Luận văn thạc sĩ Kỹ thuật dầu khí: Đặc điểm địa chất và tiềm năng dầu khí hệ tầng Côn Sơn, rìa tây bắc lô H75 bồn trũng Cửu Long

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Vӏ WUtÿӏDOê bӗQWUǊQJ&ӱu Long

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Tәng quan lӏch sӱ bӗQWUǊQJ&ӱu Long

1.2.1 /ӏFKVӱSKiWWULӇQEӗQWUǊQJ&ӱX/RQJ

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Luұn YăQWKҥFVƭ HVTH: Vy BҧR7UkP

+uQK1.1 9͓WUtÿ͓DOêE͛QWUǊQJ&͵X/RQJ a Thӡi kǤ WUѭӟc tҥo rift: ljJLDLÿRҥn cӕ kӃWPyQJWUѭӟc Kainozoi cӫa bӗn

WUǊQJOLrQTXDQYӟi sӵ hӝi tө cӫDFiFOөFÿӏDYjRFXӕL0H]R]RLPjSKDWjQGѭFӫa FK~QJNpRGjLWӟi Eocen Sӵ hӝi tө cӫa hai lөFÿӏa Ҩn-ềFYjặX-ẩÿmQkQJWRjQEӝ thӅP6XQGDOrQFDRYjOjPWLrXELӃQKRjQWRjQÿҥLGѭѫQJ7HWK\Vӣ Ĉ{QJ1DPÈӢ

MSHV: 1570281 ÿk\Kҫu hӃWSKiWWULӇn mҥQKFiFGҧLPDJPD[kPQKұSYjSKXQWUjRFyWXәi tӯ Jura ÿӃQ(RFHQ&iFWUǊQJWjQGѭFӫa thӡi kǤ Mezozoi hoһFOjFiFWKXQJOǊQJKҽp, hoһc OjFiFKӗ Qѭӟc mһn bӏ NK{Fҥn HoҥWÿӝng mҥnh mӁ cӫDPDJPD[kP nhұSYjSKXQ WUjR NKX Yӵc xung quanh bӗQ WUǊQJ &ӱX /RQJ ÿL NqP YӟL FiF FKX\ӇQ ÿӝng khӕi tҧng, kiӃn tҥo do sӵ va chҥm cӫDFiFPҧng lөFÿӏDÿmKuQKWKjQKKjQJORҥWÿӭWJm\

OjPSKkQFҳt, phӭc tҥp bӅ mһt cә ÿӏDKuQKFXӕL0H]R]RLÿҫu Kainozoi Vӓ lөFÿӏa vӯa ÿѭӧc cӕ kӃt bҳWÿҫu bӏ SKiYӥ WKjQKFiFNKӕLQkQJYjYQJVөWGRWiFKJLmQ BӗQWUǊQJ&ӱX/RQJÿѭӧFKuQKWKjQKWUrQFiFYQJVөt khu vӵc thuӝc thӡi kǤ tiӅn WiFKJLmQ3DOHRFHQ-Eocen [4] [8] b Thӡi kǤ ÿӗng tҥo rift: OjJLDLÿRҥQWiFKJLmQKuQKWKjQKEӗQWtFKWө theo cҩXWU~FULrQJ[ҧy ra tӯ (RFHQÿӃQ2OLJRFHQ9jRWKӡi kǤ Qj\ÿi\Eӗn bӏ SKkQFҳt bӣLFiFÿӭWJm\OӟQWKjQKFiFNKӕLNpRGjLFyEӅ rӝQJNKiFQKDXVDXÿyEӏ bҿ Jm\ bӣLFiF ÿӭWJm\ QJDQJ ӣ nhӳng khoҧQJFiFKNKiF QKDX WҥRQrQ FiF NKӕL QK{Yj khӕi sөWKuQKWKjQKQKLӅXEiQÿӏDKjRĈyOjÿѫQYӏ cҩXWU~FFѫEҧn cӫa bӗn rift nӝi lөc CӱX/RQJ4XiWUuQKWăQJFѭӡQJFiFKRҥWÿӝQJWiFKJLmQOjPFKREӗn sөWO~Q VkXKѫQ7URQJ JLDLÿRҥQÿҫu, nguӗn cung cҩp vұt liӋu trҫPWtFK tWÿLӅu kiӋQNKt hұu thuұn lӧLÿmWҥRQrQKӗ VkXYӟi sӵ WtFKWө FiFWҫng trҫPWtFKVpWKӗ Gj\WUrQGLӋn rӝng thuӝc tұS'&iFWUҫPWtFKJLjXFiWKѫQWKXӝc tұS&VDXÿyÿiQKGҩXJLDLÿRҥn lҩSÿҫy bӗQULIW9QJWUXQJWkPEӗQWUǊQJFyEӅ Gj\WUҫPWtFKOӟQJk\UDVӵ sөWO~Q trӑng lӵc tҥR UD FiF ÿӭW Jm\ ÿӗng trҫP WtFK Yj NpR [RD\ FiF WUҫP WtFK 2OLJRFHQ Cuӕi Oligocen, phҫn Bҳc cӫa bӗn WUǊQJ do sӵ QpQpSÿӏDSKѭѫQJKRһFÿӏa tҫQJÿm xuҩt hiӋn sӵ nghӏFKÿҧo mӝt sӕ QѫLWҥRQrQPӝt sӕ cҩu tҥo lӗLKuQKKRDYӟi sӵ EjR PzQYiWPӓng mҥnh mӁ cӫa lӟp trҫPWtFKWKXӝc tұp C TrҫPWtFK(RFHQ±Oligocen WURQJFiFWUǊQJFKtQKFyWKӇ Gj\ÿӃQPWKjQKWҥRWURQJFiFP{LWUѭӡng trҫm WtFKKӗV{QJFKkXWKә Sӵ kӃWWK~FKRҥWÿӝng cӫa phҫn lӟQFiFÿӭWJm\YjEҩt chӍnh hӧp ӣ QyFWUҫPWtFK2OLJRFHQÿiQKGҩu sӵ kӃWWK~FWKӡi kǤ Qj\ [4] [8] c Thӡi kǤ sau tҥo rift: bҳWÿҫu tӯ Miocen sӟPÿӃn nay Thӡi kǤ Qj\TXiWUuQKWiFKJLmQNӃWWK~FFKӍ FyFiFKRҥWÿӝng yӃu ӟt cӫDFiFÿӭWJm\*LDLÿRҥn biӇn tiӃn khu vӵc bҳWÿҫu xuҩt hiӋQYjELӇn tiӃQYjREӗn Cӱu Long tӯ phҫQĈ{QJ%ҳc, ÿҭ\OLWUҫPWtFKOөFÿӏa vӅ SKtD1DP9jRFuӕi Miocen sӟPFiFWUǊQJWUXQJWkP

MSHV: 1570281 tiӃp tөc sөW O~Q FӝQJ WKrP Vӵ oҵQ Y}QJ GR VөW O~Q WUӑng lӵc cӫD FiF WUҫP WtFK 2OLJRFHQOjPSKҫn lӟn diӋQWtFKEӗn bӏ FKuPVkXGѭӟi mӵFQѭӟc biӇQYjWҫQJVpW Rotalid - tҫng chҳn khu vӵc cӫa bӗQWUǊQJ- ÿѭӧFKuQKWKjQKYjRWKӡLJLDQQj\&iF trҫPWtFK0LRFHQ Gѭӟi phӫ chӡm hҫu hӃWOrQÿӏD KuQK2OLJRFHQ 7Kӡi kǤ Miocen giӳD Oj WKӡi kǤ QkQJ OrQ Fӫa bӗQ WUǊQJ &ӱX /RQJ P{L WUѭӡng biӇn ҧQK KѭӣQJ tW KѫQSKҫQĈ{QJ%ҳc bӗQWUǊQJFKӫ yӃu chӏu ҧQKKѭӣng cӫDFiFÿLӅu kiӋn ven bӡ

Thӡi kǤ Miocen muӝn, biӇQWUjQQJұSWRjQEӝ bӗQWUǊQJ&ӱX/RQJ&ǊQJYjRFXӕi thӡi kǤ Qj\ GR V{QJ 0r {QJ ÿә YjR EӗQ WUǊQJ &ӱX /RQJ ÿm OjP WKD\ ÿәL P{L WUѭӡng trҫPWtFKQJXӗn cung cҩp vұt liӋu, kiӇXWtFKWө YjFҧ KuQKWKiLFҩXWU~FFӫa bӗn WUǊQJ Bӗn WUǊng mӣ rӝQJKѫQYӅ SKtD7k\1DPYjRSKtDÿӗng bҵQJFKkXWKә V{QJ 0r {QJ QJj\ QD\ Yj EӗQ WUǊQJ &ӱX /RQJ WK{QJ Yӟi bӗn WUǊQJ 1DP &{Q 6ѫQ7UҫPWtFKFKkXWKә ÿѭӧFKuQKWKjQKGRV{QJOjFKӫ yӃu Thӡi kǤ Pliocen±ĈӋ tӭOjJLDLÿRҥQWtFKFӵc kiӃn tҥo mӟi tҥo nrQEuQKÿӗ cҩXWU~FKLӋn tҥi cӫa thӅm lөc ÿӏa ViӋt Nam BӗQWUǊQJ&ӱX/RQJNK{QJFzQKuQKGiQJFҩXWU~FULrQJPjQyKzD FKXQJYjRFҩXWU~FWRjQWKӅP1JX\rQQKkQOjÿi\ELӇQĈ{QJWLӃp tөc sөWO~QGREӏ cuӕQK~W[XӕQJGѭӟLFXQJÿҧo Luson, mһWNKiFÿҩt liӅn Ĉ{QJ'ѭѫQJÿѭӧFQkQJ FDRFQJYӟi sӵ hoҥWÿӝng cӫDQ~LOӱa basalt kiӅm, do vӓ ÿҥLGѭѫQJҨQĈӝ ÿDQJ ÿҭy lөFÿӏDĈ{QJ'ѭѫQJYj7k\1DPĈ{QJ1DPÈOrQFDR [4] [8]

1.2.2 /ӏFKVӱ QJKLrQFӭXWuPNLӃPWKăPGzGҫXNKt EӗQWUǊQJ&ӱX/RQJ

&ăQFӭ YjRTX\P{Pӕc lӏch sӱ Yj kӃt quҧ WKăPGz, lӏch sӱ WuPNLӃm WKăP GzGҫXNKtӣ bӗQWUǊQJ&ӱu Long ÿѭӧc FKLDOjP04 JLDLÿRҥn:

D*LDLÿRҥQWUѭӟc 1975 Ĉk\OjWKӡi kǤ khҧRViWÿӏa vұWOêNKXYӵFQKѭWӯ, trӑng lӵFYjÿӏa chҩQÿӇ SKkQFKLDFiFO{FKXҭn bӏ FKRF{QJWiFÿҩu thҫXNêKӧSÿӗng dҫXNKt

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1ăP7-KDLWjX5XWKYj0DULDFӫa Alpine Geophysiscal Corporation ÿmWLӃQKjQKÿRNPWX\ӃQÿӏa chҩn ӣ SKtD1DPELӇQĈ{QJWURQJÿyFyWX\Ӄn cҳt qua bӗQWUǊQJ Cӱu Long

MSHV: 1570281 1ăPF{QJW\5D\*HRSK\VLFDO0DQGUHOGmWLӃQKjQKÿRÿӏa vұWOêELӇn bҵQJWjX1.V.Robray I ӣ YQJWKӅm lөFÿӏa miӅn Nam cӫa biӇQĈ{QJYӟi tәng sӕ 3.482 km tuyӃQWURQJÿyFyWX\Ӄn cҳt qua bӗQWUǊQJ Cӱu Long

7URQJ QăP 86 1DY\ 2FHDQRJUDSKLF FǊQJ WLӃQ KjQK ÿR VRQJ VRQJ 20.000 km tuyӃQÿӏa chҩn bҵQJWjX59(9+XQWӣ vӏQK7KiL/DQYjSKtDNam biӇQĈ{QJWURQJÿyFyWX\Ӄn cҳt qua bӗQWUǊQJ Cӱu Long ĈҫXQăPF{QJW\5D\*HRSK\VLFDO0DQGUHOOҥi tiӃQKjQKÿRÿӧt 2 ӣ SKtDNam biӇQĈ{QJYjGӑc bӡ biӇQNPÿҧm bҧo mҥQJOѭӟi cӥ 30 km x 50 km, kӃt hӧp giӳDFiFSKѭѫQJSKiSWӯ, trӑng lӵFYjKjQJNK{QJWURQJÿyFyWX\Ӄn cҳt qua bӗQWUǊQJ Cӱu Long

1ăP-ÿmÿҩu thҫXWUrQO{WURQJÿyFyO{WKXӝc bӗQWUǊQJ Cӱu /RQJOjYj

NăPF{QJW\0RELOWU~QJWKҫXWUrQO{ÿmWLӃQKjQKNKҧRViWÿӏa vұt Oê FKӫ yӃX Oj ÿӏa chҩn phҧn xҥ Fy Wӯ Yj WUӑng lӵc vӟi khӕL OѭӧQJ Oj NP tuyӃQ9jRFXӕLQăPYjÿҫXQăPF{QJW\0RELOÿmNKRDQJLӃng khoan WuPNLӃPÿҫXWLrQWURQJbӗn WUǊQJ Cӱu Long, BH-1X ӣ phҫQÿӍnh cӫa cҩu tҥo Bҥch Hә KӃt quҧ thӱ vӍD ÿӕLWѭӧQJFiW NӃW 0LRFHQ Gѭӟi ӣ chiӅX VkX-Pÿm FKRGzQJGҫXF{QJQJKLӋSOѭXOѭӧng dҫXÿҥt 341m 3 QJj\.Ӄt quҧ ÿmNKҷQJÿӏnh tiӅPQăQJGҫXNKtFӫa bӗQWUǊQJ Cӱu Long [4]

