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Keywords: cement
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Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 19–20, 2024
Paper Number: SPE-218289-MS
..., saving time and avoiding unexpected events. The methodology behind this campaign followed customer requirements to either P&A or suspend the wells, depending on the case. A series of inflatable packers were included as a base for cement and/or to cement the A annulus. It was critical to punch...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 19–20, 2024
Paper Number: SPE-218367-MS
... geology climate change subsurface storage co 2 geologist concentration nano silica gel gel strength nano silica concentration nano-silica sealing parameter nanosilica concentration leakage air emission enhanced recovery gel silica concentration remediating leak cement fracture...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–23, 2022
Paper Number: SPE-209047-MS
...&A Unit, Mud/Cement Pumps, and ancillary equipment) to reduce emissions, smell, and noise contour. – Project management and engineering is key to ensuring efficient planning and close collaboration with the well operator's project team. – Collaboration between partners enables multi-skilling...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–25, 2021
Paper Number: SPE-204404-MS
... Abstract Squeezing perforated intervals is very common in oil and gas wells, either for isolation to produce from another zone or during P&A applications. Though cement is the common material used in this application, sometimes cement is not ideal. A few of these instances are: 1...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–25, 2021
Paper Number: SPE-204416-MS
... function, stimulate, and remediate different portions of the wellbore without introducing inner diameter casing restrictions or reductions. This paper aims to highlight the use of reclosable sliding sleeves not only as a means for primary reservoir stimulation, but also to conduct remedial cement...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 24–25, 2020
Paper Number: SPE-199788-MS
... Enhancements to previous CT techniques have resulted in improved reliability and operator confidence in precise setting of inflatable packers to provide a mechanical barrier for cement plug placement on top or changing the flow path as required. Most packers can be cable (wireline/slickline...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 24–25, 2020
Paper Number: SPE-199864-MS
... Abandon memorandum".  This memo covered the definitive abandonment of the well through isolation of the producing formations and adjacent formations to aquifers, additionally including the surface abandonment by proper filling with cement in compliance with the Company regulations. Methods, Procedures...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 26–27, 2019
Paper Number: SPE-194251-MS
...-pressurization, mechanical/chemical degradation, and/or a poor cement job, thus reducing the sealing capacity of the site. Wells that leak due to microannuli or cement fractures on the order of microns are difficult to seal with typical workover techniques. We tested a novel polymer gelant, originally developed...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 27–28, 2018
Paper Number: SPE-189912-MS
... element was crucial in determining the life of the motor because it significantly affects the motor life. To ensure that motors are functional, a custom surface test was performed, which included milling through a cement block secured at the surface. The milling of the first 126 m of cement required 18 CT...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 27–28, 2018
Paper Number: SPE-189930-MS
... string drilling BHA Safety Case kill string RIH master valve completion the packers packer drilling operation intervention resin whipstock wellbore cement BHA perforation fracture milling bha milled-tooth bit society of petroleum engineers operator Phase I: Intervention...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 21–22, 2017
Paper Number: SPE-184762-MS
...) was chosen to address the challenge of well integrity because the packer was able to isolate the upper completion and subsea tree while cement was being injected into the reservoir. Hence, exposure of the well components to pressure was minimized, which consequently minimized the risk of having a well...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 21–22, 2017
Paper Number: SPE-184802-MS
... cement, drill out the cement across the perforations, and then pressure test the squeezed zones to help ensure an effective perforation seal has been achieved. The new zones are then perforated and completed for production. The entire operation can require four or more days of rig time, depending...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 21–22, 2017
Paper Number: SPE-184764-MS
... and enabling the fluid to exit the jets at velocities exceeding 1/2 Mach; this enables the abrasive cutting of the production liner/intermediate, cement sheet, and formation rock. This technique can be applied with either coiled tubing (CT) or jointed pipe, thereby achieving success in different applications...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference & Exhibition, March 24–25, 2015
Paper Number: SPE-173655-MS
... of lower completion types. The technique involves installing a temporary plug back to protect the toe or bottom most perforations to be preserved, then pumping a polymer gel followed immediately by a microfine cement to shut off the shallower or heel perforations. The objective of the gel and cement...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference & Exhibition, March 24–25, 2015
Paper Number: SPE-173642-MS
..., then runs the liner to depth. On the second run, coil cements the liner in place. A field test of the system was performed in a well with a few sections of pipe prior to deployment in a well for an actual intervention. The target well for the intervention was an injection well on the North Slope. The well...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference & Exhibition, March 24–25, 2015
Paper Number: SPE-173693-MS
... with this operation; these included the well's high MASP (7,900 psi), low ambient temperatures (−50°F), performing CT milling operations in large casing (9 5/8 in.), and cement placement through CT in zones with very low bottomhole temperature (29°F). The low-temperature cement system used was designed so...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 25–26, 2014
Paper Number: SPE-168253-MS
... to hold. They provided details of the new perforation intervals and guidelines on the max Top of Cement (TOC) that the plug should provide. R&T reviewed the technology in terms of previous case histories of installation, pilot trial execution feasibility, the contractul process and commercial aspects...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 25–26, 2014
Paper Number: SPE-168265-MS
... clearances leading to a high ECD and old unreliable reservoir characteristics can result in a fast liquid loss situation occurring out of view. Good mud properties can handle this issue but an instable filter cake can quickly lead to a situation where the formation will be filled with cement while your...

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