Hoi nghj KHCN 2000 "Nganh Dau khi Viet Nam trifdc them theky 21'''' NGHIEN CLTU HLTONG VAN OONG COA DAU M 6 BACH HO DlJA TREN QUY LUAT PHAN Dl TRONG LtJC CUA CAC VI NGUYEN TO TRONG DAU PHUC VU KHAI THAC[.]
Trang 1NGHIEN CLTU HLTONG VAN OONG COA DAU M 6 BACH HO DlJA TREN QUY LUAT
PHAN Dl TRONG LtJC CUA CAC VI NGUYEN TO TRONG DAU PHUC VU KHAI T H A C
KS Le Manh Quyet
TTNC&PTCB Dau khi
TOM TAT
Viec nghien ciru hudng van dgng ciia dau mo trong mot md dau ddng vai tro quan trgng trong ke hoach khai thac nhu thiet ke gieng khoan, dinh vi gieng khoan dac biet la qua trinh bam ep nude dedua dau len
Bai bao gidi thieu phuang phap nghien cuu va ket qua thuc nghiem a mo Bach Ho, bao gom cac phan sau:
1 Ly thuyet ve su cd mat cac vi nguyen to hoa hoc trong dau, md hinh ve nguyen ly phan di trgng luc ciia cac vi nguyen td trong dau mo va hudng van dgng cua chung
2 Ap dung phuang phap tren de nghien ciru cho mo Bach Ho
Chung toi da phan tich cac vi nguyen to cd mat trong dau mo Bach Ho va dua tren ket qua do, ap dung quy luat phan dl trgng luc ciia cac vi nguyen to vdi muc dich xac dinh hudng chuyen dgng ngang, hudng chuyen dgng thing dirng cua dau mo trong cac gieng khoan mo Bach Ho
3 Phan thao tuan
Sau khi xac dinh hudng chuyen dgng cua dau mo bang phuang phap tren, chung tdi da so sanh vdi ket qua cua cac phuang phap khae da dugc thuc hien a mo Bach Ho thay rang phuang phap "vi nguyen to" uu viet han cac phuang phap khae, nd cho phep chung ta nghien cUu viing rdng han, va it bi anh huang ciia cac yeu to, dieu kien trong Idng dat, do do nO co do chinh xac cao, dac biet phuang phap nay cd the nghien cuu dugc su thdng nhau ciia
da tang mdng va do tap trung ciia dau mo vao mot viing nhat dinh nao do Ket qua nghien c&u da dugc ap dung de khai thac dau a XNLD Vietsovpetro
LY THUYET V£ SL/ CO MAT CAC NGUYEN TO HOA HOC TRONG DAU VA MO HJNH HOA NGUYEN LY P H A N Dl TRONG LlJC CUA CAC NGUYEN TO OE XAC OjNH HLTONG CHUYEN O Q N G COACHUNG
1 Su" ton tai cac nguyen to hoa hoc trong dau mo
Dau md khi hinh thanh da cd san cac nguyen td hoa hpc vi cac hgp chat hti'u ca nhu sinh vat la ngudn gdc ciia dau md cung mang trong minh cac vi nguyen td hoa hpc Ttr khi hinh thanh den khi tieh tu thanh md, dau phai trai qua nhieu bien ddng phirc tap ciia thdi gian, nhiet dp, ap suat va nhieu dieu kien hoa hpc trong Idng dat
Dau md phai di djch qua nhieu cau tao dja chat khae nhau va keo theo mdt sd nguyen td ttr ben ngoai vao Trong qua trinh khai thae, dau md tiep xuc vdi nhieu vat chat khae nhau do con ngudi tao ra nhu: btin khoan, nude, xi mang, dung cu khoan tham dd, v.v lai mdt lan nt/a dau md bj cae nguyen td ciia cae vat chat dd xam nhap vao
Qua qua trinh nghien ciru, cac nha khoa hpc da kham pha ra khoang 80 nguyen td hoa hpc khae nhau cd mat trong dau md Rieng dau md Bach Hd d Viet Nam, Vien Gupkin da phat hien 72 nguyen td hoa
Trang 2Hoi nghj KHCN 2000 "Nganh Dau khi Viet Nam trifdc them theky 21'
