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THAM DO KHAI T H A C DAU KHi Kha ndng ung dung cong nghe dja chdn moi nham ma rong cdng tdc tim kiem thdm dd dau khi 6 them luc dja Viet Nam TSKH Truong Minh H6I Ddu khi Viit Nam Sdn lugng khai thdc h[.]
THAM DO - KHAI T H A C DAU KHi Kha ndng ung dung cong nghe dja chdn moi nham ma rong cdng tdc tim kiem thdm dd dau them luc dja Viet Nam TSKH Truong Minh H6I Ddu Viit Nam Sdn lugng khai thdc hiin cua Tap dodn Ddu Qudc gia Viit Nam dat khodng 15 triiu tdn ddu vd9tyn^ khi/ndm[12} Tuy nhien, cdng tdc khai thdc mdi tdp trung chd yiu d cdc cdu tao vdm vd cdc ddy ndng, md ddi tugng khai thdc chinh Id mdng granite nUt ni trUdc Di tam (nhubi CCfU Long, Nam Cdn San) Cdc nghiin cvTU cho thdy dS duac tich tu trdm tich Di tam khdng l&n vd rdi rdc trin diin rdng, song tich tu Idn mdng trUdc Di tam vd khd tdp trung Trong cdng tdc thdm dd dia vdt ly vdi cdng nghi thdng thudng mdi thdy dUac hinh thdi cdu triic tdng trdm tich md chUa nghiin cdu chi tiet cdu true dia chdt vd md hinh chifa cua tSng mdng; cdn khoan tim Idim khdng thi rdi khdp trin todn dien tich trien vong bdi chi phi rdt Idn Trin ca sdphdn tich cdc yiu td dia chdt - dia v&t ly cd dnh hUdng den qud trinh tim kiem thdm dd, tdc gid di xudt mdt sdgidi phdp cdng nghi phii hap nhdm mdrgng cong tdc tim kiim thdm dd vd khai thdc ddu khf tren Idnh th6 Viet Nam Dac diem dia chat - dia vat ly cac be tram tich Viet Nam Kit q u i nghien cdu cho thiy, die trung eiia cic b l tram tich Viet Nam la ciu tao bdi tang cau tnic trude De tam va De tam, dupc tao eac e h l dp kiln tao khic nen cd die diem dia chat - dja v i t ly khic [2] Tang c i u true trude De tam la mdng eiia tram tich De tam dupe tao bdi nhilu pha khic thdi ky trude tao rift, bi udn nep va phan dj manh bdi he thong phan Idp tdt, ddi chd cd t i p carbonate tudng biln.Tram tich Miocen bao gdm cic d i lue nguyen carbonate hinh thdr ky liin ehim md rdng bdn trung.Ting ed eac p h i n xa manh, song song, bien dd Idn, t i n so cao thudng liln quan d i n cic t i p than Cic phin xa cd ddlien tyc g i i m mang die trung tram tich ddng bing ven bien xen cie t i p than, edn cic p h i n xa khdng liln tuc v i trSng, thudng l i l n quan d i n t i p da vdi dolomite.Tang Pliocenco ddt gay theo eac hudng khic nhau, cd thinh phan thach cic p h i n xa song song n i m ngang hoac g i n song song, hpc khdng ddng nhat va ed tuoi khic d cic b l t r i m tan s6 cao, b i l n dp trung binh d i n Idn, dd liln tuc tdt lien ti'ch [8] Dac trUng ciia mdng trUde De tam i i trUdng sdng quan d i n cic t r i m tich set bdt cua vung bien ndng den dja chan yeu hoac khdng cd p h i n xa, hdn ddn khdng p h i n di hoac p h i n di kem [2] D