Enhanced Gas Recovery: Benefits Seen in Downhole vs. Wellhead Gas Compression
Extensive analysis has led to the conclusion that downhole gas compression provides a greater increase in gas production than wellhead gas compression because of the additional drawdown created.
Big Data for Advanced Well Engineering Holds Strong Potential To Optimize Drilling Costs
Considering the significant weight of drilling costs in upstream ventures, saving even a few hours of drilling could lead to substantial cost savings on the overall capital expenditures (Capex). Thanks to the big data revolution, cost optimization still has strong potential in drilling operations.
Joint Industry Project To Develop Downhole X-Ray Technology
ConocoPhillips and Statoil Petroleum have signed a joint-sponsorship-development agreement with Visuray Technology to fund development of a downhole cement-integrity-evaluation technology that will have the capability of evaluating cement integrity even behind multiple casing strings.
Multiphase Compressor Eliminates Need for Wellsite Separation of Gas, Liquids
A newly developed compressor undergoing field trials could significantly change, and bring substantial cost savings to, the way wellsites are designed.
Cybersecurity for Upstream Operations
Optimizing the design, function, and benefits of the logical cyber-representation of physical asset environments is an evolving trend for the oil and gas industry to gain operational efficiency.
System Cuts P&A Cost by Creating Rock-to-Rock Barrier in One Trip
Archer’s Stronghold Barricade well decommissioning system leaves the casing in place, while perforating, washing, and cementing the annulus to create a cement barrier in a single trip.
Ultra-Low-Invasion Fluid Technology Enables Enhanced Drilling, Reduced Formation Damage
A fluid technology has been developed to deposit a thin, impermeable barrier over the pores and microfractures of weak, underpressured, and otherwise troublesome formations to maintain wellbore stability and reduce formation damage.
Lowering Adoption Barriers to MPD—Land and Sea
In the past, most wells have been drilled using conventional methods, but the landscape is changing as economic pressures have forced the drilling industry to refocus.
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.
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.
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.
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.
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.
Sequenced Refracturing Technology Improves Economics in Unconventional Plays
Under current market constraints, many operators and service companies are trying to determine how to efficiently and cost-effectively refracture declining and/or underperforming shale wells.
Using Schematics for Managing Well Barriers
Well integrity and well barriers have been part of the exploitation for oil and gas for nearly a century, with the introduction of the blowout preventer (BOP) in the 1920s.
Drilling Data Provide Solution to Horizontal Well Log Costs
This is the teaser.
Acoustic Wireless Telemetry Reduces Uncertainty in Deepwater Drillstem Tests
The drillstem test (DST) is one of the oldest methods used to test a formation’s capability to produce hydrocarbons.
Riser Life Cycle Monitoring System Undergoes Initial Research Phase
The National Energy Technology Laboratory (NETL) of the US Department of Energy (DOE) supports a wide range of research and development (R&D) projects to develop technology for enhancing deepwater capabilities and improving safety and protection of the environment.
Remediating Platforms by Raising Topsides
The design of fixed offshore platforms requires a minimum clearance from the mean water level to the topsides structure. This clearance is generally referred to as an air gap.
Maximize Recovery by Minimizing Production Delays and Shut-ins
The greatest challenge facing the oil and gas industry, particularly in this low-price environment, is to increase recovery rates.
Dissolvable Plug and Perf System Eliminates Mill-Outs in Multistage Stimulations
Of all the technologies that have propelled the unconventional boom in the United States over the past 15 years, plug and perf (P&P) remains the No. 1 method for stimulating multistage wells
Digital Reamer Enhances Drilling Efficiency, Economics, and Safety
Expandable reamers were developed to improve efficiencies and reduce risk while drilling through problematic formations in deep water and other offshore wells, where wellbore stability is a major challenge.
X-ray Imaging Method Improves Well Intervention Diagnostics
Poor well performance and downhole failures have a significant effect on operator profitability. To combat this, operators spent nearly USD 10 billion in 2013 on time-consuming and costly well interventions to retrieve and repair completions hardware.
Dual-Drillpipe Method Shows Success in PMCD Wells With Cuttings Return
The Reelwell Drilling Method (RDM) is a new technology developed to solve certain drilling problems and improve the operation margin for various applications.
High-Definition Logging-While-Drilling Microimages Provided in Real Time
The development of conventional reservoirs has typically involved minimal logging-while-drilling (LWD) technology, usually consisting of survey, gamma ray, and possibly resistivity tools.
New Microbial Method Shows Promise in EOR
Tertiary oil recovery technologies can extend the economic life of maturing waterflooded reservoirs. This article describes the results from a biologically based EOR technology that has improved waterflood efficiency by increasing oil production and decreasing the decline rates.
Rethinking Gas Lift Intervention
Gas lift is an artificial lift technique used in wells in which the natural reservoir pressure is insufficient to deliver fluids to the surface in the initial production stage or has depleted to the point of being incapable of bringing fluids to the surface.
MPD Widens Offshore Drilling Capabilities
Approximately one-half of all offshore conventional oil and gas resources are known or thought to be undrillable with conventional, open-to-atmosphere circulating fluids systems for safety, economic, and/or technical reasons.
Directional Hybrid Drill Bit Pushes Performance Standards
It is inspiring to look back to 1909 when Howard Hughes Sr. and Walter Sharp introduced the roller-cone bit.
Managed-Pressure-Drilling Advances Expand Options of Onshore Drillers
This is an update on several managed-pressure drilling (MPD) technologies and downhole drilling performance-enhancing tools in use onshore and is the first of a two-part series. The second article on offshore MPD technologies will appear in the February issue of JPT.
Distributed Fiber-Optic Technologies Drive New Intervention Applications
Downhole data acquisition by fiber-optic technology, particularly distributed fiber-optic (DFO) sensing, has gained rapid acceptance. Compared with conventional data acquisition, DFO provides a much better understanding of well and reservoir behavior.
Nanochemistry Drives New Method for Removal and Control of Wax
Paraffin wax precipitation and deposition is one of the pervasive nuisances in oil industry operations worldwide, with wax deposits creating problems from the wellhead to the refinery.
New 3D Ultrasonic System Tests Pipeline Integrity
As the technologies adopted by the industry to optimize drilling campaigns have evolved, the equipment used in the pipeline testing process has improved as well.