1ăPF{QJW\ÿӏa vұWOê&**FӫD3KiSNKҧRViWNPWKHRFiF FRQV{QJFӫDÿӗng bҵQJV{QJ&ӱX/RQJYjYQJYHQELӇQ9ǊQJ7jX - &{Q6ѫQ.Ӄt quҧ cӫDF{QJWiFNKҧRViWÿӏa chҩQÿm[k\GӵQJÿѭӧFFiFWҫng phҧn xҥ FKtQKWӯ

&/ÿӃQ&/YjNKҷQJÿӏnh sӵ tӗn tҥi cӫa bӗQWUǊQJ Cӱu Long vӟi mӝt mһt cҳt trҫPWtFKĈӋ WDPGj\

1ăPF{QJW\*HFR1DX\WKXQә ÿӏa chҩQ'WUrQO{16, 19, 20, 21 vӟi tәng sӕ NP Yj OjP FKL WLӃW WUrQ Fҩu tҥo Bҥch Hә vӟi mҥQJ Oѭӟi tuyӃQ[Yj[5LrQJYӟLO{F{QJW\'HPLQH[ÿmKӧSÿӗng vӟi Geco khҧRViW3.221,7 tuyӃQÿӏa chҩn vӟi mҥQJOѭӟL[WUrQO{YjFҩu tҥo Cӱu Long (nay Oj 5ҥQJ Ĉ{QJ &ăQ Fӭ YjR NӃt quҧ minh giҧL WjL OLӋX ÿӏa chҩQ Qj\ 'HPLQH[ ÿm

MSHV: 1570281 khoan 4 giӃQJNKRDQWuPNLӃPWUrQFiFFҩu tҥo triӇn vӑng nhҩW7Uj7kQ-A-1X), 6{QJ%D-B-1X), Cӱu Long (C-;YjĈӗng Nai (15-G-1X) KӃt quҧ NKRDQFiF giӃQJQj\ÿӅu gһSFiFELӇu hiӋn dҫXNKtWURQJFiWNӃt tuәi Miocen sӟPYj2OLJRFHQ QKѭQJGzQJGҫXNK{QJFyêQJKƭDF{QJQJKLӋp [4]

&{QJWiFWuPNLӃPWKăPGzGҫXNKtӣWKӅPOөFÿӏD1DP9LӋW1DPWURQJJLDL ÿRҥQQj\ÿѭӧFWULӇQNKDLUӝQJNKҳSQKѭQJWұSWUXQJFKӫ\ӃXYjRPӝWÿѫQYӏÿyOj

;tQJKLӋSOLrQGRDQK9LHWVRYSHWUR1ăPWjXQJKLrQFӭX32,6.ÿmWLӃQKjQK NKҧRViWNPWX\ӃQÿӏDFKҩQÿLӇPVkXFKXQJWӯYjNPWX\ӃQWUӑQJOӵF ӃW TXҧ FӫD ÿӧW NKҧR ViW Qj\ ÿm SKkQ FKLD UD ÿѭӧF FiF WұS ÿӏD FKҩQ % (CL4-1, CL4-2), C (CL5-1), D (CL5-2), E (CL5-Yj)&/-;k\GӵQJÿѭӧFPӝWVӕVѫ ÿӗFҩXWҥRGӏWKѭӡQJWӯYjWUӑQJOӵF%RXJXHU

1ăPWjXQJKLrQFӭX,VNDWHOÿmWLӃQKjQKNKҧRViWÿӏDYұWOêYӟLPҥQJ OѭӟL[± 3xNPÿӏDFKҩQ02%-WUӑQJOӵFWӯӣSKҥPYLO{Yj YӟLWәQJVӕNP

1ăP-WjXYLӋQVƭ*DPEXU[HYÿmWLӃQKjQKNKҧRViWNPWX\ӃQ ÿӏDFKҩQÿӇQJKLrQFӭXSKҫQVkXQKҩWFӫDEӗQWUǊQJ &ӱX/RQJ

7URQJWKӡLJLDQQj\;1/'9LHWVRYSHWURÿmNKRDQ0JLӃQJWUrQFiFFҩXWҥR

%ҥFK+әYj5ӗQJ5-1X, BH-3X, BH-4X, BH-;Yj7Ĉ-;WUrQFҩXWҥR7DPĈҧR 7Uӯ7Ĉ-;WҩWFҧJLӃQJFzQOҥLÿӅXSKiWKLӋQYӍDGҫXF{QJQJKLӋSWӯFiFYӍDFiW NӃW0LRFHQGѭӟLYj2OLJRFHQ (BH-4X)

&XӕL JLDL ÿRҥQ - ÿѭӧF ÿiQK GҩX EҵQJ YLӋF 9LHWVRYSHWUR ÿm NKDL WKiFQKӳQJWҩQGҫXWӯÿӕLWѭӧQJNKDLWKiF0LRFHQ2OLJRFHQGѭӟLFӫDPӓ%ҥFK +әYjRQăPYjSKiWKLӋQGҫXWURQJÿiPyQJJUDQLWQӭWQҿYjRWKiQJQăP 1988 [4]

G*LDLÿRҥQÿӃn nay Ĉk\OjJLDLÿRҥQSKiWWULӇn mҥnh mӁ nhҩWF{QJWiFWuPNLӃPWKăPGzYjNKDLWKiFGҫXNKtӣ bӗQWUǊQJ Cӱu Long Vӟi sӵ UDÿӡi cӫa LuұWÿҫXWѭQѭӟFQJRjLYjLuұt DҫXNKtKjQJORҥWFiFF{QJW\GҫXQѭӟFQJRjLÿmNêKӧSÿӗQJSKkQFKLDVҧn phҭm hoһFFQJÿҫXWѭYjRFiFO{Pӣ YjFyWULӇn vӑng ӣ bӗQWUǊQJ CӱX/RQJĈӃn

MSHV: 1570281 cuӕLQăPÿmFy09 hӧSÿӗQJWuPNLӃm tKăPGzÿѭӧFNêNӃWWUrQFiFO{-1, 09-2, 09-3, 01&02, 01&02/96, 15-1, 15-2, 16-1, 16-Yj

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7URQJOƭQKYӵc xӱ OêWjLOLӋXÿӏa chҩQ'FyQKӳng tiӃn bӝ U}UӋWNKLiSGөng TX\WUuQK[ӱ OêGӏch chuyӇn thӡLJLDQYjÿӝ VkXWUѭӟc cӝng (PSTM, PSDM)

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Bҵng kӃt quҧ khoan nhiӅXSKiWKLӋn dҫXNKtÿmÿѭӧF[iFÿӏnh: RҥQJĈ{QJO{ - 6ѭ 7ӱ ĈHQ 6ѭ 7ӱ 9jQJ 6ѭ 7ӱ Trҳng, Sӱ Tӱ 1kX O{ -1), Topaz 1RUWK'LDPRQG3HDUO(PHUDOG5XE\O{&i1Jӯ 9jQJO{9RL7Uҳng, 7r *LiF 7UҳQJ O{ Ĉ{QJ 5ӗQJ Ĉ{QJ 1DP RӗQJ O{ - 7KăQJ /RQJ ± Ĉ{QJ Ĉ{ O{ uQK 1Jѭ 7UҳQJ uQK 1Jѭ 7UҳQJ 1DP O{ - uQK1Jѭ9jQJO{ [4]

ĈһFÿLӇm ÿӏa chҩt bӗQWUǊQJ&ӱu Long

&iFWKjQKKӋ ÿӏDFKҩWEӗQWUǊQJ&ӱX/RQJÿѭӧFFKLDUDSKҫQÿiPyQJWUѭӟF.DLQR]RLYjOӟSSKӫWUҫPWtFK.DLQR]RL+uQK1.2)

+uQK1.2 &͡Wÿ͓DW̯QJW͝QJKͫSE͛QWUǊQJ&͵X/RQJ [4]

7KjQKSKҫQWKҥFKKӑFFӫDÿi PyQJӣEӗQWUǊQJ &ӱX/RQJJһSSKәELӃQOj FiFPDJPD[kPQKұSJUDQLWJUDQRGLRULWYjGLRULW1JRjLUDFzQFyWKӇJһSFiFÿi SKXQWUjRELӃQFKҩWYjWUҫPWtFKFyWXәLWUѭӟF.DLQR]RLQKѭÿmOӝUDWUrQÿӟLĈj/ҥW YjYQJSKөFұQ &iFÿiQj\WKXӝc mӝt sӕ phӭc hӋ QKѭVDX

Phӭc hӋ +zQ.KRDLSKkQEӕ SKtD%ҳc mӓ Bҥch Hә YjGӵ ÿRiQFyNKҧ QăQJ

MSHV: 1570281 SKkQEӕ rӝQJUmLӣ UuDĈ{QJ1DPFӫa gӡ QkQJWUXQJWkP7KjQKSKҫn thҥch hӑc bao gӗPJUDQRGLRULWHELRWLWHPRQ]RGLRULWHYjPӝWtWJUDQLWHELRWLWH

Phӭc hӋ ĈӏQK4XiQSKkQEӕ rӝQJUmLӣ khu vӵFWUXQJWkPPӓ Bҥch Hә YjFy khҧ QăQJSKkQEӕ ӣ ÿӏDKuQKQkQJFDRQKҩt thuӝc gӡ QkQJWUXQJWkPFӫa bӗQWUǊQJ CӱX/RQJ&iFSKӭc hӋ FyVӵ SKkQGӏ chuyӇn tiӃSWKjQKSKҫn tӯ diorite ± diorite thҥch anh tӟLJUDQRGLRULWHYjJUDQLWHWURQJÿyFiFÿiFyWKjnh phҫQOjJUDQRGLRULWH chiӃm phҫn lӟn khӕLOѭӧng cӫa phӭc hӋ

Phӭc hӋ &j1iFǊQJWѭѫQJWӵ QKѭSKӭc hӋ ĈӏQK4XiQSKkQEӕ rӝQJUmLӣ gӡ WUXQJWkPYjVѭӡQ7k\%ҳc cӫa gӡ7KjQK SKҫn thҥch hӑc bao gӗPJUDQLWHViQJ PjXJUDQLWHKDLPLFDJUDQLWHELRWLWHYjmӝWtWVLHQLWH

'RFiFKRҥWÿӝng kiӃn tҥo mҥnh mӁ WUѭӟFYjWURQJ.DLQR]RLFiFFҩu tҥo bӏ SKi KXӹ bӣL FiF ÿӭW Jm\ NqP WKHR Qӭt nҿ ÿӗng thӡL FiF KRҥW ÿӝQJ SKXQ WUjR DQGHVLWHEDVDOWÿѭDOrQOҩSYjRPӝt sӕ ÿӭWJm\Qӭt nҿ TuǤ WKHRFiFNKXYӵFFiFÿi NKiFQKDXPjFK~QJEӏ nӭt nҿSKRQJKRiӣ FiFPӭFÿӝ NKiFQKDX Ĉi PyQJEӏ biӃQÿәi bӣLTXi WUuQKELӃQÿәi thӭ sinh ӣ nhӳng mӭFÿӝ NKiF nhau Trong mӝt sӕ nhӳQJ NKRiQJ Yұt biӃQ ÿәi thӭ VLQK WKu SKiW WULӇn nhҩW Oj FDQFLWHQKyP]HROLWHYjNDROLQLWH7Xәi tuyӋWÿӕi cӫDÿiPyQJNӃWWLQKWKD\ÿәi tӯ 245 triӋXQăPÿӃn 89 triӋXQăP*UDQLW tuәL.UHWDFyKDQJKӕFYjQӭt nҿ FDRJyS phҫn thuұn lӧi cho viӋc dӏch chuyӇQYjWtFKWө dҫXWURQJÿiPyQJ [4] [8]

Lӟp phӫ trҫm WtFK.DLQR]RLOjWұSKӧSWUҫPWtFKOөFQJX\rQWѭӟQJFKkXWKә YHQELӇQ7UҫPWtFK.DLQR]RLSKӫEҩWFKӍQKKӧSOrQPyQJWUѭӟF.DLQR]RLEDRJӗP FiFWUҫPWtFKFyWXәLWӯ(RFHQWӟLÿӋ7ӭYjÿѭӧFP{WҧWKHRWKӭWӵWӯGѭӟLOrQWӯ Fә ÿӃQWUҿQKѭVDX

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7UҫPWtFKFӫDKӋWҫQJEDRJӗPFiF ÿiYөQWK{PjX[iPWUҳQJQkXÿӓÿӓWtPYjFXӝLNӃWVҥQNӃWVӓLFiWNӃWKҥWWUXQJWK{ÿӃQUҩWWK{FKӭDFXӝLVҥQ, ÿ{LNKL[HQOүQYӟLFiFWұSVpWNӃWGj\&XӝLFyNtFKWKѭӟFOӟQWKjQKSKҫQFKtQKOjFiFÿiSKXQ

