Sentence examples for drilling direction from inspiring English sources

It contributes to the determination of the hydraulic pressure and perforation orientation and drilling direction.

Drilling direction and limit angles are computed from an inverse projection of the limits of the pedicle on transverse and sagittal planes.

Drilling direction had only minor affect on the permeability measurements, the reduction in permeability by increasing hydrostatic stress appeared however to be controlled by the total volumetric strain.

The numerical model not only performs the effective stress and fluid pressure analyses, but also conducts the mud weight calculation and optimizes the drilling direction.

It was found that, the most stable drilling direction is along the minimum horizontal stress for the extensional stress regime, while it is along the maximum horizontal stress in the strike-slip and compressional stress regimes.

At a wellbore inclination of 20° the minimum mud density required for wellbore stability was found at azimuth 90° that represents drilling in the minimum horizontal stress direction as the safest drilling direction.

It is well known that torsional vibrations in oil well system affect the drilling directions and may be inherent for drilling systems.

Figure 5 shows the minimum overbalance pressure for different drilling directions based on the Mohr Coulomb, the Mogi Coulomb, the Modified-Lade and the Tresca criteria.

The difference in compressive strength was a factor 1.20 to 1.45 for the different drilling directions, while for the bulk modulus the difference was a factor 1.45 to 1.50.

The buttons are angled so be careful of your drilling directions.

Postoperatively, a quantitative analysis of the achieved drill direction was performed.