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GEOSIGMOID GROUP
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  • Consulting Services

    Geological & Structural Modeling

    Building accurate subsurface structural frameworks.

    Seismic Interrpetation (2D/3D/4D)

    Imaging the subsurface for exploration and monitoring.

    Rock Physics & Seismic Inversion 

    Linking seismic response to reservoir properties.

    Reservoir Characterization

    Integrating data to define reservoir quality and behavior.

    Reservoir Engineering & Simulation

    Simulating reservoir performance and recovery strategies.

    Forecasting & Field Development Plans

    Optimizing development scenarios and production forecasts.

    Geomechanics & Well Stability

    Managing subsurface stresses and wellbore integrity.

    Resource & Reserve Evaluation 

    Quantifying volumes, risks, and economic potential.

    E&P Consulting Services

    Integrated subsurface consulting across geology, geophysics, reservoir engineering, and field development, delivering data-driven, decision-focused solutions.


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  • Field Operations

    Rig Inspection & Acceptance

    Independent verification of rig compliance and readiness.

    Rig Refurbishment & Recommissioning

    Restoring rigs to safe and operational standards.

    Drilling & Workover Operations

    Technical support for efficient drilling and interventions.

    Wellsite Supervision & Company Man

    On-site supervision ensuring safe and controlled operations.

    HSE Management & Field Compliance

    Ensuring safety, compliance, and operational discipline.

    Equipment Inspection & Certification

    Inspection and certification of critical oilfield equipment.

    Logistics & Field Readiness

    Coordinating logistics for smooth field execution.

    Maintenance Planning & CMMS Setup

    Structured maintenance planning and CMMS implementation.

    Operational Audits & Troubleshooting

    Identifying issues and restoring operational performance.

    Crew Training & On-the-Job Coaching

    Building competent crews through practical field training.

    Field Operations Services

    Operational excellence across drilling, workover, and production, supported by hands-on field expertise, independent supervision, and practical solutions.

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  • Software Development

    FracPredictor™

    Advanced hydraulic fracturing design, simulation, and optimization platform for conventional & unconventional reservoirs. 

    AI & Advanced Subsurface Analytics

    AI/ML models for subsurface prediction, uncertainty quantification, and pattern recognition across E&P workflows.

    GeoSca™

    Integrated geoscience data management and interpretation platform for seismic, wells, and subsurface studies.

    Subsurface Digital Platforms & Engineering Software

    Design and development of secure, scalable web-based platforms and digital twins for subsurface and field operations.

    Software Development

    Engineering-driven digital solutions delivering proprietary platforms and custom software for subsurface, field operations, and decision support.

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  • Trainings

    Why Geosigmoid Group

    Our training programs strengthen technical, operational, and digital skills by combining field experience, proven methodologies, and practical, real-world workflows.

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    Geology

    Applied petroleum geology and subsurface interpretation training.

    Geophysics

    Seismic interpretation, attributes, and inversion workflows.

    Petrophysics & Reservoir Modeling

    Static modeling, facies, and petrophysical property workflows.

    Reservoir Engineering

    Reserves evaluation, simulation, and production optimization.

    Production Engineering

    Integrated subsurface training across multiple disciplines.

    Drilling

    Well design, stability, and drilling performance optimization.

    Digital & AI Subsurface Geoscience

    Data-driven geoscience using AI for better subsurface evaluation.

    Multi-Disiplinary Cources

    Customized and project-specific professional training.
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GEOSIGMOID GROUP
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Our Services

Resource & Reserve Evaluation


Resource Assessment

  In-place volumes & uncertainty

 Reserve Estimation

Recoverable volumes & maturity

Risk & Uncertainty

Probabilistic scenarios & ranges

Decision 

Su​pport 

Investment & development decisions

Core Features

Quantifying volumes and value with confidence.


Data Integration

Integration of well logs, core data, seismic interpretation, inversion products, and geological inputs into a unified reservoir framework.

Volumetric Estimation

STOIIP / GIIP estimation driven by structure, facies, and petrophysical properties.

Resource Classification

Classification of resources (contingent, prospective) in line with industry standards.

Reserve Estimation

Deterministic and probabilistic reserve estimation based on recovery mechanisms and development concepts.

Uncertainty & Risk Analysis

Uncertainty quantification driven by geological, petrophysical, and dynamic parameters.

Economic Screening

High-level economic evaluation to support development and investment decisions.

​Development Scenario Comparison

Evaluation of alternative development scenarios driven by reservoir performance and uncertainty.

Foundation Package

Everything required for a robust resource and reserve assessment.

Data Inventory & QC

Review and quality control of geological, seismic, reservoir, and production inputs.

Project Setup & Standards

Evaluation workflows and classification standards aligned with SPE-PRMS guidelines.

Volumetrics & Scenarios

Deterministic and probabilistic volumetric calculations with low, base, and high cases.

Recovery Factor Assessment

Recovery factor estimation driven by reservoir characteristics and development strategy.

Resource & Reserve Classification

Classification of resources and reserves in compliance with industry reporting standards.

Technical Report

Clear documentation of methodology, assumptions, results, and uncertainties.

Review & Knowledge Transfer

Model walkthrough, technical review sessions, and knowledge transfer with client teams.

Questions?​

Frequently asked questions

Clear and concise answers to common questions about our resource and reserve evaluation services, supporting reliable volumetric estimates and informed investment decisions.

We provide hydrocarbon resource and reserve estimation, volumetric calculations, reserves classification, and uncertainty assessment for exploration, appraisal, and development projects. 

 Typical inputs include geological and reservoir models, well and production data, petrophysical parameters, fluid properties, and development assumptions. Data QC and validation are part of our process.

 Our evaluations are performed in accordance with internationally recognized standards such as PRMS, ensuring transparent and auditable results.

Our evaluations provide robust estimates of volumes, risk, and uncertainty, supporting economic assessments, project sanction decisions, and regulatory reporting. 

Deliverables include resource and reserve estimates (low, best, high cases), volumetric tables, uncertainty analysis, classification summaries, and a comprehensive technical report.

12+ resource and reserve evaluations completed

Probabilistic and deterministic volumetric assessments

Support for internal decision-making, farm-outs, and audits

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Dubaï Silicon Oasis, Dubaï Digital Park IFZA A1, Dubaï, UAE 
1135 Grand Central Parkway, Suite 354 ,  Conroe, TX 77304
Marsa Mall Building, N#14, La Marsa, 2046, Tunis,  Tunisia

+971 50 890 5982

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