1-20 of 38
Keywords: amplitude
Close
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 8–12, 2021
Paper Number: SPE-204024-MS
... Abstract This study investigates the impact of induced low frequency axial excitations on drilling actions of Polycrystalline Diamond Compact (PDC) bits. Variations in drilling efficiency have been documented through a series of experiments at different intensities (frequency and amplitude...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199680-MS
... costs, and increase the drilling efficiency and performance. drillstring design modeling drilling parameter torsional vibration real time system frequency pre-job modeling amplitude drilling operation tangential acceleration downhole tool reliability torsional oscillation vibration...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199634-MS
... drilling applications found in North America Land and other areas. Artificial Intelligence directional drilling systems and equipment Upstream Oil & Gas bit selection bit design frequency drilling operation drillstring design Drilling Equipment cutter rpm variation torque amplitude...
Proceedings Papers

Paper presented at the IADC/SPE International Drilling Conference and Exhibition, March 3–5, 2020
Paper Number: SPE-199642-MS
... shows the interaction in the context of stability measures that are determined by the operational parameters. The increased rotary speed in the slip phase of stick/slip can lead to a stabilization of HFTO and actually decreasing amplitudes. The observations in the field are further validated using...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194071-MS
... position. In the proposed approach, the dynamic torsional torque is used in addition to the tangential acceleration measurement. The frequency information of both measurement signals are determined and an analytical model is used to calculate the maximum value of vibration amplitudes that occurs along the...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194076-MS
... contractors Drilling Conference wellbore tortuosity azimuth data inclination spe annual technical conference tortuosity index metric curve turn lateral section amplitude tortuosity SPE IADC Drilling Conference azimuth excessive tortuosity gaynor society of petroleum engineers Drilling a...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194074-MS
... Abstract A new LWD ultrasonic imager for use in both water- and oil-based muds uses acoustic impedance contrast and ultrasonic amplitude measurements to obtain high-resolution structural, stratigraphic and borehole geometry information. Following extensive testing in the Middle East and the US...
Proceedings Papers

Paper presented at the SPE/IADC International Drilling Conference and Exhibition, March 5–7, 2019
Paper Number: SPE-194133-MS
... axial oscillation tool Computation friction reduction expression Artificial Intelligence Upstream Oil & Gas displacement amplitude excitation force influence length drill string society of petroleum engineers drillstring design drilling operation axial vibration maximum displacement...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 6–8, 2018
Paper Number: SPE-189585-MS
... Figure 5 Oscillating stress profile with non-zero mean stress. where σ alt is the stress amplitude in the actual stress profile, σ mean the mean stress, σ ultimate the ultimate tensile strength, and σ equ the equivalent stress amplitude, which is used in the fatigue life...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 6–8, 2018
Paper Number: SPE-189600-MS
... N Figure 6 Analytical lumped-parameter model orbital plots drillstring design Upstream Oil & Gas SPE Drilling Conference drilling operation rotational velocity borehole amplitude backward whirl frequency drillstring dynamics whirl frequency Exhibition backward whirl...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 6–8, 2018
Paper Number: SPE-189710-MS
... drillstring design drillstring dynamics radial acceleration amplitude lateral acceleration sensor downhole tool frequency mitigation strategy acceleration amplitude Downhole equipment lateral vibration vibration backward whirl rotary speed Upstream Oil & Gas sensor signal coordinate...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 14–16, 2017
Paper Number: SPE-184663-MS
... between 2 nd and 3 rd layer. Notice that the axial transitions are constant in magnitude but changes in direction as the line shifts from one to the next layer level. In contrast, the radial crossovers "bumps" have the same direction and width but increase in amplitudes as the layer number increases...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 14–16, 2017
Paper Number: SPE-184711-MS
... Model calibration is common in the application of finite-element models ( Mottershead and Friswell, 1993 ). Especially difficult to model boundary conditions can lead to uncertainties in the derivation of natural frequencies and forced response amplitudes. Inaccuracies in the forced response...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference and Exhibition, March 14–16, 2017
Paper Number: SPE-184720-MS
... cement evaluation international association of drilling contractors halite formation ovality amplitude abandonment casing and cementing cement plug reduction silver lining cement bond guideline annular barrier As the oil and gas industry shifts its focus to the permanent plug and...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178819-MS
... whirl society of petroleum engineers interaction BHA amplitude compression resonance torque stick slip vibration stabilization spe annual technical conference modal coupling energy input drilling parameter Determining the root cause of drillstring vibration requires knowledge of...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 1–3, 2016
Paper Number: SPE-178869-MS
...-tortuosity when continuous/high-frequency gyro data is available. Directional Drilling well planning tortuosity index Upstream Oil & Gas real time system excess tortuosity amplitude Wellbore Quality society of petroleum engineers trajectory design wellbore tortuosity survey interval...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 4–6, 2014
Paper Number: SPE-168038-MS
... amplitude cement formulation ultrasonic tool validation media Cement System cement chemistry cement-based system cement hydration Fixture casing and cementing Thickness correlation evaluation requirement acoustic property iadc spe 168038 acoustic impedance cement evaluation The...
Proceedings Papers

Paper presented at the IADC/SPE Drilling Conference and Exhibition, March 4–6, 2014
Paper Number: SPE-168012-MS
... interface cement formulation thermal cycling temperature variation amplitude bonding annular cement sheath sensor cement sheath reservoir surveillance production control bonding percentage cement sheath integrity centralization standoff sample production monitoring temperature profile...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, March 5–7, 2013
Paper Number: SPE-163461-MS
... Fig. 3 Waveform example recorded in casing show approximate arrival windows in time for the different propagating modes. Fig. 4 Relative amplitudes of the first peak casing arrival (here identified as E1) in the case of both good and poor bonding. Poorly bonded casing has a lower...
Proceedings Papers

Paper presented at the SPE/IADC Drilling Conference, March 5–7, 2013
Paper Number: SPE-163549-MS
.... For well prepared simulation models, typical peak sustained pressure amplitudes at the gauges are on average within 10% of simulated values. In jobs where shock absorbers were used, residual deformations of crushable elements correlate well with predicted peak axial loads; which confirms that gunshock...

Product(s) added to cart

Close Modal