Characterizing Rock-Breaking Performance of PDC Cutters via Stability Metrics and Energy consumption in FDEM Simulations

X Wang, H Zhang, Z Dong, J Li, C Qin, B Yang… - Scientific Reports, 2024 - nature.com
As oil production increasingly transitions from shallow to deep formation, the need for
efficient PDC cutters to drill through deep hard rock becomes paramount. Currently, there is …

Numerical investigation on the flow field characteristics of a new type of double-stage jetting PDC bit for deepwater shallow formations drilling

X Chen, M Jin, J Yang, D Gao, Q Yang, P Huang - Ocean Engineering, 2024 - Elsevier
In deepwater shallow formations jet drilling, traditional cone bit has problems such as short
service life, limited penetration depth, low rate of penetration (ROP) and long drilling cycle …

Laboratory Study on the Application of Reciprocating Multi-stage Reaming Drilling for Horizontal Wells in Tectonically Deformed Coal Seams

C Zhong, L Cao, J Geng, S Sang, B Chen… - Rock Mechanics and …, 2024 - Springer
The formation of boreholes in tectonically deformed coal (TDC) seams is challenging,
hindering the efficient exploitation of coalbed methane (CBM) resources. The reciprocating …

Investigation of the Responses of Drilling Parameters at Various Bit Rock Interactions and the Inter-Relation to Drilling Performance

ANA Abugharara, A Alwaar… - International …, 2024 - asmedigitalcollection.asme.org
Accurately understanding the recorded signals of the outcome drilling parameters, precisely
linking them to the applied parameters under the determined surface and downhole …

Experimental Investigation of the Influence of PDC Bit With Stinger on Drilling Performance Under Different Hole Cleaning Efficiencies

ANA Abugharara, I Futheiz… - International …, 2024 - asmedigitalcollection.asme.org
The original design of the hole opener was a stinger without a bit and was meant to guide
the hole along a previously drilling pilot hole and to keep drill cuttings from falling back into …

Flow Field Characteristics and Cuttings Removal Mechanisms of a New Type of Hybrid Bit with Central-Grooved Single-Cone & Multi-Blade

Y Zou, X Chen, D Gao - Available at SSRN 4988831 - papers.ssrn.com
The hybrid drill bit with central groove single cone & multi-blade (CSMHB) integrates the
advantages of PDC drill bits and cone drill bits, offering a novel solution to the challenges in …