MSHV: 1570281 WUjRDQGH]LWWXIIDQGH]LWGDFLWULROLWFiFÿiELӃQFKҩWTXDF]LWÿiSKLӃQPLFDÿi Y{LYjPӝWtWPҧQKJUDQLWRLWJDEURPjXÿHQQkXÿӃQÿӓWKүP Ĉk\OjFiFWUҫPWtFKÿѭӧFWKjQKWҥRWURQJP{LWUѭӡQJOөFÿӏDQKѭOǊWtFKVѭӡQ WtFKEӗLWtFKGHOXYLSUROXYLDOXYLôEӏ[yLPzQWӯÿӏDKuQK Q~LWҥLQѫLEҳWÿҫX WKjQKWҥROӟSSKӫWUҫPWtFKÿ{LFKӛWUҫPWtFKUҩWJҫQYӟLQJXӗQYұWOLӋXFXQJFҩS QrQFyÿӝFKӑQOӑFYjÿӝEjRWUzQNpP7UҫPWtFKFyGҥQJPRODWÿLӇQKuQKÿѭӧF WtFKWөWURQJÿLӅXNLӋQGzQJFKҧ\PҥQKQJKqRKRiWKҥFK

7KHRWjLOLӋXÿӏDFKҩQPһWFҳWFӫDKӋWҫQJÿѭӧF[ӃSWѭѫQJӭQJYӟLWұS&/

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+ӋWҫQJ7Uj&~( 3 1 tc) ± 2OLJRFHQGѭӟL

7UҫPWtFKWKXӝFKӋWҫQJQj\QҵPSKӫEҩWFKӍQKKӧSWUrQKӋWҫQJ&j &ӕLYj ÿѭӧFP{WҧWҥLJLӃQJNKRDQ&ӱX/RQJ-;WKXӝFYQJ&j&ӕLKX\ӋQ7Uj&~WӍQK 7Uj9LQKӣÿӝVkXWӯm ± 1220m

7UҫPWtFKÿһFWUѭQJEҵQJVӵ[HQNӁJLӳDFiWNӃWVӓLNӃWYӟLQKӳQJOӟSEӝWVpW FKӭDFXӝLVҥQVӓL&iFFXӝLVҥQFyWKjQKSKҫQWKҥFKKӑFNKiF QKDXFKӫ \ӃX Oj DQGHVLWYjJUDQLW7UҫPWtFKPӏQGҫQӣNKXYӵFWUXQJWkPEӗQWUǊQJ7UҫPWtFKFӫD KӋWҫQJÿDSKҫQOjFiFOӟSÿiVpWNӃWJLjXYұWFKҩWKӳXFѫVpWFKӭDQKLӅXYөQWKӵF YұWYjWKDQPjXÿHQWѭѫQJÿӕLJҳQFKҳF3KҫQOӟQVpWNӃWEӏELӃQÿәLWKӭVLQKYjQpQ pSPҥQKWKjQKDUJLOLWKRһFÿiVpWGҥQJSKLӃQPjX[iPWӕL[iP[DQKKRһF[iPQkX

;HQNӁYӟLFiFOӟSVpWNӃWOjFiFOӟSEӝWNӃWFiWNӃWYjÿ{LNKLFyFiFOӟSVpWY{L 7KjQKSKҫQFӫDVpWNӃWEDRJӗPNDROLQLWLOOLWYjFORULW7ұSVpWQj\ QKLӅXQѫL SKӫWUӵFWLӃSOrQPyQJYzPWUXQJWkPPӓ%ҥFK+ә5ҥQJĈ{QJYjÿyQJYDLWUzOj PӝWWҫQJFKҳQWӕWPDQJWtQKÿӏDSKѭѫQJFKRFiFYӍDFKӭDGҫXWURQJÿiPyQJӣPӓ

%ҥFK+ә5ӗQJ5ҥQJĈ{QJ6ѭ7ӱĈHQô

7UҫPWtFKKӋWҫQJ7Uj&~ÿѭӧFKuQKWKjQKWURQJWѭӟQJÿiP{LWUѭӡQJWUҫPWtFKNKiFQKDXQKѭVѭӡQWtFKOǊWtFKEӗLWtFKV{QJNrQKUҥFKÿӃQÿҫPKӗYǊQJ

MSHV: 1570281 YӏQK&iFWUҫPWtFKVpWPjX[iPÿHQJLjXYұWFKҩWKӳXFѫYjFiFWUҫPWtFKWKӵFYұW WKXӝFWѭӟQJÿҫPKӗYǊQJYӏQK[HQNӁPӝWtWEӝWNӃWWѭӟQJEӗLWtFKÿӗQJEҵQJFKkX WKәSKkQEӕFKӫ\ӃXWҥLFiFWUǊQJVkXÿһFELӋWOjӣKDLErQFiQKSKtD7k\%ҳFYj Ĉ{QJ1DPFӫDÿӟLQkQJ5ӗQJ%ҥFK+әYjSKҫQOӟQWKXӝFO{

&KLӅXGj\FӫDKӋWҫQJGDRÿӝQJWӯÿӃQP 7XәL FӫDKӋWҫQJÿѭӧF[iF ÿӏQKOj2OLJRFHQVӟPWKHRSKӭFKӋEjRWӱSKҩQ2FXORSROOLV0DJQDVWULDWLWHV +Ӌ WҫQJ7Uj&~SKӫEҩWFKӍQKKӧSWUӵFWLӃSWUrQFiFÿiPyQJ WUѭӟF.DLQR]RL [4]

+ӋWҫQJ7Uj7kQ(E 3 2 tt) ± 2OLJRFHQWUrQ

+ӋWҫQJ ÿѭӧF[iFOұSӣJLӃQJNKRan 15A-1X 7UҫPWtFKKӋWҫQJ7Uj7kQSKkQ EӕUӝQJUmLKѫQVRYӟLKӋWҫQJ7Uj&~YjFyEӅGj\WKD\ÿәLNKiPҥQKPӁӣFiFNKX YӵFNKiFQKDXFӫDEӗQ WUǊQJ7KHRWjLOLӋXÿӏDFKҩQKӋWҫQJÿѭӧFFKLDOjPWұS QKѭVDX

7ұS(WUrQJӗPFKӫ\ӃXOjFiWNӃWKҥWPӏQÿӃQWK{ÿ{LFKӛVҥQFXӝLNӃW[HQ NӁVpWNӃWQkXÿұPQkXÿHQEӝWNӃWWӹOӋFiWVpWWKD\ÿәLWURQJNKRҧQJUӝQJWӯ- 7UҫPWtFKWұS(WUrQWtFKWөFKӫ\ӃXWURQJP{LWUѭӡQJÿӗQJEҵQJV{QJÿӗQJ EҵQJYHQKӗDOXYLYjKӗ%Ӆ Gj\WUҫPWtFKWKѭӡQJWURQJNKRҧQJm-1000m

7ұS'WKjQKSKҫQFKӫ\ӃXOjVpWNӃWQkXÿұPQkXÿHQFiWNӃWYjEӝWNӃWWӹ OӋFiWVpWNKRҧQJ-ÿ{LFKӛFy[HQFiFOӟSPӓQJÿiY{LWKDQ7UҫPWtFKWұS ' WtFK Wө FKӫ \ӃX WURQJ P{L WUѭӡQJ ÿӗQJ EҵQJ YHQ Kӗ Yj Kӗ %Ӆ Gj\ WUҫP WtFK WKѭӡQJWURQJNKRҧQJm-1000m

7ұSCFKӫ\ӃXOjVpWNӃWPjXQkX± QkXÿұPQkXÿHQUҩWtWVpWPjXÿӓFiW NӃWYjEӝWNӃWWӹOӋFiWVpWNKRҧQJ0-60% TUҫPWtFKWұS&WtFKWөFKӫ\ӃXWURQJ P{LWUѭӡQJÿӗQJEҵQJV{QJÿӗQJEҵQJYHQKӗÿӗQJEҵQJFKkXWKә %ӅGj\WUҫP WtFKWKѭӡQJWURQJNKRҧQJm-400m

+ӋWҫQJ7Uj7kQSKӫEҩWFKӍQKKӧSOrQKӋWҫQJ7Uj&~7URQJPһWFҳWÿӏDWҫQJ EҳW JһS QKӳQJ KyD WKҥFK EjR Wӱ SKҩQ ) 7ULOREata, Verutricolporites,

+ӋWҫQJ%ҥFK+ә1 1 1 bh) ± 0LRFHQGѭӟL

+Ӌ WҫQJ %ҥFK +ә ÿѭӧF [iF OұS WҥL JLӃQJ NKRDQ %+-; 7UҫP WtFKhӋ WҫQJ

%ҥFK+әEҳWJһSӣKҫXKӃWFiFJLӃQJNKRDQWURQJEӗQWUǊQJ&ӱX/RQJSKӫNK{QJ

MSHV: 1570281 FKӍQKKӧSJyFOrQWUrQKӋWҫQJ7Uj7kQEDRJӗPWұS

7ұS%,FKӫ\ӃXOjFiWNӃWSKkQOӟSPӓQJPjX[iPÿHQ[iP[DQKORDQJOә YӟLWӍVӕFiWVpWNKiOӟQYj[HQFiFOӟSEӝWNӃWPjX[iPPjXQkX[HQNӁFiFGҧLÿi SKXQWUjREDVDOWӣSKtD1DPYjĈ{QJ%ҳFEӗQWUǊQJ

7ұS%,FKӫ\ӃXOjVpWPjX[iPQkXÿӓFKX\ӇQGҫQOrQVpWPjX[iP[DQK ÿӗQJQKҩWFKӭDKRiÿiÿӝQJYұWELӇQQKyP5RWDOLDQrQJӑLOjVpW5RWDOLGFKӫ\ӃX Oj$PPRQLDFyNtFKWKѭӟFPP

Mһt cҳt trҫPWtFKFӫa hӋ tҫng Bҥch Hә phҧQiQKPӝWTXiWUuQKELӇn tiӃQÿLӇn KuQKFKRP{LWUѭӡQJÿӗng bҵQJFKkXWKә ± chuyӇn tiӃSYjNӃWWK~FEҵng trҫPWtFK biӇQÿѭӧc thӇ hiӋQTXDWjLWLӋu thҥch hӑFYjFә sinh

Tuәi Miocen sӟm cӫa hӋ tҫng Bҥch Hә FǊQJÿѭӧF [iF ÿӏQKWUrQ FѫVӣ KyD thҥFKEjRWӱ phҩQ)/HYLSROL0DJQDVWULWLWHV3LQXVSROOHQLWHV$OQLSROOHQLWHVYjYL cә sinh Ammonia [4]

HӋ tҫQJ&{Q6ѫQÿѭӧF[iFOұp ӣ giӃng khoan 15-B-;&iFWKjQKtҥo cӫa hӋ tҫng phӫ NK{QJFKӍnh hӧSJyF\ӃXWUrQFiFWUҫPWtFKFӫa hӋ tҫng Bҥch Hә BӅ Gj\ hӋ tҫQJWKD\ÿәi tӯ 250m ÿӃn 900m

Tәng quan vӅ khu vӵFQJKLrQFӭu - hӋ tҫQJ&{Q6ѫQNKXYӵFUuD7k\

MSHV: 1570281 /{ + + Fy Wәng diӋQ WtFK NKRҧng 11823 km 2 vӟL ÿӝ VkX Qѭӟc biӇn khoҧng 40-70m, nҵm ӣ SKtDĈ{QJ%ҳc bӗQWUǊQJ&ӱX/RQJFiFKWKjQKSKӕ 9ǊQJ 7jXNKRҧng 200km vӅ SKtDĈ{QJ

Khu vӵF7k\%ҳFO{+Qҵm ӣ SKtDĈ{QJ1DPFӫD ÿӟLQkQJSKtDĈ{QJ bӗQWUǊQJ&ӱu Long (+uQK1.5ĈӟLQkQJSKtDĈ{QJQҵm giӳDÿӟLQkQJ&{Q6ѫQ YjÿӟLSKkQGӏ Ĉ{QJ%ҳc [9]

+uQK1.5 C̭XWU~FP̿W0yQJ E͛QWUǊQJ&͵X/RQJWUrQNK{QJJLDQFKL͉X

Cҩu tҥo KV nҵm ӣ phҫQĈ{QJ%ҳc dҧLQkQJ$PHWK\VWJҫn ranh giӟi giӳDO{

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Lӏch sӱ WuPNLӃPWKăPGz/{+FQJYӟLO{+Jҳn liӅn vӟi lӏch sӱ WuP kiӃP WKăP Gz GҫX NKt Wӯ WUѭӟF ÿӃn nay cӫa O{ + + FiF KӧS ÿӗng dҫX NKt WUѭӟFÿk\ÿmNêWKѭӡng bao gӗm cҧ O{Qj\YjÿѭӧFFKLDOjPJLDLÿRҥQFKtQK (Bҧng 1.1):

Tӯ QăPÿӃQQăP&{QJW\3HWURQDV0DOD\VLDOjQKjWKҫu hoҥt ÿӝQJWKăPGzO{H70&H753HWURQDVÿmWKXQә 563,73km 2 tuyӃn ÿӏa chҩQ'QăP 2002 tҥi phҫQSKtD1DPFӫDO{NKXYӵFĈ{QJĈ{±7KăQJ/RQJYjNPWX\Ӄn ÿӏa chҩQ'WURQJFiFQăPYjYjÿmNKRDQJLӃQJWKăPGzWUrQ diӋQWtFKO{H70&H75 WURQJÿyFyJLӃng 01-A-1X thuӝc khu vӵFQJKLrQFӭu tuy QKLrQcho kӃt quҧ NK{6DXJLDLÿRҥQWKăPGz3HWURQDVÿmJLӳ lҥi mӝt phҫQYQJ SKtD7k\O{+FiFPӓ 5XE\-DGH'LDPRQG7RSD]YjÿmWUҧ lҥi diӋQWtFKSKҫn lӟQKDLO{H70&H75

