Results 171 to 180 of about 522 (199)

Laser as a toolbox for wood processing and functionalization. [PDF]

MRS Bull
Ding Y, Dreimol CH, Rouèche M, Stumpp A, Holtz R, Zhou C, Rojas OJ, Burgert I.   +7 more
europepmc   +1 more source

A portable, ultra-low cost, open-source, pedal-controlled microinjector for laboratory use. [PDF]

PLoS One
Dominguez VH, Frankfurter M, Hayes KB, Kahn ML, Dominguez MH.   +4 more
europepmc   +1 more source

Functional Nano-to-Microstructures by Jet Printing and Direct Ink Writing. [PDF]

Chem Rev
Luo J, Park JA, Baek S, Kim S, Jeong U, Jung S.   +5 more
europepmc   +1 more source

Study on the Feasibility of Enhancing Gas Extraction Efficiency Based on Hydraulic Flushing Combined with Gas Injection Displacement (HF-GID): Model Development and Numerical Simulation. [PDF]

ACS Omega
Yang X, Zhang Q, Tan F, Zuo Y, Zhang Y, Dong J, Du F.   +6 more
europepmc   +1 more source

Study on the Vibration Mechanism of Different Cutting Modes in Shallow Tunnel Excavation under Thermal Explosion Loading. [PDF]

ACS Omega
Bao X, Yao S, Wang W, Wei Q, Kang Y, Wei Y, Li Z.   +6 more
europepmc   +1 more source

Experimental study on the damage and failure mechanism of freeze-thaw filled fractured sandstone under uniaxial compression. [PDF]

Sci Rep
Ren J, Shen Y, Yun M, Wang R, Qin F, Huo X, Feng J.   +6 more
europepmc   +1 more source

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Field test of radial jet drilling technology in a surface formation

Journal of Petroleum Science and Engineering, 2022
Zhongwei Huang
exaly   +2 more sources

The self-propelled force model of a multi-orifice nozzle for radial jet drilling

Journal of Natural Gas Science and Engineering, 2015
Abstract Radial jet drilling (RJD) is an effective method for the stimulation, exploration, and development of oil and gas resources. The multi-orifice nozzle is a type of highly efficient nozzle applied in RJD. It generates the self-propelled force to pull a connected hose moving forward to form a radial hole.
Kewen Peng, Zhongwei Huang
exaly   +2 more sources

Well Productivity Improvement Using Radial Jet Drilling

SPE International Conference and Exhibition on Formation Damage Control, 2020
Abstract Radial Jet Drilling (RJD) is an unconventional drilling technique using the jet energy of high velocity fluids to drill laterals into the reservoir formation as an alternative to the traditional stimulation technique. In this subject case study, the productivity index in a Middle Eastern well had dramatically declined due to the
Rahman Ashena, Reza Mehrara, Ali Ghalambor   +2 more
openaire   +1 more source

Hydraulics Calculations and Field Application of Radial Jet Drilling

SPE Drilling & Completion, 2016
Summary Multilateral-horizontal-well drilling is an efficient approach for stimulating shallow, low-permeability, marginal, and coalbed-methane (CBM) reservoirs. Radial-jet-drilling (RJD) technology, which uses a high-pressure water jet, aims to drill tens of laterals from a vertical wellbore.
Wang Bin, Li Gensheng, Huang Zhongwei, Li Jingbin, Zheng Dongbo, Li Hao   +5 more
openaire   +1 more source