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Keywords: reduction
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Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204017-MS
.../Moored rig operating on a traditional preset mooring system in the North Sea with and without an RMS. These savings are achieved through significant reductions in AHTS Vessel time, MODU critical path time, and associated fuel and CO2e reductions during MODU mooring disconnection. Fig. 1 depicts...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204015-MS
... considerably, both along the section length and from the narrow to the wide side of the annulus in the casing sandwich sections. The sealing quality of the cement sheath measured by pressure testing could be correlated with the log response. We observed a nearly linear reduction in seepage rates when...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204100-MS
... to another well also exposed to challenging trajectory context (ERD 2 with reduced target 25 × 50 m at almost 8000m MD/RT). It confirmed that the achievable uncertainty reduction would meet well objectives without adding any risk or operational time nor jeopardizing wellbore positioning and collision...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199570-MS
..., such as reduction of key mechanical properties (e.g. Young's modulus, yield and ultimate tensile strengths, etc.) and substantial strain rate effects at temperatures representative of HPHT conditions. Calculations using analytical equations provide a quantitative estimation of critical load thresholds, beyond which...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199577-MS
... for new wells as well as recommended monitoring and action plans. Reservoir Characterization salt creep boundary condition reduction hydrostatic pressure casing and cementing collapse resistance strength pipe ovality casing design salt loading diameter loading Upstream Oil & Gas...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199573-MS
... Abstract The world's first hybrid drilling rig began commercial operations on July 1 st , 2018. Significant fuel savings and emissions reductions were achieved by implementing a hybrid Energy Management System (hEMS). The hEMS uses battery energy storage and engine automation to reduce...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199684-MS
... on the lunar poles, which will be essential in planning the manned and robotic lunar missions in the coming years. machine learning Artificial Intelligence Upstream Oil & Gas US government drillstring design analog sample lunar pole reduction water content classification algorithm optimum...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194169-MS
... wells, especially while slide drilling. This paper discusses the use of as-drilled well data to assess the individual and collective effects of these drag-reduction methods. Prior to drilling the wells, these methods can be used in torque and drag engineering software models to more accurately predict...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 6–8, 2018
Paper Number: SPE-189604-MS
... the well barrier performance. Based on the load-capacity model, failure occurs whenever the load exceeds capacity of the system. This paper presents a method of predicting failure of a production casing that undergoes reduction in strength due to wear during drilling, stress and hydrogen induced...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 6–8, 2018
Paper Number: SPE-189638-MS
... cutter footage aggressiveness Artificial Intelligence Efficiency PDC cutter reduction cutter geometry application standard planar cutter non-planar geometry Upstream Oil & Gas non-planar cutter torque new non-planar geometry penetration geometry new non-planar geometry cutter new...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 6–8, 2018
Paper Number: SPE-189690-MS
... of the WCST does not facilitate this task; and the results can lead to a potentially non-conservative conclusion. This paper discusses the impact of temperature and tension on WCD loads and how to use the WCST more accurately. casing design pore pressure Screening safety factor reduction Upstream...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 6–8, 2018
Paper Number: SPE-189667-MS
..., although having a slight improvement versus the other test bits, it had the largest reduction in agressiveness ( Fig. 10 ). As we wanted to minimize the efficency loss and the losses in aggressiveness, test bit 2 was ruled out. It was determined that the low backrake was rubbing more on the formation...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 14–16, 2017
Paper Number: SPE-184683-MS
... at one depth in the well. In addition, this new method of ECD control provides efficient hole cleaning at low flow rates, and enables torque and drag reduction due to buoyancy of the drill string. A shallow horizontal trial well was drilled onshore Alberta, Canada, March 2016, to verify the new...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 14–16, 2017
Paper Number: SPE-184720-MS
... barrier spe iadc-184720-m well logging mobile formation act abandonment operation cement evaluation international association of drilling contractors halite formation ovality amplitude abandonment casing and cementing cement plug reduction silver lining cement bond guideline annular...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 14–16, 2017
Paper Number: SPE-184635-MS
... drillstring design Upstream Oil & Gas fluctuation drilling operation axial vibration boundary condition AET vibration Nonlinear Simulation resonant behavior Exhibition excitation frequency linearized analysis Simulation reduction Magnitude Modern horizontal wells can extend tens...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 14–16, 2017
Paper Number: SPE-184733-MS
... trips for MWD failure, as well as significant reductions in MWD downtime while drilling. This paper discusses the implementation of remote operations, resulting lessons learned, and optimization opportunities. These lessons learned and optimization opportunities include the challenges of integrating...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178784-MS
... a combined 27% reduction in drilling time, and minimal non-productive time (NPT) with associated global cost savings of 39% compared to a large hole string design. Finally, this new approach in a still ongoing project along with the feasibility of extending it to other areas will lead to potential...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178897-MS
... concentrations of H2S encountered in the area. Abstract Drilling time and cost were reduced in the Eagle Ford through the implementation of techniques and processes that resulted in 52% improvement in time and 45% reduction in cost. The shale revolution sparked an aggressive development campaign...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178883-MS
... management practices including dewatering. The dewatering system provides a clean fluid by flocculating and removing solids with chemical and mechanical manipulations. Although beneficial for solids reduction, flocculation can have unforeseen ramifications. Lubricants, with surface coating qualities, have...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178863-MS
... resulting in poor MWD/LWD signal. A significant reduction in (hidden) flat time was found, since no time was spent waiting for (survey) data transmission, dealing with decoding issues or running tool diagnostics for example. Comparison of the ROP of the offset wells average against the wells drilled...

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