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VFM/Sudden Water Production in a Deepwater Oil Well

Oilfield Data Services Inc. (ODSI) was brought in to diagnose the root cause(s) of sudden water production (zero to 4000 BWPD almost overnight!) in a deepwater subsea GOM oil well ...

Automated Real-Time Reservoir & Production Engineering Analysis and Surveillance

Hear about the implementation and advantages of Oilfield Data Services Inc.’s (ODSI) Automated Real-Time Service (ARTS). ARTS combines physics-based models, automation, and expertise from surveillance engineers to optimize production and ...

How Much Money Do You Have Left in the Ground?

Dive into a comprehensive look at evaluating hydrocarbon volumes in reservoirs to enhance financial decisions. In this presentation, ODSI outlines the use of Well Analyzer ARTS for real-time and historical ...

Frac Replay Analysis – What, How, and Why?

Delve into the methodologies and benefits of analyzing hydraulic fracture stimulation in oil and gas wells, emphasizing the importance of utilizing data from fracturing processes to improve future operations. This ...

Engineered Frac’d Well Flowbacks & Reservoir Evaluation

This comprehensive overview of engineered flowback processes in fractured wells emphasizes reservoir evaluation. Various case studies are included, each focusing on different aspects of the process: 3-Phase Horizontal WHPs Analysis: ...

Blind Reservoir Mapping

During the first few days and weeks of a well’s production life, we use the drawdown data to determine the distance to and the type of boundaries (fault, strat, OWC, ...

Reservoir and Production Engineering Surveillance & Management Course Webinar

This extensive resource on reservoir and production engineering surveillance and management covers topics such as the importance of proactive surveillance, understanding and analyzing well and reservoir performance, and managing assets ...

Engineered Flowback and Reservoir Evaluation for Unconventional Wells

A flowback procedure is presented that uses a wellbore model coupled with thermal and fluid modeling to calculate the bottomhole pressure (BHP) and maximize the safe initial production/drawdown without over-stressing ...

A Systematic Approach to Evaluate Sanding Potential Caused by Formation Shear Failure in Unconsolidated Oil and Gas Reservoirs

This article will address two issues related to sand production in unconsolidated reservoirs. First, it will examine the relationship between formation compressibility (Cf), elastoplastic hysteresis, and the shear failure of ...

A Systemic Approach to Evaluate the Sanding Potential Caused by Formation Shear Failure in Unconsolidated Oil and Gas Reservoirs

ODSI dives into the critical issue of sand production in oil and gas extraction from unconsolidated reservoirs. Bryan Baptista, ODSI, details both microscopic and macroscopic shear failures that contribute to ...

Just Calculating P.I. Doesn’t Tell You What’s Going On

Is a simple P.I. equation in well performance analysis sufficient? Consider that while changes in P.I. indicate performance shifts, it doesn't reveal the underlying reasons. This presentation delves into the ...

OILFIELD DATA SERVICES INC. (ODSI) – WELLBORE SOLUTION

Introduction to ODSI's wellbore solution using the mechanical energy balance equation ...

Deepwater Case Studies of Automated Real-Time Surveillance

These slides present an in-depth examination of advanced techniques in reservoir engineering, exploring the practical application of these techniques through detailed case studies, specifically focusing on deepwater environments. The presentation ...

Is it Well Bore or Reservoir? Understanding Re-injection Effects during a Well Test

This article, first appearing in Hart's E&P Magazine, presents a comprehensive analysis of differentiating pressure changes due to wellbore effects from those caused by reservoir responses in pressure-testing of wells ...

Augmenting the Production Capabilities of Oil and Gas Companies

The article from Energy Tech Review focuses on the 10th anniversary of ODSI's real-time well/reservoir evaluation package, Well Analyzer-RTS. It highlights ODSI's journey in automating reservoir and production engineering calculations, ...

Well Analyzer for Conventional Horizontal Oil Wells, Gas Condensate Wells, and Injector Wells

The analysis of Well Analyzer (WA) applications in conventional horizontal oil wells were focused on gas condensate (GC) and injector wells. This particular study showcases Well Analyzer's automated real-time surveillance ...

