Sentence examples for 1 drilling from inspiring English sources

Starting Feb. 1, drilling operators in Texas will have to report many of the chemicals used in the process known as hydraulic fracturing.

Conventional blasting operations include (1) drilling holes, (2) placing a charge and detonator in each hole, (3) detonating the charge, and (4) clearing away the broken material.

These unknowns are determined by a genetic algorithm that minimizes a function accounting for: (1) drilling, operational and maintenance costs, (2) target discharge and minimum drawdown (i.e., minimum aquifer vulnerability) and (3) technical feasibility of the solution.

Open image in new window Fig. 1 Mechanical structure of the air injection connector system (1 drilling mud, 2 air injection connector, 3 high-pressure hose, 4 casing connector, 5 casing coupling).

Table 1 Drilling parameters for each drill steel Bit size steel type Rotational rate (rpm) Penetration rate, mm/s (in./s)     15 (0.6) 28 (1.1) 36 (1.4) 43 (1.7) Bite depth, mm/rev.

Table 1 Drilling fluid composition on laboratory scale Material Quantity Units Distilled water 308 g Defoamer 0.33 g XC-polymer 1.20 g Biocide 0.2 g Starch 2.00 g KCl 97.6 g KOH 1.00 g Sodium sulfide 0.25 g CaCO3 (70 µm) 7.99 g Lubricant 6.58 g.

Open image in new window Figure 1 Drill tool.

For an average set of wall anchors, you will usually need 1 3/16 drill bit.

But by Friday, July 26, drilling stopped for about 18 hours because of a broken bit.

Enserco operates 193 Canadian service rigs and 30 drilling rigs in Canada.

This time, high prices have spurred drilling: there are 915 drilling rigs at work, up about 50percentt over last year.