Tӯ QăPÿӃQ3HWURQDVFQJYӟi TәQJ&{QJW\7uPNLӃP7KăPGz KDL WKiF DҫXNKt 39(3WKjQK OұS&{QJW\ĈLӅXKjQKFKXQJ /DP6ѫQ-2& hoҥWÿӝQJWUrQSKҫn diӋQWtFKFӫDO{ /DP6ѫQ-2&ÿmWLӃQKjQKWKX nә 538km 2 'YjWiL[ӱ OêNP 2 'YjNPWX\ӃQÿӏa chҩn 2D Khoan 07

MSHV: 1570281 giӃQJNKRDQWKăPGzYjWKҭPOѭӧQJYjNӃt quҧ ÿmSKiWKLӋQFiFPӓ Ĉ{QJĈ{'' 7KăQJ/RQJ7/Yj+ә ;iP1DP+;6/DP6ѫQ-2&ÿmJLӳ lҥi phҫn diӋQWtFK mӓ Ĉ{QJĈ{7KăQJ/RQJYj+ә ;iP1DPÿѭDYjRJLDLÿRҥQSKiWWULӇQYjSKҫn FzQOҥLVDXQj\OjO{H70&H75ÿѭӧFKRjQWUҧ lҥi sau khi kӃWWK~FSKDWKăPGzFӫa hӧSÿӗng

Tӯ QăPÿӃQQD\'R&{QJW\7KăPGz.KDLWKiF'ҫXNKt7URQJQѭӟc 39(332&ÿLӅXKjQKWUrQSKҫn diӋQWtFK/DP6ѫQ-2&KRjQWUҧ39(332&ÿm tiӃQKjQKWKXQә Yj[ӱ OêNP 2 ÿӏa chҩn 3D ӣ SKtD1DPO{+QăP1ăP

WiLxӱ OêNP 2 ÿӏa chҩQ'ÿѭӧc thu nә QăPEӣi Petronas) ӣ khu vӵc 91ăP39(332&ÿmWLӃQKjQKWKXQә Yj[ӱ OêNPWX\ӃQÿӏa chҩn 2D YjNP 2 tuyӃQÿӏa chҩn 3D bao phӫ hҫu khҳSFiFFҩu tҥo tҥi phҫQSKtD%ҳFO{

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%̫QJ1.1 7yPW̷WO͓FKV͵WuPNL͇PWKăPGzWUrQO{+ +

Seismic GiӃng khoan KӃt quҧ khoan

MSHV: 1570281 1996 Agate - '67 WURQJ PyQJ YӟL OѭX Oѭӧng 2633

- K{QJ'67WURQJFODVWLF - '67WURQJPyQJFyOѭXOѭӧng 1000- WKQJQѭӟFQJj\

HT-1X - DST#1 (Lower-0LRWKXÿѭӧFWKQJ dҫu (9 o API)

- '670LG0LROѭXOѭӧng 132 WKQJGҫXQJj\ o API)

- '67PyQJ: main flow ~ 2000 WKQJGҫXQJj\-38 o API) vӟi 28%

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- DST#3 (BII.1.10): main flow ~ 400-500 WKQJGҫXQJj\-20 o API), N2 lift

- '67PyQJPDLQIORZaWKQJ dҫXQJj\-37 o API) vӟi BSW~50% tҥLFKRNHVL]H´

- DST#3 (Olig.'NK{QJFKRGzQJ - DST#4 (Mio %,NK{QJFKRGzQJ

OѭX OѭӧQJa WKQJ GҫXQJj\ 0 API), N2 lift

MSHV: 1570281 ĈһFÿLӇPÿӏDFKҩWFҩXWҥR.9O{+ a ĈһFÿLӇPÿӏDWҫQJ

&ăQFӭ YjRNӃt quҧ P{Wҧ mүu vөn khoan, kӃt quҧ OLrQNӃWÿӏa tҫQJFiFJLӃng khoan KV-1X, KV-2X, KV-;FiFSKkQYӏ ÿӏa tҫng ӣ cҩu tҥo KV, khu vӵFUuD7k\

BҳF O{+JӗP PyQJWUѭӟc Kainozoi Yj WUҫPWtFK.DLQR]RL+uQK1.7) Mһt cҳt OLrQNӃt giӃng khoan cho thҩy sӵ WKD\ÿәi vӅ bӅ Gj\FKLӅXVkXWKjQKSKҫn thҥch hӑc cӫDFiFKӋ tҫQJTXDFiFJLӃng trong khu vӵFQJKLrQFӭu (+uQK1.8)

+uQK1.7 &͡Wÿ͓DW̯QJW͝QJKͫSO{+ [7]

+uQK1.8 0̿WF̷WOLrQN͇WJL͇QJNKRDQWKHRWjLOL XĈ9/* [7] x 0yQJWUѭӟFĈӋ7DP

Trong khu vӵc cҩu tҥR.9ÿiPyQJQҵm ӣ ÿӝ VkXWӯ ÿӃQWUrQ3000mSS

TҥLFiFJLӃng khoan KV-1X, KV-2X, KV-;Yj.9-4XP gһSPyQJӣ ÿӝ VkXWѭѫQJ ӭQJOjP66P66P66YjP66EDRJӗm chӫ yӃXOjJUDQLWHQӭt nҿ, Montzo-diorite thҥch anh ĈiPyQJÿѭӧFFKLDOjPKDLSKҫn: phҫQWUrQEDRJӗPÿigUDQLWHSKRQJKyD biӃQÿәi ӣ mӭFÿӝ NKiFQKDX7KjQKSKҫn gӗm: granite SKRQJKyD[HQFiFNKRiQJ vұt thӭ VLQKQKѭ3\ULWH(SLGRWH+RUEOHQGYjtW&DQFLWH3KҫQGѭӟLOjJUDQLWHQӭt nҿ, bӏ lҩp nhҽ bӣL &DQFLWH FiF NKRiQJ YұW VpW QJRjL UD Eҳt gһS FiF ÿDL Pҥch

*UDQRGLRULWH Yj *UDQRSK\UH 7KjQK SKҫQ NKRiQJ YұW FKtQh cӫD ÿi Oj WKҥch anh, )HQVSDW NDOL 3ODJLRFOD Yj Oѭӧng nhӓ PLFD QJRjL UD FzQ FiF NKRiQJ Yұt thӭ sinh QKѭVpW&ORULWH=HROLWHYj&DQFLWH

HӋ thӕng khe nӭt cӫDÿiPyQJFyWtQKOLrQWK{QJWӕt YjOjÿLӅu kiӋn tӕWÿӇ dҫXNKtGӏch chuyӇn YjR7Xәi tuyӋWÿӕi cӫDÿiPyQJNӃWWLQKWKHRSKkQWtFKÿӗng vӏ SKyQJ[ҥWKD\ÿәi tӯ 250 triӋXQăPÿӃn 90 triӋXQăP [10] x &iFWKjQKWҥR.DLQR]RL

%DRJӗPFiFWUҫPWtFKFyWXәLWӯ2OLJRFHQWӟLÿӋ7ӭYjÿѭӧFFKLDWKjQKFiF

TL-3X TL-2X KV-2X KV-4XP KV-3X HT-1X

MSHV: 1570281 SKkQYӏÿӏDWҫQJWѭѫQJÿѭѫQJYӟLFiFWұSÿӏDFKҩQ('%,%,,%,,,Yj$WұS&

NK{QJEҳWJһSWURQJNKXYӵFQJKLrQFӭXGRYҳQJPһWWUҫPWtFK

TrҫPWtFKFӫa hӋ tҫQJ7Uj &~ ӣ khu vӵF QJKLrQFӭXOjFiF WKjQKtҥo trҫm WtFKFyQJXӗn gӕc bӗLWtFKV{QJSKӫ bҩt chӍnh hӧSOrQWUrQPyQJJUDQLWH%Ӆ Gj\

WKD\ÿәi tӯ 20m (ӣ phҫQQyFFҩXWU~FQyFGҧLQkQJ$PHWK\VWÿӃn 450m (ӣ phҫn Vѭӡn cҩXWU~FFiFÿӏDKjR

&iFJLӃQJ.9ÿӅu gһp trҫPWtFKFӫa tұp E (+uQK1.9), bӅ Gj\Wӯ ÿӃn 45m QKѭQJNKiFQKDXYӅ WKjQKSKҫn thҥch hӑc 7KjQKSKҫn thҥch hӑc chӫ yӃu cӫa tҫng (OjFiWNӃt xen kҽp vӟLVpWEӝt kӃt, 6pWNӃWFyPjXQkXÿHQJLjXYұt chҩt hӳXFѫ KѫL PӅP ÿӃn rҩt cӭQJ Fy WKӇ WiFK KRһF EiQ WiFK ÿѭӧF ÿ{L NKL Jһp vұt liӋu FDUERQDWHPjXÿHQKD\S\ULWH&iWNӃWPjXWUҳng sӳDPjX[iPQkXÿӃQ[iPVүm PjXÿӝ hҥt tӯ mӏQÿӃn rҩt mӏn, thӍnh thoҧng bҳt gһSÿӝ hҥt tӯ WUXQJEuQKÿӃQWK{ ÿ{LNKLEҳt gһSFiFPҧQKIHOGVSDUYjJUDQLWHÿӝ lӵa chӑn tӯ WUXQJEuQKWӟLNpPEiQ JyFFҥQKÿӃQEiQWUzQFҥnh [10] Ӣ giӃng KV-1X, tұp E chӫ yӃXOjVpWNӃt, bӝt kӃt Sang giӃng KV-2X, KV-4XP KjPOѭӧQJFiWWăQJOrQQKѭQJUҩWJLjXNDROLQLWHQrQҧQKKѭӣQJÿӃn chҩWOѭӧQJÿiFKӭa Ӣ khu vӵc mӓ 7KăQJ/RQJ+uQK1.10), tұp E rҩWGj\YjFKӫ yӃXOjFiW kӃWOjWҫng chӭDFKtQK

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HӋ tҫQJ7Uj7kQӣ khu vӵc cҩu tҥR.9FyEӅ Gj\WKD\ÿәi tӯ ÿӃn 600m ErQ Vѭӡn) TrҫP WtFK FKӫ yӃX Oj VpW QJXӗn gӕF ÿҫm hӗ Qѭӟc ngӑW ÿѭӧF [HP Oj tҫQJVLQKYjFKҳn tӕW6pWNӃWFyPjXQkXVүPÿӃQ[iPQkXFӭQJÿӃn rҩt cӭng, dҥng khӕi, tҩPÿӃQSKkQSKLӃn, chӭa vұt liӋXFDUERQDWWѭѫQJӭng vӟi tұSÿӏa chҩn D Tұp

MSHV: 1570281 ÿӏa chҩn C bӏ EjRPzQYiWQKӑQQrQNK{QJEҳt gһp ӣ khu vӵFQJKLrQFӭu (+uQK 1.11) Trҫm WtFKKӋ tҫQJ7Uj7kQSKӫ bҩt chӍnh hӧSOrQKӋ tҫQJ7Uj&~ [9]

+uQK1.11 M̿t c̷WK˱ͣQJ7k\%̷F± Ĉ{QJNam TXDUuD7k\%̷FO{H75 [11]

+ӋWҫQJ%ҥFK+ә1 1 1 bh) ± 0LRFHQVӟP- 7ұSÿӏDFKҩQ%, Ӣ khu vӵFQJKLrQFӭu, tұp BI bҳt gһp tҥLFiFJLӃng khoan KV-1X, 2X, 3X, 4X tӯ ÿӝ VkXP66ÿӃn 1.830mSS BӅ Gj\WUҫPWtFKFӫa hӋ tҫQJQj\WURQJNKX vӵc O{+WKD\ÿәi tӯ PÿӃQKѫQPFjQJYӅ SKtDĈ{QJUDÿӟLQkQJ&{Q 6ѫQFjQJPӓng HӋ tҫng Bҥch Hә phӫ bҩt chӍnh hӧSWUrQKӋ tҫQJ7Uj7kQWұp D)

Cҩu tҥRQrQKӋ tҫng Bҥch Hә gӗm 02 phҫn (+uQK1.12):

- 3KөKӋWҫQJ%ҥFK+әGѭӟLWѭѫQJӭQJYӟLWұSÿӏDFKҩQ%,FKӫ\ӃXOjFiWKҥW QKӓÿӃQKҥWWK{PӏQ[HQNӁFiFOӟSEӝWYj VpWPjX[iP[iPÿӓÿѭӧFWKjQKWҥR WURQJP{LWUѭӡQJÿӗQJEҵQJEӗLWtFKV{QJFjQJOrQWUrQFjQJQKLӅXVpWEӝWNӃW

Phө hӋ tҫQJQj\KLӋQÿDQJOjÿӕLWѭӧQJNKDLWKiFӣ mӓ 7KăQJ/RQJ- Ĉ{QJĈ{

(gҫn khu vӵFQJKLrQFӭXYjOjÿӕLWѭӧQJÿmÿѭӧFSKiWKLӋn dҫXNKtӣ cҩu tҥo KV thuӝFUuD7k\%ҳFO{+

