Tech Paper: Field Application of an Innovative, Minimally Damaging Low-ECD Invert Emulsion Fluid for Drilling and Completion of HP/HT Wells: Update on Fluid Performance

Invert emulsion fluid helps operator save time and money while drilling on an HP/HT field Previous publication SPE-174176-MS discussed the development of a novel high-pressure/high-temperature (HP/HT) organophilic clay-free (OCF) invert emulsion fluid (IEF) for first use as a combined reservoir drilling fluid (RDF) and screen running fluid (SRF) for stand-alone screen (SAS) completions. The current paper details the continued application of this innovative fluid in a...

Tech Paper: Multilateral TAML-4 and -5 Junctions Provide Consistent Results for Arabian Gulf Operator

Successful implementation of multilateral technology expands the use of multilateral completions in the Middle East Since 1999, more than 120 wells in Saudi Arabia have been completed using multilateral technology (MLT). This paper will discuss case histories, associated technology improvements, and best practices in which dual-lateral completions, with and without pressure-isolated junctions (Technical Advancement of Multilaterals (TAML) levels 4 and 5), were developed and used to help ensure...

Case Study: Record-Setting Lateral Completion Achieved with Obsidian® Plugs

Halliburton and Eclipse Resources set 124 frac plugs averaging 5.3 frac stages per day CHALLENGE – Setting and drilling out 100 + frac plugs in an extended-reach 18,544 ft lateral is no easy feat, so finding a reliable, field-proven completion solution was key. Eclipse Resources considered running a sleeve system for the extended lateral; however, Obsidian® plugs proved to be a more economical option, and past...

Tech Paper: First Integrated Petrophysical Characterization in Limestone in Ecuador: M1 and M2 Limestones, Puma Field

Dual porosity characterization method helps access potential carbonate reservoirs The first integrated characterization of limestone in Ecuador was performed in the M1 and M2 limestones in the Puma field of the Oriente basin. The characterization was performed by using available information from open hole logs and by applying the dual porosity methodology, which requires the use of porosity curves, including density, neutron, and sonic. The method...

Case Study: Use of Remotely Operated Technology Saves 45 Hours Rig Time

Remotely operated barrier valve and bridge plug increase operational efficiency while eliminating a number of intervention runs CHALLENGE – Chevron wanted to hydraulically set a production packer and provide dual well barriers with minimal intervention methods. The completion design had a limitation where only low pressure could be applied against the fluid loss device, hence the requirement for a separate packer-setting solution. The typical completion method...

Case Study: Source Control Operations Achieve Success on Offshore Drilling Platform

Boots & Coots team controls fire and manages source control operations after offshore blowout CHALLENGE – During drilling operations on a platform, a kick occurred after encountering an unexpected abnormal pressure formation. While circulating out the kick, a leak developed on the blowout preventer (BOP) stack, which then ignited. The platform was safely evacuated without any injuries, but the fire eventually degraded the structural integrity of...

Holistic Management of Heavy Oil Field Development in Sensitive Environments

Extend the lifespan of a reservoir through heavy oil development while reducing environmental impact The exploitation of heavy oil faces two crucial challenges: reducing the cost of production per barrel; and increasing the recovery factor to extend the productive life of the reservoir. Both of these must be tackled while working to leave no environmental footprint. Technological developments have played a fundamental role in increasing well production in areas...

Tech Paper: Innovative Sidewall Pressure Coring Technology Improves Reservoir Insight in Multiple Applications

New tool helps eliminate the loss of important reservoir fluids during core recovery process Oil and gas exploration and development projects require reservoir properties that need to be evaluated to help ensure both economic and operational success. These reservoir properties include determination of the volume of original hydrocarbon in place, the residual hydrocarbon saturation after sustained production, and the reservoir drive mechanisms. Additionally, an accurate analysis...

Tech Paper: Improving Fiber-Optic System Reliability in Permanent Installations

Monitoring the health of fiber-optic system can save time and money Permanent installation of fiber-optic (FO) sensors, whether discrete or distributed, provides beneficial monitoring of a wide variety of parameters during every stage of a well’s useful life—from drilling and completions, through the productive period, up to and including permanent abandonment—assuming that the sensors do not fail during installation or subsequent wellbore intervention operations. Long-term reliability...

Case Study: RapidStage® system with AccessFrac® service shines in the Bakken

A minimum of 30% sustained production improvement in over 20 jobs performed CHALLENGE – Operators in the Bakken and Three Forks formations seek to increase compartmentalization in their wellbores by adding more isolated fracturing stages. The goal – access more productive reserves thereby improving well economics with the goal of lowering cost per BOE. At the same time, these operators strive to minimize completion time in...