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Keywords: receiver
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Proceedings Papers

Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31719-MS
... frequency particle receiver defect frequency range composite well band gap effect void amplitude offshore technology conference cement evaluation Introduction Background Cement serves an important role in securing and protecting wells for oil and gas production, fluid injection, carbon...
Proceedings Papers

Publisher: Offshore Technology Conference
Paper presented at the Offshore Technology Conference, May 2–5, 2022
Paper Number: OTC-31788-MS
... borehole receivers to the system to improve image focus and resolution. Our array acquisition system applies multiple electromagnetic methods as well as microseismic in ONE layout. This reduces operational cost and provides synergy between the methods. In a production scenario, using multi-component EM...
Proceedings Papers

Paper presented at the Offshore Technology Conference, August 16–19, 2021
Paper Number: OTC-31319-MS
... flexural measurement tool mechanical caliper tool thickness interface echo tie response geometry outer casing geometry offshore technology conference deformation interface attenuation receiver evaluation tie data wellbore view An advanced cement and casing evaluation service combine...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2020
Paper Number: OTC-30666-MS
... and shear slowness of the formation. These devices are able to transmit acoustic wave at different frequencies and receive them after propagation through a medium, applicable in cased hole condition. This paper presents a case study where the LWD Acoustic technology was successfully used to evaluate...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2019
Paper Number: OTC-29485-MS
... investigation software geophone array seabed frame laboratory seabed mode upstream oil & gas receiver scpt bender element orientation noise shear wave reservoir characterization penetration laboratory testing downhole mode scpt tool wave velocity ASTM D 4015-15e1 . 2015...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-28992-MS
... on porosity. A standard LWD sonic tool would have provided an average response to the formation within the zone of measurement, with the transit time for both compressional and shear effectively corresponding to the fastest route from transmitter to receiver. The azimuthal sonic tool however, measures...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2018
Paper Number: OTC-29021-MS
... in the next steps to further mature and de-risk the acoustically responsive cement technology for well integrity evaluation. casing and cementing upstream oil & gas transmission cement simulation acoustic response receiver well logging void evaluation particle acoustic signature cement...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 2–5, 2016
Paper Number: OTC-26955-MS
... it can be applied. Ocean Bottom Seismic industry today Ocean Bottom Seismic technology involves the deployment and coupling of multi-sensor receivers on the sea floor to record both the velocity and pressure signals of seismic waves. These receivers can consist of multi-component receivers (4C) or dual...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25947-MS
... data gwe inversion interpolation crossline direction seg annual international meeting frequency reservoir characterization offshore technology conference ghost energy crossline interpolation time window upstream oil & gas algorithm receiver seismic data wavefield Fokkema...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25964-MS
... including a minimum of 3 GNSS receivers, 3 Gyroscopes, 3 Vessel Reference Units (VRUs), and 2 Acoustic positioning systems. DP supply vessels replace the acoustic reference system with a laser or microwave positioning system. Shown below in Figure 1 is a typical drill ship position reference system. Note...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2015
Paper Number: OTC-25891-MS
... Abstract It's been over a decade since the first CSEM acquisitions were done along 2D lines in relatively open water. Today's CSEM acquisitions cover hundreds of square kilometers in true 3D fashion using receivers and towing systems purpose-designed for ease of handling, accuracy of deployment...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25264-MS
..., Green Canyon 955 and Walker Ridge 313, providing ground truth for the CSEM data. A third survey location, Mississippi Canyon 118 (MC118), is a designated hydrate observatory. We collected both traditional ocean bottom electromagnetic receiver data as well as continuous profiling data using a novel towed...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2014
Paper Number: OTC-25226-MS
... modest increase in costs by firing more than one source into the receiver spread "simultaneously." In this paper we will describe the acquisition of what is believed to be the world's largest ocean bottom survey, more than 2200 square km, using two blended sources and a very large receiver spread - more...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 6–9, 2013
Paper Number: OTC-24115-MS
.... The reflection seismic survey trials conducted in the Nankai Trough sea area confirmed the the high quality records that can be obtained with the system. Following the same design concept, we improved the RSCS receiver by reducing its size to 2/3, adopting accelerometers and a hydrophone. The new system...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23556-MS
... gravity inversion fehler th ann expl imaging subsalt imaging upstream oil & gas tertiary basin modeling & simulation reservoir characterization p-wave velocity seam model image quality receiver otc 23556 OU B M C T T re o re A G in N s r a o A r c m M a c a o I G c m o A in a o...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23369-MS
... of acoustic receiver used. integripod installation sandip ukani subsea integrity group software holder floating production system otc 23369 logger pulse structural monitoring engineering department acoustic receiver subsea system deployment offshore technology conference control room...
Proceedings Papers

Paper presented at the Offshore Technology Conference, April 30–May 3, 2012
Paper Number: OTC-23698-MS
... receivers to increase the density of coverage at fixed source-receiver offsets. A pilot study at Hydrate Ridge, offshore Oregon, illustrated our ability to distinguish between free gas below the seismic BSR (the edge of the hydrate stability field) and hydrate above, and a more comprehensive study of 4...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 4–7, 2009
Paper Number: OTC-20289-MS
... time, 3D inversion algorithms for survey layouts including azimuthal data demand high quality data conditioning, for which we present a processing sequence from time-domain electromagnetic data acquired by seabed receivers to frequency domain data and weights for inversion. Detection and delineation...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19691-MS
... around the pre-plot position. A cost sensitivity study of different 4C-4D node scenarios depending of field size, water depths and node spacing indicates that, for larger field sizes (300-600km2 receiver coverage), the alternative use of nodes could be significantly more cost effective than permanently...
Proceedings Papers

Paper presented at the Offshore Technology Conference, May 5–8, 2008
Paper Number: OTC-19702-MS
... to normalize the scanning data, a number of interesting anomalies became apparent, one of which coincides with a known oil reservoir. The same anomalies had been masked by regional trends in previous results obtained by conventional single-receiver referencing. The results obtained significantly increased our...

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