Cement sheath fatigue failure prediction by support vector machine based model
Zonal isolation is significant for safety operation of the well. Failure to keep wellbore integrity
can lead to sustained annulus pressure (SAP), and gas migration (GM), which may cause …
can lead to sustained annulus pressure (SAP), and gas migration (GM), which may cause …
Combined experimental and well log study of anisotropic strength of shale
Organic-rich shales have been contributing significantly to gas production in the US, led by
new developments in horizontal drilling and hydraulic fracturing techniques. Shales have …
new developments in horizontal drilling and hydraulic fracturing techniques. Shales have …
[HTML][HTML] Plug and abandonment of oil and gas wells–A comprehensive review of regulations, practices, and related impact of materials selection
This paper reviews the state of research in permanent barrier materials for plug and
abandonment of oil and gas wells to identify key strengths and weaknesses of each barrier …
abandonment of oil and gas wells to identify key strengths and weaknesses of each barrier …
Experimental Study on the Performance of Frictional Drag Reducer with Low Gravity Solids
Y Jia, J Lei - Innovations in Applied Engineering and Technology, 2024 - ojs.sgsci.org
Reducing energy consumption during drilling operations is beneficial to both the
environment and economy. Frictional drag reducers (FDR) are widely used to reduce the …
environment and economy. Frictional drag reducers (FDR) are widely used to reduce the …
Identifying the Robust Machine Learning Models to Cement Sheath Fatigue Failure Prediction
The main goal of cementing is to provide reliable zonal isolation throughout the life of a well.
The integral of cement protects the casing and prevents fluid formation from migration. This …
The integral of cement protects the casing and prevents fluid formation from migration. This …
Effect of Calcium Expansive Additives on the Performance of Granite-Based Geopolymers for Zonal Isolation in Oil and Gas Wells
Geopolymers have emerged as a promising alternative to Portland cement for oil and gas
wells. Achieving effective zonal isolation by use of geopolymers may require controlling their …
wells. Achieving effective zonal isolation by use of geopolymers may require controlling their …
Prioritizing Wells for Repurposing or Permanent Abandonment Based on Generalized Well Integrity Risk Analysis
Wells with compromised integrity can cause groundwater/soil contamination and increased
carbon emissions. Given that there are more than 3.7 million abandoned wells in existence …
carbon emissions. Given that there are more than 3.7 million abandoned wells in existence …
The Influence of Casing Eccentricity on Zonal Isolation
Eccentricity of the casing frequently exists in actual drilling process. This is one of the main
reasons responsible for poor mud and cement displacement. In such cases, zonal isolation …
reasons responsible for poor mud and cement displacement. In such cases, zonal isolation …
Experimental study of anisotropic strength properties of shale
Led by new developments of horizontal drilling and hydraulic fracturing techniques, organic
rich shales have been contributing significantly to a gas production in the US. In drilling …
rich shales have been contributing significantly to a gas production in the US. In drilling …
A deep learning approach for abnormal pore pressure prediction based on multivariate time series of kick
L Qingfeng, F Jianhong, P Chi, M Fan, Z Xiaomin… - Geoenergy Science and …, 2023 - Elsevier
After a kick occurs during petroleum drilling, the rapid and accurate prediction of abnormal
pore pressure is the basis for taking proper well control measures. In this work, we build an …
pore pressure is the basis for taking proper well control measures. In this work, we build an …