Oil-generation kinetics for organic facies with Type-II and -IIS kerogen in the Menilite Shales of the Polish Carpathians

Lewan, Michael D.; Kotarba, Maciej J.; Curtis, John B.; Więcław, Dariusz; Kosakowski, Paweł

doi:10.1016/j.gca.2006.04.024

Cited by 104 publications

(51 citation statements)

References 28 publications

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“…Pre vi ously pub lished re sults of geo chem i cal anal y ses of poten tial source rocks within the Silesian Unit pro file in the east ern part of the Pol ish Outer Carpathians (Curtis et al, 2004;Kotarba and Koltun, 2006;Lewan et al, 2006;Kotarba et al, 2007Kotarba et al, , 2014Kosakowski et al, 2009) re veal that Menilite beds have the best hy dro car bon po ten tial, con tain ing oil-prone, Genetic correlation of source rocks and natural gas in the Polish Outer Carpathians and Paleozoic-Mesozoic basement... 817 Vitrinite reflectance curves (R r ) for type II and III kerogens af ter Berner and Faber (1996) low-sul phur Type-II kerogen (with lo cal ad mix tures of gas-prone Type-III kerogen). In the cur rently ana lysed sam ples (Lipnik ex po sure) the dom i na tion of gas-prone Type-III kerogen is vis i ble in di cat ing a change in or ganic fa cies.…”

Section: Discussionmentioning

confidence: 99%

Genetic correlation of source rocks and natural gas in the Polish Outer Carpathians and Paleozoic–Mesozoic basement east of Kraków (southern Poland)

Kotarba

Więcław

Bilkiewicz

et al. 2017

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., 2017. Ge netic cor re la tion of source rocks and nat u ral gas in the Pol ish Outer Carpathians and Paleozoic-Mesozoic base ment east of Kraków (south ern Po land). Geo log i cal Quarterly, 61 (4): 795-824, doi: 10.7306/gq.1367 Nat u ral gas-source rock cor re la tions in the Pol ish Outer Carpathians and Paleozoic-Mesozoic base ment in the Kraków-Brzesko-Nowy S¹cz area (south ern Po land) have been es tab lished. In the Dukla and Sub-Silesian units, mixed kerogen Type-II/III or III/II oc curs. The or ganic mat ter is im ma ture or low-ma ture. The Oligocene Menilite beds of the Silesian Unit are rich in TOC and con tain gas-prone Type III kerogen of low ma tu rity. In the Paleozoic-Mesozoic base ment, the TOC con tent and re sid ual hy dro car bon po ten tial vary in the Mid dle and Up per De vo nian strata, Mis sis sip pian car bon ate and clastic fa cies and Mid dle Ju ras sic strata. The Pa leo zoic strata are ca pa ble of thermogenic hy dro car bon gen er a tion, while organic mat ter in the Mid dle Ju ras sic rocks is gen er ally im ma ture. Gas eous hy dro car bons ac cu mu lated both in the Silesian and Dukla units of the Pol ish Outer Carpathians and in the Me so zoic base ment are ge net i cally re lated to thermogenic and mi cro bial pro cesses. The Outer Carpathian nat u ral gas was gen er ated mainly from the Type-II/III kerogen of the Oligocene Menilite beds. The thermogenic gases from the Me so zoic base ment were gen er ated from De vo nian and Mis sis sip pian (carbon ate) Type-II and mixed II/III kerogens and prob a bly from Si lu rian/Or do vi cian Type-II kerogen and Mid dle Ju ras sic Type-III/II kerogen oc cur ring at more than 7 km depth. Mi cro bial meth ane mi grated into the Outer Carpathian flysch suc cession from the Mio cene strata of the Carpathian Foredeep.Key words: Pol ish Outer Carpathians, Pa leo zoic-Mesozoic base ment, source rock po ten tial, nat u ral gas, biomarkers, sta ble car bon, hy dro gen and ni tro gen iso topes.

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Section: Discussionmentioning

confidence: 99%

Genetic correlation of source rocks and natural gas in the Polish Outer Carpathians and Paleozoic–Mesozoic basement east of Kraków (southern Poland)

Kotarba

Więcław

Bilkiewicz

et al. 2017

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“…Geo chem i cal anal y ses al low ing to es timate the amounts of or ganic car bon, types of or ganic ma te rial and their ma tu rity in the flysch for ma tions have been de termined by, e.g. Kuoemierek (1990), Curtis et al (2004), Lewan et al (2006), Wójcik-Tabol (2006, 2015, Kotarba et al (2007), Kosakowski et al (2009) and Semyrka (2009). Menilite shales (e.g., Hempel, 1955;Kosakowski, 2013), long deemed to be of great im por tance in de ter min ing stem ar eas for hy dro car bon de pos its, are the key in ter est.…”

Section: Introductionmentioning

confidence: 99%

Organic-matter vitrinite reflectance variability in the Outer Carpathians, Poland: relationship to tectonic evolution

