Analytical Study Examines Production of Multistage Horizontal Wells in the Bakken
Multistage horizontal well designs were first implemented in the Bakken in 2007. Since then, more than 12,000 wells have been completed in either the Middle Bakken or Three Forks zones.
ConocoPhillips Leaning on Conventionals Near-Term, Unconventionals Long-Term
Most of ConocoPhillips’ oil and gas production by the end of the next decade will come from its unconventional operations. But, for the near-term, the Houston independent will rely on conventional assets as it seeks to keep spending in check, decline rates low, and cash flow on the rise.
Industry Struggles With Enhanced Recovery for Unconventional Reservoirs
This paper reviews the IOR/EOR technologies currently being applied to unconventional oil reservoirs.
Testing a System Where Machines Decide How Much to Pay a Trucker, and Send a Check
Ten big names in the oil and gas business created a group to try out ways to use blockchain in the oil business, and test if the record keeping and automatic data collection software can track water shipments more efficiently.
Study of DUCs Concludes Better Later than Never
Average production from Bakken wells completed more than 3 years after they were drilled was approximately equal to wells drilled a year before they were put into service, according to a study by the US Energy Information Administration.
Whiting Petroleum Slashes Workforce By a Third
The Bakken and Niobrara operator will eliminate 254 jobs in an effort “to better align [its] business with the current operating environment.”
Oilfield Flares Provide a Glaring Reminder of the Drive To Produce More Oil
Oilfield flares are a bright indicator of rapidly rising oil production that exceeds pipeline capacity. And it raises the question: Why are oil companies in such a hurry?
How Close Is Too Close? Well Spacing Decisions Come With Risks
The ideal well spacing is in the eye of the beholder. The decision depends on so many factors that machine learning is now trying to determine the best combination of ingredients.
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.
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.
Permian, Bakken Operators Face Produced Water Challenges
As oil prices recover from the low point of the downturn, operators in the Permian and the Bakken are tackling water management issues.
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.
Shale Completions Improve, Despite Shrinking Number of New Wells
Two places that illustrate the mounting challenges facing the shale business are the Bakken Shale in North Dakota, where the number of working rigs is one-third what it was a year ago, and the Fayetteville Shale in Arkansas, where there are no more working rigs.
Designing an Optimized Surfactant Flood in the Bakken
The Bakken’s ultratight, largely oil-wet nature limits the potential of waterflooding. As an alternative, an optimally spaced well-to-well surfactant-flooding technology is proposed.
Design Optimization of Horizontal Wells With Multiple Hydraulic Fractures
The ultimate performance of fractured wells in tight reservoirs is affected severely by the interfering effects inside the fracture and interfractures.
Improved Conductivity and Proppant Applications in the Bakken Formation
Production from the Bakken and Three Forks formations within the Williston basin is continuing to climb as a result of applied horizontal drilling and hydraulic fracturing.
Carbon Dioxide May Offer An Unconventional EOR Option
Tests showing increased recoveries in the Bakken formation using CO2 could have significant implications for the upstream oil and gas industry.
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