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Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, December 3–4, 2019
Paper Number: SPE-199230-MS
... for the cementing operations; there was no requirement to clean the tanks between mixing the cement setting spacer and the cement spacer used to cement the plug. After the pill was mixed, the tubing was punched at 4,100 ft, and a 500 ft thixotropic water-based pill was set in the annulus and outside of the punched...
Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, December 3–4, 2019
Paper Number: SPE-199171-MS
... integrity issues it was decided to plug and abandon the well, however, with alternate methodology/approach as conventional methods won't yield. This paper discusses the details of workflow, design, surface arrangement, fluid selection, well control method deployed to subdue the well and subsequent...
Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, December 3–4, 2019
Paper Number: SPE-199182-MS
... Abstract The paper will include an introduction of dissolvable plug and its development in oil & gas upstream business. Dissolvable plug is a customized tool, and it could be modified by controlling its chemical compound to adjust its dissolving rate. In addition, high clearance dissolvable...
Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, December 3–4, 2019
Paper Number: SPE-199198-MS
... Abstract Plugging and abandonment operations may require multiple cement plugs to isolate a given wellbore from the surface or seabed. The rig operational time placing and then validating the integrity of selective cement plugs could range from a couple of days to one week depending...
Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, December 3–4, 2019
Paper Number: SPE-199175-MS
... the hydro test at 2,500 psi surface pressure. Otherwise, the contingency plan must be applied i.e. set two metal plugs above the topmost perforation and cover with 30 m of dumped cement. In the first two wells, the pumping operations were completed as plan but failed the hydro test even surface samples had...
Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, December 3–4, 2018
Paper Number: SPE-193944-MS
... in detail. Abrasive waterjet cutting system were utilized first time. Lessons gained in the well plug and abandonment execution phase can be applied in other regions, especially in Asia Pacific. A series of practice taken to handle SAP were described in this paper for the first gasfield abandonment...
Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, December 3–4, 2018
Paper Number: SPE-193938-MS
... Abstract In early 2017, one of the largest oil producer company in Thailand has dedicated a jack up drilling rig to support Well Plug and Abandonment (P&A) operations as part of the company's asset retirement program. With hundreds of Well P&A targeted, Drilling Team in the company has...
Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, December 3–4, 2018
Paper Number: SPE-193980-MS
... of cleaning the annulus. After completing the washing cycle, the perforated interval was cemented using the cementing valve assembly to restore the caprock. Retrieval of Lower Crown Plug Flow target is an essential part of the LCP assembly. This equipment acts as an erosion plate during production...
Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, December 3–4, 2018
Paper Number: SPE-193987-MS
... to be plugged. An adjustment made by optimize it to fit-to-purpose abandonment according to Indonesia national standard while complying with the feasibility and safety operation. As a result, there is a decrease in average AFE cost during 2015 to 2017 by 29% which equal to US$8.5 million and still has decrease...
Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, December 3–4, 2018
Paper Number: SPE-193974-MS
... Artificial Intelligence Upstream Oil & Gas cement and bond evaluation cap rock well abandonment best practice structural geology isolation Offshore Peninsular Malaysia Reservoir Characterization casing and cementing operation shallow gas society of petroleum engineers plug...
Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, December 3–4, 2018
Paper Number: SPE-193989-MS
... specified in the table ( Fig 9 ) and illustrated in the picture ( Fig 10 ). Single casing perforation guns have been on the market for several years and have widely been utilized in plug and abandonment operations to set cement inside concentric casings, and to remediate sustained casing pressure inside...
Proceedings Papers

Paper presented at the SPE Symposium: Decommissioning and Abandonment, December 3–4, 2018
Paper Number: SPE-193978-MS
... & retrieve tree cap 4.4 1.5 2.8 0.5 3.4 1.1 Well isolation & tubing cut 3.7 1.2 2.0 1.3 2.6 0.8 Recover subsea & completion string 5.0 1.7 2.6 1.1 1.5 0.6 Recover wellhead & set surface plug 5.4 1.9 5.4 2.3 6.5 2.6 Rig down & move off location 0.1 0.1...

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