Exploration Must Meet Tough Value Criteria
The chief upstream strategist of IHS Markit said in a recent presentation that oil exploration must improve its ability to deliver value and better communicate that value to the financial community. New ways of thinking about exploration opportunities are needed.
‘Enormous’ Merge Play Resource Rivals Major World Gas Fields, Largest Discoveries
Producers in Oklahoma’s newly opened Merge play are sitting atop a resource that rivals some major world gas fields and discoveries, Citizen Energy’s Geology CEO Greg Augsburger told the SPE Gulf Coast Section Business Development Group recently.
Momentum Gathers for Austin Chalk Revival
The Austin Chalk play could go through a revival if the industry can view the formation through “a fresh set of eyes,” says EnerVest’s Tony Maranto.
A Field Trial in a Carbonate Reservoir Using a Solvent-Based Waterflood Process
Dimethyl-ether (DME) -enhanced waterflood (DEW) is a process in which DME is added to injection water and, upon injection, preferentially partitions into the remaining oil.
Beware of Bottlenecks
Oil companies that have slashed the break-even cost of producing oil from shale plays now must figure out how to hold on to those hard-won gains.
New Diagnostics Aid Completion Designs
A new diagnostic technology that exclusively uses surface pressure data to map hydraulic fracturing in unconventional reservoirs has helped an operator to improve well completion designs in its Oklahoma field activities.
Pores to Production: The Nanoscale Search for More Oil
The story of unconventional oil and gas technology development has been focused on fractures. The formula has been more stages, more sand, and more water, targeting the most productive spots.
Unconventional Risk and Uncertainty: What Does Success Look Like?
This paper presents approaches for proper risking of uncertain recoverable volumes for an unconventional resource, taking into account the chance of false positives from appraisal-well information.
Friction-Load Redistribution for Extended-Reach- and Horizontal-Well Completions
In horizontal and extended-reach wells in which long completions are run into highly deviated or lateral zones, large compression loads arise because of running friction.
Saudi Aramco Gearing Up Unconventional Drilling
Saudi Aramco has begun moving toward the production phase of its ambitious plan to develop its enormous hoard of unconventional gas resources.
Completion and Well-Spacing Optimization for Horizontal Wells in Pad Development
In organic shales, hydraulic fracturing is important for optimizing the production of horizontal wells. For a standalone lateral, the propped surface should be maximized to increase production. In the case of a pad, well spacing is an additional factor.
The Role of Induced Unpropped Fractures in Unconventional Oil and Gas Wells
On the basis of production data, diagnostic methods, and field observations, it is becoming increasingly clear that induced unpropped fractures created during the hydraulic-fracturing operation play a critical role in determining the success of fracture treatments.
Functional Approach to Data Mining, Forecasting, and Uncertainty Quantification
The difficulty in applying traditional reservoir-simulation and -modeling techniques for unconventional-reservoir forecasting is often related to the systematic time variations in production-decline rates. This paper proposes a nonparametric statistical approach to resolve this difficulty.
Abundant Supplies A Lingering Problem
Mass layoffs and rising bankruptcies haven't put an end to abundant supplies.
Four Answers to the Question: What Can I Learn From Analytics?
The use of intelligent software is on the rise in the industry and it is changing how engineers approach problems. A series of articles explores the potential benefits and limitations of this emerging area of data science.
Shift Toward Permian Drives Rising Rig Count
The US rig count has inched up recently, and the driver has been the old reliable of onshore oil production, the Permian Basin. With surging production, the Permian is the only major US oil shale play to grow since crude prices began to fall.
Boosting Shale Fracability With Positive Ions
A long-time energy industry executive and chemical engineer has built a new water treatment system that he says can increase recovery rates from shale wells without using chemicals and will recycle all the water used in the process.
Upon Further Consideration, US Gas Reserves Look Bigger
The list of the biggest gas plays in the US is being revised as the US Geological Survey creates new estimates based on additional drilling results and available rock samples. New at Number 2 is the Mancos Shale on the Western Slope of the Rockies with 66 Tcf in recoverable reserves.
Innovative Concepts in Wireline Continuous Coring
Wireline continuous coring (WCC) has been adapted from the mining industry for unconventional resources. This paper is aimed at identifying and addressing complications experienced in the use of WCC.
Shell Stays Committed to Shale Opportunities
Shell has reaffirmed its commitment to the shale business and views it as a growth opportunity moving into the 2020s
Saudi Aramco's Manifa field demonstrates that our industry can operate in harmony with the environment. Industry needs to minimize the impact of drilling and producing unconventional resources.
New-Frontier Reservoirs I
With the current changes in the industry, are we seeing the demise of unconventional developments? No, clearly not. The unconventional industry is adapting to deliver the energy demands of the future despite the low oil price.
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.
EOR-For-Shale Ideas to Boost Output Gain Traction
The low recovery rates observed in most shale reservoirs has prompted a number of research projects to develop new enhanced oil recovery methods.
Steerable-Drilling-Liner Technology in Unstable Shale
Challenging environments such as unstable clay formations represent high operational risk when running tubulars after drilling is completed.
Grinding Out Big Data From Tiny Samples
A company known for being a pioneer in methods built on imaging ultratight rock at the core level has built a business testing drilling cuttings to help identify productive, fracturable rock to help operators design better completions.
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.
Downturn Represents Stress Test for Unconventional Hydraulic Fracture Modeling
Developers of the latest generation of unconventional hydraulic fracturing models are hoping that current weak oil and gas prices will generate newfound interest in their software technology.
Saudi Aramco Moving Forward on Unconventionals
With the world’s fifth-largest estimated shale gas reserves, there is great potential for Saudi Arabia to replicate North America’s unconventional growth.
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05 September 2019
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