TOPICS OF INTEREST
Is the Cloud Mature Enough for High-Performance Computing?
Data volumes are growing at an exponential rate. How can high-performance computing solutions help operators manage these volumes? Will faster, stronger processors and cloud computing solutions be the answer?
4D Seismic Pilot Successfully Interprets Carbonate Reservoir
This paper describes interpretation results of a 4D seismic-monitoring program in a challenging Middle East carbonate reservoir.
Machine-Learning Approach Identifies Wolfcamp Reservoirs
This paper discusses a project with the objective of leveraging prestack and poststack seismic data in order to reconstruct 3D images of thin, discontinuous, oil-filled packstone pay facies of the Upper and Lower Wolfcamp formation.
Imaging Shows What is at Fault in Fracturing Job
Electromagnetic images can show where water flows during a hydraulic fracture. A test in the Anadarko Basin showed a fault there was a bigger hazard than expected.
C&J Energy, Seismos Combine Technologies To Evaluate Fractures As They Are Made
Using drilling data and a downhole acoustic signal, developers aim to assess unconventional fracture networks in real time and give engineers ability to customize each stage.
BP’s Seismic Innovations Used To Find Cheap Barrels Offshore
BP announced four discoveries in the Gulf of Mexico near existing platforms. It use advanced seismic imaging to identify resources in deepwater locations that can be developed cost effectively using platforms nearby.
Combined Approach Improves Fault Description for Horizontal-Well Geosteering
This paper presents an interdisciplinary approach to the description of tectonic dislocations made on the basis of interpretation of seismic data, petrophysical analysis of well-logging data in horizontal wells, and inversion of a multifrequency propagation tool.
Frac Hits To Take Center Stage at SPE Hydraulic Fracturing Conference
The upcoming event will provide the shale sector with a venue to share new learnings and approaches meant to overcome one of its greatest subsurface challenges.
Extreme Limited-Entry Perforating Enhances Bakken Completions
This paper presents the evolution of a Bakken advanced completion design with the added enhancement of extreme limited entry (XLE) perforating. With this strategy, an operator has consistently stimulated more than 11 perforation clusters per stage.
Knudsen-Like Scaling May Be Inappropriate for Gas Shales
The author writes that the generally accepted Knudsen diffusion in shales is based on a mistranslation of the flow physics and may give theoretically unsound predictions of the increased permeability of shales to gas flow.
Correlation Approach Predicts Viscosity of Crude-Oil Systems Offshore Norway
This paper aims to develop new and improved empirical viscosity correlations through available field measurements on the Norwegian Continental Shelf (NCS).
Successful Recovery and Stimulation in a Long HP/HT Horizontal Well in One Intervention
The case history presented in the complete paper describes the performance of an acid-fracturing intervention in an HP/HT well in which this intervention was the last procedure considered to evaluate the productivity of a Marrat Formation well.
Ensemble-Based Assisted History Matching With 4D-Seismic Fluid-Front Parameterization
An ensemble-based 4D-seismic history-matching case is presented in the complete paper. Seismic data are reparameterized as distance to a 4D anomaly front and assimilated with production data.
Acquisition With Autonomous Marine Vehicles: Field Test
The feasibility test conducted offshore Abu Dhabi demonstrated the successful and safe deployment, seismic-data acquisition, and retrieval capabilities of the AMV and 3D sensor array.
Advances in 4D Seismic and Geophysical Monitoring of Deepwater Fields
Integrated surveillance is critical for understanding reservoir dynamics and improving field management. A key component of the surveillance is areal monitoring of subsurface changes by use of time-lapse geophysical surveys such as 4D seismic.
Three-Phase Flow in Fractured Porous Media: Investigation of Matrix/Fracture Interactions
The authors present the results of a detailed experimental study in which underlying pore-level-displacement physics of two- and three-phase flow in a fractured rock sample is investigated with high-resolution X-ray microtomography techniques.
Seeking Ways To Produce More Oil by Doing Better Fluid Imaging
Electromagnetic (EM) reservoir imaging is likely to get more attention from operators thanks to a collaboration between Halliburton and a leader in this emerging technology, GroundMetrics.
Need a Faster Measure of Relative Permeability? Take a CT Scan and Follow With Digital Rock Analysis
Faster, lower-cost measures of multiphase permeability of conventional reservoirs are promised by a digital rock analysis method developed by BP and Exa, which is marketing software to measure relative permeability.
Digital Image Correlation: A New Way To Look at Hydraulic Fracturing
Technology that allows researchers to see stress forming inside rock samples may help unravel some of the mysteries associated with fracture behavior.
