Introduction Why do we need to perform torque and drag analysis? Torque and drag removes superstition and reduces dependence on assumptions from well planning by taking into account all aspects of the plan from equipment specifications and formation properties. Changes made to specific components during planning is readily computed for the entire system. This allows Continue reading
A successful validation of Drillsoft® transient well model was carried during the drilling operation in deep-water well in West Africa. Using Pressure-While-Drilling (PWD – measurement of downhole annulus pressure and temperature) to compare the measured ECDs and static mud densities with hydraulic transient model predictions. This article present actual pressure and temperature data during drilling Continue reading
Question: How do you know is the MPD Operation matrix is “safe”? RCD Limit: 450 psi LOT: 13 ppg Min Influx allowed while drilling: 2 Bls* Max Influx allowed while drilling: 5 Bls* * Data as per company’s polices Answer: Run IME and check safe influx values. The objective Influx management Envelope (IME) is determine Continue reading
The code signing certificate acts as a digital signature, confirm the software author and guarantee that the code has not been altered or corrupted since it was signed. Eliminate “Unidentified Publisher” warnings. Code signing is widely used to protect software that is distributed over the Internet. Code signing does not alter it; it simply appends Continue reading
Generally in MPD/UBD operations and drilling companies use devices to measure flow in and flow-Out. The most common device nowadays for flow_out is a Coriolis flow meter (mass flow meter), because this technology is reliable and offer measurements not only flow but density, temperature among others. There exist a variety of these Coriolis flow meters Continue reading
Drillsoft is a platform for hydraulic applications and simulators for Dynamic Pressure Drilling (MPD/UBD) or conventional drilling.
The important effect of Temperature. Transient Temperature effect is very important in the accuracy of MPD/UBD calculations. Most people ignore this effect perhaps because they don’t have the right tools to calculate the transient effect, so many engineer just take the thermal gradient and use steady state formulas to calculate the bottom hole temperature. What Continue reading
MPD operation matrix helps us to manage the risk when an influx is taken during MPD operations. In the MPD operation matrix influx’s sizes are limited to surface equipment and detection capabilities, whereas the Influx Management Envelope (IME) quantifies them and go one step further and validate the data with well control simulation software. Why? Continue reading
Drillsoft has developed an ActiveX component that allow connect your own interface with our Hydraulic transient engine. This technology allows you design your own interface in any programing language. For instance, you don’t need to be MS-Excel expert to get a customize spreadsheet with tables and graphs. So you focus on your design how present Continue reading
Optimal Hole Cleaning Drilling fluid hydraulics and hole cleaning is an integral part of the practical processes required for planning and drilling a well. Optimization of cuttings transport depends on so many factors- hole angle, cutting size, drill string rotation, drill pipe eccentricity, optimization of bit hydraulics, ROP, hole cleaning pills, cuttings transport ratio, cuttings Continue reading
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