المؤلفون: Hongbo Zhao, Haixia Wu, Lina Shen, Zhitong Zhu, Yansheng Shan

المصدر: Petroleum Research, Vol 9, Iss 3, Pp 451-461 (2024)

مصطلحات موضوعية: Shale gas, Slim-hole drilling technology, Core drilling tools, Core drill bits, China, Oils, fats, and waxes, TP670-699, Petroleum refining. Petroleum products, TP690-692.5

وصف الملف: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2096249524000322; https://doaj.org/toc/2096-2495

URL الوصول: https://doaj.org/article/4296a0c06da54c8c89775efbc7c7496d

المؤلفون: Xingdong LIU, Dechen ZHANG, Yubo WANG, Xianyi GAO, Guoqing MA

المصدر: Jin'gangshi yu moliao moju gongcheng, Vol 44, Iss 4, Pp 485-494 (2024)

مصطلحات موضوعية: diamond thin-wall drill bits, opening and interlayer, positioning wheel, traveling wave vibration, Materials of engineering and construction. Mechanics of materials, TA401-492, Mechanical engineering and machinery, TJ1-1570

وصف الملف: electronic resource

Relation: https://doaj.org/toc/1006-852X

URL الوصول: https://doaj.org/article/cf6a156694674ead83ac66c8c7050f15

المؤلفون: Velusamy Masannan, Chinnappaiyan Anbalagan, Natrayan Lakshmaiya, Pankaj Kumar

المصدر: Engineering Proceedings, Vol 61, Iss 1, p 9 (2024)

مصطلحات موضوعية: kenaf fiber, PLA, sustainability, thrust force, drill bits, sliding speed, Engineering machinery, tools, and implements, TA213-215

Relation: https://www.mdpi.com/2673-4591/61/1/9; https://doaj.org/toc/2673-4591; https://doaj.org/article/1e78e9add71440dd9ae2f9731587d07e

الاتاحة: https://doi.org/10.3390/engproc2024061009
https://doaj.org/article/1e78e9add71440dd9ae2f9731587d07e

المؤلفون: Dennis Delali Kwesi Wayo, Sonny Irawan, Alfrendo Satyanaga, Ghulam Abbas

المصدر: Energies; Volume 16; Issue 10; Pages: 4185

مصطلحات موضوعية: synthetic-based mud, drill bits, Ansys Fluent, k-epsilon turbulence, ROP

وصف الملف: application/pdf

Relation: https://dx.doi.org/10.3390/en16104185

الاتاحة: https://doi.org/10.3390/en16104185

المؤلفون: Sur, Gökhan, Erkan, Ömer

المصدر: Engineering Computations, 2020, Vol. 38, Issue 5, pp. 2163-2187.

URL الوصول: http://www.emeraldinsight.com/doi/10.1108/EC-04-2020-0202

المؤلفون: Toshov, Javoxir¹, Mamatov, Murkhriddin²

المصدر: Asian Journal of Multidimensional Research (AJMR) 10(3):348-352. 2021

المؤلفون: Zha, Chunqing¹ chachunqing@163.com, Liu, Gonghui², Li, Jun¹, Li, Yumei¹, Xi, Yan¹, Guo, Boyun³

المصدر: Chemistry & Technology of Fuels & Oils. May2017, Vol. 53 Issue 2, p254-262. 9p. 2 Black and White Photographs, 3 Diagrams, 2 Graphs.

مصطلحات موضوعية: *PERFORMANCE of drill bits, *OIL well drilling, *ROTARY drilling, *SHEARING force, *BITS (Drilling & boring), *PETROLEUM engineering

المؤلفون: Jean Gustave Tsiagadigui, Benoit Ndiwe, Marie-Ange Ngo Yamben, Nzogning Fotio, Fabrice Ella Belinga, Ebenezer Njeugna

المصدر: Heliyon, Vol 8, Iss 2, Pp e08927- (2022)

مصطلحات موضوعية: Drilling, Bone, Drill bits, Temperature, Thermocouple, Science (General), Q1-390, Social sciences (General), H1-99

وصف الملف: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2405844022002158; https://doaj.org/toc/2405-8440

URL الوصول: https://doaj.org/article/b3b4d9ae804a4214aa55b4e1c24f7bab

المؤلفون: Kovačić, Ivan

المساهمون: Švaco, Marko

مصطلحات موضوعية: TEHNIČKE ZNANOSTI. Strojarstvo, TECHNICAL SCIENCES. Mechanical Engineering, bušenje, kost, temperatura, aksijalna sila, medicinska svrdla, industrijska svrdla, drilling, bone, temperature, axial force, medical drill bits, industrial drill bits

وصف الملف: application/pdf

Relation: https://zir.nsk.hr/islandora/object/fsb:11315; https://urn.nsk.hr/urn:nbn:hr:235:892418; https://repozitorij.unizg.hr/islandora/object/fsb:11315; https://repozitorij.unizg.hr/islandora/object/fsb:11315/datastream/PDF

