Study in Efficiency of Acid Compositions Application in the Clastic Reservoirs of Perm Region Based on Experimental Studies of Core Sample

Plotnikov, Vladimir; Rekhachev, P. N.; Barkovsky, N.N.; Amirov, Aleksey; Mikhaylov, Nikolay; Попов, С. Н.

doi:10.2118/191667-18rptc-ms

Cited by 2 publications

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“…Acid treatment is carried out by injecting acid solutions into the formation to dissolve rock minerals in order to expand existing and create new fractures, increase the overall permeability, and therefore the productivity of the well. Several types and combinations of acids can be used for acidizing, but the most commonly used acids are hydrochloric acid (HCl) and hydrofluoric acid (HF) [9][10][11][12]. HCl reacts with carbonate rocks such as dolomite, calcite and siderite.…”

Section: Nas Rk Is Pleased To Announce That News Of Nas Rk Series Of Geology and Technical Sciences Scientific Journal Has Been Accepted mentioning

confidence: 99%

Results of Laboratory Studies of Acid Treatment of Low-Permeability Rock Cores

Soltanbekova¹,

Assilbekov²,

Zolotukhin³

et al. 2021

SGTS

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E d i t o r i n c h i e f ZHURINOV MuratZhurinovich, doctor of chemistry, professor, academician of NAS RK, president of the National Academy of Sciences of the Republic of Kazakhstan, general director of JSC "Institute of fuel, catalysis and electrochemistry named after D.V. Sokolsky» (Almaty, Kazakhstan) H = 4 E d i t o r i a l b o a r d: ABSAMETOV Malis Kudysovich, (deputy editor-in-chief), doctor of geological and mineralogical sciences, professor, academician of NAS RK, director of the Akhmedsafin Institute of hydrogeology and hydrophysics (Almaty, Kazakhstan) H = 2 ZHOLTAEV Geroy Zholtaevich, (deputy editor-in-chief), doctor of geological and mineralogical sciences, professor, director of the institute of geological sciences named after K.I. Satpayev (Almaty, Kazakhstan) Н=2 SNOW Daniel, Ph.D, associate professor, director of the labotatory of water sciences, Nebraska University (Nebraska, USA) H = 32 Zeltman Reymar, Ph.D, head of research department in petrology and mineral deposits in the Earth sciences section of the museum of natural history (London, England) H = 37 PANFILOV Mikhail Borisovich, doctor of technical sciences, professor at the Nancy University (Nancy, France) Н=15 SHEN Ping, Ph.D, deputy director of the Committee for Mining geology of the China geological Society, Fellow of the American association of economic geologists (Beijing, China) H = 25 FISCHER Axel, Ph.D, associate professor, Dresden University of technology (Dresden, Germany) H = 6 KONTOROVICH Aleksey Emilievich, doctor of geological and mineralogical sciences, professor, academician of RAS, Trofimuk Institute of petroleum geology and geophysics SB RAS (Novosibirsk, Russia) H = 19 ABSADYKOV Bakhyt Narikbaevich, doctor of technical sciences, professor, corresponding member of NAS RK, Bekturov Institute of chemical sciences (Almaty, Kazakhstan) H = 5 AGABEKOV Vladimir Enokovich, doctor of chemistry, academician of NAS of Belarus, honorary director of the Institute of chemistry of new materials (Minsk, Belarus) H = 13 KATALIN Stephan, Ph.D, associate professor, Technical university (Dresden, Berlin) H = 20 SEITMURATOVA Eleonora Yusupovna, doctor of geological and mineralogical sciences, professor, corresponding member of NAS RK, head of the laboratory of the Institute of geological sciences named after K.I. Satpayev (Almaty, Kazakhstan) Н=11 SAGINTAYEV Zhanay, Ph.D, associate professor, Nazarbayev University (Nursultan, Kazakhstan) H = 11 FRATTINI Paolo, Ph.D, associate professor, university of Milano-Bicocca (Milan, Italy) H = 28 News of the National Academy of Sciences of the Republic of Kazakhstan. Series of geology and technology sciences.

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Section: Nas Rk Is Pleased To Announce That News Of Nas Rk Series Of Geology and Technical Sciences Scientific Journal Has Been Accepted mentioning

confidence: 99%

Results of Laboratory Studies of Acid Treatment of Low-Permeability Rock Cores

Soltanbekova¹,

Assilbekov²,

Zolotukhin³

et al. 2021

SGTS

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show abstract

“…Thus, for example, works [22][23][24] present diagrams of the obtained dependency of the AC amount in pore volume at breakthrough on the rate of its injection into a rock sample. The above papers demonstrate a relationship between these parameters.…”

Section: Introductionmentioning

confidence: 99%

Influence of Geological and Technological Parameters on Effectiveness of Hydrochloric Acid Treatment of Carbonate Reservoirs

Krivoshchekov

Vyatkin

Ravelev

et al. 2020

IJE

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Hydrochloric acid treatment is the most common oil production stimulation treatment to date. Yet, most of operations fail to deliver the targeted results. For a more competent design of acid treatment of carbonate reservoirs, flow studies on core samples are conducted preliminary to determine the most effective acid composition and the technology of its injection into formation. The authors believe that, at present, processing of flow research results is incorrect, as not all parameters are taken into account when making recommendations. This study examined the influence of geological and technological parameters on effectiveness of hydrochloric acid treatment. In the course of studies using the flow unit and X-ray tomography, a number of factors have been identified that affect the outcome of the treatment. The volume of acid composition required to create a highly conductive channel in a core sample is a parameter using which it is possible to conduct a comparative analysis of effectiveness of the acid compositions under test and the methods of their injection. Therefore, exactly this parameter is used as a core in this paper, based on which the authors have derived an integrated indicator that provides for the most reliable evaluation of the flow study results. Using this indicator, it is possible to provide more competent recommendations as to the choice of acid compositions and the technology of oilfield hydrochloric acid treatments, which will provide the greatest effect of the planned operations to enhance oil recovery.

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Study in Efficiency of Acid Compositions Application in the Clastic Reservoirs of Perm Region Based on Experimental Studies of Core Sample

Cited by 2 publications

References 0 publications

Results of Laboratory Studies of Acid Treatment of Low-Permeability Rock Cores

Results of Laboratory Studies of Acid Treatment of Low-Permeability Rock Cores

Influence of Geological and Technological Parameters on Effectiveness of Hydrochloric Acid Treatment of Carbonate Reservoirs

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