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Improving Cementing Increases Production, Bakken Shale

Published: 10/07/2019

Concrete blue texture
Kinetix software simulations of the four isolation and fracturing fluid cases.
Kinetix software simulation for a Bakken Shale well shows that in wells with 70% of stages isolated (top), fracturing fluid migrates behind the casing, redistributing length and height growth for some fractures. This increases risks of reaching unproductive rock, water-saturated zones, or nearby wells as frac hits. Fracturing with 100% isolation (bottom) stimulates the reservoir as designed, improving 3-year oil production up to 22% for the crosslinked fracturing fluid case and 5% for the linear gel fluid case.
Location
Bakken Formation, United States, North America, Onshore
Details
Modeling Assumptions
Completion type Cemented sliding sleeves
Drilling fluid Nonaqueous fluid (NAF)
Distance between frac ports ~290 ft (slight variation across the lateral)
Stage isolation—conventional cementing 70%
Stage isolation—cemented with Fulcrum technology 100%
Background
To assess the effect of stage-to-stage communication in a typical Bakken Shale well, Kinetix reservoir-centric stimulation-to-production software was used to simulate typical 3-year production performance after hydraulic fracturing with crosslinked or linear gel with 70% or 100% of stages isolated.
Products Used
Fulcrum
Cement-conveyed frac performance technology

Improve multistage fracturing efficiency by limiting stage-to-stage communication behind the casing.
Kinetix
Reservoir-centric stimulation-to-production software

Integrate complex reservoir and engineering data to simulate and optimize completion and fracture stimulation designs.
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