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Keywords: communication
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Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 22–25, 2021
Paper Number: SPE-204450-MS
... Abstract Subject North Sea oil producing well has developed sustained casing pressure in the A-annulus, resulted in well being shut-in for around 3 years. Several attempts were made to understand the source of the tubing-to-annulus communication, however remediation actions based on the...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 24–25, 2020
Paper Number: SPE-199811-MS
... release option in case there is a damage to the wireline cable or toolstring that prevents communication with the release device downhole. A battery-operated release device activates on the expiration of a programmed timer, even in the absence of wireline power or the presence of a short circuit. The...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 24–25, 2020
Paper Number: SPE-199873-MS
... Abstract This study presents the evolution of downhole fiber optics to a new hybrid electro-optical cable for coiled tubing (CT) applications. The optical fibers enable optical communication and distributed measurements such as distributed temperature and acoustic sensing. The electrical layer...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 24–25, 2020
Paper Number: SPE-199803-MS
... time, the treating port opened, enabling fluid flow from inside the workover pipe and into the straddle section. When the treatment was placed in the desired zone, the straddle packer was retrieved with the reversed procedure. The equalization ports enabled pressure and fluid communications between all...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 24–25, 2020
Paper Number: SPE-199807-MS
... along with real-time data streaming capabilities to provide an instantaneous insight on wellbore dynamics, thus enabling informed decisions on treatment optimization, as well as yielding reliable information on interzonal communication. This study is based on a success story of intervening with CT on...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 26–27, 2019
Paper Number: SPE-194272-MS
... slickline (DSL) allows surface readout (SRO) monitoring during the removal and installation of these barriers to provide an increased level of confidence during this important phase of the operation. This paper outlines case studies of the real-time sensors available with the RF communication DSL system...
Proceedings Papers

Paper presented at the SPE/ICoTA Well Intervention Conference and Exhibition, March 26–27, 2019
Paper Number: SPE-194285-MS
... Abstract A new family of 2 1/8-in. wireline tractor and intervention tools has been developed to enable logging and intervention services in high-temperature deviated or horizontal wells while providing high power levels and maintaining excellent surface communication over long cables. In many...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 27–28, 2018
Paper Number: SPE-189903-MS
... services (i.e., packer set, perforating, etc.) is a game changer that dramatically helps improve intervention efficiency. A previous challenge was maintaining real-time communications in areas where there is excess scale buildup. To circumvent this issue, a new protocol was developed using a radio...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference & Exhibition, March 24–25, 2015
Paper Number: SPE-173673-MS
... Coiled tubing operations Drilling Equipment drillstem/well testing communication well control equipment Completion Installation and Operations complex reservoir Upstream Oil & Gas pilot hole requirement subsea well plug environmental cement plug live well intervention landing string...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 25–26, 2014
Paper Number: SPE-168304-MS
... Abstract In Alaska oilfields, non rig tubing repair has become a viable alternative to rig workovers (RWO). Tubing straddles can remediate tubing by casing ("A" annulus) communication at a tremendous savings in areas where rig workover cost is significant. This paper advances the analysis of...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference & Exhibition, March 26–27, 2013
Paper Number: SPE-163944-MS
... require expensive rig-workovers to repair. If shallow, these leaks manifest as sustained casing pressure or "A" to "B" annulus communication. Until the development of the ultrasonic leak detection logging tool, accurately identifying small casing leak detection was difficult, if not impossible, with...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference and Exhibition, March 27–28, 2012
Paper Number: SPE-153358-MS
... reduce the pressure near the hydrate below the hydrate-association envelope, as it is shown in Figure 1 . To achieve this goal, the communication between the workover rig and the FPSO (floating, production, storage and offloading unit) is done via a DPR connected to the WCT. The fluid in the DPR will be...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference and Exhibition, April 5–6, 2011
Paper Number: SPE-142854-MS
... positively tested where a leak does exist and is less than the pressure test detection threshold. Consequence: Impact on site personnel, onsite or offsite property, offsite communities, and the environment. In general these are realistic, plausible and credible outcomes of a failure event...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference and Exhibition, April 5–6, 2011
Paper Number: SPE-143361-MS
... indicate that an earlier bullheading stimulation treatment left some of the zones unstimulated. Also, a radioactive log showed communication behind the casing between the two lowermost intervals. A rigless intervention was programmed to increase this well's production by acid stimulation; specifically to...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing & Well Intervention Conference and Exhibition, March 31–April 1, 2009
Paper Number: SPE-121461-MS
... Operations Deepwater Gulf of Mexico communication spe 121461 dissolution hydrate formation mez deck society of petroleum engineers obstruction subsea flowline Blockage SPE 121461 Applying Well-Remediation Techniques to Subsea Flowlines in Deepwater Gulf of Mexico Lisa A. Hudson and Gregor J...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing and Well Intervention Conference and Exhibition, March 20–21, 2007
Paper Number: SPE-106625-MS
... oilfield chemistry scale inhibition asphaltene remediation caliper data remediation of hydrates liner communication information gaslift mandrel Upstream Oil & Gas Prudhoe Bay mechanism carbon steel wax remediation Hydrate Remediation hydrate inhibition asphaltene inhibition Caliper Log...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing Conference & Exhibition, April 4–5, 2006
Paper Number: SPE-100165-MS
... Abstract A non-rig Coiled Tubing Unit (CTU)-deployed tubing patch technique was developed at Prudhoe Bay, Alaska, which provides an inexpensive remediation for wells with production tubing by "A" annulus communication. Extended-length patches (which consist of two retrievable hydraulically set...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing Conference and Exhibition, April 12–13, 2005
Paper Number: SPE-94085-MS
... increases the potential risk of communication above the assembly. This paper describes the development of an economical and reliable coiled-tubing fracturing system that allows selective fracturing of previously bypassed pay zones. This is now possible because the system can be conveyed in a tandem...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing Conference and Exhibition, March 23–24, 2004
Paper Number: SPE-89446-MS
.... production tubing and the 7-in. casing. Economics In the past, a well with communication problems that also showed excellent potential for fracture treatment required a separate intervention operation before it could be stimulated. A workover rig was called in to repair the leak in the tubing or casing...
Proceedings Papers

Paper presented at the SPE/ICoTA Coiled Tubing Conference and Exhibition, March 23–24, 2004
Paper Number: SPE-89528-MS
... Abstract The application of information technology (IT) tools in the exploration and production industry has extended and enhanced conventional oilfield practices by promoting better communication and technical collaboration between expert personnel and the wellsite. Effective, real-time data...

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