3D Close-the-Loop Method Based on Probabilistic Seismic Inversion
The paper discusses an approach for predicting the lateral variation of net to gross (NTG) by use of 3D probabilistic seismic inversion.
Fracture Modeling Using a Constructed Discrete Fracture Network From Seismic Data
The objective of this study is to validate the concept of using a seismically derived discrete fracture network (DFN) calibrated with borehole measurements, for complex-hydraulic-fracture modeling.
High-Resolution Seismic Stochastic Inversion as a Direct Input for Reservoir Modeling
Three-dimensional reservoir models are best created with a combination of well logs and 3D-seismic data. However, the effective integration of these results is not easy because of limited seismic resolution.
An Unconventional Approach to Oilfield Acquisitions
Figuring out the right price for an active oil and gas field is tricky business in the shale sector but one producer explains how it uses data analytics to get a clearer picture.
Independent Shale Producer is Driving Permian Well Improvements with Clean Sweeps
Permian Basin producer Callon Petroleum is attributing its data-driven approach to a routine completions practice to improved proppant placement and higher oil production.
Getting a Better Look at Propped Fractures
Carbo Ceramics is making big strides in the use of ceramic proppant.
Research Aims To Cut Time and Cost of Characterizing Tight Gas Sandstone Reservoirs
A recently launched joint industry project (JIP) is working to improve petrophysical analysis methods to reduce the time and expense of characterizing tight sandstone gas reservoirs for exploration, appraisal, and production.
Oklahoma Official: Progress Being Made, but Induced Seismicity Will Not Stop Anytime Soon
One of Oklahoma’s top government officials announced recently that it could be many more months before the full scope of the state’s regulatory response plan for induced seismicity is proven effective.
UPDATE - Oklahoma Earthquake: 5.0-M Quake Damages Buildings in Oil Hub of Cushing
Earthquake in Cushing, OK -- home to the largest oil storage facility in the world -- leads to further regulatory action on disposal wells in the area.
Adding Digital Brainpower To Evaluate Tight Gas Reservoirs
Understanding petrophysical properties well enough to make drilling decisions, particularly for tight gas can be a challenge. A new computer system aims to help analyze the extensive data involved.
3D Printing Reservoir Rocks May Drive New Insights
Researchers at Heriot-Watt University in Edinburgh, Scotland, are building replica core samples using 3D printers and installing sensors inside them as they go. Their goal is to directly monitor pore-scale flow behavior from the inside of these so-called “smart rocks.”
Better, Less Tedious, Fault Interpretation
The tedium of identifying small faults in often murky seismic images pushed Dustin Dewett, an associate geophysicist for BHP Billiton, to develop a better way to use the tools at hand.
New Multilayer Boundary-Detection Service in Bohai Bay, Northern China
A new multilayer boundary‑detection service has been introduced to resolve the geological uncertainty associated with horizontal wells in Bohai Bay. Geosteering and real time reservoir characterization were used to reduce the uncertainty.
Ohio Study Tries To Pin a Number to Earthquake Risk
Research and development firm Battelle is working on a new induced-seismicity study that aims to help wastewater disposal well operators in Ohio stay on the good side of state regulators.
A More-Rigorous Development Framework for Unconventional Reservoirs
This paper describes how seismic reservoir integration, advanced production analysis, and accurate nanoscale and 3D full-field simulations may address profitability issues and help oil companies to be more efficient in developing unconventional portfolios.
Production Performance in the In-Fill Development of Unconventional Resources
This paper presents results from the analysis of the effect of in-fill drilling on parent-well performance, and describes a simplistic approach to understanding the effect of the quest for operational efficiencies and economic cycles on development strategies.
CO2-Based Enhanced Oil Recovery From Unconventional Reservoirs
In this study, detailed petrophysical and geological field models focusing on the middle and lower members of the Bakken Formation were developed.
Online Digital Rock Portal Launches
In an effort to foster collaboration in an area where there is currently very little, researchers at the University of Texas at Austin (UT) created a new web-based application for storing and sharing CT images of rocks.
Seismic Shifts in Oklahoma Lead to Stricter Regulations
Industry regulators in Oklahoma have rolled out broad new restrictions on more than 600 disposal wells as part of the largest action of its kind taken in response to earthquakes.
DNA Sequencing: A New Diagnostic Tool for Shale Wells
For the past 2 decades, the use of DNA sequencing technology has largely been relegated to the domains of criminal forensics and the healthcare industry. One company is betting that the shale industry soon will join that list.