- 3KөKӋWҫQJ%ҥFK+әWUrQWѭѫQJӭQJYӟLWұSÿӏDFKҩQ%,QyFFӫDWҫQJQj\

WKѭӡQJ Oj PӝW OӟS VpW PjX [DQK JLjX KyD WKҥFK URWDOLGHD WKѭӡQJ JӑL Oj WҫQJ VpWURWDOLGÿѭӧFWKjQKWҥRFKӫ\ӃXWURQJP{LWUѭӡQJELӇQQ{QJ- ÿӗQJEҵQJYHQEӡEӅ

MSHV: 1570281 Gj\FӫDWҫQJVpWURWDOLGӣNKXYӵFQj\NKRҧQJPÿӃQKѫQPӣJLӃQJ.9SKҫQ QyFWKѭӡQJEӏELӃQWѭӟQJQKLӅXFiWtWVpWGRJLӃQJQҵPӣUuDEӗQWUǊQJ Ӣ bӗQ WUǊQJ &ӱu Long, tҫQJ VpW URWDOLG Qj\ ÿyQJ YDL WUz Oj Wҫng chҳn khu vӵF &zQFiF WҫQJFiW [HQ NӁ Fy FKҩWOѭӧng thҩPÿӝ rӛQJYj ÿӝ OLrQWK{QJNpP WKѭӡng chһW[tWQrQNK{QJFyWULӇn vӑng dҫXNKt

+uQK1.12 3KkQFKLDYjOLrQN͇WK W̯QJ%̩FK+͝W̵Sÿ͓DFK̭Q%, [7]

+ӋWҫQJ&{Q6ѫQ1 1 2 cs) ± 0LRFHQJLӳD± 7ұSÿӏDFKҩQ%,,

HӋ tҫQJ&{Q6ѫQFyFKLӅXGj\Wӯ ÿӃn 500m TrҫPWtFKFӫa hӋ tҫQJQj\

WKjQKWҥRWURQJP{LWUѭӡQJÿҫm lҫy ± ÿӗng bҵng ven biӇn ӣ SKtDĈ{QJ7KjQKSKҫn chӫ yӃu bao gӗPFiWNӃWSKkQOӟSGj\Gҥng khӕi (10-PSKkQFKLDEӣLFiFOӟp VpWNӃt, bӝt kӃt mӓng

HӋ tҫQJ&{Q6ѫQÿѭӧc bҳt gһp ӣ FiFJLӃQJNKRDQWUrQFҩu tҥo KV khu vӵc UuD 7k\ %ҳF O{ +HӋ tҫQJ &{Q 6ѫQ ÿѭӧF P{ Wҧ chi tiӃt trong mөc 3.1 thuӝc

+ӋWҫQJĈӗQJ1DL1 1 3 ÿQ± 0LRFHQPXӝQ± 7ұSÿӏDFKҩQ%,,,

TrҫPWtFKKӋ tҫQJĈӗng Nai nҵm bҩt chӍnh hӧSOrQFiFWUҫPWtFKFӫa hӋ tҫng

&{Q 6ѫQ 7UҫP WtFK Fӫa hӋ tҫQJ Qj\ ÿѭӧF WKjQK WҥR WURQJ P{L WUѭӡQJ ÿҫm lҫy ± ÿӗng bҵQJFKkXWKә ӣ phҫQ7k\EӗQWUǊQJÿӃQUuDYӏQKYjELӇQQ{QJӣ phҫQĈ{QJ

KNV-4XPST KNV-4XP KV-4X KNV-2X KV-2X KNV-1X KV-1X

MSHV: 1570281 bӗQWUǊQJ7KDPJLDYjRKӋ tҫng gӗPFiFOӟSFiWKҥWWK{ÿӃn hҥt mӏn, JăQNӃt yӃu, xen kҽp lӟp bӝWVpWYjWKDQÿѭӧFWKjQKWҥRWURQJP{LWUѭӡQJÿҫm lҫy - ÿӗng bҵng FKkXWKә ӣ phҫQ7k\EӗQWUǊQJÿӃQUuDYӏQKYjELӇQQ{QJӣ phҫQĈ{QJEӗQWUǊQJ BӅ Gj\Fӫa hӋ tҫQJWKD\ÿәi tӯ PÿӃn 650m [10]

+ӋWҫQJ%LӇQĈ{QJ1 2 Eÿ) ± Pliocen ± 7ұSÿӏDFKҩQ$

HӋ tҫng BiӇQĈ{QJSKӫ bҩt chӍnh hӧSWUrQWUҫPWtFKKӋ tҫQJĈӗQJ1DLFy chiӅXGj\Wӯ 500-PWKjQKSKҫn chӫ yӃXOjFiWFiWNӃW[HQVpWVpWNӃWOѭӧng nhӓ ÿiY{LYjJҫQÿi\Fӫa hӋ tҫQJFyYjLOӟp than mӓng Suӕt mһt cҳt trҫPWtFKSKRQJ SK~KyDÿiFyQѫLWӗn tҥLFiFGҧLGj\ÿһc vӓ Vz0{LWUѭӡng lҳQJÿӑng trҫPWtFKFKӫ yӃXOjELӇQQ{QJ b ĈһFÿLӇPFҩXWU~F

/{+QҵPӣSKtDWұQFQJĈ{QJ%ҳFFӫD EӗQWUǊQJ &ӱX/RQJÿӟLQkQJ

Cѫ VӣWjLOLӋX

LuұQYăQÿѭӧc thӵc hiӋQWUrQFѫVӣ FiFWjLOLӋXÿӏa chҩQWURQJO{+YjNKX vӵFOkQFұQWjLOLӋXFiFJLӃng khoan KV-1X; 2X; ;;3YjFiFJLӃng DD-1X;

;;FiF%iRFiRSKkQWtFKPүu sau khoan cӫDFiFJLӃQJQyLWUrQJӗPSKkQ WtFKVLQKÿӏa tҫng, thҥch hӑFÿӏDKyD%iRFiRP{Wҧ mүXO}LJLӃng KV-2X; kӃt quҧ minh giҧLÿӏa chҩQÿӏa vұWOêJLӃng khoan

1JRjLUDWURQJOXұQYăQFzQVӱ dөng mӝt sӕ WjLOLӋXOLrQTXDQFӫa TұSÿRjQ dҫX NKt 9LӋW 1DP Yj &{QJ W\ GҫX NKttURQJ QѭӟF FiF QJKLrQ FӭX ÿѭӧF F{QJ Eӕ WURQJFiFF{QJWUuQKWUrQFiFWҥSFKtÿӏa chҩWFiFWұp san vӅ dҫXNKt

7jLOLӋu ÿӏa chҩQÿѭӧc sӱ dөng trong EiRFiRQj\EDRJӗPFiFFXEHÿӏa chҩn 'ÿѭӧc thu nә bӣLQKjÿLӅXKjQK3HWURQDV&DULJDO\9LHWQDPQăPEDRSKӫ WRjQEӝ phҫn diӋQWtFKFҩu tҥRQJKLrQFӭu (+uQK2.1) 7jLOLӋXÿѭӧFWiL[ӱ OêQăP 2010 bӣL&{QJW\GҫXNKt7URQJQѭӟFQKuQFKXQJFKҩWOѭӧQJWjLOLӋXÿӏa chҩQÿѭӧc ÿiQKJLiWӯ WUXQJEuQKÿӃn tӕWÿҧm bҧo cho viӋFOLrQNӃt, minh giҧLYjWKjQKOұSFiF bҧQÿӗ cҩXWU~FWURQJO{+uQK2.2)

+uQK2.1 TjLOL Xÿ͓DFK̭QNKXY͹FQJKLrQFͱXYjYQJOkQF̵Q [9]

PVCL 3D 2002 STN-HX 2010 HL2010-HV2001-HV2004 KNV 2011

CV91 Lines were acquired by CGG in 1991 (36 lines)

CV93 Lines were acquired by SPT in 1993 (65 lines)

CV95 Lines were acquired by Geco-Prakla in 1995 (60 lines)

POC2012 Lines were acquired by CGGVeritas in 2012 (67 lines)

+uQK2.2 6RViQKFK̭WO˱ͫQJWjLOL Xÿ͓DFK̭Q'VDXNKLWiL[͵OêQăP

2.1.2 7jLOLӋXÿӏDYұWOêJLӃQJNKRDQ

7jL OLӋX ÿӏa vұW Oê JLӃQJ NKRDQ Ĉ9/* EDR JӗP FiF WjL OLӋX FDURWD NKt 0XG ORJJLQJ Wә KӧS FiF SKѭѫQJ SKiS ÿLӋQ //' //6 06)/ 63 SKyQJ [ҥ

*5PұWÿӝQHXWURQôVLrXkPYjFiFSKѭѫQJSKiSNKiFFӫDFiFJLӃng khoan WURQJO{+QKѭ%ҧQJ2.1

%̫QJ2.1 7K͙QJNrWjLOL XĈ9/*.Yj/:'WKXWK̵SWͳFiFJL͇QJNKRDQ [7]

Type Log run Covered sequence mMD mTVD

PEX-HRLA-PPC-SS (Tools hang up at 2013mMD)

MDT-GR (Tools hand up@ 1690m)

Total: 19 pretest points (valid :8, tight: 4, lost seal: 7 ; PO: 3-No sampling

1889.6 GR-VSI (shooting interval 15m) BII, BI, D

2011 Pre-Stack TIME Migration (Inline2400)

2004 Pre-Stack TIME Migration (Inline2400)

15-1-ST-1X 15-1-ST-2X 15-1-ST-4X 15-1-ST-NE

Wireline CST-GR (60 shots, recovered 58) BII, BI, D ò´

500- 1789.5 Wireline CBL-VDL-GR-CCL

806- 1787.5 Wireline VSI-GR (Shooting interval: 50m)

1308 Wireline TTRM/GR/CN/ZDL/XM

1971 Wireline TTRM/GR/CN/ZDL/XM

2163 Wireline PCL/TTRM/GR/STAR BSMT

1935 LWD Dir+Gam+Res A; BII

1935- LWD Dir+Gam+Res+Den+Neu BII.1; BI;

2670 LWD Dir+Gam+Res+Den+Neu

2789 LWD Dir+Gam+Res BSMT

3011 LWD Dir+Gam+Res+Den+Neu

3011 Wireline GR/RTEX/STAR BSMT

Gamma Ray + Resistivity + Neutron + Density + Caliper + Pe + Annular Pressure + Directional Survey

PCOR-GR (Unsuccessful due to cutting go to core barrel)

Gamma Ray + Resistivity + Neutron + Density + Caliper + Pe + Annular Pressure + Directional Survey

VSP-GR

2006- Wireline STAR-RTEX-GR BSMT

WD Dir+Gam+Res +Ann Pres A to

SWVL/JAR/TTRM/GR/Z DL/CN/XMAC/ORIT/RT EX/MLL

+Den +Caliper +Pe +Ann Pres

WD Dir+Gam+Res E to

1700 Wireline STAR-XMAC-GR BII.2 to

2524 Wireline PCOR-GR BI.1 to

&iFWjLOLӋu giӃQJNKRDQNKiFEDRJӗPWjLOLӋu mүXPQNKRDQPүXVѭӡn, mүXO}L QKѭ%ҧQJ2.2FiFEiRFiRÿӏa chҩt giӃQJNKRDQWjLOLӋXÿR5&,

%̫QJ2.2 &iFOR̩LP̳Xÿ̭WÿiWKXWK̵SWͳFiFJL͇QJNKRDQ [7]

&iFWjLOLӋu giӃQJNKRDQWUrQPӓ 7KăQJ/RQJ Ĉ{QJĈ{FǊQJÿmÿѭӧc sӱ dөQJOjPWjLOLӋu tham khҧRWURQJTXiWUuQKWKӵc hiӋn

2.2 +ӋFiFSKѭѫQJSKiSQJKLrQFӭX ĈӇ OjPViQJWӓ cҩXWU~FÿһFÿLӇPÿӏa tҫQJYj[iFÿӏQKFiFFҩu tҥo triӇn vӑng phөc vө FKR F{QJWiF WuPNLӃPYj WKăP Gz GҫXNKtWiF JLҧ [iF ÿӏQKFiF SKѭѫQJ SKiSQJKLrQFӭu gӗPFySKѭѫQJSKiSWәng hӧp ± xӱ OêVӕ liӋXSKѭѫQJSKiSÿӏa vұWOêSKѭѫQJSKiSÿӏa chҩW&iFSKѭѫQJSKiSQj\Eә sung, hӛ trӧ QKDXWURQJTXi WUuQKQJKLrQFӭXFKXQJ&KXWUuQKWәng hӧSSKѭѫQJSKiSQJKLrQFӭXÿѭӧc thӇ hiӋQQKѭ+uQK2.3&KXWUuQKQj\FKRWKҩ\YDLWUzVӵ ÿyQJJySFӫa tӯQJSKѭѫQJ SKiS NӃt quҧ tӯQJ EѭӟF Yj NӃt quҧ ÿҥW ÿѭӧc cuӕL FQJ Oj Oӵa chӑn vӏ WUt JLӃng khoan

+uQK2.3 &KXWUuQKW͝QJKͫSFiFSK˱˯QJSKiSQJKLrQFͱXYjN͇WTX̫WKXÿ˱ͫF [11] т tính

Minh JLҧL các WҫQJ và ÿӭW gãy

%ҧQ ÿӗ ÿҷQJ dày các WҫQJ ĈӏD FKҩW khu YӵF Tài OLӋX giêng khoan ĈiQK giá WLӅP QăQJ Thông Vӕ tính WUӳ OѭӧQJ

