Results 71 to 80 of about 504,172 (167)

Wellbore Stability Prediction Model for Complex Reservoirs: Application to the Bozi Gas Field in the Tarim Basin

Energy Science & Engineering
The primary objective of this paper is to propose a method for predicting the safe mud weight window within the Bozi gas field situated in the Tarim Basin and establish a 3D wellbore stability model.
Yingjun Liu, Chenggang Xian, Hui Zhang, Guoqing Yin, Ke Xu, Zhimin Wang, Houjun Li, Zhong Shibo   +7 more
doaj   +1 more source

Wellbore Instability Prediction Using Adaptive Analytics and Empirical Mode Decomposition

, 2018
Wellbore stability is one determining factor to the success of drilling operations. A multitude of wellbore stability issues may still be encountered, despite all previous knowledge and experience, when drilling a certain formation.
Abraham Lin, Mohammed Alali, Salahaldeen Almasmoom, Robello Samuel   +3 more
core   +1 more source

Prediction of the Optimal Drilling Mud Weight Based on the Normalized Yielded Zone Area (NYZA) in One of the Iranian Oil Fields

Walailak Journal of Science and Technology, 2013
Hole problems experienced during the drilling phase of operations are often the consequence of mechanical wellbore instability. This leads to higher than necessary drilling costs.
Mohamad HEIDARIAN, Mahin SCHAFFIE, Hosein JALALIFAR, Saeed JAFARI   +3 more
doaj   +1 more source

Effect of single straight, intersecting and T-shaped natural fractures on horizontal wellbore stability in shale reservoirs

Journal of Petroleum Exploration and Production Technology
The development of natural fractures can easily lead to horizontal wellbore instability caused by stress concentration after drilling in shale reservoirs, which is not conducive to the safe development of shale gas, but how different natural fractures ...
Xiaoming Wang, Junbin Chen, Hao Wang, Yifan Luo   +3 more
doaj   +1 more source

Real-Time Wellbore-Drilling Instability in Naturally Fractured Rock Formations with Field Applications

, 2010
Overcoming wellbore drilling instability in fractured-rock formations always presents one of the major challenges to drilling engineers. Due to different fluid-diffusion rates and compressibility degrees between the rock’s matrix and fracture network ...
Vinh X. Nguyen, Younane N. Abousleiman
core   +1 more source

The influences of perforation parameters to wellbore instability and sand production [PDF]

, 1998
This paper presents a series of laboratory experiment had been performed to see the influences of perforation parameter to wellbore instability and sand production.
Subbiah, S. K., Samsuri, Ariffin
core  

Investigation of Wellbore Instability in Southern Rumaila Oil Field [PDF]

This study aims to address the issue by providing valuable insights into the factors contributing to the wellbore instability and proposing effective measures to mitigate the problem in the southern part of the Rumaila oil field.
Martin Klempa, Ali F. Zaidan, Farqad A. Hadi   +2 more
core   +1 more source

Benjamin-Feir instability of Stokes waves [PDF]

, 2023
This thesis presents significant contributions to the mathematical comprehension of the Benjamin-Feir instability in water waves in full agreement with the existing numerical findings and extending the analytical literature.
VENTURA, PAOLO
core  

An intelligent algorithm for identifying dropped blocks in wellbores

Natural Gas Industry B
Real-time monitoring of wellbore stability during drilling is crucial for the early detection of instability and timely interventions. The cause and type of wellbore instability can be identified by analyzing the dropped blocks brought to the surface by ...
Qian Wang, Zixuan Yang, Chenxi Ye, Wenbao Zhai, Xiao Feng   +4 more
doaj   +1 more source

Simulation of Wellbore Stability during Underbalanced Drilling Operation

Journal of Applied Mathematics, 2017
The wellbore stability analysis during underbalance drilling operation leads to avoiding risky problems. These problems include (1) rock failure due to stresses changes (concentration) as a result of losing the original support of removed rocks and (2 ...
Reda Abdel Azim
doaj   +1 more source