Results 11 to 20 of about 972,039 (207)
Research progress of 3D printing PDC and PDC bit
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
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
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]
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
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
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
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
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
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
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

