow Assurance Studies
  • Development of a Model production system containing oil, gas, condensate and gas, water injection system
  • Selection of equipment for surface facilities that separate and measure the produced fluids (oil, natural gas, water and impurities), prepare the oil and gas for transportation to the market and handle disposal of any water and impurities.
  • Design and build complete field model, which includes reservoir tanks, all the wells and the surface gathering system.
  • Design Well performance and the optimization program as a part of Production Optimization
  • Design Well workover, intervention and stimulation

The resultant detailed integrated production model can be used for mid to long-term production forecasting and short-term production optimization. We can also help you In setting up customized spreadsheet interfaces that can populate and initiate the production model with data and run it in batch mode. It enables you to make accurate Production forecasting by taking into consideration all the subsurface and surface constraints

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iOG provides the following surveillance services for Production Fields:

  • Assessment of well intervention with pre and post Pressure Build Up Tests
  • Analyzing Asset performance and productivity
  • Detecting Waterfront
  • Support Relative Permeability curves for waterflooded fields
  • Realtime monitoring services for Underperforming wells
  • Artificial Lift real time monitoring
  • Identifying problems in the reservoir and wellbore construction
  • Quality Control activities assessment
  • Detecting anomalous behaviors like Gas break-out in an oil well or liquid drop-out in a Gas Condensate well
  • Reservoir Monitoring (4D) - 3D + time for visualizing geological data
  • LIDAR (Light Detection and Ranging)

Production Monitoring

Production Surveillance/Monitoring refers to the procedure of measuring and monitoring fluid properties over the life of the well. This can be useful for Identifying production and mechanical problems, generating flow profiles to determine gas, oil and water holdup, monitoring changes in fluid saturation during production and comparison with expected well performance

The ultimate purpose is to provide information which can help to maximize oil recovery, extend life of well and reduce operating cost.

iOG provides the following surveillance services for Production Fields:

  • Assessment of well interventions with pre and post Pressure Build Up Tests
  • Analyzing Asset performance and productivity
  • Detection of Waterfronts
  • Support Relative Permeability curves for water-flooded fields
  • Real-time monitoring services for Underperforming wells
  • Artificial Lift real time monitoring
  • Identifying problems in the reservoir and wellbore construction
  • Quality Control activities assessment
  • Detecting anomalous behaviors like Gas break-out in an oil well or liquid drop-out in a Gas Condensate well
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Production accounting helps you monitor business processes for production, transport, sales and revenue of oil and gas. By monitoring every hydrocarbon produced, transported or sold, the value of the oil and gas from different sources can be determined. Oil and gas production accountants track and analyse production data, calculate revenue and royalties associated with properties owned by oil companies and ensure that reporting requirements are met.

iOG provides the below mentioned Production Accounting & Allocation services:

  • Review of your processes against the Industry’s best practices and benchmarks
  • Assessment of Production accounting & allocation methodologies.
  • Suggestions for an improved Re-accounting & Re-allocation algorithm
  • Evaluation and comparison of Production accounting software / tools
  • Functional requirement for Production accounting & allocation tools
  • Configuration and implementation of HCA solutions
  • Implementation of any new modules / functionalities within existing tools
  • Implementation of Reporting Functionalities
  • Training and support services for sustained value and identifications
  • Feasibility and benefit estimation studies to identify the impact of new Production accounting & allocation system

Upstream Production Accounting Solutions

We at iOG, have experience with different hydrocarbon accounting tools can provide following services:

  • Provide technical guidance and troubleshooting support to hydrocarbon and yield team site personnel.
  • Build interfaces for Controller’s team to provide support for external audit inquiries, IRS reporting, and unusual/atypical hydrocarbon entries.
  • Build Interfaces with Tax team to provide support for replacement value analysis, property tax analysis, and other tax submissions.
  • Help in allocation methodologies
  • Regularly conduct process reviews/audits of the custody transfer/mass balance process to ensure ongoing effectiveness and compliance.
  • Implement strategies/actions to correct control weaknesses. When process checks result in a material error, provide technical support and write-ups and interface with Controller’s team to explain the process gaps and agree on corrective actions.
  • Tailored production accounting training services will be given depending upon the business needs and the industry in compliance with generally accepted accounting principles (GAAP)
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The objective of production optimization is to maximize the total oil/gas production rate and to minimize the total cost of operation. For single wells or other small systems, simple well optimization and nodal analysis may be adequate but large complex systems demand a much more sophisticated approach to predict the response accurately and to examine alternative operational scenarios efficiently.

