Results 11 to 20 of about 972,039 (207)

Research progress of 3D printing PDC and PDC bit

open access: yesJin'gangshi yu moliao moju gongcheng, 2023
PDC bit has become the preferred type of drill bits in the field of oil and gas exploration. The ever-increasing performance requirements of PDC bits, especially the drilling efficiency, have brought great challenges to the drill bits. The improvement of
Jingjing WU   +5 more
doaj   +4 more sources

Optimization Design Method of PDC Bit Based on Impact Failure Mechanism

open access: yesShiyou jixie
To enhance the anti-failure capability of PDC bits and extend bit service life, the main impact characteristics of PDC cutters in different regions of the bit were investigated.
Shi Jiangang Liu Yingbiao Xi Chuanming Guo Yong Wu Desheng
doaj   +2 more sources

Working Load Characteristics of the PDC-Cone Composite Bit under Impact and Scraping

open access: yesShock and Vibration, 2020
The PDC-roller hybrid bit combines the cutting structure of a tricone bit with a PDC bit. It can achieve good results, breaking rock in directional drilling, drilling in inhomogeneous formations, and drilling in formations with high levels of hardness ...
Kuilin Huang   +4 more
doaj   +2 more sources

A study on PDC drill bits quality [PDF]

open access: yes, 2013
The quality of innovating PDC (Polycrystalline Diamond Compact) bits materials needs to be determined with accuracy by measuring cutting efficiency and wear rate, both related to the overall mechanical properties.
Gerbaud, Laurent   +4 more
core   +1 more source

Drilling bit PDC plates lifetime control

open access: yes, 2021
Актуальность исследования обусловлена тем, что в настоящее время разведка георесурсов без выполнения буровых работ практически невозможна. Основной объем буровых работ выполняется с использованием долот, армированных PDC-пластинами, которые, помимо этого,
Лубянова, Светлана Ивановна   +11 more
core   +1 more source

Technological providing of PDC drill bit quality

open access: yes, 2021
Дисертація на здобуття наукового ступеня кандидата технічних наук за спеціальністю 05.02.08 – Технологія машинобудування. – Тернопільський національний технічний університет імені Івана Пулюя, Тернопіль, 2021.
Пригоровська, Тетяна Олексіївна
core   +1 more source

Technique of PDC Bit Complexity Identification While Drilling Based on Surface Data

open access: yesShiyou jixie, 2022
Identification of downhole PDC bit complexities is one of the main challenges in drilling.Accurate identification of PDC bit complexities such as bit wear and stick-slip vibration is of great significance for improving drilling efficiency and defining ...
Chen Changchang   +5 more
doaj  

PDC bit optimization scheme for tight oil reservoirs in the Jidong Oilfield based on rock anti-drilling characteristics

open access: yesJournal of Petroleum Exploration and Production Technology, 2022
The tight oil reservoir rocks in the Jidong Oilfield are generally characterized by high hardness, strong abrasiveness, and extremely unevenness, which seriously reduce the drilling efficiency.
Xiao-Feng Xu   +6 more
semanticscholar   +1 more source

The Wear Analysis Model of Drill Bit Cutting Element with Torsion Vibration

open access: yesAdvances in Mechanical Engineering, 2015
Due to some deficiencies in the existing researches of cutting element wear of polycrystalline diamond compact (PDC) drill bit and to reduce the wear rate of cutting element of PDC bit, accurately illustrate the effect of tooth-distributing angle on ...
Jialin Tian   +7 more
doaj   +1 more source

Study on rock breaking mechanism of PDC bit with rotating module

open access: yes, 2020
In view of the problems of low ROP, short bit life and high energy consumption of bits in deep and difficult formations. Basing on the 360°rotating teeth and disc PDC bit, a rotating modular PDC bit is proposed. The rock breaking efficiency of the bit is
Y Liu (4702669)   +4 more
core   +6 more sources

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