hoc, ham lugng cac nguyen td nay ttr ed miligam dd'n hang tram miligam trong lOOg dau md Neu ddt chay dau md ma da tach tap chat ea hpc va nude thi eae nguyen td hoa hpc ton tai dudi dang tro, chiem ty le ttr 0,0001 den 0,03% Tat nhien dau md d mdi vting khae nhau cd ham lugng tro khae nhau Phan chii yeu cua tro dau gdm cae oxyt ciia Fe, V, Ni va cac kim loai khae nhu Al, Si, Ca, Mg, Na, K, Mn, Cu, Co, Sn, Pb, Zn,
Ti, Cr, Se, Ga, Ge, Sr, Zr, Br, Ru, Pd, Ag, Cd, In, Te, Cs, Ba, La, W, Pt, Bi, Hg, As, U, Th, Ta, Li, B, Be, v.v Ngudi ta phat hien ra rang trong mdi trudng khd, vat lieu huu ea ed lugng porfirin rat phong phu, trong
dd porfirin vanadi ludn chiem uu the hdn so vdi eae porfirin khae nhu Ni Trong mdi trudng oxy hoa, xay ra qua trinh nguge lai Khi nghien eiru be tram tieh d My, Lien Xd, Angieri ngudi ta thay rang trong via dau vat lieu hiiru ea cd ngudn gdc luc dia, ty sd pristan/phytan tang, ham lugng cac kim loai tang nhu Fe, Ni, Mn, Cu cdn V ddng vai trd phu Trong mdi trudng khir ty sd pristan/phytan (VA/"*, S/N) giam va ham lugng cac kim loai giam nhu: Ni, Fe, Mn, Cu, Cr, Ti
Nhieu cdng trinh nghien curu da chirng minh rang qua trinh sinh dau ttr mirc dp trudng thanh thap den mirc dp trudng thanh cao se sinh ra cac san pham hydroeaebon tuang dng, dd la qua trinh be g l y cac cau true phirc tap ciia vat lieu ht/u cd Oe chuyen hoa cac dang khae nhau ciia hydroeaebon, vat lieu hti'u ca phai trai qua nhieu pha trudng thanh khae nhau, gdm ba giai doan: tao da, nhiet xiic tac va bie'n chat Cng vdi mdi giai doan, vat lieu huu ca sinh ra cac san pham khae nhau dan den ham lugng eae nguyen td hoa hpc khae nhau Cac nguyen td 0, N, S va cae nguyen td kim loai ed nhieu trong cac thanh phan nhua va asphalten, trong qua trinh chuyen hoa ciia vat lieu hti'u ca ttr mire dp thap tdi mire dp eao, sinh ra su mat dan cac hgp chat nhua va asphalten lam cho ham lugng cac nguyen td hoa hpc giam dan 6 mire dp bien chat thap ham lugng cac vi nguyen td tang len
Qua trinh di cu cua dau md cung anh hudng den ham lugng cac nguyen td hoa hpc, di cu cang xa cac kim loai nhe va cd tinh tra cao se di chuyen nhanh va xa cting phan nhe mach thing ciia dau md Trong pham vi cua mdt md dau, viec khai thac dau tao nen mdt su van ddng nhanh han nhieu so vdi
di cu ty nhien eua dau md, dd la dieu kien thuan lgi cho su phan bd lai thanh phan hydroeaebon ddng thdi keo theo su phan bd lai cac nguyen td hoa hpc, su phan bd nay tuan theo quy luat phan dj trpng luc, cac nguyen td cd trpng lugng nguyen tir nhe van ddng nhanh hen cac nguyen td cd trpng lugng nguyen tir nang han
2 Mo hinh ve nguyen ly phan dj trong life cua cac nguyen to trong dau mo va hi/dng van dong ciia chung
a Hien tugng dau mo d nai khae van dong den
Oe nghien ciru sy khae biet giua dau cu va dau mdi (dau ndi khae van ddng tdi), trong pham vi ciia mdt gie'ng khoan khai thac, ta xet theo md hinh tudng ty eiia sac ky cdt (Hinh 1) Hien tugng van ddng ciia dau trong Idng dat gidng nhu hien tugng dau chuyen ddng trong cdt sac ky Idng, d day da chira ddng vai trd chat hap phu, dudi tac ddng ciia nhiet dp, ap suat, dau md van ddng theo mdt hudng nhat djnh Odi vdi cpt sac ky, mdi mau dau khi di qua cdt se thyc hien mpt chu ky, khi ed mdt mau dau khae dua vao nd lai thyc hien mdt chu ky mdi tiep tl^eo Dau md chuyen dpng trong Idng dat, tha'm qua eae Idp da tham va da chura cung tuan thii theo nguyen tae nhu dau chuyen ddng trong cdt sac ky Qua phan tich va tdng hgp, neu xuat hien mdt chu ky khae tiep theo eiia cae nguyen td tire la ed sy van ddng eiia dau nai khae tdi gie'ng khoan