الاتاحة: https://zir.nsk.hr/islandora/object/fsb:11315
https://urn.nsk.hr/urn:nbn:hr:235:892418
https://repozitorij.unizg.hr/islandora/object/fsb:11315
https://repozitorij.unizg.hr/islandora/object/fsb:11315/datastream/PDF

المؤلفون: Mufleh, Ahmad

مصطلحات موضوعية: erosion wear, steel drill bits, wear in drill bits, Tribology (Interacting Surfaces including Friction, Lubrication and Wear), Tribologi (ytteknik omfattande friktion, nötning och smörjning)

وصف الملف: application/pdf

الاتاحة: http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-107915

المساهمون: Fowley, M

المصدر: Conference: ASME US National Congress of Theoeretical and Applied Mechanics

وصف الملف: Medium: ED

URL الوصول: http://www.osti.gov/scitech/servlets/purl/970953

المؤلفون: Alexander А. Tretyak, Yuriy F. Litkevich, Konstantin A. Borisov

المصدر: Известия Томского политехнического университета: Инжиниринг георесурсов, Vol 330, Iss 12, Pp 135-141 (2019)

مصطلحات موضوعية: laboratory research, waste drill bits, pdc breakdowns, torsional vibrations, breakdown from the action of forces on the front face, breakdown from the action of forces on the back face, torsional wave, longitudinal wave, energy of inelastic impact, mineral exploration, Engineering geology. Rock mechanics. Soil mechanics. Underground construction, TA703-712

وصف الملف: electronic resource

Relation: http://izvestiya.tpu.ru/archive/article/view/2410/2130; https://doaj.org/toc/2500-1019; https://doaj.org/toc/2413-1830

URL الوصول: https://doaj.org/article/965986a128c64e6bb7faddc8ab45d95a

المساهمون: Thomas, J [Helmerich and Payne IDC (US)]

المصدر: SPE Computer Applications; (USA)

وصف الملف: Medium: X; Size: Pages: 14-17

URL الوصول: http://www.osti.gov/scitech/biblio/6469875

المساهمون: Arehart, R [Exxon Production Research Co. (US)]

المصدر: SPE Computer Applications; (USA)

وصف الملف: Medium: X; Size: Pages: 24-28

URL الوصول: http://www.osti.gov/scitech/biblio/6411236

المساهمون: Blauvelt, D

المصدر: Conference: Waste Management 2002 Symposium, Tucson, AZ (US), 02/24/2002--02/28/2002; Other Information: PBD: 28 Feb 2002

وصف الملف: Medium: ED; Size: 9 pages

URL الوصول: http://www.osti.gov/scitech/servlets/purl/835248

المؤلفون: Saurabh Tewari, Umakant Dhar Dwivedi, Susham Biswas

المصدر: Energies; Volume 14; Issue 2; Pages: 432

مصطلحات موضوعية: drill bits selection, imbalanced data, ensemble methods, petroleum data analytics

وصف الملف: application/pdf

Relation: https://dx.doi.org/10.3390/en14020432

الاتاحة: https://doi.org/10.3390/en14020432

المؤلفون: Król, Roman

مصطلحات موضوعية: optimization, shape optimization, gradient optimization, steepest descent method, Open CASCADE, drill bits, drill bit, milling, hand drills, hand drill, cutting tools, hand milling, metal drilling, matlab pde, structural static analysis

Relation: https://doi.org/10.5281/zenodo.11546747; https://doi.org/10.5281/zenodo.13365716; oai:zenodo.org:13365716

الاتاحة: https://doi.org/10.5281/zenodo.13365716

المساهمون: Raymond, D

المصدر: Conference: American Society of Mechanical Engineers' Energy Technology Conference and Exhibition, New Orleans, LA (US), 02/14/2000--02/17/2000; Other Information: PBD: 9 Nov 1999

وصف الملف: Medium: P; Size: 10 pages

URL الوصول: http://www.osti.gov/scitech/servlets/purl/750032

المساهمون: Livesay, B [Livesay Consultants, Encinitas, CA (United States)]

المصدر: Conference: Geothermal Resources Council annual meeting, San Diego, CA (United States), 20-23 Sep 1998; Other Information: PBD: [1998]

وصف الملف: Medium: ED; Size: 7 p.

URL الوصول: http://www.osti.gov/scitech/servlets/purl/656530

المؤلفون: Zlatko Botak, Katarina Pisačić, Marko Horvat, Damir Mađerić

المصدر: Tehnički Glasnik, Vol 12, Iss 1, Pp 1-4 (2018)

مصطلحات موضوعية: drill bits, drill point geometry, drilling, Technology

وصف الملف: electronic resource

Relation: https://hrcak.srce.hr/file/290080; https://doaj.org/toc/1846-6168; https://doaj.org/toc/1848-5588

URL الوصول: https://doaj.org/article/b9d57fa2c0264e71a5b5ac8f34cd0d42