DIGITAL Field Optimization

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The following is a representative list of projects that have been delivered by Technical Toolboxes (TT) consultants.

Submersible Pump Manufacturer: Design & Analysis Software

 

The Challenge: Through a series of acquisitions and consolidation, the client has become one of the world’s largest vendors of electrical submersible pumps (ESP) with market dominance in Russia and China. The client has embarked on a major marketing drive to be competitive with western vendors in order to penetrate higher margin international markets in the West, Latin America and the Middle East. A significant component of this drive is to leverage the company’s differentiating technology into a set of analysis tools that will be used initially for the design of their customer’s installations, and subsequently as part of an overall service for continuous 24x7 monitoring with the objective of extending run life, a critical performance metric for ESPs.

 

Our Role: TT ’s petroleum engineering advisors and software architects have teamed with the client’s experienced ESP design engineers to assess the state of ESP technology (both within the organization as well as externally), identifying strengths and limitations in key areas, and have created a design for the implementation of the next generation software tools for ESP analysis, design and monitoring.

 

Our Approach : The joint analysis was based on a review of existing in-house spreadsheets, commercial solutions as well as proprietary competitor offerings, supplemented with a series of extensive interviews with field engineers and customers. The resulting design will form the basis for the next phase of the project which will be the development of a comprehensive engineering analysis module for ESP design. The focus of the architectural design of the software is longer term extensibility of the complex engineering design algorithms into the subsequent real-time surveillance and diagnostics applications.

 

Technologies:

Platform Web application on cloud (Microsoft Azure)

Database Microsoft SQL Server 2008 R2 (With SQL Azure)

User Interface HTML5, JQuery, WCF restful services

Engineering EICE’s proprietary XWORK engine for multiphase flow analysis in the wellbore

 

Value to Client: Moving from the use of multiple geographically-dispersed field-driven approaches to a central engineering-focused solution based on the latest standards, technology and methodologies is expected to provide benefit on multiple fronts, not the least of which is a significant step in promoting the market perception of our client as technology leader in the artificial lift arena.

Oilfield Services Company - Subsurface-Surface Integration Workflows Orchestration

 

The Challenge: Our client has created an integrated asset modeling (IAM) and workflow orchestration environment for oilfield production operations. The challenge was to develop the capability to dynamically integrate reservoir simulation models with surface models.

 

Our Role: TT consultants designed and implemented an overall solution that integrates reservoir modeling capabilities (both rigorous simulation models as well as proxy tools) within the overall IAM environment.

 

Our Approach: The approach was to create a generalized solution applicable for all common workflows involving the interaction between subsurface and surface disciplines. The overall approach encompassed three distinct areas of application within a common workflow: a) automate the generation of well performance tables for use by any reservoir simulation model; b) automate the use of simulator-generated forecasts by the surface network models; and c) enable the dynamic coupling of reservoir simulator models with surface network models so that the two types of modeling solutions can execute in lockstep while simulating the life of the asset. The uniqueness of this solution is in the interdependency between the three distinct workflows that have traditionally been treated as separate.

 

Software Used: Commercial software modules used in the integration include Eclipse and Nexus for reservoir simulation, Prosper and WellFlo for well modeling, GAP for surface network analysis, and HYSYS for process simulation. TT’s internal PowerTools in the PETROLEUM skyBox for well modeling, PVT analysis and network analysis were also used during prototype development.

 

Value to Client: The comprehensive approach to subsurface-surface integration is a key aspect of the client’s offering in the production optimization space. TT is currently engaged with the client’s team in implementing this approach for an integrated operations solution for a major shale asset in North America.

National Oil Company: Integrated GIS-Based Data Management

 

The Challenge: TT was contracted to develop an integrated pipeline data management system for the client, one of the largest oil producers in the Middle East.


Our Role: TT consultants designed and implemented the overall GIS-based pipeline data management solution

 

Our Approach: Our approach was to provide a common solution integrating corporate engineering data, proprietary databases and legacy tools that would leverage live data from the field and provide transparency across multiple disciplines for the support of a collaborative working environment.


Value to Client: The GIS-driven integrated approach to data management has created a common foundation for visualizing the complexities of upstream and midstream oil and gas pipeline system, which in turn assists with enhancing the operation of the gathering network, optimizing hydrocarbon production, improving operational safety, and protecting the environment, in addition to helping maintain a competitive edge.