Tài OLӋX JLӃQJ khoan, 7KXӝF tính ÿӏD FKҩQ, ӃW TXҧ phân tích PүX

Tài OLӋX JLӃQJ khoan ĈӏD YұW lý GK:

UӛQJ, WKҩP, bóo hũa QѭӟFô

General Steps

ĈiVLQK

ĈiVLQKWURQJNKXYӵc l{+OjFiFWұSVpWGj\ÿѭӧFWKjQKWҥRWURQJP{L WUѭӡQJÿҫm hӗ tuәL2OLJRFHQJӗPFiFWұS'(ÿһc biӋWOjWұSVpW'ÿѭӧFÿiQKJLi rҩt cao (+uQK3.2&iFWұSVpW2OLJRFHQQj\chӭa 20-VpWFyPjXÿHQQkXÿHQ YjQJÿHQQkX[iPUҩWÿһFWUѭQJFKRÿiVpWJLjXYұWFKҩWKӳXFѫ

+uQK3.2 0̿WF̷WK˱ͣQJ7k\1DP ± Ĉ{QJ%̷F TXDNKXY͹FQJKLrQFͱX [11]

Theo kӃt quҧ SKkQWtFK9LWULQLWHYjSKkQWtFKQKLӋWWKuÿiPҽ cӫa khu vӵc O{

+ÿmWUѭӣQJWKjQKĈiPҽEҳWÿҫXWUѭӣQJWKjQKӣ ÿӝ VkXPWUӣ xuӕng vӟi ÿӍnh cӱa sә tҥo dҫu tҥLÿӝ VkXP1JXӗn cung cҩp dҫXNKtFKtQKFKRFiFFҩu tҥo khu vӵF7k\%ҳFO{+OjFiFWұSVpWVLQKSKkQEӕ ӣFiFWUǊQJÿӏDKjROkQFұQ ÿһFELӋWOjWUǊQJÿӏDKjRSKtD1DPFҩXWҥR-DGHYjWUǊQJWUXQJWkPSKtDĈ{QJEӗn WUǊQJ&ӱu Long (+uQK3.3)

Theo kӃt quҧ SKkQWtFKÿӏDKyDFiFgiӃng khoan khu vӵFO{FKRWKҩy ÿiPҽ rҩW JLjX KjP Oѭӧng hӳX Fѫ Yj WLӅP QăQJ VLQK dҫX NKt rҩt tӕt vӟL 72& FDR YjKerogen loҥL,Yj,,OjFKӫ yӃu (TOC = 2-22 %, S2 = 13-189 Kg/T, S1+S2 = 16-193 Kg/T, HI = 648-860mg/g, PI= 0.02-0.2) (+uQK3.4) [7] [9]

+uQK3.3 &iFQJX͛QVLQKG̯XNKtFKRNKXY͹FQJKLrQFͱX [11]

ĈiFKӭD

KӃt quҧ FiFJLӃQJNKRDQWURQJO{+ÿmFKӭQJPLQKFyORҥi tҫng chӭa FKtQKOjÿiPyQJJUDQLWQӭt nҿ YjFiWNӃt [7] [12] ĈiPyQJ JUDQLWQӭWQҿ

&iFJLӃQJWUrQFҩu tҥR.9ÿӅXNKRDQYjRWҫQJÿiPyQJJUDQLWHYӟi bӅ Gj\Wӯ PÿӃn gҫn 200m BiӇu hiӋn dҫXNKtWURQJNKLNKRDQWӯ WUXQJEuQKÿӃn tӕWÿһc biӋt ӣ nhӳQJÿӟi giұp vӥ, nӭt nҿ cҩu tҥo KV (+uQK3.5) Ĉi PyQJQӭt nҿ Yj SKRQJKyD ÿѭӧF [iF ÿӏQKOjÿi JUDQLWH Yj JUDQRGLRULWH vӟLWKjQKSKҫn gӗm plagioclase, feldspar K, thҥFKDQKYjFiFNKRiQJYұWNKiFQKѭ ELRWLWHYjKRUQEOHQGH+uQK3.6)

+uQK3.5 Bi͋u hi n d̯XNKtWURQJNKLNKRDQJL͇ng KV-1X [7]

+uQK3.6 B̫QJSKkQOR̩LÿiPyQJFiFJL͇ng khoan khu v͹F.9YjFiFJL͇QJOkQ c̵n (theo Strckeisen 1976)

0yQJ Eӏ nӭt nҿ vӟi mӭF ÿӝ rҩW NKiF QKDX QJX\rQ QKkQ Oj GR KRҥW ÿӝng SKRQJ KRi Yj KRҥW ÿӝng kiӃn tҥo ÿӭt gү\ ÿһc biӋW Oj FiF ÿӭW Jm\ ÿDQ [HQ 7X\

QKLrQFiFNKHQӭt bӏ lҩSQKpWEӟLFiFNKRiQJYұWFDOFLWH]HROLWHNKRiQJYұWVpW± sҧn phҭm cӫDTXiWUuQKQKLӋt dӏFKVDXQj\QrQҧQKKѭӣQJÿӃn chҩWOѭӧQJÿiFKӭDYj dӏch chuyӇn (+uQK3.7)

+uQK3.7 ̪QKOiWP͗ng th̩ch h͕c cho th̭y khe nͱt b͓ ḽSQKpWEͧLNKRiQJY̵t

ChiӅX Gj\ ÿӟi nӭt nҿ WKD\ ÿәi tӯ YjL PpW ÿӃQ KjQJ FKөF PpW ÿӝ rӛng thӭ VLQKWURQJPyQJWKD\ÿәi tӯ 1-ÿӝ thҩm tӯ 0,02mD -> 400mD Trong khu vӵFO{

H75, mӓ 7KăQJ/RQJGzQJGҫu lӟn nhҩWOjWKQJQJj\Wҥi TL-;YjWKQJQJj\Wҥi TL-;Yj ӣ UuD7k\%ҳFO{+ÿmSKiWKLӋn dҫXWURQJPyQJӣ cҩu

MSHV: 1570281 tҥo KV (%ҧQJ3.1) vӟLOѭXOѭӧQJGzQJGҫu әQÿӏQKWKQJQJj\Wҥi KV-;Yj WKQJGҫXQJj\Wҥi KV-2X

%̫QJ3.1 K͇t qu̫ minh gi̫LWjLOL XĈ9/*.W̯QJPyQJ.9-1X, KV-2X [7]

Note mSS mMD % Net Gross

7ҫQJFKӭDFiWNӃW 7URQJ O{ +tҫng chӭD FiW NӃt bao gӗm nhӳng tұS FiWkӃW Fy WXәi tӯ Oligocen tӟL 0LRFHQ FiW NӃW 2OLJRFHQ ( FiW NӃt Miocen sӟP %, FiW NӃt Miocen giӳa (BII.1.10 & BII.1.20)

- &iWNӃt tұp E: ÿѭӧc xӃp loҥi OjFiWNӃt Feldspathic Greywacke, vӟLÿӝ rӛng tӯ 10%-15% (+uQK3.8)

+uQK3.8 B̫QJSKkQOR̩LFiWN͇t t̯ng E (theo R.L.Folk 1974)

Tҥi khu vӵFQJKLrQFӭu, trӯ giӃng KV-;FzQOҥLÿӅXFyELӇu hiӋn dҫu, NKtWUXQJEuQKÿӃn tӕt (+uQK3.9, +uQK3.10, +uQK3.11), thӱ vӍDFKRGzQJGzQJ-400 WKQJQJj\Wҥi KV-3X, KV-4X do thӱ vӍa kӃt hӧS(Yj PyQJQrQFKѭD [iF ÿӏnh ÿѭӧFU}khoҧng FKRGzQJFySKҧi tӯ (KD\NK{QJ

+uQK3.9 Bi͋u hi n d̯XNKtWURQJNKLNKRDQFͯa t̯ng E gi͇ng KV-3X [7]

+uQK3.10 Bi͋u hi n d̯XNKtWURQJNKLNKRDQFͯa t̯ng E gi͇ng KV-4X [7]

+uQK3.11 K͇t qu̫ minh gi̫LĈ9/*.W̯ng s̫n pẖm E [7]

- &iWNӃt Bҥch Hә BI.1: Tҥi khu vӵFO{+FiWNӃt tұS%,ÿѭӧF[iFÿӏQKOj loҥLFiWNӃt Feldspathic Greywacke (+uQK3.12)

+uQK3.12 B̫QJSKkQOR̩LFiWN͇t t̵p BI.1 khu v͹c KV-1X (theo R.L.Folk 1974)

Tҥi giӃng KV-; ÿm FҳW ÿѭӧc 7,5m mүX O}L NKRDQ WURQJ WұS FiW NӃt BI.1 ĈRҥn mүXO}LQj\FKRWKҩy sӵ SKkQUDFiFQKӏp gӗm phҫQWUrQOjPӝWYjLWұp hҥt mӏn, gҳn kӃt yӃu; phҫQGѭӟLOjFiFWұp cuӝi sҥn kӃW7KjQKSKҫn thҥch hӑc thӇ hiӋn P{LWUѭӡng trҫPWtFKV{QJJҫn nguӗn (+uQK3.13)

+uQK3.13 0{W̫ m̳XO}LNKRDQW̵p BI.1, gi͇ng KV-2X [13]

BӅ Gj\ELӇu kiӃn cӫa tұSFiW%,WKHRPLQKJLҧLĈ9/*.WKD\ÿәi tӯ 25m (KV-;ÿӃn 62,5m (KV-2X) BӅ Gj\KLӋu dөQJWKD\ÿәi tӯ 19,9m (KV-;ÿӃn 3,2m (KV-2X) Ĉӝ rӛng tұSFiWNӃt BI.1 ӣ FiFJLӃQJ.9GDRÿӝng tӯ 16-20,6%; ÿӝ thҩPGDRÿӝng tӯ 46,8mD ÿӃQP'ÿmSKiWKLӋn dҫu tҥi cҩu tҥRSKtDUuD7k\

BҳFQKѭ.9Ĉ{QJĈ{7KăQJ/RQJYӟLGzQJGҫu cao nhҩt tҥi TL-;Oj WKQJQJj\Ӣ cҩu tҥo KV, thӱ vӍDFKRGzQJGҫu 800-WKQJGҫXQJj\WURQJFiW kӃt tҫng BI.1 [7]

- &iWNӃt hӋ tҫQJ&{Q6ѫQ BII: QKѭÿmWUuQKEj\ӣ phҫQÿӏa tҫng, hӋ tҫQJ&{Q6ѫQÿѭӧFFKLDOjPSKҫn: phҫQWUrQWѭѫQJӭng vӟi tұSÿӏa chҩQ%,,YjSKҫQGѭӟi WѭѫQJӭng vӟi tұS%,,&iFWҫng chӭa dҫXÿѭӧFSKiWKLӋn ӣ khu vӵc 9Yjӣ mӓ Ĉ{QJĈ{Qҵm trong phҫQGѭӟi (tұp BII.1) gӗPFyWҫng chӭD%,,Yj%,,TҫQJGѭӟLFQJ%,,NK{QJFKӭa dҫXNKt+uQK3.14)

+uQK3.14 K͇t qu̫ PuQKJL̫LWjLOL Xÿ͓a v̵WOêJL͇ng khoan cho t̯ng BII gi͇ng KV x TҫQJFiWNӃW%,,OjWұSFiWUҩWGj\Wӯ 5-PÿӃn dҥng khӕi KӃt quҧ SKkQ WtFK OiW Pӓng thҥch hӑc cho thҩ\ FiW NӃt tұp BII.1.20 chӫ yӃX Oj ORҥi feldspathic litharenite (+uQK3.15&iWNӃWNKiVҥch, hҥt tӯ rҩt mӏQÿӃQWUXQJEuQK chӫ yӃXOjKҥt mӏn vӟLÿӝ lӵa chӑQWѭѫQJÿӕi tӕWÿӃn tӕt [7]

+uQK3.15 B̫QJSKkQOR̩LFiWN͇t t̵p BII.1.20 khu v͹c KV (theo R.L.Folk 1974)

7KjQKSKҫQFiWJӗm chӫ yӃu thҥch anh vӟi mӝt phҫn feldspar K, plagioclase YjFiFPҧnh granite, volcanic, schist, chert, chӭng tӓ nguӗn vұt liӋu tӯ FiFÿi[km

7Kӱ YӍD cho dòng 400-500 thùng GҫX/ngày ÿrP

MSHV: 1570281 nhұSSKXQWUjRYjÿiELӃn chҩt thҩp

ChҩWOѭӧng tҫng chӭa bӏ chi phӕi mҥnh bӣi sӵ FyPһt cӫD[LPăQJGRORPLWH Yj FiF NKRiQJ Yұt calcite, thҥFK DQK Yj NKRiQJ YұWVpW6ӵ phә biӃn cӫD [LPăQJ GRORPLWHOjPJLҧPÿӝ rӛQJYjÿӝ WKiPFӫDÿiFKӭa (+uQK3.16) [7]

