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Keywords: probability
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Proceedings Papers

Paper presented at the SPE Europe Energy Conference and Exhibition, June 10–12, 2025
Paper Number: SPE-225489-MS
... waterflooding artificial intelligence machine learning scenario reservoir simulation sensitivity analysis reservoir geomechanics probability fracture half-length propagation minimum horizontal stress cdf enhanced recovery geological subdiscipline fracture growth fracture initiation uncertainty...
Proceedings Papers

Paper presented at the SPE Europe Energy Conference and Exhibition, June 10–12, 2025
Paper Number: SPE-225535-MS
... Abstract Time-to-event analysis (i.e. survival analysis) is a well-established statistical approach to analyze the probability distribution of and impact of various parameters on a time-domain of interest. This approach has been mostly applied to various equipment failure prediction problems...
Proceedings Papers

Paper presented at the SPE Europe Energy Conference and Exhibition, June 10–12, 2025
Paper Number: SPE-225633-MS
... neutral energy landscape. transition scenario carbon taxation social responsibility mechanism npv capital expenditure sustainable development carbon neutrality monte carlo simulation probability cash flow emission totalenergies sustainability investment financial strategy energy...
Proceedings Papers

Paper presented at the SPE Europe Energy Conference and Exhibition, June 26–28, 2024
Paper Number: SPE-220102-MS
... (vertical, horizontal) and environmental conditions (specific contents of H2S, CO2 partial pressures and water cut). To estimate the final blowout probabilities Fault Tree Analysis is utilized to systematically identify and assess potential failure modes and their associated probabilities. The final values...
Proceedings Papers

Paper presented at the SPE Europe Energy Conference and Exhibition, June 26–28, 2024
Paper Number: SPE-220075-MS
... functionality of the barrier. On the other hand, if the risk assessment shows that the risks associated with the current well barrier condition are under control and proper mitigations are available, the well could be run within a strict working envelope. wellbore design probability natural gas storage...
Proceedings Papers

Paper presented at the SPE Europe Energy Conference and Exhibition, June 26–28, 2024
Paper Number: SPE-219996-MS
... Abstract Numbers tend to have one meaning, whereas words can be open to interpretation, so one might expect the language of probability to be better at communicating the uncertainty in CO 2 geological storage resource estimates to project stakeholders. However, rather than assigning...
Proceedings Papers

Paper presented at the SPE EuropEC - Europe Energy Conference featured at the 84th EAGE Annual Conference & Exhibition, June 5–8, 2023
Paper Number: SPE-214407-MS
.... In the inversion process, given co-located measurements of seismic acoustic impedance and logging-while-drilling electromagnetic resistivity data, the pointwise probability distribution of rock-properties is derived directly from the training dataset by applying the kernel density estimation algorithm. A non...
Proceedings Papers

Paper presented at the SPE EuropEC - Europe Energy Conference featured at the 83rd EAGE Annual Conference & Exhibition, June 6–9, 2022
Paper Number: SPE-209643-MS
... was estimated using two major metrics.The coveragemetric, indicates the ratio of true forecasted events. Number of false alarms per day metricfor the specified probability threshold. Using different schemes of metric calculation, one could evaluate the model's ability to both forecast and detect accidents...
Proceedings Papers

Paper presented at the SPE Europec, December 1–3, 2020
Paper Number: SPE-200608-MS
... sheath flow in porous media Upstream Oil & Gas topmost barrier application abandonment cement sheath permeability reservoir simulation flow rate combination plug probability distribution probability Scenario production control reservoir surveillance production monitoring...
Proceedings Papers

Paper presented at the SPE Europec, December 1–3, 2020
Paper Number: SPE-200579-MS
... correlation Implementation prospect joint development solution development solution probability distribution discovery valuation development scheme conditional probability machine learning asset and portfolio management information probability tree Drilling Exploration Decision probability...
Proceedings Papers

Paper presented at the SPE Europec, December 1–3, 2020
Paper Number: SPE-200599-MS
... for the next development phase, proved to be valid during the drilling campaign of more than twenty HA-HZ wells, with only minor adjustments required to propagate the model. An automated workflow for geostatistical simulations conditioned by seismic probability cubes of facies and petrophysical properties...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190826-MS
...Binomial Probability Theory (BPT) Binomial Probability Theory (BPT) determines the probability of a select event ‘p’ occurring exactly ‘r’ times from ‘n’ trials. An example application of this theory is summarised in Table 1 which models the probability of a head (‘H’) success event from...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190771-MS
... are the hard data for geological modelling and support for petrophysical properties distribution, the corresponding upscaled log facies curves are used to populate the template for seismic elastic attributes classification to facies probabilities. The successful application to a green field in ultra-deep...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190778-MS
... − s ( θ ) i ) 2 / 2 σ 2 ) If the output constitutes a set of random variables having joint multivariate distribution, then the probability of matching all the points is the product of matching each point individually, and so is (4) p = ∏ p i...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190871-MS
... Value (EMV) difference of a decision tree with and without the pilot can be used if the Decision Maker (DM) is risk neutral. However, if the DM requires hurdle values through a Probability of Economic Success (PES), Value Functions (VF) and Decision Weights according to the Prospect Theory should...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190885-MS
... Reservoir Characterization classification elastic space porosity Artificial Intelligence reservoir characterisation characterisation workflow micp-based elastic rock RRT probability society of petroleum engineers seismic scale facies model cluster analysis permeability machine learning...
Proceedings Papers

Paper presented at the SPE Europec featured at 80th EAGE Conference and Exhibition, June 11–14, 2018
Paper Number: SPE-190824-MS
... viable at various F&DC and gas prices subject to satisfying the prescribed investment hurdle. complex reservoir Upstream Oil & Gas shale gas gas production gas well gülen shale gas reservoir economic model almadani Barnett shale gas price ikonnikova basin probability gülen...

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