Zielińska

2016

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Zieliñska, M., 2017. Or ganic-mat ter vitrinite reflectance vari abil ity in the Outer Carpathians, Po land: re la tion ship to tec tonic evo lu tion. Geo log i cal Quar terly, 61 (1): 214-226, doi: 10.7306/gq.1338 Ran dom vitrinite reflectance of allochthonous plant ma te rial var ies through out all the flysch sed i men tary units of the Outer West ern Carpathians. The vitrinite reflectance of coalified phytogenic mat ter is vari able even within the same lithostratigraphic unit. There is no clear re la tion ship be tween ran dom vitrinite reflectance and stra tig ra phy (age of par tic u lar strata) within sur face sam ples. The typ i cal pat tern of in creas ing ran dom reflectance with depth in bore holes is un set tled by R r o "jumps" which oc cur within folds and overthrusts. How ever, this study re vealed a trend of in creas ing ran dom vitrinite reflectance from north to south in the area of the Magura Unit. A compressional re gime in volv ing phases of up lift and burial, vary ing from place to place in the flysch ba sin, was the main fac tor in flu enc ing coalification. The ini tial ma tu rity of or ganic mat ter trans ported to the ma rine en vi ron ment was a sec ond ary fac tor. A de gree of coalification had oc curred in the flysch sed i ments prior to the main stage of fold-and-thrust move ments as so ci ated with the phase of max i mum tec tonic sub si dence at the end of the Eocene. It is gen er ally as sumed that coalified plant ma te rial dis persed in sed i men tary rocks ex pe ri enced the same phys i cal and chem i cal changes as those in larger ac cu mu la tions of coal. Coalification of phytogenic ma te rial co eval with flysch in the Outer Carpathians cor re sponds to the in ter val from sub-bi tu mi nous to low-me dium-rank bi tu mi nous coal.

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“…In the Pol ish part of the Silesian (Krosno) Unit, it is mod er ate and much lower than in its Ukrai nian part, and it drops con sid er ably in the Dukla Unit (Kotarba et al, 2007). The Menilite Shales in the study area con tain vary ing mix tures of differ ent types of kerogen (Koltun, 1992;Koltun et al, 1998;Curtis et al, 2004;Kotarba et al, 2006). Type II kerogen pre vails, al gal Type I kerogen oc curs spo rad i cally while Type III kerogen with ter res trial or ganic mat ter pre dom i nance is lo cally sig nif i cant (Koltun et al, 1998;Köster et al, 1998b;Curtis et al, 2004;Kotarba et al, 2007).…”

Section: Source Rock Characteristics and Kinetic Parameters Of Kerogementioning

confidence: 86%

“…To tal sul phur and to tal iron con tents, and el e men tal com po si tion of kerogen from the Menilite Shales * -depth for well and sam ple num ber for ex po sure; daf -dry, ash-free ba sis; ** -data from Curtis et al (2004); *** -data from Lewan et al (2006); **** -data from Wiêc³aw et al (2008) ogene to Oligocene strata com posed of the Inoceramian Beds, Var ie gated Sha les, Hi ero glyphic Beds and Krosno Beds. The to tal depths were 5440 m in the Brzegi Dolne IG 1 well (Fig.…”

Section: Ta Blementioning

confidence: 99%

“…Some re sults of geo chem i cal anal y sis of the Menilite Shales in the Outer Carpathians have al ready been given by sev eral au thors (e.g., Koltun, 1992;ten Ha ven et al, 1993;Kruge et al, 1996;Koltun et al, 1998;Köster et al, 1998a;Kotarba et al, 2007). Nev erthe less, the ki net ics of kerogen trans for ma tion was in ves ti gated only by few (Curtis et al, 2004;Lewan et al, 2006). by the Moesian Plat form, and by the In ner Carpathians on the south (Oszczypko, 2006).…”

Section: Introductionmentioning

confidence: 99%

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1-D modelling of hydrocarbon generation and expulsion from Oligocene Menilite source rocks in the San and Stryi rivers region (Polish and Ukrainian Carpathians)

Kosakowski

2013

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Based on geo chem i cal data of the Oligocene Menilite Shales in the Boryslav-Pokuttya, Skole (Skyba), Silesian (Krosno) and Dukla units in the Carpathians, be tween Krosno and Styi towns, 1D mod el ling of gen er a tion and ex pul sion pro cesses of hy dro car bons has been car ried out. These strata are char ac ter ized by mostly high or ganic mat ter con tent, the to tal or ganic car bon (TOC) con tent reach ing up to 26 wt.%. The high est hy dro car bon po ten tial was re corded in the Boryslav-Pokuttya and Skole units. Or ganic mat ter in the Skole (Skyba) Unit is im ma ture; in turn, in the Boryslav-Pokuttya, Silesian (Krosno) and Dukla units it is ma ture enough for gen er at ing hy dro car bons. Re sults of the mod el ling re veal that dur ing the de po si tion of flysch in all the above men tioned Outer Carpathian units the Menilite source rocks did not reach a level of ther mal ma tu rity high enough to gen er ate hy dro car bons. Con di tions of hy dro car bon gen er a tion were ob tained in the thrust ing stage of the Outer Carpathians. In gen eral, the pro cess of hy dro car bon gen er a tion be gan at depths of less than 2 km in the Pol ish part, and about 4 km in the Ukrai nian part. The kerogen trans for ma tion level reached from 10% to to com plete trans for ma tion as in the Suche Rzeki IG 1 well.The re sults of the mod el ling of hy dro car bon gen er a tion and ex pul sion from the source rocks of all the units re veal that the high est ma tu rity and the high est gen er a tion po ten tial were ob tained by the Menilite Shales in the Silesian and Dukla units.

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Oil-generation kinetics for organic facies with Type-II and -IIS kerogen in the Menilite Shales of the Polish Carpathians

Cited by 104 publications

References 28 publications

Genetic correlation of source rocks and natural gas in the Polish Outer Carpathians and Paleozoic–Mesozoic basement east of Kraków (southern Poland)

Genetic correlation of source rocks and natural gas in the Polish Outer Carpathians and Paleozoic–Mesozoic basement east of Kraków (southern Poland)

Organic-matter vitrinite reflectance variability in the Outer Carpathians, Poland: relationship to tectonic evolution

1-D modelling of hydrocarbon generation and expulsion from Oligocene Menilite source rocks in the San and Stryi rivers region (Polish and Ukrainian Carpathians)

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