Unconventional Measures For Shale Reservoirs
One of the biggest ways to lower the cost of production from shale would be to identify zones that are productive, or not, before fracturing them.
Electromagnetic Imaging Offers First Look at the Propped Rock
Understanding how much rock is being stimulated and propped is critical for unconventional producers. New imaging methods using electromagnetic energy or acoustic microemitters could represent a milestone in understanding what is left behind after fracturing.
Near-Surface Velocity Model To Enhance PSDM Seismic Imaging of Dukhan Field
Integration of microgravity, resistivity, and seismic data improves the fidelity of seismic images and the depth match.
The world’s first reflection seismic field tests were conducted near Oklahoma City in 1921, and, ever since then, the industry has endeavored to improve that seismic imaging process.
Broadband Seismic Acquisition: Implications for Interpretation and Reservoir Models
Acquiring new 3D broadband seismic data of a gas field containing legacy 3D conventional towed-streamer seismic data.
High-Fidelity Microseismic-Data Acquisition in the Midland Basin Wolfcamp Shale Play
The integration of microseismic data with 3D seismic attributes, and well log and completions data is used to understand geomechanical rock properties.
Offshore Seismic Feeling Pressures to Change
Seismic innovators are working on new sound sources designed to produce better subsurface images while addressing concerns raised by scientists and regulators about the environmental impact of the related noise on sea life.
Competing Companies Building Robots to Place Receivers
Autonomous Robotics’ first offering is built around a rounded yellow device that looks like a little flying saucer.
Air Gun Inventor Creates A Lower Pressure Option
More than 50 years after inventing the air gun, Stephen Chelminski is working on a new version of the industry standard designed to be more in tune with the current needs of the industry and its regulators.
Statistics Point to Water Injection as Cause of Earthquakes, But Understanding Why Remains a Geological Puzzle
A surge in earthquakes tightly clustered in southern Kansas that followed the large increase in produced water injections prompted the state to cut the daily limits on disposal wells in that area to see if that will help solve the problem.
Seismic Data: Looking for Oil From More Angles
New seismic data gathering techniques promise better images for less by gathering more data quicker, seeing past obstructions, and seeking out scarce frequencies.
Seismic Data: The Hunger for the Lowest Frequencies Takes Data Gathering in New Directions
The word “broadband” is used to sell a lot of what is new in offshore seismic. It can mean different things depending on who is speaking.
Seismic Data: Intractable Problem and Big Payoff Sell a Seismic Acquisition Innovation
Developing the Mad Dog discovery appeared to be high-risk because of the difficulty in mapping the subsurface because of the thick layer of salt underlying the region.
Seismic Data: Faster, Better Seismic Surveys by Making Many Sounds at Once
Companies are using an increasing number of sound shots to gather more data in a shorter time frame.
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.
Search for Elusive Sweet Spots Is Changing Reservoir Evaluation
The pursuit of sweet spots in unconventional oil and gas plays is driving the creation of an emerging set of data-driven systems to measure, map, and predict how wells will perform in unconventional reservoirs.
Fracture Optimization in the Valdemar Field Offshore Denmark
This paper focuses on the aspects of proppant selection and adequate fracture-conductivity placement, with the goal of improving well productivity and cumulative recovery.
What Do Fractures Look Like? A Picture Says A Lot, Even When It is Wrong
When it comes to fracturing, experts argue about many things, but they agree that fractures do not look like lightning bolts, tree roots, or shattered glass.
Steel Pipe May Offer A Window Into Reservoirs
Add a new possible use for downhole casing: It can serve as broadcast antennae.
Combined Geostatistics and Bayesian Updating Optimize Drilling in Shale-Gas Plays
The development of an economically efficient drilling program in shale-gas plays is a challenging task, requiring a large number of wells; even with many wells, the average well production and the variation of well performance (economics) remain highly uncertain.
Inducing an Earthquake by Injecting Water in a Gas Field
A study was required to determine the origin of the tremor, evaluate if it could be followed by other tremors in the future, and estimate its magnitude.
The Search for Rock Testing Tools That Are Better Than a Drill Bit
A US oil company is using its in-house laboratory's digital imaging devices to analyze reservoir rocks in new plays to answer questions raised by complex tight oil formations that cannot be answered using routine core testing methods.
In Search of Better Reservoir Imaging Using Fiber Optic Receivers Downhole
For decades, the industry has worked to realize the potential of gathering seismic data in wells. But it is a hostile environment for standard equipment. An inventor has developed a fiber optic system that can handle the heat, but he needs backers to see if it can deliver in the ground.
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10 April 2019
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17 April 2019