dd Tat nhien sy khae biet giua mdi trudng trong Idng dat va mdi trudng hap phu trong cdt sac ky la khae nhau, bdi vay can phai cd nhieu sd lieu trong mdt thdi gian nhat djnh va tinh theo xac suat thdng ke cho tung nguyen td hoa hpc va cho toan bd cae nguyen td eho nhieu lan phan tich khae nhau trong mdt thdi gian nhat djnh
b Mo hinh hoa hudng chuyen dgng cua dau mo theo chieu ngang
Trang 3Theo md hinh ve nguyen ly phan dj trpng luc cua cac nguyen td hoa hpc trong dau md khai thac, dau
md di qua cac Idp da tham bj hap phu vao cac Id rdng, khe nirt ne eua da 6 day, da tham ddng vai trd chat hap phu, tat nhien mdi trudng hap phu d day khdng ddng nhat va ed cau triic phirc tap ve cae kich thudc Id rdng, khe ndt rat khae nhau Dudi tac dung ciia nhiet dp, ap suat trong than md, dau md chuyen djch trong mdi trudng hap phu se duge dua len mat dat theo nguyen tac phan dj trpng lye, cae phan nhe di trudc, eae phan nang han di sau Odi vdi cac nguyen td hoa hpc se xay ra theo nguyen ly phan dj trpng lye nhu sau:
• Cac nguyen td cdng sinh (dang ea kim) se chuyen ddng cung dau md len mat dat
• Cae nguyen td hoa hpc dang ty do se bj chi phdi theo nguyen tac phan di trpng lye, dudi tac ddng ciia
ap suat trong qua trinh khai thae, nguyen td cd trpng lugng nguyen tir thap se chuyen ddng trudc, cae nguyen td cd trpng lugng nguyen tir cao han se chuyen dpng sau
• Trong qua trinh khai thae, viec tae ddng vao ddng dau chuyen ddng se gia tang manh han so vdi qua trinh ty nhien, dudi tae ddng eiia ap suat Idn, nhiet dp eao, mdt sd nguyen td hoa hpc se bj birt ra khdi cau true phan tir trd thanh ion ty do va chuyen ddng theo hudng ddng dau khai thac
Md hinh (Hinh 2): Gia thiet cae nguyen td hoa hpc cd sy sap xep ty nhd den Idn theo nguyen tir lugng nhu A, B, C, D, E, F, G, H, I, K, L, M, N, 0, neu ta khoan khai thac d hai dja diem khae nhau, dja diem 1 va dja diem 2, theo nguyen ly phan dj trpng lye eiia cac nguyen td hoa hpc thi nguyen td A cd nguyen tir lugng nhd nhat se di trudc nguyen td B cd nguyen tir lugng Idn hdn A va cir tiep tuc nhu vay den C va den nguyen
td N va eudi cting la 0 Trong qua trinh phan tieh va xir ly sd lieu, mudn biet nguyen td A den sdm han nguyen td B ta can phai xem xet sa dd Hinh 2, ta se thay ed hai diem khoan bat ky: diem 1 va diem 2 Diem
1 vao luc ndng dp ciia A la 1, diem 2 vao luc ndng dp eiia nguyen td A eao nhat la 7 va nhan xet thay nguyen td A tang tU diem 1 den diem 2 Sau khi xem xet sy sap xep ciia tat ca cac nguyen td hoa hpc ta se
cd bang ket qua (Bang 1) sau:
Bang 1 Sy bien ddi cac ham lugng cac nguyen td hoa hpc giua hai diem khoan
Nguyen to
A
8
C
D
.E
G
H
Nong do nguyen total gieng khai thac 1
1
2
3
4
5
6
7
Nong do nguyen to tai gieng khai thac 2
