rock pressure

Lean very gently, a sort of gentle rocking pressure, or you might raise a bump at the lock.

She proceeded to take a D.Phil. in the same subject - specialising in petrology (rock pressures).

A rock pressure greater than the mud fluid will tend to cause rock fragments to spall as it is cut and can increase the drilling rate.

The rhythmic, rocking pressure of his mouth prized her lips apart so he could lick at their sensitive insides and tease the quivering tautness of her tongue.

By applying a rocking pressure up and down the key with the finger, a performer can slightly alter the vibrating length of the string itself, producing the vibrato quality known as bebung.

Northern Rock Pressure was mounting on Goldman Sachs to produce a financing package to push through a sale of Northern Rock and stave off nationalisation of the stricken bank.

The surface equipment of every natural gas well shall include such fittings as will enable a duly authorized officer of the Department to test the rock pressure or working pressure of a gas well at any time.

Research projects shall also aim to achieve scientific and technological progress with a view to gaining a better understanding of the behaviour and control of deposits in relation to rock pressure, gas emissions, the risk of explosion, ventilation and all other factors affecting mining operations.

The lessee of a petroleum and natural gas location at such times and in such manner as the Director may direct shall take a gauge of the volume and rock pressure of all wells producing natural gas on the location and shall forward the report of such tests to the Branch.