Publications

  • Modelling of Drilling Fluid Thixotropy

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  • Measurement of Drilling Fluid Rheology and Thixotropy

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  • Drilling Data Hub: Interoperability for Drilling Real-time Management and Control

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  • Limiting Factors for the Ability to Achieve Accurate Pressure Control in Long Wells

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  • Digitalization - Interoperability for Drilling Real-time Management and Control: the Drilling Data Hub Initiative

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  • Fourth International Colloquim on Nonlinear Dynamics and Control of Deep Drilling Systems - Proceedings

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  • Flow and pressure control of underbalanced drilling operations using

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  • Drill-string dynamics in deviated wells in the presence of heave

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  • HOP assisted coiled tubing drilling

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  • CO2-EOR & CCS at IRIS

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  • An Interactive Decision Support System for Geosteering Operations

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  • Automation and Cybersecurity Limitations and Consequences

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  • Digital Drilling

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  • Transient modeling of one-dimensional solid-liquid flow in conduits

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  • Cuttings-Transport Modeling-Part 1: Specification of Benchmark Parameters With a Norwegian-Continental-Shelf Perspective

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  • Flow-loop Experiments with Non-Newtonian Reference Fluids for Estimating Uncertainty of In-line Rheology Sensors

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  • Matlab Toolbox for Steady-State Three-Layer Model of Particle Transport

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  • Drilling Data Hub for Real-time Drilling Applications

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  • The Impact of Molecular Diffusion of methane into Wells with Oil Based Mud

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  • Autonomous Laboratory-Scale Drilling rig for Testing and Control of Drilling Systems

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  • Minimum time control of heterodirectional linear coupled

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  • Dynamics of a distributed drill string system: Characteristic parameters and stability maps

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  • Tailor-made mud window prediction model

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  • Pore pressure prognosis update from seismic

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  • PressureAhead WP1: Prototype of new software tool. Technical Report

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  • Coupling to pore pressure model output: propagation of uncertainty to mud window

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  • Modelling of the Dynamic Behavior of the Power Transmission of an Automatic Small Scale Drilling Rig

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  • Den siste olje

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  • Drilling Data Hub

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  • Effect of inner string rotation and synchronous whirl on annular friction pressure losses

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  • A Study of Rig Heave Effects in Well 6506/11-10

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  • DrillTronics Heave Enablement. Technical description

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  • User Guide for IRIS Well Simulator With HeaveLock Extension

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  • From shallow horizontal drilling to ERD wells: How scale affects drillability and the management of drilling incidents

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  • Geothermal Drilling - Technologies and Opportunities

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  • Drilling Data Hub: Description

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  • IRIS DrillingSimulator for Matlab

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  • Demo: Comparison of Transmission Options for Real-time Modelling in Drilling.

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  • Insights into the physical phenomena that influence automatic gain/loss detection during drilling operations

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  • Drilling Data Hub

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  • OpenLab Drilling - A drilling simulation infrastructure for research, education and innovation

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  • Flow-loop experiments with non-Newtonian reference fluids for estimating uncertainty of in-line rheology sensors

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  • Stick-slip and torsional friction factors in inclined wellbores

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  • Study of Potential Well Control Situations due to Gas Diffusion and Gas Kicks in HPHT Well 6506/11-10

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  • Investigation of Suspended Particles Around an Obstacle in Vertical Pipe Flow: Comparison Study Experimental and Simulation

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  • Fractal structures in freezing brine

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  • Investigation of suspended particles around an obstacle in vertical pipe flow – comparison study experimental and simulation.

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  • Automatic risk uncertainty estimation to support decision making during drilling operation planning: Case study on an ERD well

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  • Axial and torsional dynamics of a distributed drill string system

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  • Estimation of Risk Level Embedded in Drilling Operation Plans

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  • Diffusion of Methane into a Well with Oil Based Mud while in Overbalance

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  • Implementing A Cohesive P-T Nets with Inhibitor Arcs in GPenSIM

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  • Challenges in the autoamtion of a laboratory-scale drilling rig and comparison with the requirements for full scale drilling automation

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  • RT-Hub: next generation real-time data aggregation while drilling

