Sentence examples for drilling circulation from inspiring English sources

A number of researchers have investigated the methods for predicting fluid temperature profiles in drilling circulation systems.

Rotary drilling reverse circulation (using either drilling mud or compressed air or gas) can be a useful alternative to direct circulation methods.

Wireline core retrieval during drilling fluid circulation,   3.

Fig. 6 Drilling fluid circulation system block diagram.

Wellbore trajectory control drilling fluid circulation system can be simplified as shown in Fig. 3 block diagram.

In a dynamic process such as production, injection or during drilling mud circulation, the down-hole temperature changes.

Temperatures just after the installation were lower than those recovered in the second and third periods due to the transient cooling effect of drilling mud circulation.

Effective use of cuttings and mud-gas monitoring, Wireline core retrieval during drilling fluid circulation, Reduction of contamination from drilling mud for valid deep-biosphere research, Maximization of industrial bore-hole logging and sampling technology, Development of deep borehole long-term observatories, and.

During drilling no lost circulation zones were encountered; however, permeable zones were interpreted from temperature profiles between 1700 and 1830 m.

Although the fracture system can increase the porosity and hence the initial oil in place, this causes the drilling fluid lost circulation.

Transient signals from drilling and mud circulation process can be excluded as the well was completed long in the past (Table 1).