A sample listing of some popular accounting and ERP systems that include at least some levels of drillability
is shown below.
This paper concentrates on ROP estimation using bit type and its properties, mud type and mud viscosity, formation parameters such as rock strength, formation drillability
, and formation abrasiveness, and some critical drilling equipment operational parameters such as pump pressure, WOB, and rotary speed based on the previous drilled wells data with the ELM and USA model.
Keywords: Sonic log, Uniaxial Compressive Strength, Schmidt Hardness, Drillability
, Bit Selection, IADC Table.
Hard Rock Boring -- Drillability
Statistics of Drillability
Many factors influence penetration rate, and as metrics become further removed from the technical aspects of drillability
, additional factors influence the performance measures.
As far as drillability
goes, the Micra is first class.
blast designs made in the field based on drillability
results and fragmentation requirements
is an auditor's dream tool, allowing users to instantly trace any amount through the accounting system to ascertain its origin.
The most well-known indicator of drillability
is the Drilling Rate Index, a relative measure of penetration rates in a given rock type.
Viamat's advantages in circuit boards and chip carriers included low CTE for dimensional stability, an ultrasmooth surface, enhanced drillability
, higher interconnect density and process capabilities.
A New Approach to Interpreting Rock Drillability
, Oil and Gas Journal, April 1965
1996) we have pointed to an ambiguity in the relation between the momentary drilling speed and the so called compression strength of rocks, which is used by many schools as a value by which the rock's drillability
can be characterised.