New Antifoam Additive Shows Superior Ability To Reduce Air Entrainment in Cement Slurry
Zonal isolation is a critical part of wellbore construction. To achieve zonal isolation, cement must be properly mixed before pumping downhole.
Field Development Projects
The industry is evolving to a more factual approach to profitability, with emphasis in modeling the long-term scenarios with detail. And this applies for developments in both mature and new fields.
Tool Enables Complete Cased-Hole Formation Evaluation, Reservoir Saturation Modeling
Schlumberger’s new multifunction spectroscopy system builds on previous innovations to offer the first complete cased-hole formation evaluation and reservoir saturation monitoring capability that provides openhole-equivalent logging measurements.
New SCADA Systems Help Operators Fulfill Potential of the Digital Oil Field
Supervisory control and data acquisition systems no longer simply monitor operations and produce large volumes of data in static displays, but now collect production data from all operation data sources and contextualize and present them to workers in real time as meaningful, actionable information.
Data Aggregation and Distribution With Human Factors Incorporated
Researchers have developed a drilling-data-aggregation and -distribution system that seamlessly integrates all forms of data, file types, and communication protocols and incorporates human-factors engineering in the design.
Bakken Case Study: Fracturing-Plug Drillout Performance With Task-Built PDC Bit Design
A new line of specialized polycrystalline-diamond-compact bits have been tested in a series of Bakken wells. The bits’ integrated design allowed significant increases in drilling rate and the number of plugs drilled.
Research Progresses on Improving Subsea Produced Water Measurement Sensors
Widening the use of subsea separation and produced-water reinjection or discharge systems to unlock oil resources depends on improving subsea water-quality measurement.
System Adds Reliability, Efficiency to Attaching Well Construction and Completion Tools
A new attachment system overcomes the limitations of traditional methods for securing tools and accessories to drilling and completion strings.
Real-Time, Single-Run CT System Provides Selective Perforating and Activation
A coiled-tubing selective perforating and activation system that transmits critical downhole data and measurements in real time is enabling well interventions that previously could not have been executed.
This year’s papers provide examples of efficiencies that have been brought about in coiled-tubing operations. The papers demonstrate how problem-solving techniques have been applied to improve such aspects as on-site processes, fit-for-purpose equipment, and more-effective treatment placement.
Conductor Anchor Node Optimizes Efficiency of Riserless Deepwater Exploration Drilling
The conductor anchor node (CAN) technology was introduced as part of the architecture for Centrica’s Ivory deepwater exploration well in the Norwegian Sea to optimize efficient operations for the well’s riserless section.
Integrated Software Tool Brings Speed, Reliability to Reservoir Modeling on Barents Sea Project
A fast, integrated reservoir modeling tool used by Eni at Norway’s Goliat field generated an ensemble of models that helped confirm the location of previously identified infill drilling targets and identify several new infill locations.
Adjustable, Supramolecular Viscosity Modifiers as Displacement Fluids in EOR
We report a novel type of viscosity modifier relying on the supramolecular assemblies that have pH-adjustable viscosities and robust tolerance against high temperatures and salinities, and are resistant to shear-induced degradation.
Dynamic-Positioning Software Allows Improved Maneuverability for Marine Vessels
As the number of tankers on the open sea remains high, a new motion-prediction software aims to increase vessel safety.
OTC 2017 Announces Spotlight On New Technology Award Recipients
Winners of the OTC 2017 Spotlight on New Technology Awards are announced. Winning technologies showcase the latest and most advanced hardware and software that are leading the industry into the future.
Electrokinetic Deposition of Asphaltenes Studied Under Dynamic Conditions
Asphaltenes represent the heaviest fraction of crude oil, which are known to precipitate when the crude is added to aliphatic solvents such as n-pentane or n-heptane and yet remain soluble in light aromatic solvents such as benzene or toluene.
Single-Trip Subsea BOP Test Tool Saves Big Money
A new tool enables variable bore rams and shear rams to be tested in one run, cutting rig time significantly.
Retrofitting MPD Systems to Deepwater Rigs Aids Drilling, Efficiency, and Process Safety
The unique properties of deepwater formations pose significant challenges to the capabilities of conventional drilling rigs. Using automated drilling equipment, including MPD, efficiency and cost savings can accompany safety.
