... shall be a minimum 328.08-ft measured depth (MD) above a casing shoe or window and minimum 656.17-ft MD above the shoe of a production casing or liner. The planned cement length shall be designed to allow for future use of the well, such as sidetracks, recompletions, and abandonment. A well-designed...

... This verification is done by both surface and downhole monitoring. Interpretation of test results may be challenged by multiple downhole factors and may leave the risk the WBE failure during the test and later after the well was abandoned. In the worst scenarios, the abandoned well will require...

... Well with Brine Table 1. Pumping Procedure for Resin-Based Well Abandonment The abandonment plan called for pumping 35 bbl of resin down the production tubing; this would squeeze 10 bbl into the formation with the estimated top of resin at 18,339 ft (5,590 m). Figure 3 shows the planned...

...Concurrent P&L and Late Life Activities 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...

... & Gas event interval plug noise abandonment Leak Detection Survey Introduction In today's oil and gas industry, operators are proactively exploring new and improved means of working in a smarter manner and reducing costs both during the life of a producing well and abandonment phase...

... offshore facility decommissioning criteria assessment pairwise comparison offshore pipeline concrete mattress trunkline abandonment cleanliness standard integrity Upstream Oil & Gas platform water depth operation disposal route pipeline pigging isolation preparation society...

... of plasma milling have been analyzed. Results and Observations Rate of penetration 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...

... workovers and abandonment. In mature oil wells with a complex history of commingled production, fresh measurements are essential. Improving reservoir monitoring requires expanding measurement from inside the casing to behind casing to look for by-passed oil. Tools are constantly evolving, and the choice...

... ), a 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...

... the 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, pipelines...

.... Although the Seawell completed a number of well operations after coming into service the advantages of the monohull design really became apparent when the vessel was selected for the 1993 abandonment of the Hamilton Argyll field ( Reference 1 ). The Argyll abandonment involved 18 wells and using...

... plug cement completion installation and operations spe 30349 subsea well offshore installation platform well abandonment packer upstream oil & gas aberdeen requirement society of petroleum engineers nitrogen riser abandonment tailpipe perforate non return valve nrv...

... abandonment requirement regulation well operation certificate construction upstream oil & gas safety case installation drilling operator workover procedure operation society of petroleum engineers operational safety regime reasonably practicable hazard well design...

... 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 solutions which result in low capital investment but then give...

... ABSTRACT Abandonment timing for Thistle is uncertain, and the aim of reservoir management is to accelerate reserves so that value is maximised prior to a target date. In an environment of tight expenditure control, the focus has shifted from large field studies to well reviews, and from infill...

... Platform abandonment project. FRIGG GAS FIELD Frigg is a "dry gas" field located on the Norwegian-UK border. It was discovered in 1971 and put on stream in 1977 from two 24 slot production platforms. The initial gas in place is estimated to have been 235 BSm 3 , with final recovery estimated...

... 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...