Below are the areas covered under production optimization design of a well and the associated production system:

Production Analysis:

Identify change in production of a well and suggest corrective actions for improvement.

Well Performance Monitoring

Well performance is monitored and compared to its initial / best performance.

Well Optimization:

Using the Well model, the production parameters of oil and gas wells can be optimized.

Field optimization:

Using integrated models of reservoirs, well & surface facilities, the production rate of each well is optimized to get the maximum total productivity of the field or the desired production.

Integrated Asset Modeling involves the conventional stages of Model characterization, Model calibration/Initialization and Predictions and Forecasting. Essentially, the models are built for each important component, tuned to mimic the actual production process and then used for Production optimization, scenario analysis and Production forecasting. Our Integrated Asset Modelling approach can be illustrated as follows:

Production Engineering
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Accurate and reliable production forecasting is a significant step in the management and planning of petroleum reservoirs. iOG solutions conduct the Decline curve analysis for providing deterministic estimates for future performance and remaining reserves.

Our service offerings include

  • Selection and accessing the required Reservoir and Well data
  • Selecting the best models by applying proper analytical functions
  • Performing tailored Decline curve analysis
  • Prediction of performance using various variables
  • Setting guidelines and constraint for the production forecasts.
  • Evaluation of the inflow and outflow well performance
  • Execution of the prediction cases.
  • Sensitivity Analysis (what if component/parameter changes)
  • Sensitization on various perceived inflow and outflow parameters and evaluation of their effects on the total producing system
  • Performance curves — choke correlation and PQ curves
  • Oil shrinkage calculations
  • Estimating unconventional sources of well production
  • Total gas oil ratio calculations
  • Well tests Data and analysis reports
  • Well event planning: flowing, injecting, well tests, well status, downtime entered in minutes by date and time
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Well Test is a tool for reservoir evaluation and characterization. It helps in defining reservoir limits (distances to boundaries and drainage area), estimate average drainage area pressure, characterize reservoir (permeability, skin factor, dual porosity or layered behaviour), diagnose productivity problems and evaluate stimulation treatment effectiveness (fracture conductivity, fracture half-length)

Pressure Transient Analysis:

iOG software solutions provides accurate and reliable design and analysis of pressure transients from traditional production and drill stem tests (DST), as well as from the wire line formation tests (WFT) and testing-while-drilling (TWD) operations on exploration, appraisal or production of wells. The test objectives at any stage range from simple measurement of reservoir pressure to complex characterization of reservoir features. On this basis, PTA is classified as either productivity well tests or descriptive reservoir tests.

Various well pressure transient testing techniques are employed based on the stage of the field life:

  • Standard and Mini Drill Stem Testing: A procedure for isolating and testing the pressure, permeability and productive capacity of a geological formation
  • Wireline Formations Testers: Formation testers provide alternatives to conventional well testing. E.g. Modular Formation Dynamic Tester (MDT)
  • Testing While Drilling
  • Production, Injection and Interference Tests
  • Permanent Down Hole Gauges: Continuously monitor well and reservoir pressure changes
  • Time Lapse Well Testing: Can be used to monitor changing fluid saturations in these reservoirs

iOG provides the following Well test interpretation services:

  • Well test Design and Planning
  • Models and analysis methods for wireline formation tests
  • Multi-layer test analysis with flow profiles from production logs
  • Prediction option to forecast future productivity of the well based on the current analysis model
  • Inflow Performance Relationship (IPR) for gas well tests
  • Flow profiles for multi-layer analysis
  • Plotting of variations in skin versus time to detect changes in well performance
  • Pressure de-convolution for analyzing tests with insufficient or poor quality data
  • Multi-well capability to assist in determining interference effects from other wells
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