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  • Use of Quantitative Risk Analysis methods to Determine the Expected Drilling Parameter Operating Window Prior to Operation Start: Example from Two Wells in the North Sea - SPE/IADC-184693-MS

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  • ;A Novel Method for Locally Updating an Earth Model While Geosteering

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  • A novel method for multi-resolution earth model gridding SPE-182687-MS

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  • Advancements in Automation

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  • Hole Cleaning Modelling and indicators of hole cleaning problems

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  • Multiscale analysis of selected problems in fluid dynamics

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  • Proactive geosteering workflow for enhanced oil recovery

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  • State and Parameter Estimation of a Drift-Flux Model for Underbalanced Drilling Operations

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  • Virtual Rig Upgrade with Statfjord C’s Drilling Control System Version 2016

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  • Research into which drilling fluid parameters can be analysed real-time/online,

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  • Insights Into the Physcial Phenomena That Influence Automatic Gain/Loss Detection During Drilling Operations

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  • DrillTronics Phase IV – Milestone 2 Wired Pipe Adaptation

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  • Implementation of "Cohesive Place-Transition Nets with Inhibitor Arcs"

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  • Investigation of Reservoir Dynamics Based on Logging While Drilling Data

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  • Geothermal energy production using natural fracture systems

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  • P&A Activities at the DrillWell SFI

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  • SPE-183273-MS Automated Pressure Integrity Testing APIT-A Step Change Approach

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  • R&D Collaboration for Future Energy Demand

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  • Sensor and Apparatus to Measure Thermophysical Properties of Drilling Mud - Initial Results from Proof of Concept Experiments

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  • Caliper log and casing centralization analyses

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  • Test facility for cement evaluation

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  • Robust controller design for automated kick handling in managed

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  • DrillWell P&A projects

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  • Mathematical Modeling of Gas in Riser

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  • Automated risk evaluation to support decision making during drilling operations: Case study on an ERD well

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  • Automatic Performance Analysis and Estimation of Risk Level Embedded in Drilling Operation Plans

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  • Business Models and KPIs as Drivers for Drilling Automation

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  • Ensemble Based Optimization using Impor tance Sampling and Gaussian Mixture

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  • Review of two-phase flow models for control and estimation

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  • Technology roadmap for hard rock drilling

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  • P1.3 Drilling Process Optimization

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  • P1.3 Drilling Process Optimization - ConocoPhillips

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  • Virtual Arena for Teknologiløft II

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  • Virtual Arena - Drilling Operations. An infrastructure for education, research and innovation

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  • The DUNE-ALUGrid Module

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  • P1.3 Drilling Process Optimization - Statoil

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  • NorTex Data Science Cluster - Drilling and Well Technology: Goals

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  • Virtual Arena - Research Infrastructure: Drilling & Well Technology

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  • Goals for the NorTex data Science cluster - Drilling & Well Technology

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  • Automated Kick Control Procedure for an Influx in Managed Pressure Drilling Operations by Utilizing PWD

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  • Discussion on Potential Problems Due to Methane Invastion in OBM While Overbalanced

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  • Cuttings Transport Modeling - Part 1: Specification of Benchmark Parameters with a Norwegian Continental Shelf Perspective

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  • DrillBotics 2016

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  • Real-Time Estimation of Reservoir Influx Rate and Pore Pressure Using a Simplified Transient Two-Phase Flow Model

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  • A Simplified Two-Phase Flow Model Using a Quasi-Equilibrium Momentum Balance

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  • Automatic fluid measurement and efficiency benefits for drilling automat

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  • DrllWell P2: Geosteering for Improved Recovery. Report Phase 1 (2011-2015)

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  • SPE-178862-MS: Use of a Transient Cuttings Transport Model in the Planning, Monitoring and Post Analysis of Complex Drilling Operations in the North Sea

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  • Adaptive Predictive Control for Stabilizing Pressure in a Managed Pressure Drilling System under Time-delay

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  • A Study of Rig Heave Effects in Wisting Central II

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  • Solubility of CH4 in two Oil-Based Muds and its Effect on Density and Viscosity - Measurements of CH4-OBM interactions

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  • What is going on at IRIS offices in the 8th floor?

