Rate of penetration (rop):

Terms Related to Rate of penetration (rop)

• Drilling break

  1. A sudden increase in the drill bit's rate of penetration. It sometimes indicates that the bit has penetrated a high-pressure zone and thus warns ...

• Rotating head

  A sealing device used to close off the annular space around the kelly in drilling with pressure at the surface, usually installed above the main ...

• Double-post mast

  A well-servicing unit whose mast consists of two steel tubes. Double-pole masts provide racking platforms for handling rods and tubing in stands and extend from ...

• Gas-oil ratio

  A measure of the volume of gas produced with oil, expressed in cubic feet per barrel of cubic meters per tonne.

• Desilter

  A centrifugal device for removing very fine particles, or silt, from drilling fluids to keep the amount of solids in the fluid at the lowest ...

• Circulating rate

  Volume flow rate of circulating drilling fluid expressed in gallons or barrels per minute

• Mud weight

  A measure of the density of a drilling fluid expressed as pounds per gallon, pounds per cubic foot, or kilograms per cubic meter. Mud weight ...