The Propagation of Depletion – The Inclusion of Inertia in the Derivation of the Diffusivity Equation

When flow is initiated from a well, a physical shock front is created in the reservoir, beginning at the completion. This shock front moves out into the reservoir as a ...

The Propagation of Depletion – The Inclusion of Inertia in the Derivation of the Diffusivity Equation

When flow is initiated from a well, a physical shock front is created in the reservoir, beginning at the completion. This shock front moves out into the reservoir as a ...

OILFIELD DATA SERVICES INC. (ODSI) – The Inclusion of Inertia in the Derivation of the Diffusivity Equation

When flow is initiated from a well, a physical shock front is created in the reservoir, beginning at the completion. This shock front moves out into the reservoir as a ...

High Skin or Bad BHP – Phase-thermal effects and PTA (Gas Condensate, Offshore North Sea)

This particular application of the ODSI Well Analyzer employed a direct numerical integration to the Mechanical Energy Balance equation for real-time surveillance of a subsea gas condensate well in the ...

Pitfalls of Surface Well Test Analysis – Guidelines

Abstract Pressure Transient Analysis (PTA) provides valuable information about the subsurface completion and reservoir. Permanent downhole pressure gauges (PDHG) are not always available in wells. In such cases, wellhead pressure ...

Horizontal Fractured Wells

This evaluation and optimization of horizontally fractured wells provides a comprehensive overview of the capabilities of Oilfield Data Services Inc. (ODSI). It covers the application of ODSI's proprietary technology for ...

Using Automated Well/Reservoir Surveillance to Enhance Productivity – CIO Review 2019

The CIO Review 2019 features ODSI (Oilfield Data Services Inc.), highlighting its innovative approaches in the oil and gas industry. The article focuses on ODSI's advanced data management and analysis ...

Automated Production and Reservoir Surveillance Systems… and Why We Screw It Up!

In his typically candid, often humorous style, Chris Fair dissects the often misguided attempts in the oil and gas industry to implement surveillance systems. He critiques the common missteps, like ...

Gas Injector Surveillance – Offshore Australia

ODSI focused on the use of the Well Analyzer Automated Real-Time Surveillance (ARTS) for surveillance of a gas injector well in Offshore Australia. Key features included automated rate calculations, PVT ...

Getting Past the Buzz Words: Automated Production and Reservoir Surveillance Systems…And Why We Screw It Up!

At the Data Driven Drilling & Production Conference, Chris Fair focused on the challenges and potential pitfalls in the implementation of automated production and reservoir surveillance systems in the oil ...

Building an Effective Reservoir and Production Monitoring System

At the Data Driven Production Conference in Aberdeen, November 2017, Chris Fair discussed the development of advanced surveillance systems in oil and gas production. The presentation addresses the critical need ...

Failed Subsea Flow Meters – Wet Gas Wells – North Sea

The successful application of Oilfield Data Services Inc.'s (ODSI) Virtual Metering solution, with failed subsea flow meters in two North Sea wet gas wells, saved the operator at least $4 ...

Diagnostic Time-Lapse PTA – Deepwater GOM Well

This demonstration of ODSI's Automated Time-Lapse Real-Time Pressure Transient Analysis (PTA) was focused on a deepwater Gulf of Mexico oil well. It emphasized the tool's ability to perform PTA and track ...

Water Injector Demo

At the Data Driven Production Conference in Aberdeen, November 2017, Chris Fair discussed the development of advanced surveillance systems in oil and gas production. The presentation addresses the critical need ...

The Effect of Wellbore Temperature Changes and Frictional Losses on Well Test Interpretation Results

With the widespread use of downhole pressure gauges (DHPGs) to measure and record downhole pressures in oil and gas wells, engineers have been able to eliminate/reduce the wellbore effects that ...

The Effect of Wellbore Temperature Changes and Frictional Losses on Well Test Interpretation Results

This presentation demonstrates the impact of wellbore dynamics on pressure transient analysis (PTA) in oil and gas wells. It emphasizes the importance of considering temperature gradients and frictional losses to ...

Well Evaluation Methods

ODSI takes a comprehensive look into advanced well evaluation techniques in this presentation. It covered various methodologies including elementary well test analysis, decline analysis, inverse productivity analysis, and nodal analysis ...