Major Applications Software Vendor: Next Generation Network Solver

 

The Challenge: The client markets the leading simulator for the analysis of oil and gas production systems. A critical component of the application engine is the algorithm for the solving multiphase flow networks. The client has recently embarked on an initiative to develop the next generation multiphase network solver based on a generalized Newton approach that is expected significantly improve solution speed, robustness and enhance functionality, all critical requirements for solving optimization problems involving large (100s of wells) gathering systems.

 

Our Role: TT provided advisory consulting services in the design of a new solution algorithm. TT’s consultants have several years of industry-leading expertise in solving complex multiphase flow and numerical analysis problems.

 

Our Approach: TT consultants have advised the client on their extensive practical experience in both network solver implementation and complex multiphase flow analysis through a set of workshops and white papers with the client’s development team. TT will continue to participate in the longer term development on an advisory basis.

 

Value to Client: A robust and efficient network solver will be at the center of the client’s future production optimization strategy. The significant experience of the TT consultants in this area is being leveraged to accelerate time to market and minimize development risk.

SCADA Vendor: Operations Surveillance System

 

The Challenge: Our client is a Canadian SCADA and instrumentation vendor that provides subscription-based field monitoring services to independent oil and gas operating companies in Alberta and British Columbia. The company is looking to extend its offering to the next step in the value chain – leverage the data available through its monitoring services to provide customers with reliable diagnostic solutions that are designed to help improve operations and meet regulatory compliance requirements.

 

Our Role: TT partnered with the client for the development of the initial phase of a web-based oil and gas operations management platform that is designed to combine real-time field data with static government and client data repositories while leveraging engineering analysis tool, with the overall solution driven by an interactive web-based GIS interface.

 

Our Approach: With the twin goals of maintaining market focus while simultaneously managing R&D costs, TT have taken a project-driven approach, where funded projects are used to drive the overall platform development strategy. The first phase of the project involved the development of a fugitive emissions management system for oil and gas operators in Alberta that is mandated by state regulatory laws.

 

Technologies:

Platform Web application

Database Microsoft SQL Server 2008 R2

User Interface ASP.Net, Crystal Reports

 

Value to Client: The value of the fugitive emissions service is not only that it ensures that oil and gas producers meet their compliance requirements, but they also save money as a result of decreased excess wasted gas as leaks are identified and repaired within a shorter timeframe. The client sees the this new initiative as a critical platform for offering more value-added services to its existing customer base as well as in expanding its offering to US and international markets. The association with TT enables the SCADA vendor to leverage advanced engineering and technology applications to achieve these objectives.

Petroleum Economics Software Vendor: Financial Model Visualization

 

The Challenge: The client markets a petroleum economics evaluation tool. With fiscal regimes currently in flux in the industry due to a combination of price volatility, shifting policies and legislative changes, the client identified the need for a visualization tool to provide a means for efficiently managing fiscal model libraries within the overall solution environment.

 

Our Role: TT is providing software development services for the development of a new visualization solution.

 

Our Approach: The project involves the development of a financial model visualization tool using WPF technologies. The application will read fiscal models, analyze the data and create graphical descriptions of the data based on a set of user interactions.

 

Technologies:

Platform Windows-based application

Database Microsoft SQL Server 2008

User Interface WPF, WCF, GOXam network modeling tool

 

Value to Client: An intuitive, easy-to-use model visualization tool will enable the client’s user base to leverage the complex financial model libraries that are currently in limited use. The improved usability will support the goal of making the overall solution a more competitive offering in the petroleum economics arena.

Mature Onshore Asset: Design of Integrated Operations Solution

 

The Challenge: TT have been providing advisory services to its client, an independent oil company, in designing, developing and deploying a monitoring and surveillance solution for a mature onshore asset in the United States.

 

Our Role: A TT consultant worked at the oil company’s facilities during the design phase of the project to provide subject matter expertise in the monitoring and surveillance of artificial lift systems (rod pump, ESP, plunger lift) for a field with a high well count.

 

Our Approach: Ongoing project (currently in design stage)

 

Value to Client: Once completed, the solution designed by the TT team will enable the client to rapidly identify operational problems when (or in some cases even before) they occur, and proactively take remedial action, thereby reducing downtime, lowering workover rig utilization load, and improving production.

