نتایج جستجو برای: well drilling

تعداد نتایج: 1533568  

Journal: :Aspects in mining & mineral science 2022

Aspects in Mining & Mineral Science and Geological Features of Well Drilling Western Siberia Tatiana Nikolaevna Ivanova* Tchaikovsky Branch, Perm National Research Polytechnic Institute, Russia *Corresponding author:Tatiana Ivanova, Submission: August 01, 2022;Published: 16, 2022 DOI: 10.31031/AMMS.2022.09.000717 ISSN 2578-0255Volume9 Issue4

Journal: :Journal of the Japanese Association for Petroleum Technology 1994

Journal: :Computational Geosciences 2022

Abstract Radial Jet Drilling (RJD) is a stimulation technique to increase well’s performance through creation of multiple laterals up 100 m long. The has been used in the petroleum industry for several years and recently also geothermal reservoirs. Interpretation well tests with may become problematic if effect not correctly modelled. In this work it investigated what impact RJD on pressure tra...

Article presents results of study on possibility of increasing the efficiency of drilling directional straight sections of wells using screw downhole motors (SDM) with a combined method of drilling with rotation of drilling string (DS). Goal is to ensure steady-state operation of SDM with simultaneous rotation of DS by reducing the amplitude of oscillations with adjusting the parameters of dril...

2012
Ning Jing Honghai Fan Yinghu Zhai Tianyu Liu

With the development of petroleum informatization and increase of drilling data, data storage, analysis and integration is attached to the key planning process. Therefore, a solution is needed which combines the data integration, management, analysis and decision support. Data warehouse is one of the hot topics in computer technology application, which has solved the problem of data using after...

2013
Abhilash M Bharadwaj

With rapidly growing global demand for energy resources, oil and gas exploration & production companies face mounting pressure to maximize supply and increase the rate of discovery for new energy sources. Increasingly operating in more remote locations and investing heavily in equipment and facilities, companies face greater financial and operational risks than ever before. Optimization of dril...

2016
Seong-Yup Jeong Jong-Kil Kim Kwang-Bok Lee

RATIONALE Retrograde drilling is a well accepted procedure for osteochondral lesion of the talus and subchondral cyst with intact overlying cartilage. It has good results in most reports. Compared to anterograde drilling, retrograde drilling can protect the integrity of the articular cartilage. The purpose of this study was to evaluate the suitability of using retrograde drilling for osteochond...

Journal: :JCP 2011
Lin Li Qizhi Zhang Nurzat Rasol

This paper presents a time-varying sliding mode adaptive controller in order to handle the stick-slip oscillation of nonlinear rotary drilling system. The time-varying sliding mode controller with strong robust has two time-varying sliding surfaces, one of them induced time-varying integral sliding mode control can control the transient stage of the rotary drilling system and ensure the system ...

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