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Drilling Cost Lite

Drilling Cost Lite
  • #: 227680
  • Price: free ($0.00) In Apple Store
  • Category: Productivity
  • Updated: 2011-02-12
  • Current Version: 1.0
  • 1.0
  • Size: 0.30 MB
  • Language: English
  • Seller: Carlos Moura
  • Requirements: Compatible with iPhone, iPod touch, and iPad. Requires iOS 4.0.1 or later.
  • © CAFM
  •  Add to Favorite apps

 

Description

The Drilling Cost provides to the drillers, toolpushers, drilling engineers, students and other professionals in the petroleum industry a productivity tool helpful in drilling operation to calculate the drilling cost per length unit drilled, analize of drill bit performance and to use in planning phase of oil wells.

Formula:

Drilling Cost = (Bit Cost + Rig Cost x (Drilling Time + Trip Time)) ÷ (Length Drilled)

Drilling Cost => drilling cost $ per length unit ($/ft, $/m)

Bit Cost => bit cost, $

Rig Cost => rig cost per hour, $ / hour

Drilling Time => total drilling time, hour

Trip Time => trip time, hour

Length Drilled => total length drilled by drill bit, ft or m

The Advanced Feature:

This application provides an advanced feature that is the modeling of data Drilling Cost vs. Drilling Time using quadratic regression. The minimum point of the parable may correspond to the operation time of the drill bit, where will occur the minimum cost. The more the R squared is close to 1, the result will be better.

Quadratic regressions:

1) Drilling Cost = c + b (LD) + a (LD)*(LD), LD = total Length Drilled by the dril bit

2) Drilling Cost = c + b (DT) + a (DT)*(DT), DT = total drilling time by the drill bit

Multiple Files for full versions only:

The user can work with multiple files that must correspond to the drill bits used in each phase of drilling.

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The information may be outdated (2011-04-29 04:28:22). For actual information go to iTunes

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