... of data collection for a dull bit is updated. Considering the advancement of automation and digitization, digitizing the dull grading system would be the most useful goal. The proposed updated dull grading system would be a step towards digitization. revolution cutting structure dull...

.... Drilling performance calculation and results from the calibration to laboratory drilling data and validation to both laboratory and field data are shown. Additionally, including a velocity parameter in the drilling performance model reduced model error. modeling & simulation revolution wear...

.... For stable rotary drilling, the number of stress cycles can be calculated from the number of rotation revolutions within the interval. In the real-time fatigue monitor application, the actual drillstring revolutions measured at the surface can be used directly as the stress cycle. When severe downhole...

... structural integrity limit bit design structural limit overload interfacial severity revolution hard formation interface transition Drilling autodriller interbedded formation compressive strength reverse bit whirl vendor Why Interfaces are Hard to Drill If a PDC bit is run with high...

... the parameters are delivering mechanically efficient drilling. Its recommendations are consequently more robust against fluctuations in formation drilling properties, at least for the predominantly carbonate formations so far evaluated. Artificial Intelligence revolution bit selection Upstream Oil...

... fluid properties may both offer routes to increase penetration rates in salt. The current study does not, however, investigate directly the impact of fluid properties on the drilling process in salt. bit selection drilling fluid property drilling fluid selection and formulation revolution...

... the field average by over 70% in bit revolutions and 58% in footage. One of the primary constraints with roller-cone rock bits has always been bearing life. Traditional journal bearings and cylindrical roller bearings with ball-lock cone retention result in inherent play in the system, reducing bearing...

... penetrations per revolution in the rock, (b) kinematical relationships connecting the bit motion to the immediate borehole geometry, and (c) a BHA model relating the lateral forces and moments at the bit to the external loads and the deflections of the BHA imposed by the stabilizers ( Detournay 2009...

... operation management revolution spe iadc 163439 operation ternary chart technology roadmap automated equipment Introduction The optional rainbow bar at the bottom of Fig. 2 has been added to provide fuzzy descriptions of the level of computerization axis scaled in percent. It is provided...

... chemistry drilling fluid property revolution oil-based mud Upstream Oil & Gas Efficiency torque penetration roller-cone bit cesium formate drilling fluid formulation PDC bit Carthage Marble Crab Orchard sandstone drilling fluids and materials specific energy aggressiveness Manco Shale...

... results and to further improve ROP. In addition, a different bit design will be run for further potential ROP enhancement. Significant reduction of section time justifies the application of more sophisticated and more expensive tools on German land rigs to further reduce cost/ft. revolution bit...

... to the drillstring configuration and optimize parameters, prior to drilling the well, that eliminate the traditional "trial and error" approach and reduce operator risk. Artificial Intelligence system approach drilling system contact force revolution spe 99018 simulation snapshot Upstream Oil & Gas...

.... application iadc type 116 roller-cone bit metal-bearing seal se-mb bit hughes christensen iadc spe 59109 upstream oil & gas bit revolution green canyon reliability hole section operator bit selection drilling fluids and materials drilling fluid formulation drilling fluid property fluid...

... cutter simulator test revolution simulator bit selection penetration rate bit design whirl ftlhr Introduction PDC bit failure, particularly during the early life of the bit, is due in large part to bit vibration. Previous work 1 has established that some PDC bit vibration results from...

... like bit whirl. Brett uses an experimentally derived PDC bit model and a simple mass-spring model of the torsional drillstring motion. P. 227 penetration rate revolution torsional whirl drilling reactive upward force bit design frequency rotary speed dynamic behaviour penetration...

... warren revolution bottom hole pattern cutter loading drilling boundary modeling strength shale cutter force upstream oil & gas rotation imbalance force bit design whirl geometry bed boundary limestone bit selection nodule concretion Abstract PDC bit modeling has...

... in cone revolutions under typical operating conditions. This increase in cone revolutions may be utilized to increase rotating time, rotary speed or both. An example comparing various alternatives is provided. Data are also provided which show a much improved tolerance to high bottom hole temperatures...

... oilfield chemistry recommendation storage renew inhibitor black plastic month interval drilling equipment type inhibitor production chemistry protection inspect plastic volatile type inhibitor corrosion management unpainted surface grease type inhibitor revolution inhibitor IADC/SPE...