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Keywords: estimation
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Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21478-MS
... application estimation environmental damage doi well control annular pressure drilling heavy hitter real-time quantification international petroleum technology conference blowout interaction offshore oil spill Blowout, a term that is dreaded by every petroleum engineers worldwide, can be...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 23–April 1, 2021
Paper Number: IPTC-21778-MS
... Abstract This paper describes a methodology that can be used to estimate the potential value of implementing digital and automation technologies in the well construction process in the context of a complex deepwater environment during the drilling conceptualization phase. This serves as a...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-20288-Abstract
.... Combining the revised ABEX with a modified economic model, a proposed set of categorical adjustments to is produced. The results show that the ABEX of the previously sub-commercial projects yield a more competitive number with revised semi-detailed estimates and different escalation and inflation approaches...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-20322-Abstract
... estimation gas production exponential decline prediction model production control Modeling & Simulation Engineering gas well production data international petroleum technology conference graph back pressure equation decline curve analysis equation H.-J. Shin , J.-S. Lim...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-20351-Abstract
... organic matter distribution; thus decreasing uncertainty and refining in-place resource estimations across the basin. Reservoir Characterization Upstream Oil & Gas structural geology shale gas maturity Pyrolysis estimation extraction geochemical analysis hydrocarbon free hydrocarbon...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19659-MS
... intelligence (AI) techniques. The AI models approved their efficiency for TOC estimation compared to the use or empirical correlation and they have the advantage of providing a continuous TOC profile compared to the laboratory-based evaluation. This study is aimed to evaluate the predictability of the TOC...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19671-Abstract
... time system managed pressure drilling pore pressure drilling operation circulation surge estimation flow rate density profile annular pressure drilling bottom hole pressure control system surface pressure Technology Conference wellbore drill string well control Upstream Oil & Gas...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19788-Abstract
..., phase compensation and for improving resolution. Though the Q-factor can be estimated from surface seismic data, traditionally the Q-factor is extracted using acquisition methods relying on accelerometers and/or geophones during borehole seismic surveys such as zero-offset vertical seismic profile (VSP...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, January 13–15, 2020
Paper Number: IPTC-19973-MS
... is determined only effective horizontal and vertical permeability values from this analysis rather than absolute permeability. It is also important to highlight that reliable effective permeability data is estimated solely in the zone where a test is performed. In fact, accurate prediction well and...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19326-MS
... into an automated observer algorithm to estimate parameters, e.g. volume of gas expansion (dependent on temperature), which are used by the controller for choke opening manipulation. Validations are first conducted in a simulation environment for the scenario with a dynamic temperature profile along...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19397-MS
... during the past two years to allow the system operator to anticipate performance upsets by predictive monitoring and active machine learning using field operations data of gas membrane systems. This technique has adopted one of recursive Bayesian estimation techniques, linear Kalman filtering, and allows...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19309-MS
... estimate structural dip from cross bedding on borehole images. It uses the geometrical relationship between the crossbedding surfaces and the lower set boundary of the corresponding crossbedding set. The line of intersection between these two surfaces is assumed to be horizontal at the time of deposition...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19289-MS
... Abstract The anelastic effects of the earth can cause frequency dependent energy attenuation and phase distortion, especially when gas clouds are present. To correct these unwanted effects for proper imaging, both the velocity and quality factor (Q) models need to be accurately estimated. With...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19430-MS
... based models have attempted to predict ROP, but few of them can have excellent estimations. In this paper, a new ROP prediction methodology is developed using machine learning techniques. The booming computation capacity and large volume of data provide a new way to solve the problems. In this paper...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19043-MS
... Abstract Vertical Interference Tests (VIT) using wireline formation testers are industry standard tests to estimate the vertical permeability of reservoir pay zones. In general, the test interval is considered homogeneous for the interpretation, leading to an inaccurate estimation of vertical...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19142-MS
... iterative ensemble smoother is used to assimilate production data. The correlated ‘total error’ (combination of model error and observation error) are estimated from the data residual after a standard history matching using Levenberg-Marquardt form of iterative ensemble smoother (LM-EnRML). This total error...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, March 26–28, 2019
Paper Number: IPTC-19523-MS
... decreasing the cost of drilling operation. It is essential to predict pore and fracture pressures accurately prior to drilling process to prevent various issues for example fluid loss, kicks, fracture the formation, differential pipe sticking, heaving shale and blowouts. Many models are used to estimate the...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18636-MS
... Abstract Total organic carbon (TOC) estimation is very important for shale gas reservoir characterization. There are many introduced methods for TOC prediction in organic-rich shales. However, there are still some weaknesses with the most of the methods. This paper proposes a new method using...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18684-MS
... because of existing of low degree behind high degree moments. The most important parameter for correctly estimating the phase pertains to the best length of time window used for phase correction. Incorrect window length creates non-zero phase wavelets. To decompose signal to wavelets, an envelope of each...
Proceedings Papers

Paper presented at the International Petroleum Technology Conference, November 14–16, 2016
Paper Number: IPTC-18714-MS
... iterative improvement. The development of the models and current results are detailed in this paper. In early conceptual design phases, it is challenging to calculate life cycle cost with sparse information about the complex future drilling system, so cost-estimating relationships must be devised...

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