7
6
5
4
3
2
1
Bien doi
Tang Tang Tang Bang Giam Giam Giam
Theo Bang 1 thi cac nguyen td tU A den C, ham lugng tang td diem khoan 1 den diem khoan 2, va bat dau tU nguyen td E den H cd ham lugng giam dan td diem khoan 1 den diem khoan 2 Trong qua trinh bie'n ddi ham lugng eiia cae nguyen td hoa hpc ty tang sau dd giam, cd thdi diem can bang (nhu nguyen td D) Vay dya vao qua trinh tang va giam ciia cac nguyen td ta cd the xac djnh duge hudng chuyen dpng ciia chiing tu ndi nay tdi nai khae Dya tren quy luat phan dj trpng lye nhu dugc md ta qua md hinh hoa, dd la dieu kien ly tudng, khi chat hap phu la ddng nhat va ed dp mao din hoan toan nhu nhau Trong thyc te, mdi trudng hap phu d md khai thac la than da chua dau lai khdng hoan toan ddng nhat vi nd cd cau tao ve dja
Trang 4Hoi nghj KHCN 2000 "Nganh Dau khi Viet Nam trifdc them theky 21'
chat rat phirc tap, tren dudng di ciia dau md ed nhieu tae ddng eua mdi trudng va cac dieu kien cu the ciia vung nghien cuu, bdi vay phai dya tren tinh thdng ke ciia rat nhieu cac ket qua phan tich trong thai gian dai mdi ed the ket luan mpt each tuang ddi ciia quy luat
A P DUNG QUY LUAT PHAN Dj TRONG LL/C CUA CAC NGUYEN TO HOA HOC TRONG DAU OE XAC DINH HLTONG CHUYEN D O N G CUA OAU MO BACH HO
Trong nghien ciru nay, 44 gieng khoan md Baeh Ho da duge lay m i u de phan tich va lay mau d 4 thdi diem khae nhau trong cac nam 1997 -1998
Cae gie'ng khoan lay mau: 90, 110, 80,102, 67, 66, 60, 811, 809, 803, 801, 902, 918, 903, 910, 904,
901, 412, 407, 445, 450, 1102, 404, 411, 401, 413, 406, 403, 408, 426, 420, 2, 417, 456, 442, 422, 402, 462,436,431,437,423,415,419
Cac nguyen td hoa hpc duge phan tieh trong dau md Bach Hd: Li, B, N, Na, Mg, Al, S, K, Ca, Ti, V,
Cr, Mn, Fe, Co, Ni, Cu, Zn, Br, Sr, Mo, Ag, Cd, Sn, Te, Cs, Ba, Pb
6 day Li la nguyen td nhe nhat va nang nhat la nguyen td Pb Mdi dgt phan tich la 28 chi tieu cac nguyen td hoa hpc d 44 gie'ng Tdng sd 1232 chi tieu phan tieh, ti'nh ea 4 dgt lay mau la 4928 chi tieu Cac nguyen td ehii yeu dugc phan tich tren may hap thu nguyen tir, ket qua ehinh xac (do khudn khd eua bai bao nen khdng dua ket qua phan tieh)
1 Ket qua xac djnh hi/dng chuyen dong theo chieu ngang cua dau mo trong than dau mong
Oe xac djnh hudng chuyen ddng theo chieu ngang ciia dau md mdt each tdng hgp, can phai nghien eiru ehi tiet tung cap gieng, cae cap gieng nay can phai dugc chpn Ipe qua thir nghiem va hudng uu tien eua chiing Toan bd cau tao dja chat eiia than dau mdng, do hoat ddng kien tao, than da mdng bj phong hoa, nirt ne, bam vam ed cac vet nirt tU nhd den Idn Cac dirt gay chinh va Idn hudng theo phia dpc theo than mdng Odng Bae - Tay Nam Neu xet ve sy chuyen ddng ciia chat Idng, thi cae khe nirt Idn chiem uu tien han cac dirt gay nhd Vi vay hudng Ddng Bae - Tay Nam dugc xet uu tien han Xet theo phuang dien md hinh hoa nguyen ly phan dj trpng lye cua cac nguyen td hoa hoc, ket hgp vdi viec xet hudng uu tien dpc theo eae vet nirt ciia than da mdng va qua xir ly cac ket qua phan tich, da thiet lap bang ma hoa cac ket qua phan tieh theo sa dd md hinh hoa nhu Bang 2 Td Bang 2 xac djnh chi tiet dugc hudng chuyen ddng ciia cac gieng khoan nhu sau:
