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Keywords: abandonment
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Proceedings Papers

Paper presented at the SPE Offshore Europe Conference and Exhibition, September 3–6, 2019
Paper Number: SPE-195789-MS
... Abstract The North Sea Oil and Gas industry counts over 7,800 wells drilled. The industry is now entering an era of well abandonment and decommissioning. Current barrier verification for P&A requires appropriate pressure testing and includes surface and downhole monitoring. Globally...
Proceedings Papers

Paper presented at the SPE Offshore Europe Conference & Exhibition, September 5–8, 2017
Paper Number: SPE-186133-MS
... The decision to perform early P&L of the Brent Charlie wells released for plug and abandonment using a wireline mast was taken by Shell. This was based on the lessons learned following a successful campaign on the Brent Alpha platform. This strategy offers the following benefits...
Proceedings Papers

Paper presented at the SPE Offshore Europe Conference & Exhibition, September 5–8, 2017
Paper Number: SPE-186113-MS
... casing and production tubing ( Figure 1 ). The well was worked over and was re-completed in 2009 and then produced until September 2013 when it was shut in due to high sand production caused by an apparent completion failure. In 2015, the operator decided to permanently abandon the well. downhole...
Proceedings Papers

Paper presented at the SPE Offshore Europe Conference & Exhibition, September 5–8, 2017
Paper Number: SPE-186129-MS
... This paper describes cases related to a field that went through an abandonment procedure after it had been on production for over 50 years. The well stock consists of 26 wells, with multiple casing strings. After the installation of the last plug there should have been no SAP detection. However...
Proceedings Papers

Paper presented at the SPE Offshore Europe Conference and Exhibition, September 8–11, 2015
Paper Number: SPE-175426-MS
... significantly reduce this cost. Savings can be made during late in life operations on the platform and preliminary decommissioning planning. A Comparative Assessment tool assists the project team in selecting the most preferred decommissioning and abandonment option for subsea pipelines by using criteria such...
Proceedings Papers

Paper presented at the SPE Offshore Europe Conference and Exhibition, September 8–11, 2015
Paper Number: SPE-175431-MS
... Abstract Plug and Abandonment (P&A) is the largest category in Decommissioning expenditures, representing 40-44 percent of the total investment that basically comes as mandatory cost with no expected return. If the well operator gets P&A inadequate, results may include water flows, gas...
Proceedings Papers

Paper presented at the SPE Offshore Europe Oil and Gas Conference and Exhibition, September 6–8, 2011
Paper Number: SPE-143403-MS
... permeability and pressure between the sands. The log results led to workovers to isolate high water-cut sands by setting production packers. But after more years passed, the point was reached where there were no more zones to isolate with packers, and the team was forced to consider well abandonment. Rather...
Proceedings Papers

Paper presented at the SPE Offshore Europe Oil and Gas Conference and Exhibition, September 4–7, 2007
Paper Number: SPE-108435-MS
... fully abandoned subsea appraisal well has been cost effectively converted into a valuable reservoir monitoring asset. Clair Ridge appraisal well 206/8–13Y was drilled in 2006 and located some 8km from the existing Clair production platform. The well was the first step in an appraisal programme designed...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 5–8, 1995
Paper Number: SPE-30372-MS
... decommissioning of the field facilities, concepts and options which exists for these stages, and operational and technical considerations applicable to each stage. The stages addressed include engineering and planning, well plugging and abandonment, topside systems cleaning and preparation for removal...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 5–8, 1995
Paper Number: SPE-30424-MS
... Abstract Subsea wireline well intervention has been performed from the Multi functional Support Vessel (MSV) Seawell since I 988. In a joint Coflexip Stena Offshore (CSO) and Camco venture, an impressive track record in wireline work and abandonment has been created. Despite this, there is a...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 5–8, 1995
Paper Number: SPE-30349-MS
... Abstract Well abandonment is now becoming an important consideration for many operators, particularly in expensive offshore locations. The traditional methods are very expensive to apply, and it is important to remember have a negative economic impact, other than good housekeeping. An...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 7–10, 1993
Paper Number: SPE-26690-MS
... expectancy was three to five years and cost sensitivity was embraced as the only viable way to ensure that the field survived longer than originally forecast. This paper reviews some of the Argyll field innovations from initial design into ongoing operations and on through to abandonment. Technical...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 7–10, 1993
Paper Number: SPE-26787-MS
... waterflooding bp exploration well intervention upstream oil & gas watercut uptime coiled tubing operation thistle pressure support oil production spe 26787 well review history reservoir management exploration enhanced recovery abandonment reservoir surveillance production...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 3–6, 1991
Paper Number: SPE-23110-MS
... Abstract A campaign in the North Sea was carried out to permanently abandon 24 wells using coiled tubing (CT). permanently abandon 24 wells using coiled tubing (CT). This was used to fulfil the Department of Energy requirement that the production screens had to be plugged back with cement...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 8–11, 1987
Paper Number: SPE-16561-MS
.... Abstract The publishing of the UK Government's "Petroleum Bill" has generated much interest and controversy in the subject of Removal and Abandonment of offshore installations; it is therefore particularly timely to review all the influences that may affect the situation and update the position for 1987...

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