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Keywords: tool joint
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Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202082-MS
... for drill pipe the effect of tool joints is not taken into calculation. However, the small clearance between the casing coupling and the hole size is definitely creating an additional frictional pressure drop in comparison to the calculated which under normal circumstances taken into account the nominal...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 26–28, 2016
Paper Number: SPE-178220-MS
...) tubes with all three grades using 110 ksi SMYS tool joints for use in sour operations. However, these lower yield strength IRP grades have limited load capacity which restricts drilling parameters such as total depth (TD) and margin of overpull. The next higher yield stress grade available is the API...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference & Exhibition, October 7–9, 2013
Paper Number: SPE-166718-MS
... steel envelop, which allows a larger internal opening for improved hydraulics. Furthermore, these streamlined connections can also come with reduced Outside Diameter (OD) tool joints which help keep the Equivalent Circulation Density (ECD) as low as necessary to maintain formation integrity. Towards...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference & Exhibition, October 7–9, 2013
Paper Number: SPE-166741-MS
... The drillpipe assembly incorporates a tool joint that is typically manufactured from a forging and a friction weld that attaches the tool joint to the upset of the pipe body. This is the same manufacturing configuration that has been employed on drillpipe for decades and has been adapted...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, October 24–26, 2011
Paper Number: SPE-145787-MS
... drillstring design strength steel drill pipe tool joint application friction weld requirement intervention riser drilling operation weld area criteria drilling application rd gen Table 1 provides a summary of advanced material comparisons alongside S-135, Z-140, V-150 and UD-165 steel...
Proceedings Papers

Paper presented at the Middle East Drilling Technology Conference & Exhibition, October 26–28, 2009
Paper Number: SPE-125991-MS
... levels of power necessary to operate the drawworks, pumps, and top drive. The wires were so hot that when a diesel line feeding a generator came loose, the diesel ignited, and started a fire in the motor room which shut down the rig for several days. friction-reduction sub tool joint drilling...
Proceedings Papers

Paper presented at the Middle East Drilling Technology Conference & Exhibition, October 26–28, 2009
Paper Number: SPE-125323-MS
... internal shoulder offers an additional friction surface and mechanical torque stop. The primary external shoulder serves as the connection's sealing surface precisely as it functions on a standard API RSC. Upstream Oil & Gas under-balanced drilling drill pipe selection tool joint nd Gen...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, September 12–14, 2005
Paper Number: SPE-97368-MS
... through the connection. This could be even more challenging when the operation requires that the tool joint diameter be limited to allow fishability. Larger hole drilling dictates optimization of hydraulic in order to remove the cuttings efficiently and once again the geometry of the drill pipe...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference, October 22–24, 2001
Paper Number: SPE-72278-MS
... Abstract An experimental study has been conducted to investigate the effect of tool joints on the buckling/post-buckling behavior of drill pipes constrained in straight horizontal wellbores. Buckling/post-buckling behavior of drill pipes has been traditionally investigated using continuous...

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