Unconventional Asset: Design of Integrated Operations Solution

 

The Challenge: TT have been providing advisory services to its client, a global consulting organization charged with developing an overall Integrated Operations (digital oilfield) solution for a major oil company operating in a shale asset.

 

Our Role: A TT consultant worked at the oil company’s facilities during the design phase of the project to provide subject matter expertise in a number of areas related to advanced petroleum engineering including reservoir surveillance, well monitoring, surface equipment monitoring and flow assurance.

 

Our Approach: TT helped the client’s consulting team design solutions in Integrated Operations leveraging commercial and legacy software tools for forecasting, well performance analysis, and real-time monitoring.

 

Value to Client: By providing advanced subject matter expertise in the petroleum engineering domain, TT was able to assist its client in designing an effective Integrated Operations solution for its customer.

DIGITAL OILFIELD automated workflows for integrated oilfield operations

increase field-wide production, lower lifting costs, reduce non-productive time and improve operational safety

Read more

ESP Optimization

 

 

Surveillance

Display operating point on performance envelope, trends for measured/calculated operating parameters and generate alert notification when value outside operating envelope


  • Real-time measurements from SCADA
    • • Bottom-hole pressure, temperature, vibration
    • • Surface pressure, choke setting
    • • Frequency/speed, current, voltage

  • Well Test / Production Allocation
    • • Liquid rate, GOR, water cut
    • • Surface fluid characteristics – oil, gas and water gravity

  • Model computed values
    • • Gas Volume Fraction (GVF) at pump intake
    • • Motor winding temperature

Diagnostics

Enable operations engineer to drilldown via engineering analyses and identify the cause of surveillance alert notifications and proactively take remedial action

 

Examples

  • Excessive gas at intake – adjust choke to lower production and increase flowing BHP
  • Overheating motor – increase velocity past motor (shroud)

Optimization

Increase production – determine optimal speed through nodal analysis

Extend pump life – maximize operation within the operating envelope

Lower lifting cost

  • • operate within BEP region
  • • adjust operations so gas breakthrough in tubing occurs at a lower depth
  • • minimize choking
  • • debottleneck gathering system (network analysis)

Operating Point

Wellbore Profile

Pump Stage Profile

Nodal Analysis

DIGITAL OILFIELD automated workflows for integrated oilfield operations

increase field-wide production, lower lifting costs, reduce non-productive time and improve operational safety

Read more

VIRTUAL Metering

 

 

Objective

Estimate current oil, gas and water rates based on available measurements from SCADA, and leveraging supporting data from production history, reservoir inflow performance, etc. for additional validation


Data Sources

Pressure (and temperature) – bottom-hole, wellhead, and flowline (downstream of choke)

Well operations – choke setting, frequency (ESP), injection rate (gas lift), SPM (rod pump), etc.

Production test (and allocation) – historical production rates for oil, gas and water

Pressure transient testing – static pressure, IPR parameters (e.g. skin, permeability, drainage)

Fluid level (from surface pressure wave)


Approach

Statistical analysis / numerical weighting of rate calcs from multiple INDEPENDENT estimates

  • • Well performance analysis from reservoir to wellhead/separator (intersection of IPR and VLP)
  • • Reservoir inflow analysis (with bottom-hole gauge)
  • • Choke pressure drop (subcritical flow)
  • • Choke temperature change
  • • Pump performance (ESP)

Validation

  • • interpretation and interpolation of production history
  • • Comparison with other wells
  • • Aggregation of group production (at separator/plant

 

Rate, Q = function (DP, Water Cut, GLR)
where DP is available across multiple sections (from SCADA)

DIGITAL OILFIELD automated workflows for integrated oilfield operations

increase field-wide production, lower lifting costs, reduce non-productive time and improve operational safety

Read more

PIPELINE FLOW Assurance

Hydrate Monitoring

 

• Real-time flow assurance monitoring for a wet gas pipeline


• Objective: prevent hydrate formation through inhibitor (MEG) injection and controlling water production while optimizing overall field-wide production

• Proposed solution integrates pipeline analysis module with advance hydrate prediction models from a third-party


• System is required to be operational before first gas production