Ty vting gie'ng 80 den 90, 67 den 811,102 den 66, 809 den 811, 803 den 918, 918 den 910, 920 den
901, 407 den 411, 450 den 413, 903 den 904, 904 den 412, 401 den 413, 404 den 406, 406 den 408, 417 den 420,422 den 2, 419 de'n''415, 437 den 431, 442 den 420, 423 den 402
Ty viec xac djnh chi tiet sy chuyen ddng ciia dau md trong cae vting gie'ng, ta ed the thie't lap hudng chuyen ddng tdng hgp eiia ea viing Bach Hd (Hinh 3) Sau khi xem xet quy luat phan dj dya tren bang ma hoa (Bang 2) va dya tren tinh xac suat thdng ke eiia quy luat phan dj eiia gan 5.000 chi tieu phan tich ciia
28 nguyen td, da d i n den viec xac dinh hudng chuyen ddng eua dau theo chieu ngang theo sa dd Hinh 3 Theo sa dd nay hudng chuyen ddng tdng quat cd xu the uu tien han ciia dau md Bach Hd la tU Ddng Bae xudng Tay Nam va can Tay Nam Hudng chuyen ddng nguae lai tu Tay Nam hudng vao Trung tam sudn phia Tay ciia cau tao dau md cd hudng chuyen ddng td Tay Nam len Odng Bae
2 Ket qua hi/dng chuyen dong theo chieu thing dijfng cua dau mo cac gieng khoan
0 day tat ca cac gieng khoan da dugc thiet lap bieu dd phd sac ky phan dj ciia tat ea eae nguyen td hoa hpc trong dau md Theo nhu ly thuyet ve phd sac ky (Hinh 1) ta cd the phan biet duge cae chu ky khae nhau cua sy phan dj de khang dinh dau cua tdng gie'ng khoan la do van ddng tu nai khae tdi hay dau tai
Trang 5Bang 2 Bang thdng ke sy phan di tang giam eiia eae nguyen td ciia eae cap gie'ng khoan
cap GK
8 0 - 9 0
67-811
102 - 66
801 - 809
803-918
910-918
902 - 901
407-411
450-413
904 - 903
Deft
1
2
3
4
1
2
4
I
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
Li
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Na
+ + + -+ + -+ + + + + + + + + + -+ + + + + + -+
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Al
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m
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Trang 6Hoi nghj KHCN 2000 "Nganh Dau khi Viet Nam trifdc them theky 21'
Bang 2 (tiep theo)
1 Cap GK
904 - 412
403 - 401
406-404
406-408
420-417
4 2 2 - 2
419-415
437-431
442 - 420
423 - 402
Dot
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
4
1
2
3
1
2
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1
2
3
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4
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Trang 8«v-Hoi nghj KHCN 2000 "Nganh Dau khi Viet Nam trifdc them theky 21'
N6ng d6 fppm)
1.0 1
TG liy mau T5-1998
Hinh 4 Phd' sac ky phan di eua cac nguyen td Li, Al, Cr, Mn, Fe, Co, Cu, Zn, Sr, Mo, Cd, Cs, Ba, Pb
eua gie'ng khoan 801
N6ng dp (ppm)
20.0
16.0
12.0 •;
TG liy miu
Hinh 4 Phd sac ky phan di eua cac nguyen td Li, Al, Cr, Mn, Fe, Co, Cu, Zn, Sr, Mo, Cd, Cs, Ba, Pb
cua gie'ng khoan 415
Trang 9ehd Qua cae bieu dd phd' sac ky phan di cua cae nguyen td hoa hpc, ta cd the ndi cac gie'ng sau day deu ed sir van ddng cua dau td nai khae tdi hay ndi each khae dau mo d cac gieng nay ed chieu van ddng theo chieu thang ddng: 90, 110, 80, 102, 66, 60, 811, 809, 801, 803, 918, 902, 910, 901, 904, 412, 407, 1102,
