Sentence examples for two perforations from inspiring English sources

With the increase of the angle between two perforations, the wormhole around the cusp of perforations is more likely to form while the wormhole around the wellbore is restrained.

Two perforations (3.7%), one of which occurred in a different center, were seen during ES in our series.

Compared with colonoscopy, flexible sigmoidoscopy is less expensive and has a lower complication rate (approximately one to two perforations per 10 000 examinations)[ 6, 15].

As regards the number of perforations, in the 104 perforated patients, at initial laparotomy there was a single perforation in 59.6%, two perforations in 23.0%, and more than 2 perforations in 17.3%.

Three of them were very severe, with one traumatic unilateral enucleation, two blast eyes with intraocular haemorrhage, and two perforations with an intraocular foreign body, each resulting in partial or total loss of sight.

This paper presents the results of two perforation tests performed to investigate porosity and permeability damage in the crushed zone due to shaped-charge perforating in gas-saturated and liquid-saturated Berea sandstones.

In addition, we also introduced a criterion when calculating the mixing loss between two perforation holes.

The calculation method of frictional loss and acceleration loss between two perforation tunnels is expressed, respectively.

Two perforation location scenarios are investigated as well as both injection constraints, as shown in Table 2.

To get rid of singularity phenomenon, the central hole in the wall is chosen as the jth perforation's target point when calculating the distance between two perforation points.

Two perforation tunnels are inserted into the pay zones to simulate the initiation and propagation of hydraulic fractures, and both of them are located along the vertical wellbore axis.