Results 101 to 110 of about 180,798 (213)

Virtual Driller’s Operating System for Deepwater Drilling Based on Virtual Reality

open access: yesShiyou jixie, 2016
During domestic development of automated drilling equipment,if the control system software for each device shows error in the protection logic and trajectory solver,safety incident of device could be easily raised in joint debugging test.To address the ...
Lin Kang   +6 more
doaj  

Analysis of Drill String Coupled Vibration and Drilling Fluid Pressure in Downhole Section

open access: yesShiyou jixie, 2021
To address the problem of nonlinear coupled vibration of the drill string in the axial, lateral and torsional direction in the downhole section of deepwater drilling, a mathematical model of nonlinear coupled vibration of the drill string in the downhole
Liu Jing   +5 more
doaj  

Proceedings of the Integrated Ocean Drilling Program 346: Asian Monsoon

open access: yes, 2015
<p>Integrated Ocean Drilling Program (IODP) Expedition 346 drilled seven sites covering a wide latitudinal range in the body of water bordered by the Eurasian continent, the Korean Peninsula, and the Japanese Islands, as well as two closely spaced ...
Irino, Tomohisa   +33 more
core   +1 more source

Aspects of energy requirements for rock drilling [PDF]

open access: yes, 1974
Development of laboratory rock breakage techniques to relate energy and surface area produced by slow compression, drop hammer and stamp mill. A detailed study of laboratory rotary-percussive drilling in a wide range of rocks under different ...
Wootton, David
core   +2 more sources

Development of Domestic and Overseas Liner Drilling Technology

open access: yesShiyou jixie, 2018
Liner drilling can effectively address the drilling problems such as narrow drilling boundary, tight hole, well loss and wellbore instability, and reduce drilling time and operating cost, which is especially suitable for deepwater drilling and depleted ...
Wu Jinxia, Zhang Rui
doaj  

Limitations of extended reach drilling in deepwater

open access: yes, 2000
Due to the character of the original source materials and the nature of batch digitization, quality control issues may be present in this document. Please report any quality issues you encounter to digital@library.tamu.edu, referencing the URI of the ...
Akinfenwa, Akinwunmi Adebayo
core   +1 more source

Addressing Catastrophic Risks: Disparate Anatomies Require Tailored Therapies [PDF]

open access: yes
Catastrophic risks differ in terms of their natural or human origins, their possible amplification by human behaviors, and the relationships between those who create the risks and those who suffer the losses. Given their disparate anatomies, catastrophic
Zeckhauser, Richard J., Viscusi, W. Kip
core  

Proceedings of the Integrated Ocean Drilling Program 323: Bering Sea Paleoceanography

open access: yes, 2011
<p>Paleoclimate and paleoceanographic studies present opportunities to study the dynamics of the climate system by examining how it responds to external forcing (e.g., greenhouse gas and solar radiation changes) and how its interacting components ...
Onodera, Jonaotaro   +33 more
core   +1 more source

Petroleum exploration and production in Brazil: From onshore to ultra-deepwaters

open access: yesPetroleum Exploration and Development
The Santos Basin in Brazil has witnessed significant oil and gas discoveries in deepwater pre-salt since the 21st century. Currently, the waters in eastern Brazil stand out as a hot area of deepwater exploration and production worldwide.
Sylvia M C ANJOS   +2 more
doaj   +1 more source

Research and Application of Ridged Diamond Element Bit

open access: yesShiyou jixie, 2018
To address the problems of cylindrical PDC cutters like thermal wear, impact damage and balling and the required high WOB for conical cutters, the ridged diamond element drill bit technology is studied.
Feng Songlin   +3 more
doaj  

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