Results 1 to 10 of about 972,039 (207)
Geofluids, 2022 Polycrystalline diamond compact (PDC) bits experience a serious wear problem in drilling tight gravel layers. To achieve efficient drilling and prolong the bit service life, a simplified model of a PDC bit with double cutting teeth was established by ...
Li-qiang Wang +5 more
doaj +3 more sources
Study on Mechanism of Stick–Slip Vibration Based on Torque Characteristics of PDC Bit
Applied SciencesStick–slip vibration (SV) of drill string systems is the main cause of fatigue failure of PDC bits under complex drilling conditions. Exploring its mechanism is helpful for identifying the causes of bit failure and developing preventive measures to ...
Lijun Li, Chunliang Zhang, Aixuan Wu
doaj +3 more sources
Prediction of formation abrasiveness under the action of a PDC bit based on the fractal dimension of a rock surface. [PDF]
Sci RepDuring rock drilling, a drill bit will wear as it breaks the rock. However, there is no uniform grading standard for rock abrasiveness. To solve this problem, the wear mechanisms of a polycrystalline diamond compact (PDC) bit and the formation it is ...
Wang C +6 more
europepmc +2 more sources
Development and application of hobbing-cone hybrid PDC bit
Geomechanics and Geophysics for Geo-Energy and Geo-Resources, 2023 In order to solve the problems of low ROP and short service life of the bit drilling in deep and hard formation, a new technology of hobbing-cone hybrid PDC bit which has combined the advantages of conventional PDC bit and the hobbing-cone is proposed in
Lian Chen +7 more
doaj +2 more sources
Journal of Petroleum Science and Engineering, 2021 Predicting the PDC bit performance during drilling operation is important for the cost effectiveness of the operation. The majority of PDC bits are assessed based on their performance that are relative to offset wells.
Iqbal Mohammed Mujtaba +2 more
exaly +2 more sources
Oil & Gas Science and Technology, 2021 The single-cone bit has become the first choice for slim hole sidetracking and deep well drilling with its unique rock breaking method and high ROP (Rate Of Penetration), with its main failure mode being of early excessive wear of the cutting teeth.
Kong Chunyan +3 more
doaj +2 more sources
Research status on rock-breaking mechanism and performance testing methods of PDC bit cutters
Jin'gangshi yu moliao moju gongcheng, 2023 Polycrystalline diamond compact (PDC) drill bits are one of the main rock breaking tools in drilling engineering. The performance indexes, such as rock breaking efficiency, wear resistance, thermal stability and impact resistance of PDC bit cutters, have
Yancao LI
doaj +3 more sources
Investigation of the Cross-Cutting Polycrystalline Diamond Compact Bit Drilling Efficiency
Shock and Vibration, 2021 The parallel track scraping principle of conventional PDC bits largely limits the cutting efficiency and working life in deep formations. Cross-cutting polycrystalline diamond compact (PDC) bit may be an efficient drilling tool that increases the rock ...
Chun-Liang Zhang +5 more
doaj +1 more source
Applied Sciences, 2023 As the depth of petroleum drilling increases, the strata environment becomes more complex. The efficiency and lifespan of Polycrystalline Diamond Compact (PDC) drill bits fail to meet current drilling demands.
Ze-Bing Wu +4 more
semanticscholar +1 more source
Bionic coupling polycrystalline diamond composite bit
Petroleum Exploration and Development, 2014 Bionic coupling polycrystalline diamond compact (PDC) was designed according to the biological coupling theory, its performance was evaluated by wear resistance experiment, and then the bionic coupling PDC bit was made and used in field drilling test ...
Ke GAO +5 more
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