Results 21 to 30 of about 1,418 (251)
Los tipos de perforación ejecutados en el campo Amo son: perforación vertical, direccional y horizontal. El objetivo de este trabajo es analizar qué tipo de perforación conviene hacer en el campo Amo.
Carlos Portilla +2 more
doaj +1 more source
Application of Reaming Drill Bit in Horizontal Directional Well
The reaming drill bit wrapped with mud in long-distance horizontal directional well will lead to drilling time delay and trajectory deviation from the original wellbore.
LI Peng, MO Haitao, ZHANG Qiang, LI Zijian
doaj +1 more source
Construction and Application of Mathematical Model of Stable Fracture Development Zone of Roof
The fractured zone in the overlying strata of a coal mine goaf is vital for effective gas drainage. The development height of the fractured zone is lied on the “saddle type” theory and calculated by empirical formula, while the horizontal range is ...
Xinjian Li, Xiangjun Chen, Lin Wang
doaj +1 more source
The branch hole is the key to ensure the long-distance drilling of directional hole along the target stratum, improve the coverage of directional drilling and accurately explore geological abnormal bodies.
FANG Jun
doaj +1 more source
In order to solve the technical problems of accurate and fine geological exploration of mines and preliminary exploration of infrastructure projects, based on the deflection mechanism of rope coring straightening drilling trajectory, a combination of ...
Zujie ZOU
doaj +1 more source
The study discusses the issue of introducing drilling fluid (bentonite) into the environment during the construction of linear underground investments, considering the example of the construction of the high-pressure gas pipeline, Czeszów— ...
Urszula Kwast-Kotlarek +2 more
doaj +1 more source
To improve the prediction accuracy of tunnel excavation groundwater inflow, a prediction method based on a horizontal directional drilling geological survey is proposed.
Xialin Liu
doaj +1 more source
With the increasing application of milling technology in near-horizontal directional drilling stuck/buried drilling accidents in coal mines, the probability of second stuck/buried drilling accidents with milling tools increases.
WEI Hongchao +3 more
doaj +1 more source
Fiber‐reinforced liquid metal composites (FibRe LMCs) are introduced that combine GPa‐scale structural performance with digitally programmable electrical conductivity. Through automated CNC activation, conductive pathways and wireless power transfer circuits are fabricated directly within load‐bearing composites, enabling structurally integrated ...
John Joyce +5 more
wiley +1 more source
Optimization of Hole Cleaning In Iraqi Directional Oil Wells
Efficient cuttings transport and hole cleaning are very important factors for obtaining an effective drilling operation. In an inclined and horizontal drilling, hole cleaning issue is a common and complex problem.
Ayad A. Al-Haleem Abd Al-Razzaq, Ass. Prof. Dr. +2 more
doaj +2 more sources

