Zobrazeno 1 - 5
of 5
pro vyhledávání: '"Feilong QU"'
Publikováno v:
Jin'gangshi yu moliao moju gongcheng, Vol 43, Iss 1, Pp 14-22 (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 improvemen
Externí odkaz:
https://doaj.org/article/15d89880fc0f4d8eba3cc22bdb54e3d5
Publikováno v:
Journal of Failure Analysis and Prevention. 19:1135-1143
To decrease polycrystalline diamond compact (PDC) cutter abrasion and improve the PDC bit’s drilling performance, based on the academic analysis, a series of rock cutting experiments were made on a lathe with a single PDC cutter to understand bette
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f949029c0070eb7022ada397423607b
https://doi.org/10.1007/s11668-019-00714-x
https://doi.org/10.1007/s11668-019-00714-x
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 82:199-207
In order to improve the efficiency of drilling hard rock formation, the matrix structure of diamond-impregnated bit is designed as grid shape, and the basic parameters of this diamond-impregnated bit with grid-shaped matrix is theoretical analyzed. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ce66144fa315610301d0806467565a92
https://doi.org/10.1016/j.ijrmhm.2019.04.017
https://doi.org/10.1016/j.ijrmhm.2019.04.017
Publikováno v:
International Journal of Refractory Metals and Hard Materials. 89:105212
In order to improve the rock-breaking efficiency in hard rock formations, this paper presents an impregnated diamond bit with a special matrix structure. The grid-shaped matrix is designed to achieve large volume breakage so that the rock breaking ef
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b348e44d38913b1d080d4618c10619c8
https://doi.org/10.1016/j.ijrmhm.2020.105212
https://doi.org/10.1016/j.ijrmhm.2020.105212
Publikováno v:
Journal of Natural Gas Science and Engineering. 75:103159
To evaluate the crack initiation and propagation behavior during pulsating hydraulic fracturing (PHF) process, lab tests on PHF of coal samples were performed by using a self-developed true triaxial testing system. The results demonstrate that: the c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bdeb9ca51ac030a1359c79f49ad1f06e
https://doi.org/10.1016/j.jngse.2020.103159
https://doi.org/10.1016/j.jngse.2020.103159