Results 11 to 20 of about 180,798 (213)

Mechanisms of Low Temperature Thickening of Different Materials for Deepwater Water-Based Drilling Fluids [PDF]

open access: yesGels
During deepwater drilling, the low mudline temperatures and narrow safe density window pose serious challenges to the safe and efficient performance of deepwater water-based drilling fluids.
Jinsheng Sun   +2 more
exaly   +4 more sources

Drift-off warning limits for deepwater drilling platform/riser coupling system

open access: yesPetroleum Exploration and Development, 2016
The drift-off dynamic model of deepwater drilling platform and riser coupling system was established. An analysis method on drift-off warning limits of deepwater drilling platform and riser coupling system was proposed, and a deepwater drilling platform ...
Yuanjiang Chang   +2 more
exaly   +4 more sources

Research Progress on Recoil Analysis and Control Technology of Deepwater Drilling Risers

open access: yesEnergies, 2022
The deepwater drilling riser is a very important and vulnerable connection between an offshore platform and subsea wellhead. Under some certain complex marine environment and operating conditions, the offshore platform may drift beyond the safe ...
Yanbin Wang, Tian Luan
exaly   +3 more sources

Parameters optimization in deepwater dual-gradient drilling based on downhole separation

open access: yesPetroleum Exploration and Development, 2019
To ensure safe drilling with narrow pressure margins in deepwater, a new deepwater dual-gradient drilling method based on downhole separation was designed.
Tao Huang, Gonghui Liu
exaly   +3 more sources

Analyses and countermeasures of deepwater drilling riser grounding accidents under typhoon conditions

open access: yesPetroleum Exploration and Development, 2013
For deepwater drilling riser system facing grounding risk in the South China Sea, a mechanical analysis model of deepwater drilling riser grounding accident was established.
Yuanjiang Chang   +2 more
exaly   +3 more sources

Deepwater drilling problems [PDF]

open access: yes, 2009
Master's thesis in Petroleum ...
Kolade, Olawale
openaire   +2 more sources

The Reverse Risk Register Approach to Understanding Systemic Factors in Risk Analysis and Management Case Studies. [PDF]

open access: yesRisk Anal
ABSTRACT Although recent developments have improved clarity on the characteristics of high‐quality risk science, there is recognition that many of those characteristics relate to specific tasks taken by the risk analyst. However, the effectiveness of risk analysis and management often relies on both internal risk team activities and other external ...
Thekdi S, Aven T.
europepmc   +2 more sources

Simulation and Analysis of Multiphase Flow in a Novel Deepwater Closed-Cycle Riserless Drilling Method With a Subsea pump+gas Combined Lift

open access: yesFrontiers in Physics, 2022
Recently, deepwater resource exploration has grown rapidly. Because the conditions of marine environment and seabed geology are more complex, deepwater drilling needs to numerous confront challenges, such as more complicated wellbore situations, low ...
Jintang Wang   +13 more
doaj   +1 more source

Development and application of transient gas‐liquid two‐phase flow model considering sudden density change

open access: yesEnergy Science & Engineering, 2020
In deepwater drilling, accurate prediction of wellbore gas‐liquid two‐phase flow behavior is significant for gas kick detection and well‐control treatment.
Jiangshuai Wang   +5 more
doaj   +1 more source

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