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Drilling Vessel Chikyu: Status, Capabilities, and Current Operati [PDF]

open access: yesScientific Drilling, 2006
The Deep Sea Drilling Vessel Chikyu is a state-of-the-art drilling platform that can reach geological targets previously inaccessible to scientifi c drilling.
Yoshi Kawamura   +2 more
doaj   +1 more source

Analysis on Managed Pressure Response Time and Its Influential Factors in Deepwater Drilling

open access: yesShiyou jixie, 2023
In order to ensure the safety and efficiency of managed pressure drilling technology in deepwater, the characteristics and influential factors of managed pressure drilling response time in deepwater drilling were studied.Regarding the wellbore annulus ...
Tian Ye   +4 more
doaj  

An intelligent recoil controller for riser system based on fuzzy control theory

open access: yesInternational Journal of Naval Architecture and Ocean Engineering, 2022
Riser recoil control is a complicated nonlinear control problem. An intelligent control methodology is proposed to control the complicated riser recoil response based on fuzzy control theory. A dynamic nonlinear model of drilling riser/tensioner coupling
Xiuquan Liu   +6 more
doaj   +1 more source

IODP Expedition 319, NanTroSEIZE Stage 2: First IODP Riser Drilling Operations and Observatory Installation Towards Understanding Subduction Zone Seismogenesis [PDF]

open access: yesScientific Drilling, 2010
The Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) is a major drilling project designed to investigate fault mechanics and the seismogenic behavior of subduction zone plate boundaries.
Sean Toczko   +6 more
doaj   +3 more sources

An Analytical Procedure to Predict Transverse Vibration Response of Jack-Up Riser under the Random Wave Load

open access: yesShock and Vibration, 2020
Marine riser is a key equipment in offshore drilling operation, and failure of the riser can lead to drilling moratorium; in severe cases, it may cause oil and gas leaks.
Fengde Wang   +4 more
doaj   +1 more source

IODP Expedition 338: NanTroSEIZE Stage 3: NanTroSEIZE plate boundary deep riser 2 [PDF]

open access: yesScientific Drilling, 2014
The Nankai Trough Seismogenic Zone Experiment (NanTroSEIZE) is designed to investigate fault mechanics and seismogenesis along a subduction megathrust, with objectives that include characterizing fault slip, strain accumulation, fault and wall rock ...
G. F. Moore   +6 more
doaj   +1 more source

Proceedings of the Integrated Ocean Drilling Program 338: Stage 3: NanTroSEIZE Plate Boundary Deep Riser 2

open access: yes, 2014
<p>As part of the NanTroSEIZE program, operations during Integrated Ocean Drilling Program (IODP) Expedition 338 were planned to extend and case riser Hole C0002F, begun during IODP Expedition 326 in 2010, from 856 to 3600 meters below seafloor ...
Jurado Rodriguez, Maria   +42 more
core   +1 more source

Flow past a fixed and freely vibrating drilling riser system with auxiliaries in laminar flow [PDF]

open access: yes, 2021
Drilling risers used in oil and gas operations are subjected to external loads such as wave and current. One of the phenomena that arise from the external loads is the Vortex-Induced Vibration (VIV), which affects the performance of the riser due to ...
Musa, Mohd. Azlan   +4 more
core   +1 more source

Proceedings of the Integrated Ocean Drilling Program 344: Costa Rica Seismogenesis Project, Program A Stage 2 (CRISP-A2)

open access: yes, 2013
<p>The Costa Rica Seismogenesis Project (CRISP) was designed to elucidate processes that control nucleation and seismic rupture of large earthquakes at erosional subduction zones. The CRISP study area is located offshore the Osa Peninsula where the
Burkett, Ashley   +33 more
core   +1 more source

Proceedings of the Integrated Ocean Drilling Program 337: Deep Coalbed Biosphere off Shimokita

open access: yes, 2013
<p>Integrated Ocean Drilling Program (IODP) Expedition 337 was the first expedition dedicated to subseafloor microbiology that used riser drilling technology.
Lever, Mark A.   +29 more
core   +1 more source

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