450, 404, 411, 401, 406, 413, 403, 408, 426, 420, 2, 417, 456, 442, 402, 452, 431, 423, 415, 419
Tdng sd gdm 39 gie'ng nghien cdu cd dau nai khae van ddng tdi theo tirng dot ke tiep nhau, Tinh chat van ddng eua dau d day khae nhau ve tdc dp van chuyen, khdi luang van chuyen va chu ky phan di Tren ca
sd cua chu ky phan di chung ta ed the chia thanh hai vung khae nhau eua md Bach Hd: vdm Bae va vdm Trung tam 0 vdm Bae sir van ddng cua dau kha gidng nhau, chung deu the hien mdt chu ky phan di (nhu gie'ng 801, Hinh 4) Trong thdi gian nghien cdu thang 1/1997 den thang 5/1998, viec the hien mdt chu ky phan di d vdm Bae cho thay sir van ddng cua dau d day cham han so vdi vdm Trung tam, rat cd the cau true dia chat d vdm Bae phuc tap, bj ngan each nhieu, anh hudng den ddng chay eua dau, sir li/u thdng cua chat Idng bj han che, va cung ed the do ngudn cung cap cd tiem nang nhd nen chung phai huy ddng dau tai ehd keo dai chu ky phan di 6 vdm Trung tam phan Idn cae gieng khoan khai thae cd si/ phan di Idn han mdt chu
ky (nhu gie'ng 415, Hinh 5), ngirac lai d vdm Bae, su van ddng cua dau md d day manh han ve toe dp va khd'i lirang nen chu ky phan dj Idn han d vdm Bae, rat ed the d day cau true dja chat ddng deu han, dp thdng nhau trong da chda Idn han, hoae ngudn cung cap d day ed tiem nang Idn, ehinh vi vay hieu suat khai thae d vdm Trung tam Idn hdn nhieu so vdi vdm Bae cua cau tao
THAO LUAN
Viec nghien eCru hirdng van ddng cua dau mo dira tren quy luat phan dj trpng lire cua cae nguyen td hoa hpc eua than dau mdng Bach Hd da dua ra hai ket qua nghien cdu:
1 Thd nhat la ket qua nghien cdu hudng van ddng eua dau md Bach Hd theo phuang thang dung, dua tren sd chu ky phan dj cua cae nguyen td hoa hpc trong dau, mdi chu ky phan dj dae trung eho mdt loai dau ed diem xuat phat khae nhau, trong thdi gian nghien cuu, sd chu ky phan di cang nhieu thi cang nhieu loai dau tU d nai khae nhau chuyen ddng tdi, thdi gian cua mdt chu ky cang ngan sdc huy ddng dau cang manh ea ve tdc dp va luu lupng van chuyen Qua nghien cuu cae sa dd phan dj sac ky chung
ta thay hau het cae gieng khai thac d eau tao Baeh Hd deu cd dau tu nai khae van ddng tdi, tinh chat van ddng cua dau vdm Sac cham han d vdm Trung tam vi phan Idn eae gie'ng d vdm Bae ed mdt ehu ky phan di, edn d vdm Trung tam da sd cd han mdt ehu ky phan dj Ket qua nghien cdu nay phu hap vdi tru luang khai thac cua tdng vung Viing Trung tam ed khd'i lUdng khai thac Idn hdn viing Bae rat nhieu
2 Thir hai la ket qua xac djnh hudng van ddng cua dau mo Bach Hd theo phuang nam ngang, can cd vao quy luat phan dj trpng luc eiJa eae nguyen td hoa hpc, tue la do su sap xep theo nguyen tCr luang cua cae nguyen td hoa hpc chiing ta ed the xac djnh dupe phuang chuyen ddng nam ngang eiia dau chuyen ddng td phia nguyen td nang nhat den phi'a nguyen td nhe nhat TU dd cd the xac djnh dupe hudng chuyen ddng cua dau md Bach Hd ehu yeu theo phuang Odng Bae - Tay Nam, phia can Tay Nam dau
mo ehuye'n ddng tU phia Tay Nam vao Trung tam, phia Tay eiia cau tao dau mo chuyen ddng tU phia Tay Nam len Odng Bae
