TOPICS OF INTEREST
New Treatments for Engineers With Data-Driven Anxiety
Making a living as a petroleum engineer requires understanding how to take advantage of data-driven analysis to solve problems and knowing when the answers it offers are wrong. So what exactly does an engineer need to know? Good question.
The Eagle Ford Still Looks Good to Operators
The Eagle Ford Shale has reclaimed its standing as one of the most attractive US onshore liquids basins, and for good reason. Does this mean more operators will seek to buy in to the play, and could further consolidation take hold following last year’s big deals?
To Solve Frac Hits, Unconventional Engineering Must Revolve Around Them
The struggle to overcome the challenge of frac hits has led to a critical dialogue about which pathway the shale sector should take. One idea is to simply put the problem at the center of every major decision.
UK Shale Flow Test Positive, But No Regulatory Relief in Sight
UK’s first horizontal shale well has yielded positive results after an initial flow test. But further testing—and fracturing of a second well—will have to come amid a continuation of UK’s stringent regulations on induced seismicity.
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.
What Happened to all the E&P Deal-Making?
One of last year’s big stories in the industry was consolidation among several of the larger upstream operators. But deal activity has fallen off in recent months. Will things remain this quiet during the somewhat uncertain year ahead?
Brazil’s Lula Field a Step Closer to Producing 1 Million B/D of Oil
Petrobras and Shell have brought online the Lula field’s seventh FPSO as the firms continue to ramp up production from the pre-salt Santos Basin.
US Shale To Drill And Complete 20,000 Wells This Year
A new report expects US producers to drill their highest number of wells since 2014, and that completion activity may exceed drilling for the first time since 2016.
After-Closure Analysis of DFITs Drives Design of Hydraulic-Fracturing Programs
This paper describes a diagnostic fracture injection test-analysis program and the suitability of the results from ACAs for use in hydraulic-fracture design.
Analysis Quality Determines Value of Diagnostic Fracture Injection Tests
Automated Operations and Wired Drillpipe Benefit Arctic Drilling
This paper presents a case history of drilling automation system pilot deployment, including the use of wired drillpipe, on an Arctic drilling operation.
Automated Real-Time Torque-and-Drag Analysis Improves Drilling Performance
In this paper, the application of a real-time T&D model is demonstrated. The process of T&D analysis was automated, and the time and cost required to run physical models offline was reduced or, in some cases, eliminated.
Automation-Adoption Approach Maps Human/System Interaction
This paper describes the progress of directional-drilling-automation systems along the cognitive functions and levels of automation as defined by the Levels of Automation Taxonomy (LOAT) hierarchy introduced by the Drilling Systems Automation Roadmap Industry Initiative.
Examples of evolution in well construction during the past several years include new horizontal-well applications, breakthroughs in bit and directional-drilling technology, synthetic fluids, fracture-stimulation advancements, managed-pressure drilling, and the digital revolution.
Flow-Simulation Model Improves Analysis of Perforated-Rock Cleanup and Productivity
Because of inherent complexities, understanding the characteristics of perforations in downhole environments is a significant challenge. Perforation-flow laboratories have been used to provide insight into cleanup and productivity mechanisms around perforation tunnels.
Formation damage: Do we always need to have a high focus on its prevention, or do occasions exist when it really does not matter?
The Oil and Gas Chat Bots Are Coming
The technology is being proven in millions of phones and homes across the world. Now, a small group of software startups wants to introduce chat bot technology to oil and gas professionals.
Revised Drilling Practices Lead to Lateral-Length Gains in Marcellus Shale
A drilling team has focused on increasing lateral lengths in the Marcellus Shale. The team determined which operational practices would need to be revised in order to drill and case laterals in excess of 18,000 ft.
Study of Carbonate Reservoirs Examines Fines Migration in CO2-Saturated-Brine Flow
A high-carbon-dioxide (CO2) carbonate gas field offshore Sarawak, Malaysia, is scheduled for development. Reservoirs in this region have an average clay content of 8%; more than 50% of this clay content is migratory illite, and 15% is migratory kaolinite.
Study Investigates Formation Damage Induced by Water Reinjection in Unconsolidated Sands
This paper describes a coreflooding program performed with sandpacks at different permeabilities, water qualities, and injection conditions.
