Archive | Completing the Well

Wellbore re-entries and repairs: practical guidelines for cementing new casing inside existing casing

Posted on 13 November 2009 in 2009, Completing the Well, November/December

Whether a well is being re-entered after having been abandoned for some time or it simply needs to be repaired to be functional, many operators choose to cement…

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Monobore completion system provides simple, low-cost option for short-life expectancy wells

Posted on 09 November 2009 in 2009, Completing the Well, November/December

Many wells completed today can be classified as short-life or harvest wells. Some of these would not be economically feasible using high-end completion…

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All shales are not equal: Emerging resource prompting customized completion solutions

Posted on 09 November 2009 in 2009, Completing the Well, November/December, Onshore Advances

There is new abundance in the land of plenty. This time the bounty is not in amber waves of grain, but in the vast and resource-rich plays of US land shales…

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New liquid microsphere design simplifies HPL cementing, enhances density flexibility

Posted on 03 November 2009 in 2009, Completing the Well, July/August

As wells become increasingly complex, so do the cementing solutions required to support the casing strings and reliably isolate pay zones for long-term…

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Beyond bumping the plug: Wyoming project improves cementing by measuring real value

Posted on 03 November 2009 in 2009, Completing the Well, July/August, Onshore Advances

Although cementing costs typically represent less than 10% of total planned wells costs for US onshore operations, failure to get good zonal isolation…

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Deepwater cement design optimized for record-length expandable liner in Gulf of Mexico

Posted on 30 October 2009 in 2008, Completing the Well, September/October, The Offshore Frontier

By Don Schultz, Greg Pollard, Nexen Petroleum; George Fuller, Joey Langlinais, Michael Serio, Jasen Bradley, Halliburton During a sidetrack operation out of 9 7/8-in. casing on a deepwater well in Green Canyon Block 243, Gulf of Mexico, unexpected hole conditions were encountered that required the use of an additional casing string. The decision was made […]

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Managing retrieval of triple-zone intelligent completions in offshore extended-reach well

Posted on 30 October 2009 in 2008, Completing the Well, September/October, The Offshore Frontier

By L. Izquierdo, T.U. Ceccarelli, Schlumberger; G.P. Hertfelder, K. Koerner, Plains E&P; S. Pace, Chevron An independent operator offshore California has successfully achieved triple-zone intelligent well completions in an extended-reach drilling (ERD) campaign in its Rocky Point field. To date, two workover interventions have been performed in five deployments in the field, of which three […]

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New method developed to treat individual layers in cemented cased-hole completions

Posted on 30 October 2009 in 2008, Completing the Well, July/August

By Gary Rytlewski, Schlumberger A new method of completing multiple-layer formations has been successfully tested in the United States and Canada. This new method places sliding sleeve valves in the casing string and completes the well with normal cementing operations. The sliding sleeve valves are opened one at a time to fracture layers independently without […]

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Deep Gulf of Mexico completions push equipment to their limits – and maybe beyond

Posted on 07 October 2009 in 2009, Completing the Well, Features, September/October

As the Region moves into production phase, operators are taking careful steps to find and fill equipment gaps.

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Innovations filling in technology gaps in deepwater Gulf of Mexico completions

Posted on 17 May 2009 in 2009, Completing the Well, Features, May/June

With its wealth of resources, the Gulf of Mexico holds great promise for oil and gas operators as they push the envelope to tap deeply buried hydrocarbons. But those deep…

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