Oe so sanh phuang phap nghien cuu nay vai phuang phap theo ddi chat ehi' thj mau ma XNLD da thir nghiem d viing mo Bach Hd, cac chuyen gia NIPI da xac dinh dupe dau ehuye'n ddng tir gie'ng 804 den gieng 802 (hudng Odng Bae - Tay Nam ciia cau tao) Trong khi thir nghiem eae chuyen gia da dua chat chi thj mau vao gieng 421 va 804 nhung khdng theo ddi dupe, cac chuyen gia eho rang trang thai lam viee ciia cac gieng khai thac khdng dn djnh, va do nhiet dp eao lupng nude bam ep Idn gay nen su mat tac dung ciia chat ehi thj Khi dua chat chi thj vao gieng 804 hp da nhan dupe ket qua phan tieh chat ehi thj mau d gieng
802, va khdng phat hien dupe d cac gie'ng phia Bae nhu 60, 810, 811, 91 va cac gie'ng phia Tay nhu 809,
Trang 10Hoi nghi KHCN 2000 "Nganh Dau khi Viet Nam trUdc them theky 21'
801 va 803 Mae dii ndng dp chat ehi thj da tang len rat cao tdi 400ppm vuat qua tieu chuan lOOppm Vay
su chuyen ddng eiia dau md tU gie'ng 804 den 802 la phu hop vdi ket qua chung cua phuang phap "vi nguyen td" ma chiing tdi nghien cuu d tren Phuang phap theo ddi chat chi thj mau bi han che rat nhieu, chi
cd tac dung d viing cd dien tieh rat hep, khdng eho phep quan sat tren binh<tien toan md nhu tren da neu vi chat chi thj mau bj phan tan rat Idn khi ed lupng nude bam Idn va bj phan huy do nhiet dp eao va ap suat eao Va lai phudng phap xac djnh hudng chuyen ddng eiia dau md dua tren quy luat phan dj trpng lueciia cac nguyen td hoa hpc cho ket qua rat kha quan, khdng bj anh hudng cua cac yeu td nhiet dp, ap suat va lupng nude bam ep Nd cd the nghien cdu tren toan viing rdng kJn eua cau tao mo
TAI LIEU THAM KHAO
1 Oemuskin U.I., Truang Cdng Tai So sanh va chinh xac hoa sado cong nghe phan tich va xay dung mo
Bach Ho me
2 Gontrarov I.V Dia hoa dau mdS/t}/ri, 1987
3 Hoang Oinh Tien Phan tich va tong hgp so lieu nham tim ra qui luat thuy dia chat, dia hoa, dia nhiet
theo so lieu dau - khi - nude - mau loi - lat mong cua mo Bach Ho, 1990
4 Hoang Oinh Tien Danh gia tinh chat hoa ly cua dau, khi va tinh chat quang hoc trong qua trinh bam ep
nude cua mo Bach Ho, 1995
5 Hoang Oinh Tien Ket qua nghien ciru hudng chuyen dong cda nude bam ep trong cac gieng khai thac, 1997
6 Katrenkov S.M Spectral analysis of mineral rock
7 Lehmen Atomic absorption determJnatidn of metals in crude oil
8 Le Manh Quyet Phap tich cac vi nguyen to trong dau mo Viet Nam Nhiem vu Tdng cdng ty Dau khi
Viet Nam, 1996-1997 - >
9 Pham Duy Long Nguon §6c va dieu kien hinh thanh dirt gay va khe nirt trong da mdng granit cua mo
BachH6vaR6ng,-1d%
10 Pye Unlearn Ltd., Atomic adsorption data book
11 Paul Pilp R., Petroleum geochemistry for exploration geologists and geochemists
12 Samedova-F.I., Kuliyev A.D., Guseinova B.A., Aliyeva F.Z., Guseino A.B., Gamrayeva Sh.G.,
Microelemental composition of crude oils and accompanying water from the Nizhnekurinsk region of the South Caspian basin
13 Tran Le Dong, Pham Tat Dae Metamorphism process of macmatic basement rocks of Bach Ho and
Rong oil fields Petrovietnam Review, N03,1996