i l u dd phin i n h thuc t h i cau true khdi t i n g , khdng phan Idp cOa 6^ mdng, cie ddt b i l n siu Oac di^m p h i n b d c i c bSy diiu gay tao n l n eac mat trupt g i n nhu thing ddng (d be Cdu Do mdi trudng t h i n h tao, hoat ddng kiln tao, qua Long); cdn d nhOng triing siu khdng phat hiln dUpe t i n g trinh b i l n ddi t h d sinh m i d cie tang kiln true da hinh mdng (trung tam be Sdng Hdng) t h i n h cie bay chda khic b l mat v i mong Tang kiln true De tam l i tang tram tich Paleogen Neogen - C3, phii true t i l p l i n tang mdng trude D l tam, hinh v i p h i t trien ciing vdi q u i trinh tao t h i n h bdn trung De tam Die d i l m chung l i t r i m tich Eocen v i trudc D l tam chii yeu p h i t t r i l n cic dang bay chda d i mdng nuft nl/phong hda d cic khdi ning Cac bay phi , cau tao dupe p h i t h i l n t r l n tai l i i u dja chin bang phi/tfng p h i p dja chan dia t i n g Oligocen lap day cae dia hinh am, bi p h i n c i t bdi cie ddt Trong tram tich Eocen - Oligocen, cie dang bSyphi gay, bao gdm cac tram tich luc nguyin chda than tudng c i u tao l i l n quan vdi cic cau tao ke thda cae khdi nh6 luc dia d phan dudi l i t eat, d phan t r l n la cic tap c i t / s i t mdng, ddt giy, vdt nhpn dja t i n g , thach hpe (cic than 32 Diu KHi-SO 12/2012 PETROVIETNAM Bdng Bdy phi cdu tao d biSdng Hdng TT vdt nhpn dja tang va thach hpe Chieu s&u noc, d i y (m) T«n b i y dupe phin bd rdng rai Kich thudc (km x km) cie b l , song t i p trung nhilu d b l Cifu Long Cic bay thach Vdt nhpn Oi v6i Miocen 2.S0O, 2.600 Vdt nhon Miocen 2.500,2.600 Oi voi Miocen 9x5 Oa vol Miocen trung 6x5 Mui nhd Hue mdng ph Oja ting Miocen Oa voi them O^ Ning ( Quat (Oligocen] 10 Oa voi Miocen 11 Vot nhpn Miocen 12 Mong phong hda hpc thudng d i n g thude, cic biy vdt nhon dja tang thudng cd dang klo d i i tdi 25 - 30km, 89-0140 89-0170 89-0850 89-0170 dat 100-200m be Sdng Hdng p h i t hiln cic bay mdng phong hda d khu vuc mui nhd H u l d chilu siu 2.400 - 2.650m v i 1.800,2.000 8x3 3.950 - 4.100m, cae bay dang 2.300, 2.550 7x4 quat tang Oligocen d chilu siu Idn 4.500 - 4.700m, 4.500.4.700 8x5 nhilu bay thach hpc dupe p h i t hien da vdi Miocen 3.200, 3.400 14x4 ha, cic bay vdt nhpn dia t i n g dupe p h i t hiln Oligocen 6x4 3.400,3.600 va Miocen va trung vdi cic 7x5 3.950,4.100 chilu siu td 2.500 - 2.600m 6en 3.400 - 3.600m Cic bay ed kieh thudc khac td x 3km^ den 14 x 4km^ (Bing 1) 2.400, 2.650 89-0680 rdng - 4km, cic bay hdn hpp thudng ding thudc, chilu d i y 10x4 b l Phii Khanh dU b i o ed mdt loat nhdm bay mdng ndt nl/phong hda vdi kieh thUde idn t d 10 x 22km^ d i n 22 X 55km^ eac nhdm bay dja tang dang quat Eocen - Oligocen vdi kieh thudc kha Idn td 12 x 42km' d