Unconventional Resources

Tech Paper: Reliable Detection and Power in an Electronic Sliding Sleeve Multistage Completion System

New electronic sliding sleeve helps increase flexibility, reliability, mechanical simplicity, and robustness for multistage hydraulic fracturing A new electronic sliding sleeve has been developed for hydraulic fracturing that provides the operational efficiency of sliding sleeves while enabling an unlimited number of fracturing zones and eliminating the milling of the baffle seat. This system uses electronic sensors and battery power to determine when the...

Tech Paper: Continuous Use of Fiber Optics-Enabled Coiled Tubing Used to Accelerate the Optimization of Completions Aimed at Improved Recovery and Reduced Cost of Development

Halliburton Helps Operator Increase Production by up to 25% with Fiber Optics-Enabled Coiled Tubing Continuous improvement in completions designs leading to an increased return on asset development is one of the primary focuses of operating companies. To continue driving towards this goal, an operator looked to continuously optimize completions designs in their acreage in Bakken, North Dakota. There were two parallel paths taken...

Tech Paper: Unconventional Multiplay Evaluation of Casing-in-Casing Refracturing Treatments

Halliburton successfully implements casing-in-casing refracturing treatments in the Haynesville and Eagle Ford Shale Throughout the development of major shale plays, a better understanding of stimulation influence on reservoir productivity has led to significant changes in industry completion practices. The relatively fast development of fields combined with the evolution of completion design suggests the completions performed on the earlier completed wells are understimulated and...

Case Study: Summit ESP® Successfully Replaces Rod Lift System

Multi-technology solution generates USD 1.4 Million in revenue for operator in just six months Challenge – Rod lift systems have their own challenges, especially in extreme conditions with excessive gas and high depths. Gas is compressed within the pump itself before actually producing liquid. Solids fallback is also an issue, particularly in the Bakken formation. The client had wells with pump set depth...

Case Study: RapidStart® Initiator CT Sleeve Helps Seneca Resources Pump an Extra Frac Stage

Single toe sleeve increases return on investment Challenge – In horizontal wells, a toe sleeve is used to provide the necessary access from the wellbore to the formation at the toe of the well. Communication between the wellbore and the formation is needed to provide a flow path that will allow displacing either frac plugs and/or frac balls downhole so that multistage fracturing...

Tech Paper: Saturated Salt and Diesel Emulsion Fluid Reduces Drilling Costs in New Mexico

Direct emulsion water-based drilling mud system helps operator overcome challenges In the Delaware Basin of New Mexico, shallower formations, such as the Salado, include halite and anhydrite layers followed by weaker formations in the Delaware Sands- (e.g., the Brushy Canyon). The fracture gradient difference between these two zones has typically required an intermediate casing string to seal off salt formations before reducing fluid...

Tech Paper: Redevelopment of an Unconventional Oil Reservoir: Finding Unstimulated and Bypassed Reservoir Volume

Increasing oil production in a tight carbonate formation through re-stimulation opportunities This paper identifies re-stimulation opportunities in existing horizontal wells with existing multistage hydraulic fracturing to increase oil production in a tight carbonate formation, offshore Black Sea. Pilot candidates were screened and ranked through the following decision criteria described in this paper, coupling reservoir, production and completion parameters. Favorable pilot candidates were verified...

Case Study: Halliburton Enters Conventional Liner Hanger Market on Sinclair Well

First MatchSet™ system is successfully installed in highly deviated horizontal application Challenge – The customer had limited operations in the Williston Basin, and was faced with the complexity of a highly deviated horizontal well with a sidetrack. It needed a hanger with a modular design that could handle long and heavy liners with minimal stress to the parent casing. The MatchSet™ conventional liner...

Case Study: BaraShale™ Lite Fluid Enables Sustained Success of Unconventionals in Low-Cost Oil Environment

New water-based fluid system helps operators save time and reduce costs Challenge – With its unconventional field developments, the outstanding success of the Permian Basin as a global oil and gas swing producer has been sustained by operators and service companies using innovative technologies and cost-efficient operational practices. Overlying much of the hydrocarbon-rich Delaware Basin – the western province of the Permian Basin...

Tech Paper: Wellbore Placement in the Middle Bakken Formation Using an Azimuthal Gamma-Ray Measurement

Identify shearing or faulting early using an azimuthally sensitive natural gamma-ray tool The Bakken formation is a large, unconventional resource located in North Dakota. Horizontal wells are drilled from pads at tight spacings, and placement within the target formation is critical to ultimate recovery rates. Geologic placement is established by evaluating the natural gamma-ray tool response and comparing it to a representative gamma-ray...

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