Reliable Reserves and Economics Tools that Deliver Reasonable Certainties

R3 Software from OGRE Systems

Discover R3, the world’s most reliable and efficient petroleum economics software: Modular approach

R3 Economics

R3 Economics is the core product of our modular based system. This industry-leading oil and reserves asset manager delivers production forecasting, and the financial information essential for risk analysis and optimizing cash-flow from drilling programs. SEE MORE


R3 Resources to Reserves (R2R) includes all the functionality of R3 Economics, plus a full suite of tools for integration of your geologic, geophysical, and well log information; to create structure maps, volumes (P1, P2, P3) and initial drilling programs. SEE MORE


R3 Professional is our fully-integrated platform for users to perform evaluation, analysis and management of reserves economics. This solution is flexible, customizable and is focused on the client’s workflow. Rapidly access the opportunity and collaborate easily with this first-choice engineering solution. SEE MORE

Model Builder

R3+ Model Builder empowers our users to build their own fiscal regimes model or migrate the current solutions from conventional sources, such as Excel. A content-rich Fiscal Regime library, including PSC, Corporate Income Tax, Royalty Tax, concession, service contract and more. SEE MORE

Visual Analytics

R3+ Visual Analytics helps automate workflow through data collection, preparation, and by populating different metrics or KPIs onto the dashboard. Easily and intuitively provide insights with interactive query, sort, and forecast capabilities. SEE MORE


R3+ Volumetrics specializes in volumetric well planning; allowing you to calculate in-place volumes of target gas and map drilling plans over time. Generate planned well production forecasts and ensure maximum revenue generation from your valuable assets. SEE MORE

Learn how R3 can transform your reserves economics - with our free demo and trial


OGRE Systems is dedicated to providing innovative software solutions that empower our clients to quantify, evaluate, analyze and optimize their petroleum reserves.


All of our clients use R3, exclusively, and do not need additional software to output and illustrate computed results*.

*With other providers, over 50% users require additional software to achieve the same results


We have spent 40-years serving our customers’ needs, with industry-leading software.


We provide round-the-clock support and unrivaled service.


All our customers say that the results from their technical analysis exports easily from R3 software.


"Our firm could quickly swap our economic solutions from Excel to a more essay to maintain, more secure commercial solutions, thank to the felicities of ModelBuilder and R3 Fiscal Regimes Library"

Probabilistic feature of R3 not only support P10, P50 and P90, but also support P1, P15, P75 and P99 input and output! It provides a full range of possible outcome and associated probabilities!”

R3 DCA Shortcut keys save me tons of time in our workflow…from speedy forecast to comparison the our results w/ clients, we love this features... "

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