i n 42 x 87km^ d b l Cifu Long, cdng tie nghien ciiru k h i chi t i l t va da phat hien hang loat cic bay dang khac Cic bay mdng granite phong hoa ndt n l tap trung d d i i nang Cdn Son vdi kich thude t d 15 x 2km^ den 16 x 4km^ d cic chilu siu t d 3.200 - 4.600m Trong tram tich Eocen - Oligocen, p h i t hien cac bay vdt nhpn dja tang, thach hpe va dang hon hpp vdi kieh thudc t d x 3km^ d i n 12x12km' Cic bay vdt nhpn dja tang, thach hpc hon hpp tram tich Miocen ed kieh thudc t d x 3km' d i n x 35kmMHinh1,Bing2-5) d b l Nam Cdn Son phat hiln cic bay mdng ndt nl/phong hda, bay thach hpe d i carbonate va bay Hinft Bdn phdn bo bdy phi cdu tao d be Cdu Long dja tang vdi kieh thude t d x 2km' d i n 20 x 8km^ (Bing 6) be M i Lai -Tho Chu phat hien cac bay dang ke ap kinh cat, tram tich vd vun) v i cac dang hon hop Trong mdng, k l i p dOt gay, vdt nhpn dja tang va kenh rach vdi tram ti'ch Oligocen - Miocen phat h i l n chu yeu l i cie bay kich thudc nhd t d x 4km^ den 16 x 6km' (Bing 7) THAIVI DO - KHAI THAC D A U KHI Bdng Cdc bdy phi cdu tao tdp E biCdu Long nbay El E2 E3 E4 E5 E6 E7 E8 E9 ElO Ell E12 E13 E14 El E16 El El El E20 E21 E22 E23 E24 E25 E26 Vjtri BiclSG RIa Odng Bic RIa Ddng Nam Rla Odng Nam Trung tim bdn trung Rla Nam Rla Nam Rla Nam Odng Nam B^ch Hd Ria Nam Rla Nam Rla Nam Tiy Bic Bach H6 Tiy Nam Bach H6 Nam Rdng Ria Tiy Nam Tiy Bic Bach Hd Khu vt/c Rdng Ria Tiy Nam Rdng Odng Nam Tam Dio Rla Tiy Nam Ria Tiy Nam Ria Tiy Nam Nam Tam Dio Tay Nam Tam Dio Phia Tiy Loai Hdn hpp Thach hoc Thach hoc Hdn hpp Thach hpc Thach hoc Hdn hpp Vdt nhon dja ting Thach hoc Thach hpc Hdn hpp V6t nhpn dia ting Hon hop Thach hpc H6n hpp Thach hpc Hon hop Thach hpc Thach hpc Thach hpc Thach hpc Thach hoc Vdt nhon dia tang Hon hop Hon hpp Hdn hop Chl^u siu n6c (m) 3.000 - 3.200 3.000 2.600 - 3.200 2.200 - 3.000 3.200-5.000 1.800-2,400 3.200-4.400 2.500-2.700 4.000 - 5.400 000 - 4.600 2.000 - 3,000 1.400 - 2,000 200 - 4.200 400 - 4.200 3.200-3,600 2.300 - 2.800 4.800 - 5,000 2.500-3.200 2.800 - 3.200 4.000-4.300 3.000 - 3.800 3.000 - 3.800 1.400-2.000 4.100-4.200 3.200 - 3.400 1.800-2.000 Kfch thudc (km') 3x10 4x3 5x5 5x11 12x12 5x17 5x6 4x8 9x10 8x10 10x10 3x28 2x12 5x13 4x6 8x9 6x6 7x32 4x18 5x5 8x11 7x12 6x35 3x3 3x6 3x4 Chilu d i y (m) 200 600 400-600 200-800 100-600 100-500 1.000-1.400 100 300-400 200 100-2.000 ' ' 100 200 100-300 300-600 200-400 Kkh thudc (km^ a«^(%(m) 400-600^ 400 200-600 _ 100-200^_ 200-400 200 - 600 200-1.000 200-600 100 100 100-1.000 _ 100-200 800-1.200 400-1.000 lOO-lJOO 200-600 100-400 400-1.400 100 200 " Bdng Cdc bdy phi cdu lao tdp D biCdu Long Ten bay Loai Vjtri Dl D2 03 D4 05 D6 07 08 D9 DIO Oil 012 Hon hpp Thach hoc Dia tang