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Keywords: rig
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Proceedings Papers

Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31907-MS
... seastates and ocean currents and a 41% reduction in red zone entries. Exposure of the surface casing string to environmental loads was further reduced by 7% with the use of an innovative hands-free anti-rotation key, which requires no installation on the rig floor during tubular handling operations...
Proceedings Papers

Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31950-MS
... execution, support, and evolution of automated operations on the rig, detailed in the following sections. Automation Lifecycle Management The ALM methodology was developed to cover all necessary services to achieve and sustain performance goals. The ALM methodology focuses on continuous performance...
Proceedings Papers

Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31859-MS
...Abstract Abstract The use of the tethered BOP at Petrobras intends to enable the operation of Dynamically Positioned Rigs in shallow waters, allowing drilling or workover in wells in congested areas or subject to environmental restrictions due to corals or marine fauna. The BOP tethering...
Proceedings Papers

Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31980-MS
... decade in operations in the North Sea and other locations around the world to mitigate wellhead fatigue. In Brazil, it was proposed to enable the use of dynamically positioned (DP) drilling rigs in shallow waters, where the loads imposed by the riser-BOP on the wellhead during a drift-off/drive-off event...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31264-MS
... Abstract This paper outlines an approach/solution which enables offshore operators to economically upgrade (i.e., modernize) drilling drive lineups with direct current (DC) based power grids and energy storage. Many legacy drilling rigs in operation (and ones that are currently stacked/idled...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31131-MS
.... However, since many shallow water locations can experience harsh conditions and may require moorings for station-keeping performance, it is beneficial to enable a DP rig to quickly disconnect from its mooring system and avoid hazardous conditions without support vessel assistance. Providing...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30742-MS
... positioned deepwater rig drilling a narrow margin MPD well in the Black Sea. Results, Observations, Conclusions The paper shares conclusions from each of the active sealing device development program phases. Upscaling passive RCD technology for deepwater has had negative effects on performance...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29469-MS
... identify areas of improvement. warning systems offshore technology conference drilling fluid management & disposal artificial intelligence well control issue flowmeter pipe drilling operation annular pressure drilling influx well control sensor efficient well delivery personnel rig...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29561-MS
... offshore technology conference production system rig xmas tree manifold upstream oil & gas toast rack template connector subsea system riser template xmas tree installation deep water operation workover system aasta hansteen subsea production system wellhead Christensen T...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29258-MS
..., and ideas of how we can collaborate, as an industry, in creating a safe and sustainable Smart Offshore Ecosystem. supply vessel platform drilling contractor upstream oil & gas battery rig sustainable offshore environment remove waste offshore environment hybrid power system data mining...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29316-MS
... and station-keeping performance could be of vital importance, also considering planned maintenance. The aim of this paper is to share experiences in planning DP drilling operations by using cloud-based time-domain simulations performed with a digital twin of a semi-submersible drilling rig. A digital twin...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29415-MS
... The wide-scale deployment of analytics to support the well construction processes based on rig data has opened a host of opportunities to improve performance, quality, and safety at all levels in the offshore drilling industry. As automation and high-stakes decision making starts to rely more...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-29063-MS
... the extended flowing and buildup periods. Finally, the key results of the DST are highlighted that underpin the development concept for the Tortue field. bridge plug liner drillstem/well testing rig requirement packer tester valve completion packer kosmos mauritania test string execution...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28742-MS
... conventional sensors on the rig. However, to gain further insight into the source of operational inefficiencies it is beneficial to breakdown the overall drilling connection process into smaller sub-processes and quantify the time spent doing each. Current sensor technology does not allow us to easily measure...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28805-MS
... observers both at the operator's facilities and on the premises of a service provider. Data was streaming on to the screens of both observing parties less than one second after the event took place on the rig. This compares to lag times of 15 to 20 seconds using polling methods. The bandwidth usage...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28816-MS
... The objective of this paper is to present a methodology for determining tripping performance at multiple levels of detail. Looking at it from the highest level of a rig fleet, then a singular rig, and its well construction process, then individual machines, machine states and finally specific...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27555-MS
... riser system. Introduction Drilling riser that connects floating rig and subsea wellhead is the critical and weak equipment in deepwater drilling operation. There are many series of guideline that help engineer design the right drilling riser stack 2 OTC-27555-MS suit the demand of drilling operation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27592-MS
... services in the contract with the supplier of Drilling Rig Services. Consequently, when the Operating Company invited suppliers of drilling and well services to bid for the Johan Sverdrup contract, one of the guiding objectives was: Integrate as far as possible while maintaining focus on maximizing...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27584-MS
... Awareness of the challenge with lower available Wellhead fatigue life has increased as the Oil and gas industry has gained more knowledge through advanced analysis and tests. Loads on Wellhead are influenced by movements from drilling rig transferred through Marine Riser and BOP. These loads...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 1–4, 2017
Paper Number: OTC-27618-MS
... buildup, or cement stringers. Other considerations are the limitations of the rig and its ability to apply the force needed to pull a long string of casing. Removing stuck or lengthy sections of casing typically requires multiple cut-and-pull attempts as well as high-capacity rigs capable of pulling high...

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