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Keywords: diagnosis
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Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196159-MS
..., which is very hard for human being to detect. In addition, we build another automated diagnosis deep learning model from thousands of dynamometer cards labeled with different classifications. We have already tested these newly developed artificial intelligent models on hundreds of sucker rod pumped...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-195940-MS
... intervention paraffin Efficiency correspond machine learning anomaly atypical value anomalous behavior choke society of petroleum engineers flowing wells pressure value obstruction identification prediction diagnosis production loss time series wellhead pressure pressure curve pressure time...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2019
Paper Number: SPE-196002-MS
... Abstract Downhole temperature monitoring, either by production logging or fiber-optic sensors, has been used in many applications for production/injection/stimulation diagnosis and design optimization. To quantitatively generate flow profiles at downhole conditions, we need theoretical models...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 9–11, 2017
Paper Number: SPE-187247-MS
... the outflow of sand or minerals coming from the reservoirs is of course undesired, and generates a series of technical challenges and threats to installations. Sand diagnosis (through conventional acoustic methods) is generally a frustrating process, with frequent false positive and false negative...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–28, 2016
Paper Number: SPE-181534-MS
... Dynamometer Card real-time dynamometer card insufficient liquid supply centralizer determination coefficient production rate surface dynamometer card fluctuation diagnosis valve Sucker-rod pumping system is currently the most widely used artificial lift method. An important way to analyze...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 28–30, 2015
Paper Number: SPE-174873-MS
... Once the ESP encounters problems, field engineers can observe abnormal phenomena such as the sharp decline of liquid rate, or the unusual status of current or tubing pressure. Industry requires a complete, real-time, and automatic diagnosis of ESP malfunction to identify causes, and consequently...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 28–30, 2015
Paper Number: SPE-174880-MS
... domains such as multi-stage fractured horizontal wells. In the past, models and methodologies have been developed for fracture diagnosis for multiple-stage fractured horizontal wells. They are based on either semi-analytical approach for simplicity or reservoir simulation for generality. The challenges...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 27–29, 2014
Paper Number: SPE-170874-MS
... water entries at certain location by matching the observed temperature with the calculated temperature. Flow distribution from the temperature model presents consistent trend with PLT measurement. Fracture diagnosis is more sensitive to the fluid entries (fracture locations) and less sensitive to the...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 2, 2013
Paper Number: SPE-166532-MS
... diagnosis and multiphase production log (MPL) solutions in such difficult conditions. The emulsion discussed in this paper is water-in-oil emulsion, in which water is present in the form of droplets dispersed in oil. This is generally expected to happen in a high velocity, turbulent flow regime, and in a...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 19–22, 2010
Paper Number: SPE-134975-MS
... equipment component, there will be a set of feasible agents and expected possible causes as described in Annex B . The system diagnosis is a combination of equipment usage description ruled by Modes and Effects (FMEA) and Fault tree (FTA) techniques. From the reason for pull, an Up-down analysis is...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 19–22, 2010
Paper Number: SPE-134761-MS
... Clearly, the diagnosis and analysis of these transition zones, i.e. non-linear transient pressure is vital to get the essential reservoir system information, particularly for data from long term PDG. In recent years, deconvolution algorithm has attracted the most of attention in the...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 4–7, 2009
Paper Number: SPE-124926-MS
... field trial application knowledge base gas lift system optimization recommendation agent gas lift information operation valve gas injection rate operator society of petroleum engineers spe 124926 Engineer diagnosis corrective action SPE 124926 Real Time Diagnostics of Gas Lift...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, November 11–14, 2007
Paper Number: SPE-110296-MS
... enhanced well performance diagnosis and the corresponding production gains. Also, a good support from onsite teams was achieved thanks to key technical solutions such as user-friendly interface, possible individual tuning of each alarm, handling of unstable or unmatched wells. Finally, WPM enables to...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–27, 2006
Paper Number: SPE-102048-MS
... correlation pressure measurement production data analysis reservoir model diagnosis horizontal well Copyright 2006, Society of Petroleum Engineers This paper was prepared for presentation at the 2006 SPE Annual Technical Conference and Exhibition held in San Antonio, Texas, U.S.A., 24 27 September...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 24–27, 2006
Paper Number: SPE-102602-MS
... concept is called Geosteering Diagnosis. We identify a monitored trajectory as composed of a real-time and a project-ahead section. The bit and the MWD/LWD sensors are monitored objects attached to the trajectory. A number of targeted objects (i.e. horizons, contacts, faults, targets, planned and...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 26–29, 2004
Paper Number: SPE-91509-MS
... Abstract The concept of diagnosis used in this paper has a similar meaning as it used in well test analysis, and essentially refers to the identification, and its sequence as the exploitation time increases, of the production mechanisms of a gas reservoir. This paper discusses an approach for...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 2003
Paper Number: SPE-84403-MS
... economical options for remediation. The last 10 years have seen successful equipment development for selectively entering level 1 and 2 lateral extensions - classifications of the Technical Advancement of ML wells (TAML) ( Fig. 1 ) - with coiled tubing (CT). This paper describes a new, combined diagnosis...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 5–8, 2003
Paper Number: SPE-84090-MS
... production) interference test. It can be implemented for two observation wells. The validity of the developed method is demonstrated by one ideal and two field examples. We strongly recommend the developed method as part of "diagnosis" prior to any formal interference-testing analysis. Introduction...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 3, 2001
Paper Number: SPE-72499-MS
... Abstract The purpose of this paper is to describe the findings of a technological diagnosis to detect research and technology development needs in a national oil company, the set of actions taken to solve these needs, and the evaluation of these measures by another needs- identification...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, September 30–October 3, 2001
Paper Number: SPE-72504-MS
... Abstract This paper describes the findings of a technological diagnosis in a national oil company, aimed at detecting professional development needs, the set of actions taken to solve these, and the evaluation of these measures by another needs- identification procedure. With these results...

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