Thach hoc Oia tang Hdn tiop Thach hpc Thach hoc Vol nhpn djatanc Vdt nhpn dja ting Thach hpc Vot nhpn dja tang Ria Odng Bic Ria Oong Bic Rla Dong Bic Ria Dong Bic Ria Dong Bic Rla Dong Bic Dong Bic 15A Dong Bic15A Tay Nam 15A Tiy Nam ISA Nam Tam Dio Ria Tay Nam Trong t o i n t h i m luc dja so bd da p h i t hiln khoing 110 bay phi cau tao cic loai ed tnen vpng dau Mot so g i i i phap cong nghe de m d rong tim kiem tham dau Chilu s&u ndc (m) 2.800 2.800 2.800 - 3.200 2.800 - 3.200 2.200 - 2.800 1400-1.700 3.400 - 4.400 2.000 - 2.800 200 - 2.400 2.200 - 2.400 3.200 - 3.700 1.600-2.000 3x3 4x9 4x6 3x8 6x8 2x10 5x8 5x5 2x8 2x8 6x8 4x35 " chin truyin v i o mdng bi p h i n xa hoac t i n xa tai cac diem b i t ddng nhat, tao n l n trudng sdng yeu va khdng co quy luat Do dd, mac dii d i sd dung cic cdng nghe thim dja chan p h i n xa h i l n dai 2D, 3D vdi cic phan mem xiiiy manh, ta v i n chua ed dii thdng tin d l xic djnh md hinh 3.1 Mat sd ton tgi cong tdc tim kiem thdm dd Cdng tac tim kilm tham dd va khai t h i c dau d them luc dja Vilt Nam van edn mdt sd tdn tai chua dupe g i i i quyit l i : Mdng nift n l l i mdi trudng khdng ed phan Idp ngang, khdng tao n l n cac mat p h i n xa ngang Sdng dja i^ 34 oia m • sd 12/2012 dja chat tang mdng rd r i n g va tin cay D i l u dd da giy kho khan cho cdng t i e tham dd v i khai thac d i u d6i tupng Tang tram tich D l tam l i mdi trudng phin Idprft tdt, tao bdc tranh sdng manh me, rd ring.Trln cdsdSo ta da nghiin ciiXi dUpc binh dd c i u tao, p h i t hien hang PETROVIETNAM Bdng Cdc bay phi cau tao tdp C beCilu Long Ten bay 14 C3 C4 C5 ' C6 C7 C8 C9 CIO CII CI CI C14 15 CIS [\+ ' 10 12 "1 16 CI Loai Vdt nhpn dja ting Vdt nhpn dja ting Dia tang Oia ting Thach hpc Dja tang Vdt nhon dja ting Ojating Thach hpc Thach hoc Vdt nhon dja ting Thach hpc Thach hpc Thach hoc Thach hoc Vdt nhon dia tang Vjtri Ria Ddng Bic RlaDongBic Ria Ddng Bic Tay Nam 15G BH15B Bicl5C RiaTiyBic Dong Bic ISA Ddng Nam 15B Odng Nam 15B Rla Ddng Nam NamBachHd Tiy Bach Hd Tay Nam Bach H6 RiaTiyBic Ria Tiy Nam Chieu sdu n6c (m) 1.400-1.600 1.500-1.600 2,200 - 2.300 2.500 - 2.700 3.000-3.100 3.100-3.200 1.800 2.500 3.300 3.300-3.400 1.600-2.000 2.200-3.000 3.900 - 4.000 3.000-3.800 3.400-3.800 1.700 - 2.500 Kichth i^ikm^} 2x12 2x12 3x4 x 10 2x3 4x7 10x10 2x4 2x4 3x4 5x40 9x10 6x7 9x9 7x15 x 35 Chieuday(m) 50 50 500 400 400-500 200 200 400 100-300 100-300 200 - 400 100-900 100-600 100 - 500 Bdng S Cdc bdy phi cdu tao mdng ndtnivd phong hda bi Cdu Long , Chieu sau n6c Kich thUdc TT Ten bay Loai itri , ,.5, (m) (km') I 1 Ml Dja tarig Khu vUc 15C 3.200 - 3.600 8x { I M2 _ _Dia"tang Khu vUc 15A _^ 3.200 - 4.600 15x2 Bdng Cdc bdy phi cdu tao dbiNam