Thailand Joint-Development Project Delivers MWD/LWD Benefits
A joint-development project has delivered a high-temperature measurement-while-drilling/logging-while-drilling (MWD/LWD) suite rated for 200°C. Results to date are compared with previous performance in the Gulf of Thailand (GoT).
The papers selected for this issue focus on key factors in achieving a successful well test. They also apply reservoir fundamentals as well as sound engineering judgment, with examples from conventional and unconventional assets.
Wireless Downhole Gauges Help Maximize Value of Appraisal Test in Abandoned Well
This paper describes the acquisition and interpretation of long-term pressure-buildup data in a plugged and abandoned deepwater appraisal well.
ExxonMobil Streamlines Upstream Organization to Support Growth Plans
Exxon Mobil is reorganizing and creating three new upstream companies and a global projects company.
CNOOC’s “Major Find” In North Sea Is Biggest In 11 Years
The state-run offshore company has found a gas and condensate field that holds an estimated 250 million BOE.
CNOOC’s Strategic Plan Sets “Bullish Tone” for Chinese NOCs
The national oil company’s aim to lift oil and gas production and reserves over the next few years will rely on growth from big international projects, including those in Nigeria, Guyana, and the US.
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.
SPE Forum Spotlights the Women in Energy
A host of women and men gathered at the inaugural SPE-GCS Women in Energy Congress to discuss the gender-gap challenges facing oil and gas today. How does greater diversity and inclusion help the industry progress, and what can companies do to encourage more diverse and inclusive environments?
Survey Points to Bullish Outlook for 2019, With Some Caveats
Industry confidence is on the rise, and so is capital spending, according to DNV’s 2019 annual outlook.
Sustainability Means Survivability for the Oil and Gas Industry, World Abroad
Sami Alnuaim, 2019 SPE president, welcomed the addition of two new oil and gas sustainability initiatives at the University of Houston and highlighted a number of ways the industry is already acting as a good global steward.
So Many PE Schools, So Many Strangers
Many leaders of petroleum engineering schools from around the world have never met but SPE’s technical director for academia would like to change that.
An Eye on the Prize: Shell Invests in Computer Vision Developer
The backing of one of the world’s largest oil and gas companies aims to put this emerging digital technology on the path to widespread adoption.
Reservoir: Assume Nothing is Totally Conventional
Unconventional development has made it clear to Erdal Ozkan that conventional theory overlooks a lot of potentially productive rock. He talks about looking for ways to do better as part of JPT’s tech director report.
US On Track To Be Net-Exporter Of Crude and Petroleum Products
A new report predicts that US output will rise to a new record high of 12.1 million B/D in 2020.
Norway Awards Most Licenses Ever in New Round
In need of an exploration boost, Norway doled out a record 83 production licenses in mature areas of the Norwegian Continental Shelf to 33 firms.
Eni To Team With BP, Others in Growing Middle East Exploration Campaign
By racking up exploration agreements in the United Arab Emirates, Oman, and Bahrain, Eni took a big step forward in its pledge to tap into the Middle East’s vast swaths of highly prospective oil and gas acreage.
Completions: Squeezing Out More Recovery
Completion engineers feel pressure to maximize production per acre and minimize the downsides of fracturing in tight spaces. Terry Palisch, talks about promoting knowledge sharing as part of JPT’s tech director report.
China Flexes Shale Muscles as CNPC Ups Gas Output 40%
The country continues to step up its delivery of shale gas, but has a long ways to go to meet the government's target.
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.
Drilling: What Can We Do To Thrive?
Falling oil prices are the acid test of drilling efficiency. SPE Technical Director Jeff Moss of ExxonMobil talks about ways to build in lasting savings as part of this special report.
Equinor Opens Digital Support Centers in Bid to Create $2 Billion in Value
Two new centers in Bergen, Norway will lean on emerging digital technology to oversee much of the Norwegian operator’s offshore operations.
Wintershall, Seadrill To Use Automated Drilling on Newest Rig
The latest example of the offshore sector's march toward automated wellbore construction will take shape later this year in the North Sea.
