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Keywords: drill string
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Proceedings Papers

Paper presented at the SPE Offshore Europe Conference and Exhibition, September 8–11, 2015
Paper Number: SPE-175456-MS
... because ship and drill-string motion due to wind, currents and waves affect the quality of the drilling process, robotic drill rigs are currently more widely used. The following paper describes the MeBo200 as a novel underwater drill rig for geotechnical/geological explorations. The MeBo200 drilling rig...
Proceedings Papers

Paper presented at the SPE Offshore Europe Oil and Gas Conference and Exhibition, September 3–6, 2013
Paper Number: SPE-166592-MS
... Abstract Previous theoretical formulations for sinusoidal and helical buckling of drill strings vary significantly and are mostly proposed for frictionless pipes without tool joints. Finite element analysis (FEA) methods have the ability to consider geometric details and large deflections...
Proceedings Papers

Paper presented at the SPE Offshore Europe Oil and Gas Conference and Exhibition, September 6–8, 2011
Paper Number: SPE-145599-MS
... Abstract The Reelwell Drilling Method (RDM) is a multi-purpose system incorporating a unique flow arrangement. It employs conventional drillpipe into which is fitted an inner string to form a concentric drill string. This arrangement allows the return fluid containing drill cuttings from the...
Proceedings Papers

Paper presented at the SPE Offshore Europe Oil and Gas Conference and Exhibition, September 6–8, 2011
Paper Number: SPE-145566-MS
... circulation enables significant risk reduction when addressing well control incidents. Highly reliable tools placed up to 2,500 meters apart establish the acoustic telemetry network within existing drill strings and in conjunction with all bottom hole assembly components. It is virtually transparent to all...
Proceedings Papers

Paper presented at the SPE Offshore Europe Oil and Gas Conference and Exhibition, September 8–11, 2009
Paper Number: SPE-123270-MS
... fluid future development annular pressure drilling different sector ROP UBD technology Drilling mud loss complete loss underbalanced drilling circulation formation damage drilling problem reservoir drill string society of petroleum engineers Parsi oilfield SPE 123270 Utilizing UBD...
Proceedings Papers

Paper presented at the SPE Offshore Europe Oil and Gas Conference and Exhibition, September 8–11, 2009
Paper Number: SPE-124150-MS
... application operator case study drill string society of petroleum engineers SPE 124150 Case Study of Down-hole Tool Development to Deploy Sand Screens in ERD Wells, Extending the Boundaries, Saving Opex, Reducing Risk and Improving Operational Efficiency Doug Gillespie and Keith Bradford, Caledus Ltd...
Proceedings Papers

Paper presented at the SPE Offshore Europe Oil and Gas Conference and Exhibition, September 8–11, 2009
Paper Number: SPE-124891-MS
... Abstract The Reelwell Drilling Method is developed to improve the capability to drill wells through difficult pressure zones, to solve hole cleaning problems and to increase the ERD horizontal displacement. The method uses a concentric drill string and new downhole tools for improved downhole...
Proceedings Papers

Paper presented at the SPE Offshore Europe Oil and Gas Exhibition and Conference, September 6–9, 2005
Paper Number: SPE-96412-MS
... Abstract The feasibility of a new concept for drilling and lining of a well has been investigated. The patented concept is based on the use of a dual channel drill string, where one of the channels is used for the return flow from the well. A sliding piston in the annular downhole section of...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 9–12, 1997
Paper Number: SPE-38466-MS
... torque drill pipe coefficient society of petroleum engineers reach drilling limitation drill string drilling operation rodman reduction sub pipe torque loss dstr sub tool joint build section directional drilling pilot drilling control ltd side load spe 38466 upstream oil...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 7–10, 1993
Paper Number: SPE-26733-MS
... drill string which normally 'sits' in the bottom of the well, is normally taken up by the Drill String Compensator. The relative movement between the drill string and rig is bridged using a flexible rotary hose. In this situation, the rig heave will cause a variation in head, but this is quite...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 3–6, 1991
Paper Number: SPE-23048-MS
... effective tension. The capability of the drill string to react a portion of the bending load below the wellhead is ignored. Above the flexjoint, we can simulate the effect of the drill string by modelling the riser and drill string as a single equivalent pipe. The nett effective horizontal force therefore...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 8–11, 1987
Paper Number: SPE-16564-MS
... already proved to be feasable, although predicting angle building and controlling inclination and direction was critical. One big step forward was now done by developing the Articulated Drill String (ADS). Its principle results in a very good control of the well course and will be described in the paper...
Proceedings Papers

Paper presented at the SPE Offshore Europe, September 10–13, 1985
Paper Number: SPE-13995-MS
... string and drilling equipment during drilling operation. Normally the drawwork is powered by two or three motors mechanically connected. Mud Pumps: Large piston pumps pumping and circulating drilling mud (often called drilling fluid) into the well through the drill string. The drilling mud is used to...
Proceedings Papers

Paper presented at the Offshore Europe Conference, September 3–7, 1979
Paper Number: SPE-8170-MS
... such as the drill string of a drilling vessel was recognised as the optimum method of handling the hammer/follower/pile assembly. Pile/hammer stability calculations indicated the need for a sophisticated stabbing template to be pre-installed on the sea bottom if conventional unstabilized lowering...

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