Cdn San TT " i 10 11 12 13 15 Ten bay 1)3-01 04-2-01 04-2-01 01-2-03 04-3-01 05-3-01 06-01 06-02 06-03 10-01 11-1-01 11-1-02 11-1-03 i_i22-qi 12-0-01 Chieu sau noc, day (m) 6.400 - 6.600 2.000-2 400 2.700- 2.800 ^.600-8.000 3.600^3.800^ '7.000^ 7.400 3.600 - 4.000 ~ Kich thi/dc (km 10x4 6x3 6x2 12x4 12x8 Chieu day (m) 100-250 100-400 Chieu day 400 400 _ 4.30^ 4.400 J.500-1.600 5.600 - 6.000 "2.400-3.200 1.400-1.800 3.200-3.400 2.600 - 2.800 400 800 400 200 200 loat ciu tao va bay chda dau dang he thdng bay dau dang phi ciu tao rat dupe t h i m dd va khai thic Tuy nhiln, phong phu va chung dupe phan bd rdng d i n t i l m ning dau ciia tram tich khap cac b l tram tich [3] D i n nay, De tam dupe d i n h g i i la han ehl, tang ddi tupng mdi 6iiac phat hiln dUdi chda mdng D i l u dd ed the giai thich la cdng tie tim kiem tham dd va khai thac mdi t i p trung chii y l u d cie cau tao vdm dang hinh t h i i , ehua dUpc nghien cdu chi t i l t de du bao sU tdn tai dau 3.2 Cdc gidi phdp cdng nghe nhu: Bach Hd, Rdng, Ruby, Rang Ddng, Ba Vl, Tam Dio, Gau Den tren eac ddi nang N h u d i p h i n tich, d cac b l tram tich eiia be Nhu da trinh bay d t r l n , Viet Nam cd hai ddi tUong cho tim kilm trim tich lue nguyen D l tam ton tai mdt tham dd chinh, mdi ddi tupng ed nhdng dac diem dja chat, dia vat ly rilng nen phai cd phuong phap va cdng nghe nghien cdu phil hpp Tren co sd do, t i e gia gidi thieu mpt sd phuong phap tham dd dja chan ed the ap dung cho tdng ddi tUpng de nang cao hieu qua cdng t i c tim kiem tham dd va khai thac d khu vUc Sd dung phuong p h i p Tomography dja chan de nghien cdu mdng ndt ne: Ten goi Tomography xuat p h i t td mpt ky thuat y hpc dung khio sit co the ngudi bing quang tuyIn X [6] Phuong phap Tomography dja chan md phdng ky thuat tren va 6\Jdc xiy dUng tren nguyin ly truyin sdng dja chan Idng dat Quan sit sdng truyin mdi trudng gida cie gieng khoan hoac gida gilng khoan v i mat dat, cd the sd dung cac sdng xuyen, sdng phan xa va sdng tan xa Thdi gian truyen sdnq !'''•' '-rn THAM DO - KHAI T H A C D A U KHI wave) p h i t t d mat dat/mat dbiMdLai-ThdChu Bdng Bdy phi cdu tgc TT l h ^ ; i [ 10 11 12 Ky hieu Vj tri (TuyIn) Vdt nhpn dja ting 45-1 Miocen h? Vdt nhpn dia ting 46-1 Oligocen VF 90-153 VF 90-123 VF 90-125 VF 90-139 VF 90-141 VF 90-153 VF 90-57 VF 90-81 VF 90-77 VF 90 75 VF 90-99 VF 90-20 VF 90-11 Loai b i y Kl i p dirt giy K&nh rach Vdt nhpn dia ting K^ip dirt giy K l i p dm gay 46-2 Oligocen 46-3 Miocen h? 46-4 Oligocen 50-1 51-2 Kl i p dut gay 51-1 Oia ting Kl i p dut gdy Vdt nhon dia ting 51-3 53-1 54-2 Kl ip mPng ning cao VF 90-11 b i l n , sd dung mdt ngu6n Ch) Ju siu ndc - d i y (m) Kfch thudc (km') 2.050-2.100 4x4 