+uQK3.16 Ĉ͡ r͟ng giͷa h̩t b͓ ḽSQKpWP͡t ph̯n bͧi xi PăQJGRORPLWH'RYj

Theo kӃt quҧ minh giҧLĈ9/*.+uQK3.14), bӅ Gj\KLӋu dөng cӫa tұSÿi chӭD%,,WKD\ÿәi tӯ 12m (KV-1X) xuӕQJFzQP.9-;Ĉӝ rӛng trung EuQKWKD\ÿәi tӯ 26% tӟLĈӝ thҩPÿRÿѭӧFWURQJTXiWUuQKÿRiSVXҩt RCI thay ÿәi tӯ 70mD ÿӃn 360mD x Tҫng chӭDFiWNӃW%,,OjWұSFiWUҩWGj\ÿӃn dҥng khӕi KӃt quҧ SKkQ WtFKWKҥch hӑc cho thҩ\FiWNӃt tұp BII.1.10 thuӝc loҥLFiWNӃWOLWKLFDUNRVHYjVXE- arkose (+uQK3.17)

7ѭѫQJWӵ QKѭFiWNӃt tұp BII.1.20, chҩWOѭӧng tҫng chӭa BII.1.10 bӏ chi phӕi mҥnh bӣi sӵ FyPһt cӫD[LPăQJGRORPLWHYjFiFNKRiQJYұWVpW6ӵ phә biӃn cӫa xi PăQJGRORPLWHOjPJLҧPÿӝ rӛng Yjÿӝ WKiPFӫDÿiFKӭa (+uQK3.18)

+uQK3.17 B̫QJSKkQOR̩LFiWN͇t t̯ng BII.1.10 khu v͹c KV (theo R.L.Folk 1974)

+uQK3.18 &iFNKRiQJY̵WVpW,OOLWHYj,OOLWH-smectite ḽSQKpWP͡t ph̯n l͟ r͙QJSKi hͯy n̿ng n͉ ÿ͡ th̭m cͯDFiWN͇t t̯ng BII.1.10 (m̳u KV-1X, 1576,7m) [13]

Theo kӃt quҧ minh giҧLĈ9/*.EӅ Gj\KLӋu dөng cӫa tұSFiWNӃt BII.1.10 WKD\ÿәi tӯ 24,4m (KV-1X) xuӕng 14,6m (KV-;Ĉӝ rӛQJWUXQJEuQKWKD\ÿәi tӯ 27% (KV-;ÿӃn 24% (KV-;Ĉӝ thҩPÿRÿѭӧFWURQJNKLÿRiSVXҩt (RCI) tӯ ÿӃn 1033mD/cP

&iFNӃWTXҧSKkQWtFK WKXӝFWtQKÿӏDFKҩQÿmÿѭӧFVӱGөQJQKҵP[iFÿӏQK PӕLWѭѫQJTXDJLӳDÿһFÿLӇPVӵSKkQEӕFӫDWҫQJFKӭDFӫDFiFFҩXWҥRĈ{QJĈ{±

7KăQJ/RQJWURQJWұS0LRFHQJLӳDFKRWKҩ\WѭѫQJTXDQFiFWұSYӍDÿmÿѭӧFWKҭP ÿӏQKWӯFiFJLӃQJ7/-2X, TL-;WѭѫQJÿӕLWӕW+uQK3.19, +uQK3.20)

+uQK3.19 %̫Qÿ͛WKX͡FWtQKEuQKSK˱˯QJELrQÿ͡506WKHRE͉P̿W%,, [14]

+uQK3.20 %̫Qÿ͛WKX͡FWtQK6SHF'HFRPSQyFW̯QJ%,,-1-10 [14]

ĈiFKҳQ

ĈiFKҳn trong khu vӵc bao gӗPVpWWұS'YjVpW%ҥch HәĈyQJYDLWUzFKҳn quan trӑng quyӃWÿӏQKFKRPyQJOjVpWWҫQJ'YjKRһFVpWWҫQJ(FiFWұSQj\Qҵm phӫ trӵc tiӃSOrQPyQJFyWKjQKSKҫn thҥch hӑc chӫ yӃXOjVpWJLjXYұt chҩt hӳXFѫ PjXÿHQQkX[HQOүn lӟp mӓQJFiWNӃWYjEӝt kӃt [10]

Tҫng chҳn khu vӵc thӭ KDLOjWұSVpW5RWDOLGQyFWұSÿӏa chҩn BI.2 Ӣ trung WkP EӗQ WUǊQJ &ӱu Long, tұS VpW Qj\ Fy EӅ Gj\ Wӯ 40-50m gӗP FiF WұS VpW PjX xanh dҫy tӯ ÿӃn 70m (+uQK3.21)

+uQK3.21 %͉Gj\W̵SVpW5RWDOLDPjX[DQKNKXY͹FWUXQJWkPBT &͵X/RQJ [7] Ӣ khu vӵFQJKLrQFӭXFiFJLӃQJNKRDQÿӅu gһp tұSVpWPjX[DQKQKѭQJEӅ Gj\JLҧm, chӍ FzQNKRҧng 1-2m xen kҽp giӳDFiFOӟSFiWGj\-5m (+uQK3.22) &y thӇ cKtQKEӣLOtGRQj\ PjGҫXNKtÿmEӏ UzUӍ TXDFiFtұSVpWPӓng YjFiFWKjQK phҫn nhҽ ED\KѫLKӃt chӍ FzQOҥLWKjQKSKҫn nһng (16-19 0 API dҫu tӯ kӃt quҧ thӱ vӍa cho tҫng BII.1.10)

+uQK3.22 %͉Gj\W̵SVpW5RWDOLDVpW[DQKJL̫PFK͑FzQ-PͧUuDBT &͵X/RQJ

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+uQK3.23 T̵SVpWQyFW̯ng BII.1.10 ͧ FiFJL͇ng KV-;Yj.9-2X [7]

4XiWUuQKKuQKWKjQKFǊQJQKѭWKӡi gian dӏch chuyӇn cӫa dҫXNKtFKӫ yӃu bӏ chi phӕi bӣLFiFKRҥWÿӝng kiӃn tҥo khu vӵc Theo FiFNӃt quҧ QJKLrQFӭXÿӏDKyDWKuGҫu YjNKtWӯ tҫQJÿiPҽ Oligocen sӁ WKRiWUDYjGLGӏch trong thӡi trong thӡi kǤ Miocen giӳa ÿӃn Miocen muӝQ'RÿyQӃXFiFEүy cҩXWU~FEү\ ÿӏa tҫQJÿѭӧFKuQKWKjQK WUѭӟFYjWURQJFiFJLDLÿRҥQWUrQÿӅXFyNKҧ QăQJÿyQQKұQÿѭӧc dҫXNKt Qj\'ҫXNKt FyWKӇ ÿѭӧFWKRiWNKӓLÿiPҽ, di chuyӇn thӭ VLQKWURQJFiFOӟp trҫPWtFKÿӗng thӡi vӟi TXiWUuQKFK{QYLVkXKѫQKRһc di dӏFKWKHRFiFÿӭWJm\ (+uQK3.24) [12]

+uQK3.24 Kh̫ QăQJGLF˱YjQ̩p b̳\ÿ͇QFiFE̳y ͧ UuD7k\%̷FO{+

7K{QJTXDSKkQWtFKÿiQKJLiFiFWjLOLӋXÿӏa chҩt-ÿӏa vұWOêYjWjLOLӋu giӃng khoan cho thҩy tҥi khu vӵFQJKLrQFӭu tӗn tҥLFiFEүy trong khӕLFDRÿӏDOǊ\KRһc EiQÿӏDOǊ\FӫD Pyng &iFEүy trong trҫPWtFKOөFQJX\rQÿѭӧFKuQKWKjQKWURQJ suӕt thӡi kǤ Oligocen - Miocen giӳa, bao gӗPFiFGҥng bү\NKpSNtQFKLӅXNKpS NtQ-3 chiӅu kӅ iSYjRÿӭWJm\&yNKҧ QăQJWӗn tҥi bү\ÿӏa tҫng/hӛn hӧp ӣ SKtD Ĉ{QJ.9Ĉ{QJ [7]

3.3 &ҩXWҥRWULӇQYӑQJ YjWLӅPQăQJGҫXNKtKӋWҫQJ&{Q6ѫQ

Khu vӵF QJKLrQ Fӭu nҵm ӣ gҫn ranh giӟi giӳD O{ + Yj + Jӗm phҫn diӋQWtFKFzQOҥi cӫDÿӟLQkQJ$PHWK\VWJҫn cөm mӓ 7KăQJ/RQJĈ{QJĈ{/DP 6ѫQ-2&ÿLӅXKjQKӢ khu vӵFQj\ÿmFyWәng cӝng 05 giӃQJNKRDQWUrQFҩu tҥo KV (KV-7UXQJWkPYj.9-1DPĈӕLWѭӧQJFKtQKӣ khu vӵFQj\OjÿiPyQJQӭt nҿ WUѭӟFĈӋ 7DPFiWNӃW2OLJRFHQ(FiWNӃt Miocen sӟm BI.1; ÿӕLWѭӧng phө OjFiW kӃW0LRFHQ%,Yj0LRFHQJLӳa BII.1.20, khҧ QăQJFyFҧ 0LRFHQWUrQ%,,,

KӃt quҧ giӃng khoan KV-;ÿmSKiWKLӋn 05 tҫng chӭa dҫXNKtEDRJӗPÿi PyQJ*UDQLWFiW kӃW %,FiW NӃW%, FiW NӃW%,,Yj %,,.Ӄt quҧ cӫa giӃQJNKRDQÿmNKҷQJÿӏnh tiӅPQăQJFӫa tҫQJÿiJUDQLWHӣ khu vӵFSKtD1DPSKiW hiӋn KV YjFKRWKҩy tҫQJFiWNӃt BII.1.10 mӣ rӝQJOrQSKtD%ҳc vӟi khҧ QăQJWӗn tҥi bү\ ÿӏa tҫng/hӛn hӧS '67 ÿѭӧc thӱ FKR GzQJ WKQJ GҫXQJj\ -

37 0 API) vӟi cӥ F{Qảả'67ÿѭӧc thӱ trong tҫQJFiWNӃW%,FKRGzQJ- WKQJdҫXQJj\-26 0 API) vӟi cӥ F{QảảEѫP1LWURJHQ'67ÿѭӧc thӱ trong tҫQJFiWNӃW%,,WKXÿѭӧc 400-WKQJGҫXQJj\-19.7 0 API) [7]

GiӃng khoan thҭPOѭӧng KV-;ÿmÿѭӧc khoan tҥi khu vӵFSKtD1DPQKҵm thҭPOѭӧng tҫQJ0yQJWҫQJFiWNӃW%,YjFiWNӃt BII.1.10 GiӃQJNKRDQÿmEҳt gһp tҫQJFiW OyWÿi\("Yӟi biӇu hiӋn dҫXNKtWӕt (tiӅPQăQJGӵ EiRWӯ 8,0-15,0 triӋXWKQJWҥi chӛ) LirQNӃt WjLOLӋu ÿӏa chҩt - ÿӏa vұWOêFKRWKҩy tҫQJFiWQj\Fy khҧ QăQJWӗn tҥi ӣ Vѭӡn cҩu tҥo KV-Nam, KV-7UXQJ7kP.9-BҳFYjFҫQÿѭӧc QJKLrQFӭXÿiQKJLiWURQJFiFJLӃQJWKăPGzWKҭPOѭӧng tiӃSWKHR39(332&Fy tiӃQKjQKWKӱ '67WURQJÿӕLWѭӧng myQJtҥi KV-;WKXÿѭӧFGzQJWKQJ dҫXQJj\

MSHV: 1570281 HӋ tҫQJ &{Q 6ѫQ, vӟi trӳ OѭӧQJ ÿm ÿѭӧF [iF PLQK ӣ khu vӵc KV-1DP Oj khoҧng gҫn 40 triӋXWKQJ(%ҧQJ3.2) OjÿӕLWѭӧng tiӅPQăQJVDXWҫng myQJӣ khu vӵF UuD 7k\Bҳc O{H75 Tuy QKLrQ FiF Wұp FiW NӃt %,, Yj %,, WKXӝc hӋ tҫQJ&{Q6ѫQOjÿӕLWѭӧQJNKyNKDLWKiFGROjGҫu nһng Sӵ SKkQEӕ cӫa tҫQJFiWKӋ tҫQJ&{Q6ѫQQj\FzQQKLӅu rӫi ro vӅ vҩQÿӅ chҳQQyF&ҫQFyQKӳQJQJKLrQFӭu VkXWKrPÿӇ ÿiQKJLiYӅ khҧ QăQJWӗn tҥi bү\ÿӏa tҫng/hӛn hӧp ӣ SKtDEҳc cӫDÿӕi WѭӧQJQj\FǊQJQKѭNKҧ QăQJiSGөQJF{QJQJKӋ NKDLWKiFmӝWFiFK hiӋu quҧ nhҩt

%̫QJ3.2 7K{QJV͙Y͑DYjWUͷO˱ͫQJÿ˱ͫF[iFPLQKEͧLWK͵Y͑Dͧ.91DP [7]

Tҫng Ĉӝ VkXWKHR chiӅu thҷng ÿӭng

Gj\Wәng Ĉӝ rӛng Ĉӝ EmR KzD Qѭӟc

Trӳ Oѭӧng m % % % triӋXWKQJ

PhҫQUuD 7k\%ҳc cӫD O{+FKӍ bao gӗm cҩu tҥo KV-Nam, KV-Ĉ{QJYj mӝt phҫn cӫa KV-7UXQJ 7kP WKXӝc diӋQ WtFK O{ + 3KҫQ SKtD %ҳc (thuӝF O{