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  • IRIS Well Simualtor User Guide

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  • Guidelines and Concepts for CFD modelling

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  • Density prediction performance at HPHT conditions for selected base oils and oil-based drilling muds with cubic EOS

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  • Drilling fluid processing: preparation, maintenance and continuous conditioning

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  • Open Virtual Rig - Research and Education Collaboration between

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  • ENG59-NNL-Sensor development and calibration method for inline detection of viscosity and solids content of non-Newtonian fluids

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  • Operational Transient Cuttings Modelling

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  • An ensemble-based workflow for proactive geosteering

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  • Drilling Operation Planning Tool

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  • Sensor development and calibration method for inline detection of

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  • Modeling Meets Reality Benefits of Model based Simulating the Drilling Process in a Challenging Business Climate

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  • Open Drilling Simulator for research, education and development

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  • Kick detection: from sensors to solution and back to sensors

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  • An ensemble-based framework for proactive geosteering

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  • An ensemble-based framework for proactive geosteering

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  • Ensemble based framework for proactive g eosteering

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  • Drilling and Well Centre for Improved Recovery

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  • Transient cuttings transport

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  • Innovations for cost reductions

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  • P1.3 ROP Management and Improvement

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  • Possibilities, Limitations and Pitfalls in Using Real-Time Well Flow Models During Drilling Operations

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  • SPE-173853-MS: Laboratory Testing of Environmentally Friendly Chemicals for Water Management

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  • Towards Closing the Loop on Drilling Fluid Management Control

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  • Technology boost - Virtual Arena

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  • SPE/IADC-173035: Accuracy and Correction of Hook Load Measurements During Drilling Operations

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  • Accuracy and Correction of Hook Load Measurements During Drilling

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  • SPE/IADC 173035: Accuracy and Correction of Hook Load Measurements During Drilling

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  • Alt er ikke svart – lavere oljepris og omstilling gir også muligheter

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  • Drill-string Mechanics: Analysis of Basic Forces

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  • Drill-string Elasticity and Vibration

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  • Evaluation of Hook-load Measurements in Drilling Rig's Hoisting Systems - Part 1: Theory

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  • The stability of chalk during flooding of carbonated sea water at reservoir

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  • Drill-string Mechanics: Analysis of Drill-string Deformations

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  • Pre-study: Data series for development, testing and validation of new drilling software

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  • Mathematical Modeling of Drilling Operations by Use of Nitrogen-Enriched Mud: A Case Study by Use of a Recorded Drilling Data-Set

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  • Detecting Oscillation with Unfalsified Adaptive Control and Its Application in Managed Pressure Drilling for Oil

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  • Automated Hook Load Correction Phase I – Project proposal

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  • Automatic Well Control Procedure for Kick Handling in Managed Pressure Drilling

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  • AutoFIT pre-study report

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  • A probabilistic approach for pressure control evaluation in the well planning phase

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  • IRIS Drilling and Well Technology

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  • Getting it Right: Balancing Model Complexity, Margin and Risk with the Right Measurements

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  • P&A with tubing left in hole

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  • From Machine Control to Drilling Control

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  • SPE-170330: Principles and Sensitivity Analysis of Automatic Calibration of MPD Methods Based on Dual-Gradient Drilling Solutions

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  • Principles and Sensitivity Analysis of Automatic Calibration of MPD Methods Based on Dual-

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  • Automation of drilling fluids processing - brief technology status and requirements

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  • Toward Drilling Automation: On the Necessity of Using Sensors that Relate to Physical Models

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  • Improving the Transient Performance of Unfalsified Adaptive Control with Modified Hysteresis Algorithms

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  • Study on the Ability of Transporting Mini-Cores while Drilling Exploration Wells – Phase II

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  • Oljeforskning er et konkurransefortrinn

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  • Micro gas turbine configurations with carbon capture - Performance

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  • On an alternative implementation of the iterative ensemble smoother and its application to a reservoir facies estimation problem

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  • Estimation of Weight and Torque on Bit: Assessment of Uncertainties, Correction and Calibration Methods

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  • Real-Time Evaluation of Hole Cleaning Conditions Using a Transient Cuttings Transport Model

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  • Possibilities of Using Wired Drill Pipe Telemetry During Managed Pressure Drilling in Extended Reach Wells

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  • SPE-167884: Real-Time Modelling of Drilling Using Nitrogen Enriched Mud: A Case Study