2.000 6x3 1,800 4.000 - 4,600 1.600 2.200 - 2.300 2,750 - 2,800 8x2 12x6 8x3 6x4 11X4 djnh trUdc n h i m dilu bi^n 2.100-2.300 10x5 ciia sdng d i l u biln D^ xic 2.100-2,300 1.450 -1.600 750 -1 900 1.800-2.000 1.600-1.800 16x6 6x4 16x2 14x5 12x5 di ddng (movable) nhUvdi ngudn rung t r l n d l t lien Ngudn t i n s6 t h i p dupc d i t tai nhdng vi tri d i xic cic ndt n l hd dudi siu thdng qua hiln tuong cic chu ky I p n l n - gian nd dinh VI tri v i phuong ke niJt ngudi ta dung ky thuit dd phi tuyIn cda d i nijit n l qua p h i n tich biln sdng v i cic hai (harmonia) cua sdng mang t i n sd cao q u i trinh chu ky nen I p v i g i i n ndcua sdngdi^ b i l n tan sd thap Ky thuat xic dinh fdng ciia da chda dUa tren vile tan sd tdng v i hieu duoc tao tuong tac cua tin hieu sdng dia chan chiing truyen di dong Hinh Mdt cdt Decrement hdp thu tuyin A cdt qua md Bgch Ho biCdu Long thdi d i chda bat ddng nhit Mdt hai b i l n t h i l n eiia van tdc dia phuong V(x, y, z) b i n g thuat tin h i i u l i dao ddng q u i t (vibratory sweep) thi/dng toan md hinh h o i chilu (3D} ta xac djnh duoe van tdc dimg ghi sdng dja chan; tan sd dupc quit tren dja phuong va cau true dja c h i t khdng gian giufa bang dia c h i n t d t h i p d i n cao hoac t d cao d i n thap tren eac gilng khoan Tomography dja chan thudng dung mdt chu ky k l o d i i k h o i n g n h i l u giiy Tin hieu thii hai de nghiin eiifu mdi trudng d i nift n l J u t h i noi bat cua la mdt tm hieu sinusoidal t i n s6 don (monofrequency) phuong p h i p l i trinh dupc cac sdng nhieu; hap thu cd cung chu ky nhU dao ddng q u i t C i hai tin hiiu dtfoc nang luong sdng eiia cic Idp phii ben tren va quan sit tao v i truyin di b i n g cich dimg nhCmg ngudn rung dupe sdng mdi trUdng khdng phan ldp hoac bj chuan td mdt co c i u (thilt bi) ngudn don hoat dpng nhif phin cat bdi cic dirt gay theo chilu thSng ddng Vdi cie mpt ngudn dOn d i t t r l n mat d i t die diem do, phuong phipTomography dia chin rat thich hop 6e nghiin cdu md hinh dja chat, xac djnh mdng nut ne hoac d i vdi ndt n l d cic be t r i m tich - Sd dung AVD dU b i o d i u cac bay phi cau tao t r i m tich De tam; Phuong phap AVD (Absorption & Velocity Dispersion) dua t r l n hieu dng hSp Ddi vdi ddi tuong tang chda khdng ddng nhat v i thu n i n g luong v i p h i n t i n v i n tdc sdng dia ehin khdng phan Idp nhU d i mdng granite ndt n l (nhu md mdi trudng chda c h i t luu Di thudng gia sd hap thu va Bach Hd) cd the sd dung phuong p h i p dia chin cho mdi bien t h i l n thuan cua tdc sdng dja chan theo tan so la trudng dan hdi phi tuyIn [7] Trong cdng n g h i n i y diing cic chi thi r i t co b i n de dU b i o sU tdn tai d i u ngudn sdng: mpt ngudn ed tan sd