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Completing the Well

Halliburton releases fluid-efficient dissolvable frac plug

Halliburton has released the Illusion Spire, the first fluid-efficient dissolvable frac plug. This offering expands on the capabilities of current dissolvable plugs, but with a larger internal diameter and less mass for greater efficiency. In the unconventional market, the time to bring a well on production is critical. Traditional plug designs can result in sub-optimal plug conveyance and excessive fluid volumes. The company designed the Illusion Spire technology with a water-saving element so that operators can pump faster, resulting in reduced completion time. The reduced plug size also drives quicker and more consistent dissolution time. “Our goal was to develop the industry’s most advanced frac plug that delivers increased efficiency to help operators reduce rig time and save costs,” Mark Dawson, Vice President ...

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BHGE extends low temperature range for disintegrating frac plug

The SPECTRE disintegrating frac plug was developed in collaboration with operators who sought an anchoring grip that would completely disintegrate, leaving no debris in the wellbore that could compromise long-term operations. Baker Hughes, a GE company, recently introduced the SPECTRE low-temperature (LT) plug, which extends the tool's reliable disintegration envelope to temperatures as low as 100°F.

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Collaboration between operator, service company reduces completion time on deepwater Egina field

By Connor Behrens, Contributor Collaboration and a disciplined process approach helped Halliburton and Total E&P Nigeria to achieve a 60% reduction in lower completion times, standalone screens and open-hole gravel packs on the deepwater Egina field, Ken Johnson, Project Manager for Halliburton, said. The reduction was made between the first and 24th well on the field. Further, upper completion times for the same wells were reduced by 40%, and both lower and upper completion operating effectiveness and run reliabilities were measured at above 97%, Mr Johnson said at the 2018 IADC/SPE Asia Pacific Drilling Technology Conference on 29 August in Bangkok, Thailand. The Egina field was discovered during the early 2000s at water depths greater than 1,500 m (4,900 ft). Project ...

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Pursuit of life-of-well integrity propels zonal isolation evolution

Increasingly harsh downhole conditions necessitate advances in cement spacers, packers and elastomers, boost use of barrier diagnostics By Kelli Ainsworth Robinson, Associate Editor, and Katie Mazerov, Contributing Editor Longer, deeper and hotter wells are upping the stakes for well integrity, driving an evolution in zonal isolation methods that give operators the assurance their completions endure for the life of the well. Research and development efforts for mechanical, fluid-activated and chemical solutions are ongoing to meet the rising challenges of these harsher downhole conditions that impact everything from elastomers to packers to cement. At the same time, the use of diagnostic tools to detect problems before they become problematic is growing.  Cement coverage is especially challenging in wells with low-pressure conditions or a ...

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Low-density, lightweight cement tested as alternative to reduce lost circulation, achieve desired top of cement in long horizontal wells

Locally sourced materials and supply chain optimization can help to keep lightweight cements cost-effective By Andy Jordan, Roderick Pernites and Lucas Albrighton, BJ Services Horizontal drilling awoke a new frontier in North America. This advanced drilling practice creates wells with mile-long horizontal sections, minimized hole diameters and maximized casing string diameters. Further, completion intensity has increased exponentially as longer horizontal wells are completed by fracturing with more stages and high-rate pumping. Casing programs have been optimized, often exposing weak formations to higher pressures for longer periods. The combination of exposed formations, longer laterals and smaller annuli poses challenges in achieving a successful cement job. These cementing operations require lighter and more stable slurries and in larger volumes. They also require cements ...

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Halliburton introduces Prodigi AB service

Halliburton unveiled Prodigi AB Service on 21 August 2018, the offering introduces automation to hydraulic fracturing. By automating the breakdown process of a fracturing treatment, the service helps deliver better well performance. Prodigi AB uses algorithmic controls and is supported by a completion advisor within the company, who will tune the system to optimize the performance.  The service helps improve overall efficiency, maximizing the performance of perforation clusters and mitigating the risk of screen-out. Prodigi AB also provides consistent design execution, better distribution of fluid across the perforated interval, and improved treatment pressures and rates. Additionally, the service delivers improved precision to achieve a lower cost per BOE. “Prodigi AB Service offers a significant change in the way we are able to optimize our hydraulic fracturing operations in real-time, accelerate the ...

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