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  • Possibilities of Using Wired Drill Pipe Telemetry During Managed Pressure Drilling in Extended Reach Wells

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  • Evaluation of Coordinated Control During Back- Pressure MPD Operations

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  • Back-Pressure MPD in Extended-Reach Wells - Limiting Factors for the Ability to Achieve Accurate Pressure Control

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  • Back-Pressure MPD in Extended-Reach Wells - Limiting Factors for the Ability to Achieve Accurate Pressure Control

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  • Evaluation of Coordinated Control During Back- Pressure MPD Operations

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  • Adaptive Backstepping Stabilization of Nonlinear Uncertain Systems with Quantized Input Signal

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  • Pressure Control in MPD: Benchmark Study and Analysis

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  • On the Use of Hydraulic Model as Feed-forward Combined with Feedback for Backpressure MPD

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  • Hard rock drilling: Issues and challenges

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  • Back Pressure MPD in ERD Wells - Limiting factors for the ability to achieve accurate pressure control

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  • Mechanical friction and rheology measurements

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  • Adaptive Backstepping Control of Uncertain Nonlinear Systems with

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  • Drilling Systems Automation: Current State, Initiatives and Potential Impact

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  • Mechanical friction measurements

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  • Measurement of flow and viscoelastic properties of some oil- and water-based drilling fluids

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  • Evaluation of various methods for estimating dynamical downhole pressure during drilling operation

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  • Factors Influencing the Estimation of Downhole Pressure far Away From Measurement Points During Drilling Operations

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  • Factors Influencing the Estimation of Downhole Pressure far Away From Measurement Points During Drilling Operations

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  • SPE 166801; Precise Gain and Loss Detection Using a Transient Hydraulic Model of the Return Flow to the Pit

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  • Precise Gain and Loss Detection Using a Transient Hydraulic Model of the Return Flow to the Pit

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  • A novel strategy for updating the fault network locally around the well while drilling

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  • SPE 166263: Drilling Systems Automation: Current State, Initiatives and Potential Impact

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  • Modeling and Controlling Downhole Pressure during Drilling

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  • Scheduling drilling processes with Petri nets

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  • DrillTronics Logic Control

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  • SPE-164916: Uncertainty based Approach for Predicting the Operating Window in UBO Well Design

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  • Developing Operational Procedures for Safe and Efficient Application of New Process Control Functionality on the Drilling Rig

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  • Evaluation of control methods for drilling operations with unexpected gas influx

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  • Drilling Automation: Potential for Human Error

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  • Simultaneous continous monitoring of the drilling fluid friction factor and density

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  • Real-Time Evaluation of Hole Cleaning Conditions Using a Transient Cuttings Transport Model

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  • A novel model-based scheme for kick and loss mitigation during drilling

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  • Evaluation of the Necessary Drilling Parameters to Transport Cuttings while Drilling an Extended Reach Well in the Gyda Field

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  • Transient Cuttings Transport Model

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  • ROP Management and Improvements - Study on the Ability of Transporting Mini-Cores while Drilling HP/HT Exploration Wells

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  • Early Symptom Detection Based on Real-Time Evaluation of Downhole Conditions: Principles and Results from several North Sea Drilling Operations

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  • Advanced Drilling Simulation Environment for Testing New Drilling Automation Technique

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International Research Institute of Stavanger
Mailing address:
Visiting address:
P.O. Box 8046, N-4068 Stavanger, Norway
Prof. Olav Hanssensvei 15, 4021 Stavanger


Phone:
Fax:

+47 51 87 50 00
+47 51 87 52 00

General email address: firmapost@iris.no
International Research Institute of Stavanger
Mailing address:
Visiting address:
P.O. Box 8046, N-4068 Stavanger, Norway
Prof. Olav Hanssensvei 15, 4021 Stavanger


Phone:
Fax:

+47 51 87 50 00
+47 51 87 52 00

General email address: firmapost@iris.no
International Research Institute of Stavanger
Mailing address:



Visiting address:
P.O. Box 8046
N-4068 Stavanger
Norway

Prof. Olav Hanssensvei 15 
4021 Stavanger

 
Phone:
Fax:
General email:
+47 51 87 50 00
+47 51 87 52 00
firmapost@iris.no