cao, gpi la sdng mang tang chda [4] Phuong p h i p n i y da dupe thd nghilm d (carrier w/aw/e) phat td Idng gieng, truyen xuyen qua khu be Cdu Long v i Nam Cdn Son va ed k i t q u i rat tdt, phin vuc ndt n l v i dUpc thu gilng thd hai; ngudn thd i n h d^u hieu tSng chda d i u tram tich Neogen hai cd tan sd t h i p , goi l i sdng dieu bien (modulation (Hinh 3) PtrKOVlElNAM Phuong phap AVO (Amplitude Variation with Tai lieu tham k h i o Offset) dua t r l n co sd nguyin ly thay ddi he so p h i n xa R va khiie xa T t i n g gdc tdi ciia sdng hoac t i n g khoing Trin Ngpc Cinh Ve dinh hudng cong tdc nghien each thu - r\6 dia chan [7] Cac he sd p h i n xa Rpp, Rps, cdu khoa hoc vd trien khai cong nghi cua Tong cong ty Dau Tpp,Tps cho sdng dpc PP va sdng trao ddi PS duac xac Viit Nam Jap chi D^u 2002; 6: p.5 dinh bdi mat dp v i quan he v i n toe sdng dpe P v i sdng Truong IWinh, Nguyin Quy Hung Dac diem phan ngang S moi mdi trudng Cie thdng sd n i y lai phu bo vd tiem ndng ddu ciia cdc be tram tich Kainozoi them thude vao cac tinh chat vat ly eiia mdi trudng nhU l i loai luc dia Viet Nam TuyIn tap Hdi nghi Khoa hoe Nganh nham thach va chat lUu nd.ThUc n g h i l m t r l n mdi Diu 20 nam xay dUng va tUong lai p h i t tnen, 1997: trudng bao h o i khi, cho thay he sd p h i n xa R v i ty sd p 79 - 91 Poisson s (the hien qua ty so v i n tdc sdng dpe v i sdng ngang Vp/Vs), bj suy g i i m manh qua ranh gidi khiV nUde Den nay, AVO dupe sd dung rdng rai t r l n t h i gidi de phit h i l n true t i l p cic via Cie phuong p h i p AVD v i AVO la cic cdng nghe xd ly sd iilu dja chin, cd t h i dupc sd dung ddc l i p d l du bio dau hoac khi, ddng thdi cd the sd dung phdi hop chung de p h i n biet via d i u va via rilng b i l t [3] Phuong phap djnh vj 6\a chan sudn (Side-View Seismic Locator-SVSL) v i dia chin eiia eac tam phat (Seismic Location of emission centers-SLEC) [8] Day la cdng nghe sd dung cie sdng sUdn va sdng t i n xa t d cac diem bat ddng nhat mdi trudng d i ndt ne Truong Minh Mdt so vdn de ve tim kiem thdm ddu md rdng d be CCid Long Tap chi Dau 2002; 4: p.2-8 Truong Minh v i nnk Tinh chdt hdp thu vd phdn tdn toe sdng dia chdn, cdc dng dung cOa chung tim kiem thdm dd ddu khid Viet Nam TuyIn tap Hdi nghj Khoa hpc cdng n g h i "Nginh Dau trudc them the ky 21".2000:p.100-111 Pham Hdng Que Dd mong be Cdu Long: Thdnh phan phdn bova bien doi - Moi lien quan den khd ndng chda ddu TuyIn tap Hdi nghj Khoa hoe cdng n g h i "Nganh Dau trudc them the ky 21" 2000: p 248 - 257 J.Kari Eliefsen-Sesimic tomography SEG 2001 3.3 De xudt hudng md rdng tim kiem thdm Cd cic gieng khoan xuyIn mdng la dieu kien can thilt 64 t h i l t ke de an i p dung Tomography dja chan nhim