Phased Pilot Approach Reduces Uncertainty in Carbonate Steamflood Development
The First Eocene is a multibillion-barrel heavy-oil carbonate reservoir in the Wafra field, located in the Partitioned Zone between Saudi Arabia and Kuwait. After more than 60 years of primary production, expected recovery is low and provides a good target for enhanced-oil-recovery processes.
ProPetro Completes Acquisition of Pioneer’s Pressure Pumping Assets
ProPetro closed its deal to purchase Pioneer’s pressure pumping fleet, boosting its services in the Permian Basin.
Viability of Gas-Injection EOR in Eagle Ford Shale Reservoirs
This paper studies the technical and economic viability of this EOR technique in Eagle Ford shale reservoirs using natural gas injection, generally after some period of primary depletion, typically through long, hydraulically fractured horizontal-reach wells.
Total Begins Production From Nigeria’s Giant Egina Field
The French major is racking up barrels of deepwater production as part of its large-scale West African push.
Best Practices for Waterflooding Optimization Improve Oil Recovery in Mature Fields
This paper presents technologies and best practices to improve oil recovery in mature fields through waterflooding optimization. These technologies have proved practical and cost-effective.
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.
As operators and asset owners worked continually to increase efficiency in oil production, they all realized that part of efficiency improvement is increasing recovery factors. Everybody now is extremely focused on recovering more from the reservoirs they have.
Experimental Program Investigates Miscible CO2 WAG Injection in Carbonate Reservoirs
This paper provides a robust methodology for miscible CO2 WAG experimental-data acquisition and history matching.
Managed-Pressure-Drilling Equipment Augments Deepwater Well Control
This paper describes how a technique known as applied-surface-backpressure managed-pressure drilling (ASBP-MPD) can alleviate the limitations of conventional deepwater well control.
Mature Fields and Well Revitalization
Mature brownfields contribute significantly to global oil production. A study of the papers presented during the past year at various SPE conferences reveals continuation of the trend to put in massive effort to minimize decline from mature brownfields.
Mechanistic Model Describes Wettability Change in Sandstones and Carbonates
To the best of the authors’ knowledge, this is the first surface-complexation-based model that describes fully ionic compositional dependence observed in ionically treated waterfloods in both sandstones and carbonates.
Method Integration Improves Reservoir-Property Prediction in East Siberia
This paper describes a case study of the Chonskaya group of fields to demonstrate an approach to the integration of time-domain-electromagnetic (TDEM) electrical and seismic data when building a geological model for improving reservoir-property and -saturation prediction.
Microchannel Remediation of a Cement Packer Unlocks Mature-Field Potential
Well RXY is located in Cairn’s Ravva offshore field in the Krishna-Godavari Basin in India. One goal for the field was significant crude production by means of a secondary reservoir section.
Model Simulates Gas Kicks in Nonaqueous Drilling Fluids
Nonaqueous drilling fluids, such as synthetic-based and oil-based mud (SBM and OBM, respectively), are used frequently to drill one or more sections of a well to reduce drilling problems such as shale sloughing, wellbore stability, and stuck pipe.
Reservoir-on-a-Chip Technology Opens a New Window Into Oilfield Chemistry
An oil and gas startup has attracted the business with a major operator thanks to its ability to forecast whether production-enhancing chemicals will work as advertised.
UAE Case Study Highlights Challenges of a Mature Gas-Condensate Field
Three onshore fields in the Emirate of Sharjah, United Arab Emirates, have more than 30 years of production history from more than 50 gas-condensate wells.
What’s Different About These Drill Bits? How a Little Change Can Be Made to Matter
A contest where teams of college students design and build an automated drilling rig able to deal with hazardous obstacles in a test block, showed how a small change can be engineered to matter.
Eliminate Lithium and Improve Performance With High-Temperature Ultracapacitors
New extreme environment ultracapacitor technology will allow directional drillers to eliminate lithium from their entire supply chain. These advanced ultracapacitors can be coupled with downhole turbine generators to provide reliable downhole power without the need for lithium.
Oil Prices Take a 2014-Size Hit
Oil prices have fallen since early October in lockstep with the plunge in 2014. But this time oil companies appear better able to deal with a tough situation.
