Sentence examples for circulating pressure from inspiring English sources

Two phase flow through annulus is a complex area of study in evaluating the bottom hole circulating pressure (BHCP).

Moreover, based on a heat transfer model solved by finite difference methods, this paper studied wellbore and formation temperature fields during horizontal drilling when heat sources (circulating pressure drops and mechanical friction) are considered.

Based on deepwater borehole temperature profile, choke manifold and annulus circulating pressure loss, the calculation model of volume kick tolerance was established under the constraint of the pressure-bearing capacity of the formation at the casing shoe, resistance to internal pressure of casing, blowout preventer (BOP) and choke control.

This article describes the calculating methods of formation pressure, collapse pressure, circulating temperature, saturation vapor pressure and mud circulating temperature in high temperature geothermal wells, it can offer reference data for the design of drilling fluid, bottom hole assembly (BHA), well control equipment.

Open image in new window Fig. 3 Onset of fluid circulating and pressure wave traveling through drill string and annulus.

In this study, a bolus of 4 mL/kg over 5 min was the smallest volume that could reliably increase the mean circulating filling pressure and make fluid challenge interpretable in every circumstance [86].

Recently, some authors sought to determine the smallest volume of fluid required to perform an effective fluid challenge by investigating the effects of different doses of intravenous fluids on changes in cardiac output (as measured by pulse contour analysis) and mean circulating filling pressure.

That set off a marathon of meetings and conference calls over the next two days, which kicked into even higher gear on Friday, when news of the talks began to circulate, putting pressure on Google to sign a deal before a rival bid emerged.

Solubility data were measured for carbon dioxide with a mole ratio 1.35 of octane to ethanol using a phase equilibrium loading re-circulating high-pressure type apparatus at pressures up to 100 bar and at temperature 75 °C.

The simulation was discussed in detail for the most important parameters: choke pressure, pumping pressure, bottom-hole pressure, and circulating flow rate.

For attending the oil-field engineering concerns, the drilling parameters discussed are as follows: choke pressure, pumping pressure, bottom-hole pressure, and circulating flow rate.