lam chinh xac hda cau trdc dja chat mdng trudc Oe tam Mdt he thdng ngudn va may thu sdng dja chin dat Idng gilng, t i n g mdng d i m b i o khio sit mpt cich chi t i l t sU phan bd cic ddi nut n l phong hoi, he John R Castagna and Mile M Backus Offset Dependent - Reflectivity Theory and practice of AVO analysis Investigations in Geophysics, SEG.Tulsa USA, 1997; 8: p - 36 Phan Trung D i l n va nnk Sdphdn bo vd ddnh gid trien vpng dau cua cdc thdnh tao dia chdt trddc Kainozoi them luc dia Viet Nam Bio cio D l tai KT 01.17 ChUOng trinh DK-TN KT.01 1995 thdng ddt gay va cae than d i u nd Kit qua khio sat se cung cap sd lieu de lam chinh xic md hinh dia chat d c i c vung md dau dang tham dd khai thic I Dd Bat va nnk Dinh danh vd lien kit dia tdng cdc be tram tich De tam them luc dia Viet Nam Bio cao 6e tai Nganh Dau 2001 Den t r l n 400.000km dia chin 2D va t r l n 34.000km'3D da dupe khao sat [12] cd the sd dung cho k l hoach tai xd ly b i n g p h i n m I m AVD v i AVO Cdng t i c xd ly cd t h i tien hanh tren cic bay phi cau tao de dU bao true 10 Tran NgocTo&n.Sddung sdng dia chdn nghien cdu moi tnrdng ddn hoi phi tuyen Dja cau 18/5/2012: p.l -19 n Chinking Igor, Rizanov Eugene, Dodonova tiep d i u hieu dau Kit qua xd ly va minh giii cho phep anastasiya Side-View seismic Locdto (SVSi) and seismic lua chpn cic bay ed t r i l n vpng nhat de md rdng khu vuc location of emission center (SLEC) Hdi thao Chi hdi Dja v i t tim kilm tham dd mdi cho cae be tram tich Viet Nam ly Dau Ha Npi 10/2012 Tdm lai, cae be tram tich eiia Viet Nam ed cau true dia 12 Ban Tim kiem Tham dd Dau khi, Tip doan Dau chat rat phdc tap, tiem ning dau ehUa duoe xic djnh Viet Nam Hoat dong thdm khai thdc dau ngodi khdi chinh xac, ddi hdi p h i i t i l p tuc nghien cdu, dng dung Viet Nam vd sd co phun trdo ddu Hdi t h i o "Phdi hpp cdng nghe mdi tien t i l n nham khai thac tdi da thdng tin dng phd sued t r i n dau hoat ddng khai thac dau dja chat hiln cd phye vu cdng t i e md rdng khu vUe tim vung bien ngoai khoi Vilt Nam" M.T NOI, IS/11/2012 kilm t h i m dd, gia tang trd lupng dau ciia dat nude ... RIa Odng Bic RIa Ddng Nam Rla Odng Nam Trung tim bdn trung Rla Nam Rla Nam Rla Nam Odng Nam B^ch Hd Ria Nam Rla Nam Rla Nam Tiy Bic Bach H6 Tiy Nam Bach H6 Nam Rdng Ria Tiy Nam Tiy Bic Bach Hd... Nam Rdng Ria Tiy Nam Tiy Bic Bach Hd Khu vt/c Rdng Ria Tiy Nam Rdng Odng Nam Tam Dio Rla Tiy Nam Ria Tiy Nam Ria Tiy Nam Nam Tam Dio Tay Nam Tam Dio Phia Tiy Loai Hdn hpp Thach hoc Thach hoc Hdn... RlaDongBic Ria Ddng Bic Tay Nam 15G BH15B Bicl5C RiaTiyBic Dong Bic ISA Ddng Nam 15B Odng Nam 15B Rla Ddng Nam NamBachHd Tiy Bach Hd Tay Nam Bach H6 RiaTiyBic Ria Tiy Nam Chieu sdu n6c (m) 1.400-1.600