Conductor Anchor Node Adds Stability, Cuts Tophole Costs in Subsea Wells
When the industry discusses subsea wells, the tophole construction gets scant attention. The Norwegian company NeoDrill believes it can create a more structurally stable foundation, greater efficiency, and reduced cost by using a conductor anchor node.
Preventing Emulsions by Mitigating Solids
Approaches to integrated investigative testing and root cause identification are discussed to prevent solid emulsions from stabilizing to impair flowlines and other field infrastructure.
New Method Adds Value to Wolfcamp Porosity, Organic-Matter Measurements
A new technique that analyzes scanning electron microscope (SEM) images of formation samples has been used to measure porosity and total organic carbon (TOC) in the Wolfcamp Shale of the Delaware Basin in west Texas.
Fit-For-Purpose Sand Screens Address Cost-Benefit Balance
Operators continue to look to prolific high-permeability, clastic reservoirs in basins around the world. The use of high-deviation and horizontal well trajectories in these fields improves productivity but increases the challenges of sand control.
A Holistic Approach To Controlling Torsional Dynamics in the Drillstring
Understanding drilling dynamics, the downhole shock and vibration that occur while drilling, is a crucial step to improving drilling efficiency and reducing nonproductive time (NPT).
New Intelligent Completion System Enables Compartment-Level Control in Multilateral Wells
Although early inflow control devices and intelligent completions (ICs) were introduced almost 20 years ago, completion technology has not kept pace with advancements in drilling technology.
Completion Methods Analyzed in Two US Unconventional Plays
Openhole multistage (OHMS) systems are more cost-effective than the cemented casing plug-and-perf (CCPP) techniques for increasing production and reducing development costs.
New Tool and Sealant Technology Expedites Annular Isolation Tasks
A new well intervention tool can solve annular isolation problems using a proprietary epoxy sealant placed at predefined locations, which can result in significant rig time savings. Field trial results are shared in this article.
Biocide Treatment Program Reduces Premature Coiled Tubing Failures
A study done to find the root cause of coiled tubing string failures in Montney indicated microbial-induced corrosion, leading the CT service provider to create a biocide treatment program.
Mature Flood Surveillance Using Streamlines
With the recent drop in oil prices, operators are shifting to optimization of existing assets with minimal costs. For mature floods (water, chemical, and CO2), one low-cost optimization strategy is the intelligent adjustment of well-rate targets.
New Perforating Gun System Increases Safety and Efficiency
Achieving greater efficiency in perforation systems can help lower operating costs, particularly when completing long horizontal wellbores in unconventional plays.
Encapsulated ESP Handles Multiphase Flows To Extend Run Life and Boost Oil Recovery
Electrical submersible pump (ESP) systems are critical to achieving the maximum production rates and reservoir pressure drawdown that improve ultimate recovery. But variable volumes of gas in unconventional wells can pose challenges for performance of the ESP.
Custom Biological Produced Water Treatment Yields Fast Oil Recovery Boost in Waterflood
This article describes how the use of a biological EOR technique that applied produced water for reservoir flooding in a mature field led to rapid and substantial increases in oil production.
Leveraging Subsurface Insight, Screening, and Diversion Technology in Refracturing
A challenging commodity price environment has forced operators to seek methods for sharply lowering recovery cost per barrel of oil equivalent (BOE) in unconventional plays.
Magnetic Resonance-While-Drilling System Improves Understanding of Complex Reservoirs
Reservoirs consisting of heterogeneous carbonates and shaly sands pose formation evaluation challenges for conventional logging-while-drilling (LWD) measurements. Magnetic resonance techniques hold promise for improving understanding of these reservoirs.
Flexible, Single-Skin Completion Concept Meets Well Integrity, Zonal Isolation Needs
As deeper and more complex well designs proliferate throughout oil and gas fields, well completion methods are challenged and new technologies are emerging to ensure safe, cost-efficient, and optimized completions.
Ambient Seismic Imaging Throughout the Unconventional Field’s Life Cycle
Newly developed ambient seismic imaging methods provide valuable information throughout the life cycle of an unconventional field.
Balancing Artificial Lift, Chemical Injection To Achieve Production Goals Over Life of Well
Production engineers are often asked to manage both the artificial lift (AL) system and the upstream chemical injection program for a project.