ODSI’s Automated Reservoir and Production Engineering Software

Dive into an in-depth look at the implementation and benefits of automated reservoir and production engineering software. This presentation focuses on the effective integration of data processing, quality control, and ...

Water Production Detection (using surface and downhole gauges)

Explore the techniques for detecting water production in wells in this presentation. It emphasizes the fine-tuning of wellbore models and introduces three distinct methods for water detection: Temperature Response Analysis: ...

Well Analyzer for Producing Oil and Gas Wells

This exploration of the ODSI Well Analyzer demonstrates enhanced production and reservoir surveillance in producing oil and gas wells. Automated Real-Time Surveillance (ARTS) enables both real-time and historical data analysis ...

Real-Time Surveillance of Gas Condensate Well (Offshore Australia)

In this application of the Well Analyzer Automated Real-Time Surveillance (ARTS) for monitoring a gas condensate on a North West Shelf (NWS) Australia gas condensate well, ODSI highlights the use ...

Using the Wellbore as a d/p Meter to Calculate Gas Rate

The common use of high-resolution tree gauges and downhole permanent pressure/temperature gauges has made it possible to use the measured pressure drop in the wellbore to directly and accurately calculate ...

Using the Results from Automated Petroleum Engineering Calculations to Accelerate Decision Workflows

With the advent and common usage of high-resolution tree gauges, downhole permanent pressure/temperature gauges, and continuous flow measurement, many of the common petroleum engineering calculations and analysis tools for production ...

BHP Mid Completion

Aside from their main solution, ARTS, ODSI also provides solutions for other deepwater well issues. In this case, ODSI was brought in to analyze bottom hole pressure (BHP) in a ...

Predicting the Arrival of an Interference Response in a Direct Communication Test

This comprehensive resource discusses methods for predicting the arrival of an interference response in a direct communication test. It covers types of interference tests, reservoir physics, and assumptions, along with ...

A Methodology for Reducing Bias in the Design & Evaluation of Hydraulic Fractures

Review an in-depth analysis of the biases in hydraulic fracturing. This technical presentation emphasizes the importance of a systematic approach in frac design and evaluation, discussing the various types of ...

A Methodology for Reducing Bias in the Design & Evaluation of Hydraulic Fractures

The purpose of this paper is to present a framework to reduce bias in the design and evaluation of hydraulic fractures. When we mention “bias”, we are referring to human ...

Well Testing for G&G Guys (and Gals)

Chris Fair provides a comprehensive overview of well testing principles and techniques, tailored for geologists and geophysicists in this presentation. It focused on explaining well test interpretation, including the analysis ...

Closed Loop Wellbore Components

"Closed-Loop WB Components" focused on wellbore thermal modeling and its components. It explored various aspects like liquid drop out, liquid surge during startup, phase behavior calculations, and rate modeling. Key ...

Monitoring Water Contacts Using Pressure and Flowrate Measurement

This presentation focuses on the advanced methodologies and technologies for monitoring water contacts in reservoirs using pressure and flowrate measurements. It delves into the WAVEX® technology, demonstrating its application in ...

Developing an Early-Warning System for Well/Reservoir Problems

At the SPE API Technical Luncheon, ODSI presented: Developing an Early-Warning System for Well/Reservoir Problems. This presentation discussed the advanced methodologies for identifying and addressing issues in well and reservoir ...

Wavex Introduction

"Wavex: An Introduction" introduces the innovative Wavex technology in reservoir engineering. It emphasizes the application of Wavex in understanding reservoir dynamics, particularly focusing on its role in improving fluid flow ...

Wavex: The Capillary Model

"Wavex: The Capillary Model" delves into the technical nuances of the capillary model in the context of reservoir engineering. It provides a detailed exploration of the model's application in understanding ...

Subsea Well Testing at the Subsea Tree

Operators are often presented with a dilemma when installing instrumentation in a subsea well. Do they install permanent downhole gauges? If so, is there a backup plan in the eventuality ...

Gas/Condensate and Oil Well Testing – From the Surface

Since Cullender and Smith(1), surface pressures have been used to calculate bottomhole pressures on shallow, dry gas wells. If the original Cullender and Smith equations are modified to account for ...