Shale’s Big Sand Switch Is Delivering Dollars, but Not Eroding All Concerns
Producers in Texas have claimed an economic victory with their transition to local sands that they once avoided using in horizontal wells due to their low-quality.
CNOOC, Several International Firms Sign Agreements for Areas Offshore China
Chevron, ConocoPhillips, Equinor, Shell, and Total are among nine firms looking to explore the Pearl River Mouth Basin.
How Does Vaca Muerta Stack Up vs. US Shale? Data Tell the Tale
Vaca Muerta production is on the upswing. Will increasing activity propel the Argentine play to the ranks of US shale? Data suggest it is both already there and has a ways to go.
Big Year for Shale M&A May End with Shell and Endeavor
2018 has seen a wave of shale deals that are consolidating the landscape. While this one could be among the biggest, it is not yet final.
Since the 1980s, many technical works have focused on improving the ability to detect hydrocarbons inside the riser and safely remove them from the system. This trend gained extra momentum with the advent of systems such as riser-gas handlers and managed-pressure drilling.
Global Oil and Gas Exploration, Project Sanctions Expected to Rise in 2019
Financially healthier than in years past, operators are prepared to stave off the negative impacts of volatile oil markets in 2019 and advance their exploration and development programs.
Straight Out of OPEC, Qatar Flexes Global Ambitions
The small Gulf-nation is expanding its upstream portfolio to include some of the hottest exploration areas.
Led by Frac, The Oilfield Services Space Could Get Interesting in 2019
Slumping oil prices may throw a wrench into a positive outlook for the global oilfield services and equipment industry. Even if prices rebound, complications in the US fracturing market—and elsewhere—are expected to persist.
USGS’s Largest-Ever Assessment of Continuous Oil Potential: Permian’s Wolfcamp-Bone Spring
Production and proved reserves in the Permian Basin’s Wolfcamp Shale and Bone Spring Formation are reaching new heights, and a new assessment from the US Geological Survey indicates the industry is just scratching the subsurface when it comes to what may be technically recoverable.
Natural Gas is Up, Except Where It’s Down
Natural gas prices have risen in the US but not in west Texas. The contrast is a sign of the growing pains that come with explosive growth changing this increasingly competitive market.
Mexico’s Giant Zama Discovery Gets New Interest Owner
DEA Deutsche Erdoel is buying Sierra Oil & Gas, giving the German operator stakes in six new blocks off Mexico—including the Zama discovery, where appraisal drilling is now under way.
ExxonMobil Makes 10th Discovery Off Guyana, Lifts Resource Estimate by Another Billion Barrels
The Pluma-1 discovery could turn the southeast portion of Stabroek Block off Guyana "into a major new development area," the company says.
Advanced Electrochemical System Desalts Produced Water, Saves Polymer
This paper presents pilot-testing results and economics from a novel electrochemical desalination technology for enhanced oil recovery (EOR) produced water.
Bit Technology and Bottomhole Assemblies
Recent research shows that, in addition to hardness, other rock properties, such as lithology types, heterogeneity, and abrasiveness, have equal importance in bit evaluations. Consequently, the discussion must move from rock-strength analysis to rock-drillability analysis.
Clustered-Development Approach Leads to Better Evaluation of Multiprospect Plays
In the clustered-development approach, the geologic dependence between prospects is combined with the aggregation of prospects to determine the economic viability of a grassroots development offshore.
Debottlenecking Through Produced-Water Partial Processing Unlocks Production
Fighting Water With Water: How Engineers Are Turning the Tides on Frac Hits
If the shale sector’s most complex problem can be solved, it will require companies to use their wells as a team. Newly detailed field work shows that a good defense is the key to success.
Improved Methods Aid Understanding and Mitigation of Stick/Slip Torsional Vibrations
This paper will show how stick/slip vibration distributions can be used to guide drillstring and parameter redesign to mitigate stick/slip in the next well.
Inverted-ESP Completion Boosts Oil Rate While Disposing of Produced Water
This paper aims to provide an introduction to the early management of downhole produced water in strong waterdrive reservoirs using inverted electrical-submersible-pump (ESP) technology.
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