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Razvoj črpalne enote za črpanje surove nafte iz velikih globin
ID Oman, Simon (Author), ID Nagode, Marko (Author), ID Klemenc, Jernej (Author), ID Gosar, Aleš (Author)

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Abstract
Z možnostjo vrtanja v vse večje globine so se pojavile nove priložnosti za pridobivanje nafte. Ocenjeno je, da trenutno več kot 90 % vseh naftnih vrtin za pridobivanje surove nafte potrebuje črpalni sistem oz.umetno dvigovanje. Trenutno se za črpanje uporabljajo relativno stare tehnologije, ki imajo precej pomanjkljivosti in naftnim podjetjem zmanjšujejo zaslužke. Zaradi tega velika naftna podjetja vlagajo v razvoj novih tehnologij, ki bi pomanjkljivosti odpravile. Ena od največjih pomanjkljivosti je nezmožnost ene same obstoječe tehnologije za pokrivanje pretokov skozi celotno uporabno dobo vrtine, zaradi česar je potrebno sprotno prilagajanje vrste tehnologije razmeram v vrtini, kar pa je zamudno in zelo drago. V prispevku je prikazan razvoj nove tehnologije črpalke, ki bazira na sicer obstoječih principih črpanja, vendar z inovativnimi konstrukcijskimi rešitvami omogoča, da se z združevanjem večjega števila črpalnih enot lahko zagotovijo ustrezni volumski pretoki in je ni treba kombinirati z drugimi vrstami črpalk. Zaradi zelo zahtevnih in specifičnih razmer v vrtini je bilo potrebno najti tudi številne tehnične rešitve za reševanje delnih funkcij. Serija prototipov je že bila testirana v vrtinah na globini tri tisoč metrov. Prvi rezultati so zelo vzpodbudni, pokazale pa so se tudi potrebe po izboljšavah in dopolnitvah.

Language:Slovenian
Keywords:črpalke, surova nafta, abrazivni delci, umetno dviganje, črpalni sistemi
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Publication status:Published
Publication version:Version of Record
Year:2023
Number of pages:Str. 182-193
Numbering:Letn. 29, št. 3
PID:20.500.12556/RUL-169096 This link opens in a new window
UDC:621.52(497.4)
ISSN on article:1318-7279
COBISS.SI-ID:158765827 This link opens in a new window
Publication date in RUL:12.05.2025
Views:299
Downloads:60
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Record is a part of a journal

Title:Ventil : revija za fluidno tehniko in avtomatizacijo
Shortened title:Ventil
Publisher:Univerza v Ljubljani, Fakulteta za strojništvo
ISSN:1318-7279
COBISS.SI-ID:54233856 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.

Secondary language

Language:English
Title:Development of a pumping unit for the artificial lift of crude oil from great depths
Abstract:
With the ability to drill to ever greater depths, new opportunities for oil production have emerged. It is estimated that currently more than 90% of all oil wells require artificial lifting. Currently, relatively old technologies are used for production, which have significant drawbacks that reduce oil companies’ revenues. For this reason, major oil companies are investing in the development of new technologies to address the shortcomings. One of the major drawbacks is that a single existing technology is not capable of covering the production flows throughout the life of the well, which requires constant adjustment of the technology type to the downhole conditions, which is time consuming and very expensive. The paper demonstrates the development of a new pumping technology based on existing pumping principles, but with innovative design solutions that allow combining multiple pumping units in one pumping system. This ensures sufficient maximum flow, which can be regulated to practically zero. Due to the very demanding and specific conditions in the well, it was also necessary to find a number of technical solutions to solve partial functions. A number of prototypes have already been tested in wells at a depth of three thousand meters. The initial results are very encouraging, but the need for improvements and additions has already become clear

Keywords:pumps, crude oil, artificial lift, abrasive particles, pumping systems

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