Results 81 to 90 of about 3,718 (163)

Development and testing of alternative methods for speeding up the hydraulic data transmission in deep boreholes

open access: yes, 2019
For developing the available hydrocarbon reserves and for exploring new reservoirs, deeper and more complex wells are drilled. Drilling such deeper and complex wells requires a constant monitoring and controlling of the well paths.
Berro, Mouhammed Jandal
core  

Observer Design for a Wellbore Drilling System With Downhole Measurement Feedback

open access: yes, 2018
The increasingly complex oil and gas wellbore condition and the need of drilling in more challenging downhole environments motivate rising research on the drilling control system based on real-time state feedback or measurements from the bottom of the ...
Xingyong Song, Dongzuo Tian
core   +1 more source

Simulation and modeling of pressure pulse propagation in fluids inside drill strings

open access: yes, 2013
Modern bottom-hole assemblies are equipped with various sensors which measure the geological and directional information of the borehole while drilling.
Namuq, Mohammed Ali
core  

Infrasound detection of approaching lahars. [PDF]

open access: yesSci Rep, 2023
Johnson JB   +9 more
europepmc   +1 more source

Reviewing the state of biosensors and lab-on-a- chip technologies: opportunities for extreme environments and space exploration. [PDF]

open access: yesFront Microbiol, 2023
Cinti S   +10 more
europepmc   +1 more source

Chirp based signal modulation for mud pulse telemetry

open access: yes
The proposed system uses a chirp-based wide band signal modulation to spread information across the entire mud pulse ...
Baker Hughes Company
core  

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