Directional Drilling Attitude Control With Input Disturbances and Feedback Delay
Sign Up to like & getrecommendations! Published in 2017 at "IFAC-PapersOnLine"
DOI: 10.1016/j.ifacol.2017.08.246
Abstract: Abstract This paper presents a general approach for the attitude control of directional drilling tools for the oil and gas industry. It extends the recent work where a kinematic bilinear model of the directional drilling… read more here.
Keywords: directional drilling; input disturbances; cbr controller; attitude control ... See more keywords
The formation and broken of cuttings bed during reaming process in horizontal directional drilling
Sign Up to like & getrecommendations! Published in 2018 at "Tunnelling and Underground Space Technology"
DOI: 10.1016/j.tust.2018.03.008
Abstract: Abstract Horizontal Directional Drilling (HDD) is an environment-friendly and high efficient method for underground utilities and pipelines crossing. The formation of cuttings bed, due to low Cuttings Transport Performance (CTP) in large-size HDD, has resulted… read more here.
Keywords: directional drilling; formation broken; formation; cuttings bed ... See more keywords
Development of a rapid field testing method for metals in horizontal directional drilling residuals with XRF sensor
Sign Up to like & getrecommendations! Published in 2021 at "Scientific Reports"
DOI: 10.1038/s41598-021-83584-4
Abstract: Portable X-ray fluorescence (pXRF) spectrometer allows fast in-situ elemental determination without wet digestion for soils or geological materials, but the use of XRF on wet materials is not well documented. Our objective was to develop… read more here.
Keywords: directional drilling; rapid field; moisture; drilling ... See more keywords
Rheological Properties of Clay-Based Drilling Fluids and Evaluation of Their Hole-Cleaning Performances in Horizontal Directional Drilling
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Pipeline Systems Engineering and Practice"
DOI: 10.1061/(asce)ps.1949-1204.0000475
Abstract: AbstractHole cleaning is a significant issue in well drilling, and this problem becomes more severe in horizontal directional drilling (HDD). One of the main functions of the drilling fluid is to t... read more here.
Keywords: directional drilling; properties clay; cleaning; rheological properties ... See more keywords
Simulation study of new directional drilling PDC bit used in coal mine
Sign Up to like & getrecommendations! Published in 2017 at "Geosystem Engineering"
DOI: 10.1080/12269328.2016.1246981
Abstract: Abstract During directional drilling, when drilling in hard and multi-interbedded formation, the ordinary flat-bottomed PDC bit wears seriously, in order to solve this problem, a new type of directional drilling PDC bit (straight angle drag… read more here.
Keywords: straight angle; directional drilling; bit; pdc bit ... See more keywords
Estimating the Influence of Geomagnetic Disturbances on the Trajectory of the Directional Drilling of Deep Wells in the Arctic Region
Sign Up to like & getrecommendations! Published in 2018 at "Izvestiya, Physics of the Solid Earth"
DOI: 10.1134/s1069351318040055
Abstract: At high latitudes, sporadic geomagnetic disturbances associated with geomagnetic storms introduce significant uncertainty in measurements by borehole inclinometers during the directional drilling of deep wells. Variations in the magnetic declination may lead to significant deviations… read more here.
Keywords: directional drilling; estimating influence; deep wells; geomagnetic disturbances ... See more keywords