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GiӃQJ NKRDQ WKăP Gz 9-; ÿѭӧF NKRDQ WUrQ Fҩu tҥo KV-7UXQJ 7kP(thuӝFO{+QKҵm thҭPOѭӧng tҫng chӭDFiWNӃt Miocen giӳD%,,YjWKăPGzWҫQJ0yQJ*UDQLWRLGQӭt nҿ; tҫQJFiWNӃW%,7X\QKLrQWKӵc tӃ giӃng khoan cho thҩy bҳt gһSWKrPWҫng Oligocen D (tҫQJÿiSKXQWUjR$QGHVLWHYjFiWNӃt phӫ ErQ WUrQ Yj 2OLJRFHQ ( Yӟi biӇu hiӋn dҫX NKt Wӕt; kӃt quҧ thӱ vӍD FKR FiF Wҫng 0yQJ2OLJRFHQ '0LRFHQ%,NK{QJFKRGzQJWӵ QKLrQFiWNӃt Oligocen E cho

MSHV: 1570281 GzQJ NKRҧng 100- WKQJQJj\ Ĉӕi vӟL FiF Wұp vӍa Miocen giӳD %,, Yj

%,,FyWtQKFKҩt dҫXWѭѫQJWӵ QKѭFiFWұp vӍDWѭѫQJӭng ӣ Hӗ 7k\-;YjĈ{QJ Ĉ{BҧQÿӗ cҩXWU~FÿҷQJVkXFiFWҫng thuӝc cөm cҩu tҥo KV Nam & KV Trung WkPWKӇ hiӋn ӣ +uQK3.27, +uQK3.28, +uQK3.29 [7]

+uQK3.27 %̫Qÿ͛ÿ̻QJWKͥLQyFPyQJFiFF̭XW̩RWL͉PQăQJUuD7k\%̷FO{+

+uQK3.28 B̫Qÿ͛ ÿ̻ng thͥLQyFW̯ng E khu v͹FQJKLrQFͱu YjYQJOkQF̵n [7]

+uQK3.29 %̫Qÿ͛ÿ̻QJWKͥLQyFFiFW̯QJ%,,D%,,EYj%,F [7]

ĈiQKJLiWUӳOѭӧQJ

&iF WK{QJ Vӕ vӍD ÿѭӧc [iF ÿӏnh bҵng phҫn mӅm Petrel, phҫn mӅm IP, kӃt quҧ minh giҧL ÿӏa vұW Oê JLӃng khoan, kӃt quҧ SKkQ WtFK PүX 397 FiF Pүu chҩt OѭXô'RVDLVӕ cӫDSKpSWtQKYjPLQKJLҧi QrQÿӇ WăQJÿӝ WLQWѭӣQJFiFJLiWUӏ lӟn nhҩW0D[YjQKӓ nhҩW0LQÿѭӧc cӝQJYjWUӯ WѭѫQJӭng 10% tӯ JLiWUӏ kǤ vӑng KD\JLiWUӏ giӳa (Most Likely ± ML)

ThӇ WtFK NP 2 P Yj GLӋQ WtFK ÿi FKӭa (km 2 ÿѭӧF [iF ÿӏnh cho tӯng vӍa chӭa theo phҫn mӅm Petrel vӟLFiFUDQKJLӟi chҩWOѭXWKӇ hiӋn ӣ %ҧQJ3.3 QKѭOjJLi trӏ kǤ vӑQJKD\JLiWUӏ giӳa (Most Likely-0/&iFJLiWUӏ lӟn nhҩW0D[YjQKӓ nhҩt (Minÿѭӧc cӝQJYjWUӯ WѭѫQJӭng 10% tӯ JLiWUӏ kǤ vӑng (ML)

%̫QJ3.3 %̫QJSKkQF̭SWUͷO˱ͫQJG̯XNKtW̩LFK͟F̭S33P͗.9 [7]

OWC@1538mss theo RCI ÿRӣ.V-1X&2X

2:&#PVV[iFÿӏnh WKHRWjLOLӋXÿRiSVXҩWӣ KV-1X

7ӹVӕ17*YjFKLӅXGj\KLӋXGөQJ

Tӹ sӕ 17*YjFKLӅXGj\KLӋu dөQJÿѭӧF[iFÿӏnh tӯ kӃt quҧ minh giҧLÿӏa vұWOêJLӃng khoan, ÿӕi vӟLFiFYӍa trong Miocen BII, JLiWUӏ kǤ vӑQJ0/OjJLiWUӏ thӵc cӫa tӯng vӍa ӣ giӃng KV-1X &iF JLi WUӏ lӟn nhҩW 0D[ Yj QKӓ nhҩt (Min) ÿѭӧc cӝQJYjWUӯ 10% tӯ JLiWUӏ kǤ vӑng (%ҧQJ3.4) ĈӝUӛQJ

*Li WUӏ ÿӝ rӛQJÿѭӧF [iF ÿӏnh tӯ kӃt quҧ minh giҧL ÿӏa vұWOêJLӃng khoan bҵng phҫn mӅP,3FKRFiFÿӕLWѭӧng clastic)

MSHV: 1570281 VӟL FODVWLF JLi WUӏ kǤ vӑQJ 0/ Oj JLi WUӏ WUXQJ EuQK Fӫa tӯng vӍa ӣ tӯng giӃng KV-;;Yj.V-;3&iFJLiWUӏ Max, MLQÿѭӧc cӝng, trӯ 10% Chi tiӃt thӇ hiӋn ӣ Bҧng 3.4 ĈӝEmRKzDQѭӟF Ĉӕi vӟLFiFWұSFODVWLFÿӝ EmRKzDQѭӟFÿѭӧF[iFÿӏnh bҵng minh giҧLÿӏa vұWOêJLӃQJNKRDQWURQJÿyJLiWUӏ kǤ vӑQJ0/OjJLiWUӏ WUXQJEuQKFӫa tӯng vӍa ӣ tӯng giӃng KV-1X, KV-;Yj.V-;3FiFJLiWUӏ Max, Min ÿѭӧc cӝng, trӯ 10%

+ӋVӕWKӇWtFK%RWӹVӕNKtGҫX*25YjKӋVӕWKXKӗL

&iFWK{QJVӕWtQKFKҩWFӫDFKҩWOѭXFKRFiFWұSYӍDÿѭӧF[iFÿӏQKWӯNӃWTXҧ SKkQWtFKFӫDFiFPүXWKXÿѭӧFWӯFiFJLӃQJNKRDQWURQJPӓK (KV-1X, KV-;Yj KV-;3YjWKDPNKҧRNӃWTXҧWӯNKXYӵFPӓ7KăQJ/RQJ- Ĉ{QJĈ{7/-DD)

+ӋVӕWKӇWtFKFӫDGҫXÿѭӧF[iFÿӏQKWӯNӃWTXҧSKkQWtFK397FiFPүXFKҩW OѭX.ӃWTXҧFӫDPүXÿѭӧFÿiQKJLiOjÿҥLGLӋQVӁÿѭӧFVӱGөQJOjPJLiWUӏNǤYӑQJ 0RVW/LNHO\FӫDWӯQJWұSYӍD&iFJLiWUӏOӟQQKҩW0D[YjQKӓQKҩWMinÿѭӧF Oҩ\WKHRJLiWUӏ 0D[YjMin WӯNӃWTXҧSKkQWtFKYjFyNӃWKӧSÿӕLFKLӃXYӟLPӓ7/- ''WURQJNKRҧQJÿӃQVRYӟLJLiWUӏNǤYӑQJ0RVW/LNHO\W\YjRWұS YӍDWKӇKLӋQӣ%ҧQJ

Tӹ sӕ NKt-dҫXÿѭӧF[iFÿӏnh tӯ kӃt quҧ SKkQWtFKPүX397FiFmүu chҩWOѭX OjVFIVWEÿӕi vӟi tұp vӍD%,, Yjÿѭӧc thӇ hiӋn ӣ Bҧng 3.4

+ӋVӕWKXKӗLGҫX5) Ĉӕi vӟLFiFWұp vӍa Miocene B.II.1.10 & BII.1.20, do vӍa chӭa dҫu nһng, hӋ sӕ thu hӗi lҩy theo kӃt quҧ QJKLrQFӭXP{KuQKNKDLWKiF YӟLJLiWUӏ OjNKiWѭѫQJÿӗng vӟi hӋ sӕ thu hӗLFQJÿӕLWѭӧng ӣ mӓ TL-DD Dӵ EiRKӋ sӕ thu hӗi dҫXÿѭӧc thӇ hiӋQQKѭ Bҧng 3.5 GѭӟLÿk\

%̫QJ3.4 7K{QJV͙ÿ̯XYjRÿ͋WtQKWUͷO˱ͫQJK W̯QJ&{Q6˯QF̭XW̩R.9 [7]

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DӵDWUrQFiFWK{QJVӕ vӍDÿѭӧFÿӅ cұp ӣ WUrQWUӳ Oѭӧng dҫXYjNKtWҥi chӛ 2,,3Yj*,,3ÿѭӧFWtQKWRiQFKRWӯng vӍDULrQJELӋt bҵQJSKѭѫQJSKiSWKӇ WtFKNӃt hӧp vӟLP{SKӓng Monte-&DUORWKHRF{QJWKӭc sau:

BRV/Area: 7KӇWtFKNP 2 PGLӋQWtFKNP 2 ÿiFKӭD N/G: 7ӹVӕJLӳDFKLӅXGj\KLӋXGөQJFKLӅXGj\YӍD

Netpay: &KLӅXGj\KLӋXGөQJ ĭ ĈӝUӛQJKLӋXGөQJ Sw: ĈӝEmRKzDQѭӟF FVF: +ӋVӕWKӇWtFKWKjQKKӋ5%67%5&)6&)

Trӳ Oѭӧng dҫu thu hӗi cho tӯng vӍa chӭa theo tӯng cҩp trӳ OѭӧQJÿѭӧFWtQK tӯ trӳ Oѭӧng dҫu tҥi chӛ trong Bҧng 3.6, Bҧng 3.7

%̫QJ3.6 ͇WTX̫WtQKWUͷO˱ͫQJG̯XNKtW̩LFK͟P͗.9 [7]

FKӭD &ҩSWUӳOѭӧQJ 'ҫXWҥLFKӛWULӋXWKQJ KtWҥLFKӛWӍEӝNKӕL

%̫QJ3.7 ͇WTX̫WtQKWUͷO˱ͫQJG̯XNKtW̩LFK͟P͗.9WKHRK 6, [7]

'ҫXWҥLFKӛWULӋXP KtWҥLFKӛWULӋXP

Trӳ Oѭӧng dҫu thu hӗLYjWUӳ OѭӧQJNKtÿӗQJKjQKÿѭӧFWtQKWӯ trӳ Oѭӧng dҫu thu hӗi vӟi tӹ sӕ NKtGҫu (GOR) tӯ kӃt quҧ SKkQWtFKPүu chҩWOѭX397FӫDFiF giӃng khoan KV-1X, KV-2X, KV-4XP KӃt quҧ thӇ hiӋn ӣ Bҧng 3.8

%̫QJ3.8 ͇WTX̫WtQKWUͷO˱ͫQJG̯XWKXK͛LYjNKtÿ͛QJKjQKP͗.9 [7]

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ĈiQKJLiUӫLUR

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KIӂN NGHӎ 9ơ.ӂT LUҰN

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[1] -/$GOHU*HRSK\VLFDO([SORUDWLRQIRU6WUDWLJUDSKLF2LO7UDSV$-RXUQDORI

[2] C E Payton, Seismic Stratigraphy - Applications to hydrocarbon exploration, AAPG Memoir 26, 1977

[3] D Emery and K J.Mayers, Sequence Stratigraphy: BP Exploration, Stockley Park, Uxbridge, London, 1996

[4] NguyӉn HiӋSYjQQNĈӏa ChҩWYj7jL1JX\rQ'ҫX.Kt9LӋt Nam, TұSÿRjQ DҫXNKt4Xӕc gia ViӋW1DP+j1ӝi, 2007

[5] Trҫn MҥQK&ѭӡng, LuұQiQWLӃn sӻ - ĈһFÿLӇPKuQKWKjQKYjTX\OXұWSKkQEӕ bүy phi cҩu tҥo khu vӵc Bҳc bӇ CӱX/RQJĈҥi hӑc Mӓ - Ĉӏa chҩW+j1ӝi, 2012

[6] 0DL7KDQK7kQ%jLJLҧQJ7KăPGzĈӏa chҩQĈҥi hӑc Mӓ - Ĉӏa chҩW+j1ӝi, 2008

[8] Cao Quӕc HiӋS ³ĈһF ÿLӇP ÿӏa chҩW Yj WLӅP QăQJ GҫX NKt FiF WKjQK Wҥo 2OLJRFHQGѭӟi, hӋ tҫQJ7Uj&~NKXYӵFĈ{QJ%ҳF/{-2/09, bӗQWUǊQJ&ӱu /RQJ´

[10] 39(332&³%iRFiRÿҫXWѭKLӋu chӍQKO{+ +´

[11] 39(3,7&³%iRFiR ÿiQKJLiWUӳ OѭӧQJYjWLӅPQăQJGҫXNKtFzQOҥLO{- ´

[12] 39(3 ,7& ³7KH VWXG\ RI IDXOW DQG IUDFWXUH FKDUDFWHULVWLFV LQ %ORFN + +´

[13] 93,/DEV³%iRFiRSKkQWtFKPүu thҥch hӑFFiFJLӃQJNKRDQ.9´

[14] (3&³1JKLrQFӭXFiW- VpWFӫDWkQJFKӭa trong Miocen giӳa, cҩu tҥR.9O{

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